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HRP20210448T1 - Monoklonsko antitijelo protiv ctla4 ili njegov antigen-vezujući fragment, medicinski pripravak i uporaba - Google Patents

Monoklonsko antitijelo protiv ctla4 ili njegov antigen-vezujući fragment, medicinski pripravak i uporaba Download PDF

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Publication number
HRP20210448T1
HRP20210448T1 HRP20210448TT HRP20210448T HRP20210448T1 HR P20210448 T1 HRP20210448 T1 HR P20210448T1 HR P20210448T T HRP20210448T T HR P20210448TT HR P20210448 T HRP20210448 T HR P20210448T HR P20210448 T1 HRP20210448 T1 HR P20210448T1
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binding fragment
antigen
antibody
seq
human
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HRP20210448TT
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Baiyong Li
Yu Xia
Zhongmin Wang
Peng Zhang
Xinghua PANG
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Akeso Biopharma Inc.
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Publication of HRP20210448T1 publication Critical patent/HRP20210448T1/hr

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    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
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    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • C07K16/2818Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against CD28 or CD152
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/395Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/395Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • A61K39/39533Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals
    • A61K39/39541Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals against normal tissues, cells
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    • C07K16/2896Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against molecules with a "CD"-designation, not provided for elsewhere
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    • G01MEASURING; TESTING
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    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
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    • G01N33/577Immunoassay; Biospecific binding assay; Materials therefor involving monoclonal antibodies binding reaction mechanisms characterised by the use of monoclonal antibodies; monoclonal antibodies per se are classified with their corresponding antigens
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    • C07ORGANIC CHEMISTRY
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    • G01N2333/705Assays involving receptors, cell surface antigens or cell surface determinants
    • G01N2333/70503Immunoglobulin superfamily, e.g. VCAMs, PECAM, LFA-3
    • G01N2333/70521CD28, CD152

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Claims (14)

1. Antitijelo ili njegov antigen-vezujući fragment koji se veže za ljudski CTLA4, izabran iz grupe koja se sastoji od: (a) antitijela ili njegovog antigen-vezujućeg fragmenta koji sadrži varijabilnu regiju teškog lanca sekvence SEQ ID NO: 14 i varijabilnu regiju lakog lanca sekvence SEQ ID NO: 16; i (b) antitijela ili njegovog antigen-vezujućeg fragmenta koji sadrži varijabilnu regiju teškog lanca sekvence SEQ ID NO: 14 i varijabilnu regiju lakog lanca sekvence SEQ ID NO: 16, pri čemu u sekvenci SEQ ID NO: 14 na poziciji 18, metionin može biti supstituiran aminokiselinom izabranom iz grupe koja se sastoji od: leucina, valina, izoleucina i alanina.
2. Antitijelo ili antigen-vezujući fragment prema patentnom zahtