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January 2017
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Volume 42 Number 1
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A Peer-Reviewed Journal for Managed Care
and Formulary Management Decision-Makers
PERSPECTIVE
Branko Fursts Radical Alternative
Is the Heart Moved by the Blood, Rather Than Vice Versa?
W. Alexander DRUG FORECAST
Zarxio (Filgrastim-sndz):
The First Biosimilar Approved by the FDA
M. Awad, PharmD Candidate; P. Singh, PharmD Candidate;
and O. Hilas, PharmD, MPH
MEETING HIGHLIGHTS
Society for Immunotherapy of Cancer
And
American Heart Association
W. Alexander
Are you a formulary
decision maker?
Ask us
about LUCENTIS healthcare
economic information
Contact your Genentech Account Manager to learn more
Burke A. Cunha, MD Burton Orland, BS, RPh F. Randy Vogenberg, RPh, PhD
Professor of Medicine President Partner
State University of New York at Stony Brook BioCaRe Consultants Access Market Intelligence and National
Chief, Infectious Disease Division Westport, Connecticut Institute of Collaborative Healthcare
Winthrop-University Hospital Greenville, South Carolina
Mineola, New York
Fred Joseph Pane, RPh, BS, FASHP, FABC
Joseph C. English III, MD Senior Director, Customer Engagement Scott W. Yates, MD, MBA, MS
Professor of Dermatology The Medicines Company Center for Executive Medicine
Clinical Vice Chairman Parsippany, New Jersey Plano, Texas
for Quality and Innovation
Founding Director of Teledermatology Lawrence Charles Parish, MD
University of Pittsburgh Dermatologist, Editor-in-Chief
Department of Dermatology Clinics in Dermatology
Pittsburgh, Pennsylvania Philadelphia, Pennsylvania
Unresolved Disrespectful
Behavior in Health Care
Practitioners Speak Up (Again)Part 1
Matthew Grissinger, RPh, FASCP
Mr. Grissinger, an editorial manager/director/administrator level behaviors were among the most frequent
board member of P&T, is were also represented (25%). Most they had encountered during the past
Director of Error Reporting respondents had more than 10 years of year. Furthermore, one of these behav-
Programs at the Institute for experience (70%) and were female (87%). iorsphysical abuseincreased from
Safe Medication Practices 4% to 7%, regardless of the source, and
(ISMP) in Horsham, Penn- Practitioners Feel the Sting from 5% to 8% when the source was a
sylvania (www.ismp.org). Regardless of the source of disrespectful physician. While respondents suggested
behavior (physicians or others), respon- that some forms of disrespectful behavior
The Institute for Safe Medication dents in 2013 reported a wide variety of have lessened in the last decade, par-
Practices (ISMP) has discussed the topic behaviors encountered during the past ticularly impatience with questions or
of bullying, incivility, intimidation, and year. When ranked by frequency of the use of condescending language and
other forms of disrespectful behavior that occurrence, the behaviors most often insults, many disrespectful behaviors con-
have run rampant in health care in past encountered included: tinue to occur at an alarming frequency,
P&T columns, while many remain silent demonstrating little improvement.
or make excuses in an attempt to minimize Negative comments about
the profound devastation that disrespectful colleagues or leaders (encountered Not Just Physicians
behavior has caused. Many years ago, by 73% at least once, by 20% often) In both 2003 and 2013, respondents
ISMP conducted a national survey regard- Reluctance or refusal to answer ques- reported that physicians and other pre-
ing intimidation in the workplace.1 Results tions or return calls (77% at least scribers engaged in disrespectful behav-
showed that disrespectful behaviors were once, 13% often) ior more often than other health care pro-
not isolated events, they were not limited to Condescending language or demean- fessionals. However, respondents in 2003
just a few practitioners, they involved both ing comments or insults (68% at least and 2013 also made it clear that its not just
lateral (peer-to-peer) and interdisciplinary once, 15% often) physicians who behave in a disrespect-
staff (and not just physicians), and they Impatience with questions or hanging ful mannerin many cases, encounters
involved both genders equally. We up the phone (69% at least once, 10% have been nearly as frequent, or some-
followed up in 2013 with a similar survey often) times more frequent, with other health
to measure progress (or lack thereof). Reluctance to follow safety practices care professionals. For example, in both
Sadly, based on recent observations and or work collaboratively (66% at least 2003 and 2013, a little more than 40% of
interactions with health care practitio- once, 13% often) respondents reported that both physicians
ners along with the results of this survey, and other health care professionals had
disrespectful behaviors continue to erode The least frequent disrespectful behav- reported (or threatened to report) them
professional communication, which is iors encountered at least once during the to their manager during the past year. To
essential to patient safety. past year included: cite another example, between 63% and
In Part 1 of this report, we present what 69% of the 2013 respondents reported
respondents had to say about disrespectful Shaming, humiliation, or spreading resistance on the part of physicians, as
behaviors in the workplace and compare malicious rumors (46%) well as other health care professionals,
the 2013 results to the 2003 survey. Reporting staff to a manager (actual to following safety practices or working
or threat) (42%) collaboratively with others.
Survey Respondents Insulting or slighting an individual Furthermore, repeated occurrences of
Our 2013 survey included 4,884 respon- due to race, religion, or appearance disrespectful behavior did not arise from
dentsmore than double the respondents (24%) a single menacing individual. Thirty-eight
in our 2003 survey. With the exception Thrown objects (18%) percent of respondents in 2003 and 36% in
of more physicians in the 2013 survey, Physical abuse (7%) 2013 reported that three to ve individuals
the respondent proles were quite similar. were involved in disrespectful behaviors,
Most respondents were nurses (68%) Although these were the least frequent while 19% and 21% respectively reported
or pharmacists (14%), but more than behaviors encountered in aggregate that more than ve individuals were
200 physicians and almost 100 quality/ by respondents, it is truly a sad state involved in occurrences during the past
risk management staff also participated. of affairs when nearly a quarter (24%) year. Respondents in 2013 also reported
Most respondents (66%) were staff- of respondentsthats 1,148 practitio- that more nonphysicians than physicians
level practitioners, but leaders at the nersreported that at least one of these were involved in disrespectful behavior.
Impact on Safety differences were reported in the fre- However, pharmacists reported more
Almost half of the 2003 (49%) and 2013 quency with which each group encoun- frequent physician reluctance to follow
(44%) respondents told us that their past tered disrespectful behaviors. For safety practices or work collaboratively
experiences with intimidation had altered example, a higher percentage of male than nurses, and less nitpicking/fault-
the way they handle order clarications respondents reported that they had, nding, shaming, thrown objects, and
or questions about medication orders. during the past year, assumed that a insults due to race, religion, gender, and
At least once during the year, 39% of medication order was correct and safe appearance than nurses. In contrast,
respondents in 2003 and 33% in 2013 rather than interact with a particular pharmacists experienced more frequent
had concerns about a medication order prescriber (2003: 48% male, 37% female; disrespectful behavior by nonphysicians
but assumed it was correct rather than 2013: 40% male, 32% female). A higher than nurses, particularly a refusal to answer
interact with an intimidating prescriber. percentage of male respondents also felt questions or return calls, impatience with
Similar results were reported when the pressured to accept an order, dispense questions, yelling and cursing, and being
prescribers stellar reputation led to a product, or administer a drug despite reported to their manager.
reluctance to question or clarify orders concerns about its safety (2003: 53% male, Pharmacists also reported more fre-
despite concerns. More than one-third 49% female; 2013: 43% male, 38% female). quent effects from disrespectful behavior
of respondents in both 2003 (39%) and In 2013, male respondents also reported than nurses in both the 2003 and 2013
2013 (38%) asked another professional more frequently being reported to a surveys. For example, in 2013, 63% of
to talk to a particularly disrespectful pre- manager (49% male, 42% female) and pharmacists and 30% of nurses reported
scriber about the safety of an order. Small being physically abused by nonphysicians that, during the past year, they had
improvements were seen between 2003 (8% male, 5% female). On the other hand, assumed a medication order was correct
and 2013 in regard to asking a colleague female respondents in 2013 reported that and safe rather than interact with a par-
to help validate the safety of an order, more individuals were engaged in disre- ticular prescriber. Pharmacists (57%)
asking a colleague to talk to a disrespect- spectful behavior than reported by male asked another professional to talk to a
ful prescriber on their behalf, or feeling respondents. particular prescriber about an order more
pressured to accept an order despite frequently than nurses (36%). Pharmacists
safety concerns. However, there was no Practitioner Type Differences (29%) also asked, suggested, or allowed
reduction between 2003 and 2013 in the In the 2013 survey, nurses and phy- a physician to give a medication himself
percent of respondents who were aware sicians encountered about the same despite concerns about the safety of an
of a medication error during the year frequency of disrespectful behavior by order more often than nurses (17%). Very
in which disrespectful behavior played physicians, although physicians reported similar ndings were reported in 2003.
a role. more nitpicking/fault-finding and While more nurses (54%) than pharma-
inappropriate joking, and less impatience cists (41%) felt that their organizations had
Not Satised With with questions than nurses. However, phy- dened an effective process for handling
Organizational Efforts sicians reported signicantly less frequent disagreements with the safety of an order,
It appears that the 2013 respondents disrespectful behavior by other health pharmacists (83%) reported greater dis-
were less satised than the 2003 respon- care professionals (nonphysicians) than satisfaction than nurses (74%) with their
dents with organizational efforts to nurses and pharmacists. Nevertheless, organizations ability to deal effectively
address disrespectful behavior. Only 60% the frequency of disrespectful behaviors with disrespectful behavior.
of respondents in 2003 and 50% of respon- toward physicians by nonphysicians was
dents in 2013 felt their organization had unexpected. More than half of the physi- Summary
clearly dened an effective process for cians reported encountering these behav- The results of our surveys expose
handling disagreements with the safety iors by nonphysicians one or more times health cares continued tolerance and
of an order. Even less (33% in 2003, 14% in during the prior year: indifference to disrespectful behavior.
2013) felt that the process allowed them These behaviors are clearly learned,
to bypass a particularly disrespectful Negative comments about tolerated, and reinforced in the health
prescriber or their supervisor if neces- colleagues (71%) care culture, and little improvement
sary. While 70% of respondents in 2003 Refusal to answer questions or return has been made in recent years. The
reported that their organization/manager calls (68%) stressful health care environment,
would support them if they reported dis- Constant nitpicking/fault-finding particularly in the presence of produc-
respectful behavior, just 52% of the 2013 (56%) tivity demands, cost containment, and
respondents felt this way. In the end, Reluctance to follow safety practices hierarchies that nurture a sense of status
only 39% in 2003 and 25% in 2013 felt that or work collaboratively (55%) and autonomy, have likely been the
their organization dealt effectively with Impatience with questions (55%) most inuential factors. This creates an
disrespectful behavior. Condescending language, demeaning environment in which victims may feel
comments, and insults (54%) they have no choice but to become
Gender Makes Little Difference perpetrators and join in the practice.
Female respondents to the survey out- Overall, nurses and pharmacists also Organizations have largely failed to
numbered male respondents in both the encountered about the same frequency address disrespectful behavior for a variety
2003 and 2013 survey, but only minor of disrespectful behavior by physicians. of reasons. First, some individuals who
continued on page 23
Mr. Barlas is a freelance Pharmaceutical makers dont like to authority for implementing the 340B ADR
writer in Washington, be forced to sell products at a discount, process does not permit consolidated claims
D.C., who covers issues but they must do so if they want to sell to on behalf of manufacturers by associations
inside the Beltway. Send state Medicaid programs. The discounts or organizations representing their inter-
ideas for topics and your are problematic enough for them, but the ests. There is also some question whether
comments to sbarlas@ drug companies have argued for years that the consolidation of claims by manufactur-
verizon.net. covered entities, either consciously or due ers generally is legal. Such consolidation
to faulty billing systems, divert discounted may be barred by what the HHS calls the
drugs to ineligible individuals. The hospitals operational challenges presented by the
rug companies and hospitals are and clinics, for their part, complain they do statutory requirement for a manufacturer
tion, there were more deaths in bezlotoxumab-treated patients Concomitant medical conditions. This medication has
(23 of 118; 19.5%) than in placebo-treated patients (13 of 104; anticholinergic properties and therefore should be used with
12.5%) during the 12-week study period. The causes of death caution in women with asthma, increased intraocular pressure,
varied and included cardiac failure, infections, and respiratory narrow-angle glaucoma, stenosing peptic ulcer, pyloroduodenal
failure. In patients with a history of CHF, bezlotoxumab should obstruction, or urinary bladder-neck obstruction.
be reserved for use when the benet outweighs the risk. Dosage and Administration: The initial recommended
Dosage and Administration: Administer bezlotoxumab dose is one extended-release tablet orally at bedtime (day 1).
during antibacterial drug treatment for CDI. A single dose If this dose adequately controls symptoms, the patient should
of 10 mg/kg administered as an intravenous infusion over continue taking one tablet daily at bedtime on the next day.
60 minutes is recommended. Bezlotoxumab must be diluted However, if symptoms persist on day 2, the daily dose may
prior to infusion. be increased to one tablet in the morning and one tablet at
Commentary: The Food and Drug Administration approval bedtime. The maximum recommended dose is two tablets per
of bezlotoxumab was based on two phase 3 trials, MODIFY I day, one in the morning and one at bedtime. The medication
and II. MODIFY I enrolled 1,452 patients (median age, should be taken on an empty stomach with a glass of water,
65 years) in 19 countries, and the MODIFY II study enrolled and should be swallowed whole. The tablets should not be
1,203 patients (median age, 67 years) in 17 countries. The crushed, chewed, or split.
studies were conducted in both hospital and outpatient settings, Commentary: There have been no efcacy and safety
and the primary outcome measure in each trial was the number trials conducted with Bonjesta. A double-blind, randomized,
of participants who had CDI recurrence in the 12 weeks follow- multicenter, placebo-controlled study was conducted to support
ing bezlotoxumab administration. CDI recurrence was dened the safety and efcacy of 10-mg doxylamine succinate and
as the development of a new episode of diarrhea (three or more 10-mg pyridoxine hydrochloride tablets (a different formulation
loose stools in 24 or fewer hours) and a positive lab stool test and dosage strength) in the treatment of nausea and vomit-
for toxigenic C. difcile after clinical cure of the initial episode. ing during pregnancy. Women 18 years of age or older at
Nausea, fatigue, fever, and headache were among the most seven to 14 weeks gestation (median, nine weeks) with nausea
common adverse events experienced on the day of infusion and vomiting were randomized to 14 days of 10-mg doxyl-
or within four weeks of infusion. Heart failure emerged as a amine succinate and 10-mg pyridoxine hydrochloride tablets
serious adverse reaction 12 weeks after therapy. or placebo. The primary efcacy endpoint was the change from
Sources: Merck and Co., Inc., Zinplava prescribing baseline at day 15 in the Pregnancy Unique-Quantication
information of Emesis (PUQE) score. The PUQE score incorporates the
number of daily vomiting episodes, number of daily heaves, and
Doxylamine Succinate/Pyridoxine Hydrochloride length of daily nausea in hours for an overall score of symptoms
(Bonjesta) rated from 3 (no symptoms) to 15 (most severe). At base-
Manufacturer: Duchesnay USA, Inc., Bryn Mawr, line, the mean PUQE score was 9.0 in the 10-mg doxylamine
Pennsylvania succinate and 10-mg pyridoxine hydrochloride tablets arm and
Date of Approval: November 14, 2016 8.8 in the placebo arm. There was a 0.7-point mean decrease in
Indication: Bonjesta is a xed-dose combination of nausea and vomiting symptoms from baseline in PUQE score
doxylamine succinate and pyridoxine hydrochloride indicated at day 15 with 10-mg doxylamine succinate and 10-mg pyridox-
for the treatment of nausea and vomiting during pregnancy ine hydrochloride tablets (95% condence interval, 0.21.2;
in women who do not respond to conservative management. P = 0.006) compared with placebo.
Each extended-release tablet contains 20 mg of doxyl- Sources: Duchesnay USA, Inc., Bonjesta prescribing
amine succinate, an antihistamine, and 20 mg of pyridoxine information Q
hydrochloride, a vitamin B6 analogue.
Drug Class: Antiemetic agent
Uniqueness of Drug: The combination of doxylamine
succinate and pyridoxine hydrochloride has been the subject Reprints Available
of many epidemiologic studies designed to detect possible
teratogenicity. No increased risk for congenital malformations Major articles are reviewed by appropriate members
has been reported based on these studies. of P&Ts editorial advisory board and/or other qualied
Warnings and Precautions: experts. Reprints of these articles may be a useful tool
Somnolence. This medication may cause somnolence due for your company.
to the anticholinergic properties of doxylamine succinate, an To obtain information concerning the purchase of
antihistamine. Women should avoid engaging in activities professionally printed reprints, please contact:
requiring complete mental alertness, such as driving or operat-
ing heavy machinery, while using this medication until cleared
Dawn Flook
to do so by their health care provider. Doxylamine succinate
and pyridoxine hydrochloride use is not recommended if a Phone: 267-685-3422
woman is concurrently using central nervous system depres- Email: dook@medimedia.com
sants, including alcohol. The combination may result in severe
drowsiness leading to falls or accidents.
Zarxio (Filgrastim-sndz):
The First Biosimilar Approved by the FDA
Mina Awad, PharmD Candidate; Pavit Singh, PharmD Candidate; and Olga Hilas, PharmD, MPH
For patients with cancer receiving recommended starting dosage in patients number of consecutive days with grade 4
myelosuppressive chemotherapy and/or with idiopathic or cyclic neutropenia is neutropenia (ANC less than 0.5 x 109/L).
consolidation chemotherapy for AML, 5 mcg/kg as a single daily subcutaneous Secondary efcacy endpoints included
the recommended dose is 5 mcg/kg per injection.10 incidence of febrile neutropenia by cycle
day by any of the three approved routes and across all cycles; the number of days
of administration. A complete blood PIVOTAL PHASE 3 STUDY of fever for each cycle; depth of ANC
count (CBC) and platelet count should A rigorous program of clinical trials nadir; time to ANC recovery; frequency of
be performed before the patient begins that demonstrates no clinically meaning- infections by cycle and across all cycles;
treatment. During treatment, monitor the ful differences between the biosimilar and incidence and duration of hospital-
patient twice weekly for changes in ANC product and the reference product must ization due to febrile neutropenia. Safety
and platelet count. Zarxio is not recom- be completed for a biosimilar to receive endpoints included incidence, occur-
mended in patients with an ANC greater FDA approval.8 The totality of evidence rence, and severity of serious adverse
than 10,000/mm3.10 presented to the FDA for Zarxio com- events, local tolerability at the injection
Zarxio should not be administered pared with Neupogen showed no clinically site, and systemic tolerability.12
within the 24-hour period before chemo- meaningful differences between them.11 The mean duration of grade 4 neutro-
therapy and should be administered at The phase 3 PIONEER trial, a ran- penia in cycle 1 was approximately
least 24 hours after cytotoxic chemo- domized, double-blind, parallel-group, 1.2 days (range, zero to four days) in both
therapy. ANC levels will increase tran- multicenter study, was conducted to groups. The mean difference in duration
siently one to two days after the rst treat- demonstrate the noninferiority of Zarxio of neutropenia was 0.04 days. The inci-
ment. To ensure a sustained response, to Neupogen in the prevention of neutro- dence of febrile neutropenia was low in
administer Zarxio daily for up to penic complications in 218 breast cancer both groups, with no clinically relevant
two weeks or until the ANC has reached patients treated with myelosuppressive differences for cycle 1. The mean time to
10000/mm3 following the expected chemotherapy.12 The study also pro- ANC recovery in cycle 1 was also similar
chemotherapy-induced neutrophil nadir.10 vided safety and efcacy outcomes for for Zarxio compared with Neupogen. In
For patients with cancer who have Zarxio compared with Neupogen. Key all, there were no substantial differences
undergone BMT, the recommended dos- inclusion criteria encompassed patients between the treatment arms.12
age is 10 mcg/kg daily, which should with histologically proven breast cancer The data assessed from cycle 2, which
be administered as an IV infusion for no approved for neoadjuvant or adjuvant represented switching the therapies about
longer than 24 hours. Administer the rst chemotherapy; women 18 years of age halfway through the trial, also showed
dose of Zarxio at least 24 hours after cyto- and older; estimated life expectancy of similar results for all treatment arms. The
toxic chemotherapy and at least 24 hours more than six months; an Eastern Coop- incidence of febrile neutropenia in the
after bone marrow infusion.10 erative Oncology Group performance group that received the same treatment
For patients with cancer undergoing score of 2 or less; adequate bone marrow throughout the study was 2.3%, while
autologous PBPC collection and therapy, function prior to chemotherapy admin- the incidence in the group that switched
the recommended dosage is 10 mcg/kg istration; and an ANC of 1.5 x 109/L or therapies was 6.7%, which did not exceed
per day given by subcutaneous injection. greater, a platelet count of 100 x 109/L the noninferiority margin of 15%.12
Administer Zarxio for at least four days or greater, and a hemoglobin level of The safety analysis included a total
before the rst leukapheresis procedure 10 g/dL or greater.12 of 214 patients, approximately 96.3% of
and continue until the last leukapher- Patients were initially randomized to whom experienced one adverse event.
esis procedure. Although the optimal either Zarxio or Neupogen. Half of the Most adverse events were related to
duration of Zarxio administration and patients remained on the therapy started chemotherapy, and the safety proles
leukapheresis schedule have not been in the rst treatment cycle for the dura- of Zarxio and Neupogen were similar.
established administration of lgrastim tion of the trial, while the other half of the No statistically signicant difference in
for six to seven days with leukapheresis patients received alternating treatment safety was reported.12
on days 5 6 and 7 was found to be safe with either Zarxio or Neupogen starting The most frequent treatment-emergent
and effective.10 with the second cycle of chemotherapy. adverse events for the two therapies were
For patients with suspected SCN, con- This design was used to assess whether alopecia, nausea, asthenia, fatigue, and
rm the diagnosis by evaluating serial switching the therapies during the treat- bone pain. The most notable adverse drug
CBCs with differential and platelet counts, ment period had any impact on safety, reactions were bone pain (Zarxio, 23%, ver-
and by evaluating bone marrow morphol- efcacy, and immunogenicity.12 sus Neupogen, 33%) and musculoskeletal
ogy and karyotype. If Zarxio is used before Patients in the study received pain (Zarxio, 7%, versus Neupogen, 2%).12
conrming the correct diagnosis, diagnos- 5 mcg/kg of Zarxio or Neupogen daily
tic efforts may be impaired, thus impairing starting on day 2 of each chemotherapy ADVERSE DRUG REACTIONS
or delaying the evaluation and treatment cycle and continued until ANC levels Adverse drug reactions vary according
of an underlying condition (other than recovered to 10 x 109/L or for a maxi- to the indication for which Zarxio is used.
SCN) causing the neutropenia.10 mum of 14 days of treatment, whichever The most common adverse reactions in
The starting dose for patients with occurred rst. The primary endpoint was patients with nonmyeloid malignancies
congenital neutropenia is 6 mcg/kg as a duration of chemotherapy-induced severe receiving myelosuppressive anticancer
twice-daily subcutaneous injection. The neutropenia, which was dened as the drugs are pyrexia, pain, rash, cough, and
dyspnea (5% or greater difference in inci- CONTRAINDICATIONS treatment. The relationship of these events
dence compared to placebo). In patients Zarxio is contraindicated in patients to lgrastim administration is unknown.10
with AML, adverse reactions include pain, with a history of serious allergic reactions
epistaxis, and rash (2% or greater differ- to human G-CSF, such as lgrastim or Geriatric Use
ence in incidence compared to placebo). peglgrastim.10 In three randomized, placebo-
Patients with nonmyeloid malignancies controlled trials of a total of 855 lgrastim-
undergoing myeloablative chemotherapy SPECIAL POPULATIONS treated patients receiving myelo-
followed by BMT most often experience Pregnancy and Lactation suppressive chemotherapy, 232 patients
rash (5% or greater difference in inci- There are no adequate and well- were age 65 years or older and 22 were
dence compared to placebo). In patients controlled studies of lgrastim products age 75 years or older. No overall differ-
undergoing PBPC mobilization and col- in pregnant women; studies in rats and ences in safety or effectiveness were
lection, the most common adverse effects rabbits revealed no fetal malformations, observed between these patients and
are bone pain, pyrexia, and headache although rabbits administered two to the younger population. Clinical studies
(5% or greater difference in incidence 10 times the human dose experienced of lgrastim in other approved indica-
compared to placebo). Pain, anemia, maternal toxicity, reduced embryo- tions (i.e., BMT recipients, PBPC mobi-
epistaxis, diarrhea, hypoesthesia, and fetal survival, and increased abortions. lization, and SCN) did not include suf-
alopecia may occur (5% or greater differ- Because the risk to humans is unknown, cient numbers of patients 65 years of age
ence in incidence compared to placebo) lgrastim products should be used during and older to determine whether elderly
in patients with SCN.10 pregnancy only if the potential benet people respond differently than those
justies the potential risk to the fetus.10 who are younger.10
WARNINGS AND PRECAUTIONS It is unknown if lgrastim products
Splenic ruptures and sickle cell are excreted in human milk; therefore, COST
crises, including fatal cases, have caution should be exercised if they Zarxio is provided in prelled syringes
been reported after treatment with are administered to women who are in dosage strengths of 300 mcg/0.5 mL
lgrastim products. In addition, treat- breastfeeding.10 and 480 mcg/0.8 mL. The average
ment may cause acute respiratory wholesale prices (AWPs) of Zarxio are
distress syndrome; serious allergic Pediatric Use $331 and $527 for 300 mcg/0.5 mL and
reactions, including anaphylaxis; glo- Because the Zarxio prelled syringe 480 mcg/0.8 mL, respectively.13 In
merulonephritis; alveolar hemorrhage may not accurately measure volumes less contrast, the AWPs of Neupogen in
and hemoptysis; thrombocytopenia; than 0.3 mL, the direct administration of the same dosages, also provided in
leukocytosis; and cutaneous vasculi- a volume less than 0.3 mL is not recom- prelled syringes, are $389 and $620,
tis. Symptomatic patients should be mended due to the potential for dosing respectively.13
monitored for capillary leak syndrome.10 errors.10
Cytogenetic abnormalities and trans- Several studies have established the P&T COMMITTEE
formation to myelodysplastic syndromes pharmacokinetics, safety, and effective- CONSIDERATIONS
(MDS) and AML have been reported in ness of lgrastim in pediatric patients. A biosimilar product is identical in
patients with SCN treated with lgrastim Additional information is available from a function to its reference biologic drug,
products.10 post-marketing surveillance study, which but offers a lower-cost alternative. Zarxio,
Because the G-CSF receptor through includes long-term follow-up of patients in the rst biosimilar approved by the FDA,
which Zarxio acts has also been found the clinical studies and information from offers lower costs, potentially greater
on tumor cell lines, the possibility that additional patients who entered directly accessibility to treatment, and increased
the treatment acts as a growth factor for into the post-marketing study. Of the exibility in prescribing, which makes it
any tumor type cannot not be excluded.10 731 patients in the surveillance study, a landmark agent for future biosimilars.
Simultaneous use of Zarxio with chemo- 429 were pediatric patients less than P&T committees can consider adding
therapy or radiation therapy has not been 18 years of age (range, 0.917 years). Long- Zarxio to their formularies alongside or
evaluated and is not recommended.10 term follow-up data suggest that height in place of Neupogen to treat neutropenia.
Growth factor therapy has been and weight are not adversely affected in
associated with transient positive bone- patients who received up to ve years of CONCLUSION
imaging changes, which should be taken lgrastim treatment. Limited data from Neutropenia is a condition that, if left
into account when interpreting nuclear patients who were followed for 1.5 years untreated, can result in signicant health
imaging results.10 did not suggest alterations in sexual matu- consequences. With its FDA approval,
ration or endocrine function.10 Zarxio is the rst biosimilar to provide an
DRUG INTERACTIONS Pediatric patients with congenital types alternative to Neupogen that is similar in
Zarxio administration is not recom- of neutropenia (Kostmanns syndrome, safety and efcacy. This allows providers
mended within 24 hours of cytotoxic congenital agranulocytosis, or Schwach- and the market more than one option in
chemotherapy because of the increased manDiamond syndrome) have devel- treating the various forms of neutropenia
risk of sensitivity of rapidly dividing oped cytogenetic abnormalities and have at a lower cost.
myeloid progenitor cells in response to undergone transformation to MDS and continued on page 23
chemotherapy.10 AML while receiving chronic lgrastim
Transition From Paper to Computerized The RxCDS is a productivity tool. Pharmacists spend no
time typing existing data into the RxCDS, so there are no data-
Pharmacist Clinical Decision Support entry errors. Vancomycin/aminoglycoside and heparin dosing
To the Editor: are both faster and accurately reect clinical protocols. TPN
The progress of electronic pharmacy clinical decision patients are found quickly, nutritional metrics calculated, and
support has been limited because of problems of interoperability current labs displayed. Our data is ltered to discover duplicate
between and within electronic medical records (EMRs). EMRs prescriptions or overlapping as-needed indications so that
in use in hospitals are predominantly rst-generation EMRs the pharmacist can correct those orders and avoid potential
with 1970-style hierarchical databases that predate the advent medication administration errors as well as avoid government
of relational database systems (RDBSs). These non-RDBSs regulatory nes. Patients on recalled or unavailable drugs
require the creation of computer applications, application can be found quickly. Screening to nd patients who might
program interfaces, for an external application to access the require a pharmacists intervention can be done quickly; the
data stored in these non-RDBSs. relevant clinical pharmacy protocol is displayed with a sug-
This is the root cause of the data silos and data islands gested course of action. Any actual intervention made by the
problem, where data are isolated to a single organization or pharmacist can either be recorded into the RxCDS or copied
abandoned to a single unit within an organization. Hospital and pasted into the EMR.
pharmacy faces this issue as data are trapped in the EMR. Ad hoc observational studies can be created to investigate
First-generation EMR providers adopted the enterprise busi- medication issues. As an advantage to lowering bias in stud-
ness model, where the customer relies on that single EMR for ies, the application decides, based on our inclusion criteria, if
all its information. Thus the very design of the rst-generation a patient is included or excluded: There is no cherry-picking
EMRs supports the lack of interoperability; there was never of data.
any intention to share the data with any outside entity. This Our argatroban dosing protocol required a dose reduc-
is a shrewd business model to maintain a local monopoly on tion for patients on continuous renal replacement therapy
the data. (CRRT); even though the drug is not renally cleared, CRRT
Most computer applications providing pharmacist clinical was suggested as a predictor of hepatic failure. We created a
decision support (RxCDS) require the user to type in the data small application to search our data and collected 30 relevant
because the EMR will not share them. Fortunately, EMRs are patients. In about three-quarters, the results of liver-function
good at generating printed reports. Where there are printed tests (LFTs) were elevated, but not in the other one-quarter,
paper reports, there was once a text le, e.g., MyReport.txt. who we may have been underdosing. A good suggestion was
Most hospital pharmacies periodically have a pharmacist to order LFTs to monitor for possible dose adjustments. As a
patient prole report generated to be used in the event of EMR byproduct, we were surprised to discover that CRRT patients
downtime. Likewise, most hospital nursing departments have had a mortality rate of 70%.
something to use for patient data as a backup to EMR failure. Some of our pharmacists use another PK dosing model
We electronically mined EMR pharmacy downtime reports instead of our RxCDS PK function. It was recently noted
intended as printed paper reports to collect patient-specic in morbidly obese patients that vancomycin regimens were
data for use in an RxCDS application. The data automatically signicantly different between the two models. We created a
populate into the RxCDS. small application to search our data and collected 10 relevant
First, we found a pharmacist patient prole le and a prior patients. We determined that using an adjusted weight for
12-hour patient lab le on our local area network. Next, we patients whose actual weight was more than 1.5 times their
had our Information Technology Department increase the ideal body weight was best for our RxCDS vancomycin PK
frequency of the reports to generate them every two hours, model; otherwise it uses actual patient weight. This change
so we are never more than two hours behind in the data. has been completed in the RxCDS. The other model (which
This eliminates the largest obstacle to the progress of an we cannot change) seems to underdose by estimating a longer
RxCDS application: A data source is now available. Why half-life in obesity.
create an RxCDS application to discover the 30 patients in The health care work environment in general is high touch
your hospital who require renal dosing if you have to type in and low tech; hospital pharmacy is no different. We love our
all the information for 300 patients! Application developers or paper and have suffered with the introduction of new technol-
programmers, either external or internal to the hospital, can ogy. We have endured the challenges of rst-generation EMR
map the data to an existing RxCDS or create a new RxCDS. implementations. We prefer to stay with our current EMR to
Ideally a pharmacist who is also an application developer or avoid going through the pain of a conversion. The centralized
programmer can be found. enterprise business model is very seductive.
Our RxCDS is used for pharmacokinetic (PK) dosing of There is another, perhaps better modelthe federated
aminoglycosdies and vancomycin; automating clinical pharmacy model, a decentralized collaboration of processes. The idea
protocols for renal dosing, anticoagulation, and total parenteral is to use best of breed processes in a modular structure.
nutrition (TPN); government regulatory compliance; ad hoc You own the model; the model does not own you. There is no
searches for patients on specic drugs or with recent specic monopoly. If one of the subprocesses fails, you replace it with
laboratory tests; and providing patient pharmacy proles, labs, another. The entire business is not brought down; there is no
and prescription label printing during planned or unplanned downtime. This allows competitive free enterprise to create a
EMR downtime. new product or service.
onald Trumps election as president poses a real bill never received a hearing in the Senate Finance Committee,
Keywords: Patient Protection health care delivery models in 2016, holistic care places drug therapy at a
and Affordable Care Act, Medicare a short two years later. higher level of scrutiny and accountability.
Access and CHIP Reauthorization Act, Today, P&T committees routinely deal P&T committees offer a perceived sense
P&T, value-based reimbursement, with chronic drug shortages and become of comfort and independence in protecting
formularies, managed care, insurance involved in ethical discussions on medica- patients using prescribed drugs. However,
tion rationing. Still evolving, the commit- various institutional entities may be per-
How We Got Here tees role in hospitals, payer organizations, ceived as using the formulary as leverage
The Post-PPACA Marketplace and other entities has to meet the needs for economic gain. Complicit or not, health
In 2004, Balu et al. reviewed the chang- of a market that has further changed with care professionals and manufacturers can
ing role of the P&T committee from its new reimbursement pressures in both be tainted by perceptions that question the
beginnings in acute-care hospitals.1 quality and cost in care delivery accel- integrity of health care entitiesand by
Traditionally, P&T committees limited erated by the PPACA; the emergence extension their P&T committees.
the impact of their decisions to the popu- of large, robust health care systems; Decision-making across the health care
lations associated with their hospital or and the proliferation of biotechnology- spectrum is under re, and economic pres-
health plan; however, as hospitals trans- based drugs, diagnostic tests, and sures are reshaping the landscape of care
formed into larger health systems and devices. While the dening task of the delivery. Professionals in the stakeholder
even integrated payer organizations, P&T P&T committee has remained intactthe mix are closest to patients and, therefore,
committees had to begin to consider evaluation of the clinical use of medica- have the most credibility to lose during
inpatient, outpatient, and/or ambulatory tions and development of guidelines for the rapid transitions. As members of P&T
needs in multiple hospitals and ambula- managing access to them to ensure safe committees, health care professionals
tory care settings. The primary function drug use and administrationconcerns necessarily need to redouble efforts to
of the P&T committee had not necessar- around decision-making independence represent the interest of patients for safety
ily changed, but its scope expanded to are more commonly heard.3 The use of and efcacy in drug therapy.
other health care entities, such as health clinical effectiveness data that integrate
plans and pharmacy benet management overall costs and offer comparisons Focus on Cost and Quality
(PBM) rms. among therapies for the sake of public Considerations of quality, cost (reim-
After passage of the Patient Protection health remains imperative for the P&T bursement), and access (accreditation)
and Affordable Care Act (PPACA) and committee;2 however, conicts of interest affecting P&T committees over the past
the implementation of health reform, in patient care when making decisions decade will become even more important
Vogenberg and Gomes revisited the or creating guidelines from such as new drugs and biologic therapies enter
landscape of changes affecting P&T comparisons have emerged as a concern. the market and the shortage of primary
committees in 2014.2 Market and regu- Now it is more important than ever for care physicians intensies.
latory changes since then have resulted P&T committees to use these data as Therapy costs, having skyrocketed in
in more signicant modications to they make decisions for a larger volume the last few years, escalate the focus of
of patients who have been incorporated attention on cost but also on the achieve-
Dr. Vogenberg is Principal at the Insti- into larger health systems. For example, ment of good outcomes. The tension
tute for Integrated Healthcare and National not only does a health system have to among key attributes of a health care
Institute of Collaborative Healthcare in Green- consider the medications that patients systemcost, quality, and accessis
ville, South Carolina, and Adjunct Professor need while in the hospital, it must also reverberating rapidly, causing further
of Pharmacy Administration at the Univer- consider the drugs that its patients will stress that impacts the care of patients.
sity of Rhode Island, College of Pharmacy, need at home to sustain positive health Efforts to identify key drivers in quality
in Kingston, Rhode Island. Ms. Marcoux is a outcomes and avoid readmission. to empower decision-making are under
Clinical Associate Professor of Regulations way in an effort to moderate the system
and Managed Care and Director of Pharmacy Stakeholders in Care Delivery tension that has opened access without
Outreach Programs at the University of Rhode and Decision-Making consideration of cost. As seen in health
Island College of Pharmacy. Dr. Rumore is Pharmacists, physical therapists, care reform efforts in Massachusetts,
Associate Professor of Social, Behavioral, and nurses, and physicians are assuming new addressing cost rapidly emerges as a
Administrative Pharmacy at Touro College leadership responsibilities, making them priority. Pharmacotherapies today will
of Pharmacy in New York, New York; and Of partners with P&T committees in improv- continue to engage P&T committees in
Counsel at Sorell, Lenna & Schmidt, LLP, in ing clinical care and cost performance for challenging issues beyond traditional
New York, New York. health systems. The formation of formal population health.
and informal care teams tasked with
Convergence in Care Delivery ment is being driven by the Centers These new models of care require
The nancial pressures to demonstrate for Medicare and Medicaid Services integration and collaboration among all
revenue growth and innovation in the (CMS). CMS continues its work to replace sectors of the industry. As health systems
post-PPACA era has resulted in an accel- fee-for-service with episode-of-care pay- and providers are pushed to assume risk,
erated merger and acquisitions trend ments and increase quality-based pay- pharmaceutical industry participation and
that began in 2014 and continues even ments. Hospital value-based purchasing assumption of risk for outcomes is being
now. Hospitals and providers merged to and physician-based value modier pro- discussed. Physicians will be integral to
address the threats by more efcient and grams reward providers for quality of care. reducing postacute treatment and man-
cost-effective outpatient facilities as well The Medicare Access and CHIP Reautho- aging patient behaviors to ensure posi-
as changes in reimbursement. Regional rization Act of 2015 (MACRA) provided a tive outcomes. The integration models
hospitals and health systems also afford new approach that aligns payment with must align incentives and payment while
greater negotiating power with insurance quality and value of care. MACRA sup- including patients as key stakeholders.
companies. These acquisitions or partner- ports two paths: the merit-based incentive As the burden of cost continues to shift
ships offer the integration of technology, payment system (MIPS), which adjusts to the consumer in the form of premiums,
clinical practice, and providers needed to fee-for-service payments, and advanced cost-sharing, and deductibles, consumers
address the developing models of care. alternative payment models (APMs), will demand transparency in the pricing
In 2015, the pharmaceutical and insur- which include patient-centered medical model.
ance sectors joined in the merger and homes, accountable care organizations, For integrated health care systems
acquisitions activity. The pharmaceuti- and bundled payment-of-care initiatives. with multiple service lines, managed
cal sectors acquisitions and divestitures The availability of data is imperative care negotiations can be complex. While
attempted to capitalize on revenue growth, to manage utilization and cost within payers often focus on negotiating with
specialty pipelines, and distribution these new paradigms of reimburse- the hospital, an integrated system needs
opportunities provided by the PPACA. ment. In 2018, MIPS will consolidate to think about the bigger picture, says
Some of the higher-prole deals included existing quality programs into a unied Paula Dillon, Director of Managed Care
Actavis and Mylan. Actavis purchased reimbursement that assesses quality, at Rockford Health System in Rockford,
Allergan for $70 billion and Kythera resource use, technology, and clinical Illinois. For example, increased rates in
Biopharmaceuticals for $2.1 billion practice. Payment adjustments will be certain settings can offset decreased rates
and divested its generics line to Teva.4 made based on individual composite in others. By looking at the net changes
Mylan purchased a division of Abbott, scores. The advanced APMs require across the organization, you can negoti-
then inverted to the Netherlands for tax that providers meet the criteria for tech- ate more effectively and realize a robust
benets. Pzer made a bid for Allergan, nology and quality measurement, and agreement for the entire organization.
but when the Obama administration intro- assume more than nominal nancial risk. That includes incorporating other enti-
duced rule changes in 2016, the value of Hospitals receiving bundled payments ties, such as ancillary providers and
this overseas purchase diminished. The will be required to manage inpatient and physicians in the negotiations.11
new rules limited Pzers ability to shed postacute-care costs for up to 90 days.
corporate citizenship in an effort to move Since the implementation of MACRA, Impact on P&T Committees
income and avoid taxes.5 CMS has proposed additional bundles P&T committees are currently in a state
Finally, national insurance market for episodes of care, including the com- of ux with regard to commercial plans,
activity has been delayed by the federal prehensive care for joint replacement Medicare Part D, Medicaid, the Veterans
government. In 2014, ve companies model for hip and knee replacement, the Health Administration/Department of
represented 83% of the national insur- oncology care model, and the cardiac Defense, hospitals, long-term care, and
ance market share. In 2015, Anthem bundled payment model for heart attacks various submarkets. For example, PBMs
announced plans to purchase Cigna for and bypass surgery.8 To avoid costs shift- and their P&T committees are shifting
$54 billion, while Aetna made a $37-billion ing to the private sector, private insur- toward formularies that lower costs for
offer for Humana.6 The government has ers are monitoring and implementing employers and plans while passing those
argued that this consolidation to three similar bundled payment programs and costs to employees. Over the last few
insurers would reduce competition, quality measures. Anthem Blue Cross and years, emerging P&T consequences of
especially in the Medicare segment, as Blue Shield of Ohio introduced a reward rising drug costs have dominated the
well as limit quality initiatives and the program for providers who received the health care landscape, affecting patient
control of premiums. The AnthemCigna Joint Commissions Integrated Care accessibility to medications and giving
judicial review is under way. The Aetna Certication.9 The Integrated Care Certi- rise to concerted patient advocacy, phar-
Humana merger was set for a judicial cation program focuses on the integra- macy benet discrimination cases, and
hearing in December 2016 and a decision tion of technology, sharing of information, legislative action.
is expected mid-January 2017.7 and transition of care for patients, and the The increasing costs of most generic
While entities in all health care sectors best practice standards elements require and brand-name medications have
work to report revenue growth and inno- that providers must be working toward prompted concerns about future sus-
vation to nancial markets, payers are improving outcomes through coordina- tainability for state governments and
working to redene the reimbursement tion of care, be accredited, and highlight insurers to shoulder the absolute costs
algorithms. Value-based reimburse- risk sharing.10 of medications. Emerging trends for
a particular disease on a specialty or effective at all ages; requiring prior six classes of medications as protected
high-cost tierhas ourished. When an authorization for all medications in and mandates at least two medications
insurance plan charges more for common certain classes; and whether limitations in every drug category.29 CMS also has
human immunodeciency virus (HIV)/ and exclusions are based on clinical a rule for the independence of P&T com-
acquired immunodeciency syndrome guidelines and medical evidence. mittee members that requires at least
(AIDS) medications than other insur- In May 2016, CMS issued the nal two members to be independent of the
ers, the company may be trying to dis- rule implementing Section 1557, the anti- plan sponsor or manufacturer (but not
courage high-cost patients from choos- discrimination provision of the PPACA.27 the PBM). There are now two tiers for
ing its plans on the PPACA exchange The rule prohibits plan designs that place generic medications in most Medicare
marketplace. Adverse tiering is explicitly most or all drugs that treat a specic con- Part D plans. The scope of formulary med-
prohibited under the antidiscrimination dition on highest cost tiers and charge ication coverage for these plans varies
provisions of the PPACA; a plan may not more for single-tablet regimens than for widely; some plans list all drugs from the
employ marketing practices or benet treatments that require patients to take CMS drug reference le, while others list
designs that have the effect of discour- multiple tablets. Although it will take as few as 65% of these drugs. Even if on
aging the enrollment in such plan by years for the scope of Section 1557 to formulary, utilization management rules,
individuals with signicant health needs.21 be established by the courts and provi- including step therapy, prior authoriza-
The PPACA also includes annual sions for health plan benet design will tion, and quantity limits may restrict a
limits on cost-sharing, which means that not take effect until January 2017, the beneciarys access to the medication.
patients with chronic conditions should rule authorizes private right to action. On average, prior authorization applies
not pay high coinsurance once they reach Increased plan benet litigation will be on to 22% of medications.30
maximum out-of-pocket spending. While the horizon as courts are already authoriz- Perhaps the balance between savings
the PPACA rule has been the basis for ing Section 1557 lawsuits. A number of and wellness has tipped too far toward
complaints to state and federal regulators, states, such as Florida, have warned that savings. A more equitable health care
insurers have countered with the Safe plans found to be discriminatory will not system for patients with chronic disease
Harbor Provision, which protects insur- be recommended as QHPs that can be is required.
ers in underwriting risks, classifying sold in the state.
risks, or administering such risks that are Over the past two years, we have P&T: Dealing With Convergence
not inconsistent with state laws. 22 The witnessed the divergence of P&T formu- in a Transitional Marketplace
Safe Harbor provision cannot be a sub- lary trends in the new PPACA exchange While much of what has been
terfuge to circumvent antidiscrimination market, employer-sponsored plans, and discussed in this column is unlikely to
provisions inasmuch as limits must be Medicare Part D plans. One study of the change, the post-presidential election
based upon actual or reasonable predict- exchange market in eight states revealed fallout has already begun in many eco-
able risks. All that is required is the signicant drug access and cost-sharing nomic sectors, including health care.
showing of a rational nexus between differences in exchange plans versus During the campaign, the PPACA was
the higher tier and cost-sharing, including employer and Medicare Part D plans. targeted for elimination. Now that the
copayment and coinsurance for certain For example, exchange plans cover fewer campaign is over, it has become apparent
classes of medications and risks. specialty drugs and have three times the that incremental change is more likely,
A 2015 study published in the New utilization management rates. Specialty and that not much will change in 2017.
England Journal of Medicine reported coinsurance is often more than 30% That being said, commercial market
adverse tiering for HIV and AIDS drugs for single-source drugs for HIV/AIDS, impacts could be felt in 2017 and are
in 12 of 48 plans.23 Enrollees in adverse- hepatitis, cancer, and multiple sclerosis.28 much more likely to be seen along with
tiered plans had a yearly per-drug cost One of the duties of P&T committees public sector shifts for the 2018 plan year.
that was almost $4,900 versus about is to assign products to formulary tiers. This transitional marketplace makes
$1,600 for those in nonadverse-tiered Over the past few years, health care plan some P&T committee decisions more
plans. About half of the adverse-tiered formularies have gone from the typical difcult based upon the myriad of com-
plans had a deductible that was drug- three tiers (i.e., generic, preferred brand, mercial or public plans covered while
specic. CMS has issued various letters nonpreferred brand) to four-, ve-, and maintaining some simplicity for others
regarding cost-sharing and adverse even eight-tier formularies. Most plans that only deal with one type of plan, such
tiering and its intent to conduct outlier have created two tiers for generic drugs, as Medicaid or Medicare. For example,
analysis as part of QHP certication and some have tiers for generic drugs closed or preferential-based formularies
or recertication.2426 The Department used to treat certain conditions, such as may become less favored over more-open
of Health and Human Services exam- diabetes, Parkinsons disease, and epi- formularies depending on the plan type
ples of potentially discriminatory lepsy. The new tiers most often pertain and progress of legal or regulatory change
plan designs include: adverse tiering to higher-cost generics and specialty being implemented around prescription
of HIV prescription drugs; formularies medications. The trend toward more drug coverage. Other similar impacts
or services that fail to meet recognized tiers warrants close attention. may result from the pricing furor in 2016
treatment guidelines or the standard The Medicare Part D approach to leading to fewer-to-no rebates or contract
of care for a certain condition; applying medication access applies to participating incentives through managed care middle-
age limits to services found to be health care insurers. Medicare designates men. Such uncertainty around specics
Figure 5 A Comparison of Circulation Models6 the problem, Dr. Furst said in a personal conversation in
September 2016, is that there is as yet no consensus on treatment
Guytons VR Left Ventricular Biological of these complex hemodynamic states. But what Ince et al.33,34
Model Model Model have offered, based on numerous published phenomenological
observations and quantications of capillary function, is the
rst rational treatment strategy for these conditions.
Schematic Versions
Given the limited scope of this article, we have neces-
sarily presented schematic versions of Dr. Fursts hypo-
theses. Dr. Furst traces the parallel-running evolutionary and
embryonic courses of cardiac development, where in the embryo
and in sh it is clearly evident that venous-type low-pressure
blood ow predominates. In gradually emerging sh-amphibian-
mammalian/two-to-four chamber stages, progress leads to
arterialization and separation of pulmonary and systemic cir-
Flow impeded Power source Systemic and cuits. Only later in warm-blooded mammalian species is a thick
pulmonary left ventricle required to maintain the same basic function of
capillaries
rhythmic ow interruption at signicantly higher pressures
A dening feature of both the classical pressure-propulsion and (to work the valves and eject blood into the respective com-
Guyton models is that the pressure gradient created by the heart partments). The movement of the circulation is created and
is the source of blood propulsion. In Guytons venous return regulated locally at the level of the tissues through metabolic
(VR) model, cardiac output (CO) is predominantly regulated by demand and globally through a dynamic tension between the
the circuit parameters, that is, elastic and resistive properties of lungs supplying of oxygen and its consumption in the tissues.
the blood vessels and blood volume. The right atrial pressure The idea of autonomous movement of blood is seemingly
(Pra) plays a dual role; viewed from the heart, increased Pra radical, but Dr. Furst points out, Conceptually, autonomous
promotes ventricular lling, thereby increasing CO. Viewed from movement of the blood is no different than autonomous con-
the circulation, increased Pra exerts back pressure, impedes traction of the heart, the enterohepatic circulation of bile salts,
venous return, and reduces CO. or the circulation of cerebrospinal uid.2
The left ventricular model assumes that the ow (CO) is limited If this model of autonomous blood ow is conrmed by con-
by the pumps output and is proportional to the gradient tinuing research, it may drive the understanding of circulatory
between the mean aortic and right atrial pressures, and and cardiac function further along in a direction it has been
inversely proportional to peripheral resistance. The blood is taking gradually for some time, at least in the eld of pharmaco-
considered an inert, incompressible uid, and the amount therapy of heart failure. By superseding the propulsion-pump
pumped into the arterial side of the circuit is equal to the model, it may steer researchers away from pharmacological
amount of blood returning at the venous side. and device blind alleys and lead them instead to wide avenues
of discovery and progress in therapy.
The biological model assumes the existence of dynamic
tension between the source of oxygen in the lung and its REFERENCES
sink in the metabolically active tissues. The blood, a liquid
1. Packer M. Unbelievable folly of clinical trials in heart failure:
self-moving organ, bridges this tension and plays a dual role the inconvenient truth about how investigators and guidelines
by delivering oxygen and nutrients to the peripheral tissues, and weigh evidence. Circ Heart Fail 2016;9(4):e002837. doi: 10.1161/
also to itself. The forces for blood propulsion originate at the CIRCHEARTFAILURE.116.002837.
level of the microcirculation. The heart plays a secondary role 2. Furst B. The Heart and Circulation: An Integrative Model. London,
United Kingdom: Springer-Verlag; 2014.
and exerts a negative feedback to the metabolic demands of the 3. Su D, Yan B, Guo L, et al. Intra-aortic balloon pump may grant no
tissues by rhythmic interruption of the blood ow. Its ram-like benet to improve the mortality of patients with acute myocar-
function maintains pressure in the systemic and pulmonary dial infarction in short and long term: an updated meta-analysis.
arterial compartment and carries the rhythm of life. Medicine (Baltimore) 2015;94(19):e876.
4. Doll JA, Sketch MH Jr. ECMO and the intra-aortic balloon pump:
Used with permission from the Journal of Cardiothoracic and Vascular in search of the ideal mechanical circulatory support device.
Anesthesia (December 2015). J Invasive Cardiol 2015;27(10):459460.
5. OConnor CM, Rogers JG. Evidence for overturning the guidelines
in cardiogenic shock. N Engl J Med 2012;367(14):13491350. doi:
that what is good for the macrocirculation is good for the 10.1056/NEJMe1209601.
microcirculation can misre. In septic (endotoxic) shock, 6. Furst B. The heart: pressure-propulsion pump or organ of
excessive use of uids can produce tissue edema; after cardio- impedance? J Cardiothorac Vasc Anesth 2015;29(6):16881701.
pulmonary bypass, excessive uid administration to raise mean doi: 10.1053/j.jvca.2015.02.022.
7. Volkmann AW. Die Hmodynamik. Leipzig, Germany: Breitkopf
arterial pressure can cause hemodilution and tissue edema;
und Hrtel; 1850.
and use of vasopressors (inotropic agents) in cardiogenic 8. Remme WJ, Swedberg K; Task Force for the Diagnosis and Treat-
shock, despite normalizing cardiac index, can lead to increased ment of Chronic Heart Failure, European Society of Cardiology.
mortality. Attention to microcirculatory ow is necessary, and Guidelines for the diagnosis and treatment of chronic heart failure.
Eur Heart J 2001;22(17):15271560.
CARE SUMMIT
Advance the Shift to Value-Based Care, Address Social Determinants
of Health, and Align Services with Managed Care Requirements
NEW
JERSEY
CO-LOCATED WITH:
STATE MEDICAID DIRECTORS:
SHANNON M. CLAUDIA SCHLOSBERG, JD Managed Long Term Services and
MCMAHON, MPA WASHINGTON, D.C. Supports Summit
MARYLAND (Invited)
Medicare Advantage Business
DAVE RICHARD DANIEL TSAI Strategy Summit
NORTH MASSACHUSETTS
CAROLINA Government Programs Summit
5P3FHJTUFS
1MFBTF7JTJUXXXXPSMEDPOHSFTTDPN..$t$BMMt&NBJMXDSFH!XPSMEDPOHSFTTDPN
A Comparison of Medication Histories
Obtained by a Pharmacy Technician Versus
Nurses in the Emergency Department
Marija Markovic, PharmD; A. Scott Mathis, PharmD; Hoytin Lee Ghin, PharmD, BCPS;
Michelle Gardiner, PharmD, BCGP; and Germin Fahim, PharmD, BCPS
Patient arrives
from ambulance
Obtain medication
Charge Nurse
No
Attending Physician
ED = emergency department; LIP = licensed independent practitioner; MAR = medication administration record; PCP = primary care physician.
of time spent on each medication history varies based on the assisting patients who have questions or elding them to the
complexity of the medication list and the available resources. appropriate nurse. The pharmacy technician also attends codes
Generally, each history takes about ve to 30 minutes to com- in the ED in case she might be able to help the medical staff
plete, with an average of 20 to 24 minutes. It is important to obtain a medication.
note that the pharmacy technicians workspace is located in
the high-trafc geriatric ED. As a result, the pharmacy techni-
cian frequently interacts with patients and family members,
Initiatives aimed at reducing opioid misuse and abuse include dependence, and alcohol abuse and dependence. Medical costs
mining claims data to identify patients at high risk for substance started to increase six months before a diagnosis of abuse and
abuse, promoting wearable technologies to improve monitor- continued to accumulate over the next 18 months. Compared
ing of patients with chronic pain, placing limitations on the with the control group, patients in the abuse group incurred
prescribing and dispensing of opioids, and increasing patient costs of $1,000 more a month. Costs arose from inpatient
and provider awareness of alternative pain management options. settings, emergency departments, rehabilitation facilities,
A variety of approachesand a variety of challenges outpatient settings, and prescription drugs. Interestingly, these
emerged from an Academy of Managed Care Pharmacy patients were in treatment for alcohol- and nonopioid-related
(AMCP) Foundation symposium in October 2016 entitled substance abuse but do not appear to have been properly
Balancing Access and Use of Opioid Therapy in National evaluated for opioid use.
Harbor, Maryland. Panelists later recounted some of the ideas If somebody had any prior history of alcohol or any other
they heard that might have the most effect. David Calabrese, substance abuse, Dr. Mayne says, that patient is at high
RPh, MHP, Chief Pharmacy Ofcer for OptumRx, summed risk. And we should think twice about giving that patient an
up the takeaway from the symposium: This is going to take opioid. If they do need an opioid, monitor that patient very, very
a well-coordinated, multidimensional type of solution to truly carefully. And the truth is, we know physicians are not going
impact, in a positive way, this epidemic. to their claims or medical record and looking for that history.
with overall response rates (ORR) of 19.6% and median overall While the cohort size is small, she said the ndings are
survival (OS) of 8.7 months. Both preclinical and clinical data very promising. Dr. Sharma noted that the nivolumab 1-mg/
with the combination of nivolumab, a programmed cell death-1 ipilimumab 3-mg cohort is being expanded to 92 patients.
blockade, and ipilimumab (Yervoy, Bristol-Myers Squibb), a Commenting on a question raised after her presentation
cytotoxic T-lymphocyteassociated antigen-4 blockade, have regarding the possibility of using ipilimumab at 10 mg/kg,
shown improved antitumor activity in advanced melanoma, Dr. Sharma responded, With ipilimumab 3 mg/kg you get
nonsmall-cell lung cancer, and metastatic renal cell carcinoma. the same T-cell activation as with ipilimumab 10 mg/kg.
Dr. Sharma presented rst results from Checkmate 032, Our monitoring showed, however, that ipilimumab 1 mg/kg
the rst trial of combination immunotherapy in mUC. The does not give you the same level of T-cell activation as with
phase 1/2 study compared two dosing strategies of nivolumab 3 mg/kgwhich would not give you the same level of
combined with ipilimumab in patients with previously antitumor response.
treated metastatic disease. Twenty-eight patients received
nivolumab 1 mg/kg plus ipilimumab 3 mg/kg (intravenously
[IV] every three weeks for four cycles) and 104 patients
American Heart Association (AHA)
received nivolumab 3 mg/kg plus ipilimumab 1 mg/kg This years AHA meeting, held November 1216
(IV every three weeks for four cycles), with all receiving main- in New Orleans, attracted approximately 18,000
tenance with nivolumab 3 mg/kg IV every two weeks. The medical professionals from nearly 100 countries. We
primary endpoint was investigator-assessed conrmed ORR. review below key sessions focusing on anticoagulation
Median age was greater in patients in the nivolumab 1-mg/ for peripheral artery disease and for stroke protection in
ipilimumab 3-mg group (50.0% versus 45.2% were 65 years of atrial brillation, cholesterol-lowering strategies, COX-2
age or older). Both groups had approximately 60% of patients inhibitors, and cognitive decline.
treated with two or more prior regimens. Programmed death
ligand-1 expression was higher than 1% in more patients in the Effects of Ticagrelor Compared With Clopidogrel
nivolumab 1-mg/ipilimumab 3-mg group (38.5% versus 28.8%). In Patients With Peripheral Artery Disease
More patients are continuing treatment in the nivolumab
1-mg/ipilimumab 3-mg group (46.2% versus 14.4%). Also in Manesh R. Patel, MD, Associate Professor of Medicine,
that group, discontinuation for disease progression was lower Duke University Medical Center, Durham, North Carolina
(38.5% versus 64.4%). Elevation of alanine aminotransferase and
aspartate aminotransferase levels was greater with the higher EUCLID, a trial designed to test whether long-term
nivolumab dose (17.3%/11.5% versus 0%/0%, respectively). monotherapy for symptomatic peripheral artery disease
Treatment discontinuation rates were 7.7% for nivolumab (PAD) with ticagrelor (Brilinta, AstraZeneca) is superior to
1 mg/ipilimumab 3 mg and 13.5% for nivolumab 3 mg/ clopidogrel in preventing cardiovascular death, myocardial
ipilimumab 1 mg. infarction, or ischemic stroke, found identical combined event
Dr. Sharma said, Grade 34 adverse event rates were around rates for both agents.
30% and very similar for both groups. PAD is associated with both cardiovascular and limb
Its very important to note the overall response rate com- morbidity and mortality, Dr. Patel noted in an AHA press
pared to the 19% with nivolumab monotherapy reported in brieng. He also said that composite cardiovascular death,
Lancet Oncology and the 15% rate previously reported for myocardial infarction, or ischemic stroke with clopidogrel in
atezolizumab, Dr. Sharma said, stating that conrmed ORR the CAPRIE trial (1996) was reduced by 8.7% (P = 0.043) versus
was 38.5% in the nivolumab 1-mg/ipilimumab 3-mg group aspirin. In further research among patients with acute coronary
(95% condence interval [CI], 20.259.4) and 26.0% in the syndromes (ACS), chronic therapy with the antiplatelet agent
nivolumab 3-mg/ipilimumab 1-mg group (95% CI, 17.935.5). ticagrelor demonstrated superiority over clopidogrel for the
Historical controls, she added, are 10% or less. same composite endpoint.
Complete response (3.8% versus 2.9%) and partial response EUCLID investigators enrolled 13,885 symptomatic PAD
rates (34.6% versus 23.1%) were higher with the higher ipilim- patients (811 sites, 28 countries) double-blind to ticagrelor
umab dose regimen. The progressive disease rate, however, 90 mg twice daily or clopidogrel 75 mg once daily. Median
was higher with the lower ipilimumab dose regimen (26.9% age was 66 years, and approximately 28% of the patients were
versus 41.3%). Median tumor change from baseline in the women. Eight percent of the patients had prior stroke, approxi-
target lesion was 27.8% in the nivolumab 1-mg/ipilimumab mately 29% had coronary artery disease, and about 18% had a
3-mg group and 0% in the nivolumab 3-mg/ipilimumab 1-mg prior myocardial infarction. Claudication was mild or moderate
group. While median time to response was similar for both in approximately 53% of patients.
groups (1.4 months), ongoing response rates were higher Reporting the combined primary endpoint, Dr. Patel said
for the higher ipilimumab dose group (80% versus 70%), as that 36-month cardiovascular death, myocardial infarction, or
were the median progression-free survival (4.3 months versus ischemic stroke occurred at an identical rate of 12.5% with both
2.6 months) and median OS rates (10.2 versus 7.3 months). ticagrelor and clopidogrel. While individual components of the
Efcacy with nivolumab 3 mg plus ipilimumab 1 mg did not endpoint were generally similar between groups, ischemic
appear to differentiate from that with nivolumab monotherapy, stroke was more common among patients receiving clopidogrel
Dr. Sharma observed. Nivolumab monotherapy ndings had compared with ticagrelor (2.4% versus 1.9%; P = 0.03). The
been reported previously. rate for major bleeding (measured with the Thrombolysis in
The mean patient age was 63 9.4 years, 74.3% were white, 5.6 years of follow-up. Blood pressurelowering agents and
and 64.1% were female. Aspirin was administered at baseline rosuvastatin, however, did not signicantly prevent cogni-
to 51.1% of patients. The primary diagnosis was rheumatoid tive or functional decline. Study end DSST scores were simi-
arthritis in 10.1% of patients and osteoarthritis in 89.9%. Drug lar for individuals receiving blood pressure medications or
discontinuation rates were similar for all agents (approximately placebo (P = 0.86), statin lowering with rosuvastatin or placebo
69%). (P = 0.38), and the combination of blood pressure and cho-
Dr. Nissen reported that for the APTC endpoint, celecoxib lesterol lowering versus double placebo (P = 0.63). A post hoc
was noninferior to ibuprofen and naproxen in both intention- analysis among 93 patients revealed a positive trend toward
to-treat and in on-treatment analyses. Superiority analyses reduced cognitive decline in those in the highest tertile of
showed a borderline benet for celecoxib versus ibuprofen blood pressure and LDL cholesterol (greater than 145 mm Hg
for time to major adverse cardiovascular events (15%; P = 0.06) and greater than 140 mg/dL, respectively) at baseline. Longer
and for celecoxib versus naproxen for time from randomiza- duration of blood pressure lowering was also associated with
tion to all-cause mortality (25%; P = 0.052). Intention-to-treat less cognitive decline. Both of these ndings, Dr. Bosch
benets for celecoxib in time to major gastrointestinal event emphasized, require further conrmation.
were signicant compared with ibuprofen (54%; P = 0.002) and While anecdotal and observational studies have raised con-
with naproxen (41%; P = 0.01). Also, analysis of the time from cerns that statins may adversely affect cognition and have
randomization to a serious renal event showed a highly signi- led to black box warnings in statin labeling, she said, in this
cant benet for celecoxib versus ibuprofen (64%; P = 0.004). trial, administration of rosuvastatin had no adverse effects on
Dr. Nissen commented, Numerically fewer APTC events occurred cognitive function.
with celecoxib than with naproxen or ibuprofen, meeting all
four noninferiority criteria (P < 0.001).
These ndings challenge the widely held view that naproxen
Effect of Evolocumab on Progression of Coronary
provides superior cardiovascular safety, Dr. Nissen con- Atherosclerosis in Statin-Treated Patients: A
cluded. He added that between-drug differences should be Placebo-Controlled Intravascular Ultrasound Trial
viewed as hypothesis-generating rather than conclusive given
Steven E. Nissen, MD, Cleveland Clinic, Cleveland, Ohio
a multiplicity of issues and the challenges of adherence and
retention in the trial. Statins have been shown to slow progression or induce
regression of coronary disease in proportion to the magnitude
of low-density lipoprotein-cholesterol (LDL-C) reduction in
No Cognitive Decline Benet for intravascular ultrasound (IVUS) trials. The lowest LDL-C
Cholesterol or Blood Pressure in these trials has been about 60 mg/dL, Dr. Nissen said in
Lowering Among the Elderly in HOPE-3 an AHA press conference. He further noted that proprotein
convertase subtilisin/kexin type 9 (PCSK9) targets LDL
Jackie Bosch, PhD, McMaster University, Hamilton, Ontario, receptors for degradation, reducing hepatic removal of LDL-C
Canada from blood. PCSK9 inhibitors induce large LDL-C reduc-
Dementia, vascular cognitive impairment, vascular demen- tions and, when added to statins, allow very low LDL-C levels
tia, and cognitive aging are some of the biggest concerns of our to be reached. Effects on atheroma burden are unknown,
elderly and aging populations. Unfortunately, we dont have however.
any treatments or approaches that actually alter that risk, Evolocumab (Repatha, Amgen), a monoclonal antibody, is
said Ralph Sacco, MD, University of Miami Health System and a PCSK9 inhibitor administered by subcutaneous injection. In
former AHA President, the AHA-appointed discussant for this the Global Assessment of Plaque Regression With a PCSK9
trial. Despite many smaller studies showing strong relation- Antibody as Measured by Intravascular Ultrasound (GLAGOV)
ships between blood pressure, diabetes, and cholesterol control trial, 968 statin-treated patients with established coronary
and decreases in cognitive decline, randomized trials have not heart disease at 226 sites in 32 countries were randomized to
shown signicant reductions in cognitive decline. HOPE-3, evolocumab (420 mg monthly) or placebo for 78 weeks.
he said, is important because it uses a randomized clinical GLAGOV is the rst intravascular outcome trial testing the
trial design to address this question. effects of a PCSK9 inhibitor on the regression or progression
HOPE-3 randomized moderate-risk individuals from of coronary atherosclerosis as measured by intravascular
228 centers in 21 countries to receive either candesartan/ ultrasound. All patients in GLAGOV underwent an IVUS exami-
hydrochlorothiazide or placebo and rosuvastatin or placebo. nation of a single coronary artery during a clinically indicated
Dr. Boschs HOPE-3 trial substudy examined the effect of angiogram at baseline and at study end. The primary efcacy
cholesterol and blood pressure lowering on cognitive decline endpoint was the nominal change in percent atheroma volume
in the subset of 1,626 patients 70 years of age or older. from baseline to the poststudy IVUS.
Participants answered questions relative to decline in Mean patient age was 59.8 9.2 years, and 72% of
processing speed (primary outcome measured by the patients were male. Rates of current smoking and diabe-
Digit Symbol Substitution Test [DSST]), executive tes were 24.3% and 20.6%, respectively. Mean LDL-C was
function, psychomotor speed, functional changes, and 92.6 27.2 mg/dL, mean high-density lipoprotein-cholesterol was
global activity. 46.0 12.8 mg/dL, and median high sensitivity C-reactive
Cognitive and functional decline were observed over the protein was 1.61 mg/L.
Novel Screening Test Sparks diagnoses, which combine cellular, genetic, molecular, and
New Ideas About Old Drugs imaging information with clinical history.
Repurposing standard drugs and rethinking drug combinations The behavioral assessment would include three functional
may lead to more effective ways to combat drug-resistant bacteria, processes most relevant to addiction: altered perception of
according to ndings from a National Institutes of Health study. an object or event or incentive salience (where drug-taking
The researchers developed an assay to screen for effective- makes something seem more attractive or important); negative
ness and used it on 5,170 drugs and other biologically active emotionality (increased negative responses when drugs are
compounds. They identied 25 that suppress the growth of no longer available); and executive functioning (e.g., decits
two strains of Klebsiella pneumoniae that are resistant to most in organizing behavior toward goals).
antibiotics: 11 FDA-approved drugs and 14 drugs still under The assessment framework that we describe recognizes the
investigation, including antibiotics, antifungals, and antiseptics, great advances that continue to be made in our understand-
and an antiviral, antimalarial, and anticancer drug/compound. ing of the neuroscience of addiction, said NIAAA Director
They also looked for combinations of drugs and paired newly George Koob, PhD, a co-author of the review. These advances
identied drugs from the repurposing screen with a standard-of- underscore how much we know about the core neurobiological
care antibiotic that did not work by itself. They found four two- manifestations of addiction in people.
drug combinations that work against K. pneumoniae, meaning Source: National Institutes of Health, October 2016
ineffective antibiotics became active again in the presence of the
second drug. For instance, combining colistin with doxycycline, Flu Vaccine Offers Substantial
both antibiotics, reversed drug resistance. Benets to Diabetes Patients
They also tested three-drug combinations against 10 common Is it safe to give u vaccinations to patients with an impaired
strains of multidrug-resistant bacteria and found three different immune response, such as those with diabetes? The evidence
combinations of broad-acting antibiotics that were effective. For was both sparse and inconclusive, say researchers from Imperial
example, colistin/auranon/ceftazidime and colistin/auranon/ College London. But their seven-year study of 124,503 patients
rifabutin suppressed more than 80% of growth for all 10 strains. with type-2 diabetes suggests substantial benets.
Rifabutin/colistin/imipenem inhibited more than 75% of growth The study covered four periods in each cohort year: pre-
in all of the strains except two Acinetobacter baumannii isolates. inuenza, inuenza season, postinuenza, and summer. The
These results demonstrate that this assay has potential as outcome measures were hospital admissions for acute myocar-
a real-time clinical tool: The results are very promising, said dial infarction (MI), stroke, pneumonia, inuenza, and heart
Wei Zheng, PhD, one of the study authors. We think the test failure, as well as all-cause death.
can eventually help repurpose approved drugs and other com- During the study, there were 5,142 admissions for acute MI;
pounds and nd clinically relevant drug combinations that can 4,515 for stroke; 14,154 for pneumonia or inuenza; 12,915 for
be approved for use in different ways that we have never used heart failure; and 21,070 deaths.
before. Vaccine recipients were older and generally more ill; they
Source: National Institutes of Health, November 2016 had more coexisting conditions and were taking more medi-
cations than nonrecipients. However, vaccination was associ-
Assessing Addiction From Multiple Perspectives ated with signicant reductions in all of the outcomes during
Its time to change addiction assessment and build on the u season. After adjusting for residual confounding, the
advances in neuroscience, say scientists at the National Institute researchers found 19% lower rates of admissions for acute MI,
on Alcohol Abuse and Alcoholism (NIAAA). Theyve proposed 30% for stroke, 22% for heart failure, and 15% for pneumonia
an assessment tool to diagnose addictive disorders that takes or inuenza. The death rate for vaccinated patients was 24%
into account addiction-related behaviors, brain imaging, and lower than for nonrecipients.
genetic data. The Addictions Neuroclinical Assessment could That was during u seasonbut vaccination was also asso-
lead to more effective individualized treatments, they say. ciated with signicantly fewer events during the pre- and
We currently approach addiction diagnosis as a yes or no postinuenza seasons for all outcomes except for acute MI
proposition, said Laura Kwako, PhD, lead author of a review and pneumonia/inuenza in the preinuenza period.
article on the subject. Addictive disorders are typically classi- Concerns about the benets of inuenza vaccination in older
ed by the substance of abuse and the presence or absence of adults and patients with chronic illnesses affect the acceptance
symptoms, such as difculty controlling consumption. By lever- and uptake of vaccination, the researchers note. But their
aging knowledge of the neuroscience to identify a package ndings, they add, underline the importance of inuenza
of assessments, the researchers hope to more precisely iden- vaccination as part of comprehensive secondary prevention
tify different subtypes of addictive disorders. They compare in this high-risk population.
the new assessment tool with those used to tailor cancer Source: Canadian Medical Association Journal, October 2016
Which Cancer Patients Can Best Survive the ICU? A Better Way to Predict
Because cancer is so complex, admitting a patient with cancer Colorectal Cancer Relapse?
to the intensive care unti (ICU) can be challenging triage. Often Carcinoembryonic antigen (CEA) is often used as a marker
the reason for the admission is acute complications related to for relapse in colorectal cancer (CRC). But in as many as 40%
the cancer or its treatment. Understanding how those complica- of recurrences, the serum CEA shows unmeasurable eleva-
tions might affect the patients outcome is critical to planning tions. And some patients with resected CRC have transient
care, gauging use of ICU resources, and counseling patients elevations of CEA levels; the false-positive rate during follow-
and their families. up has been as high as 16%, say researchers from Kaohsiung
Some studies have identied important determinants of mortal- Medical University in Taiwan. They propose a more powerful
ity, but the existing literature is scarce, say researchers who tool: a membrane array-based multigene biomarker assay,
studied outcomes in ICU patients with cancer. or biomarker chip, that detects circulating tumor cells in the
The researchers analyzed data from two cohort studies of peripheral blood.
1,737 patients with solid tumors and 291 with hematological The researchers conducted a study in 298 patients with CRC
malignancies. Of those, 456 (23%) had cancer-related compli- to test that alternative. The patients were enrolled after radical
cations at ICU admission, most frequently chemotherapy and curative resection for primary CRC tumor: 82 were stage I, 102
radiation therapy toxicity, venous thromboembolism (VTE), were stage II, and 114 were stage III. Patients were followed
and respiratory failure by tumor. for a median of 28.4 months, every three months for three
Patients with complications tended to have worse performance years, then every six months. At each follow-up visit, labora-
status scores and active disease. They also were more likely to tory studies included serum CEA levels. Elevated CEA levels
have more severe organ dysfunction, greater need for invasive were dened as two consecutive measurements greater than
support, and infection at ICU admission. 5 ng/mL at a three-month interval.
Complications were more frequent in patients with metastatic During the study period, 48 patients (16.1%) had postopera-
solid tumors, particularly lung and breast cancer (although less tive relapse, and 26 (8.7%) died. Of all 298 patients, 62 (20.8%)
common in patients with gastrointestinal [GI] tumors), and in had a total biomarker chip score higher than the cutoff value.
patients with more aggressive hematological malignancies, espe- Of the 48 who relapsed, 42 (87.5%) showed positive biochip
cially acute leukemia and aggressive non-Hodgkins lymphoma. results prior to relapse.
The study had several major ndings, the researchers say. The positive biochip results were signicantly associated with
First, one in four patients with cancer admitted to the ICU has postoperative relapse. In fact, the biomarker chip was better
acute complications related to the underlying cancer or treatment all around than postoperative serum CEA levels for predicting
side effects. However, while there were many cancer-related relapse: with higher sensitivity (87.5% versus 60.4%), specicity
complications and their prognostic impact was quite variable, (92.0% versus 83.2%), positive predictive value (67.7% versus
and despite high mortality rates, outcome in these patients was 40.8%), negative predictive value (97.5% versus 91.6%), and
better than perceived a priori, the researchers say. accuracy (91.3% versus 79.5%).
High sequential organ failure assessment score on the rst day Moreover, the biochip predicted relapse considerably
of ICU stay, worse performance status, and need for mechanical earlier than did CEA levels (10.7 versus 2.8 months). The
ventilation were all independent predictors of mortality, which is researchers note that CRC-related deaths are largely attribut-
in accord with current literature. However, among the individual able to clinical relapse. The sooner a relapse is diagnosed, the
cancer-related complications studied, only vena cava syndrome, more amenable the tumor may be to resection, increasing the
GI involvement, and respiratory failure were independently likelihood of long-term survival.
associated with in-hospital mortality. A substantial mortality In sum, the biomarker chip would be a more accurate tool
rate (73%) among patients with GI involvement emphasizes the for predicting relapse, the researchers say. They also suggest
importance of discussing the appropriateness of ICU admission that, in clinical practice, combining the two tests could enhance
in these patients, the researchers caution. Although VTE was condence in the diagnosis.
one of the most common complications, it was not a major Source: PLOS One, October 2016
determinant of outcome.
Another important point, the researchers note, was the high
frequency of chemotherapy- and radiation therapy-induced
toxicity. Treatment-related neutropenia is not a good predictor
of outcome, they say, because research has found it is not a
relevant predictor of mortality.
Source: PLOS One, October 2016
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References: 1. Rapivab [package insert]. Durham, NC: BioCryst Pharmaceuticals, Inc; 2014. 2. Kohno S, Kida H, Mizuguchi M, Shimada J; S-021812 Clinical Study
Group. Efficacy and safety of intravenous peramivir for treatment of seasonal influenza virus infection. Antimicrob Agents Chemother. 2010;54(11):4568-4574.
doi:10.1128/AAC.00474-10.
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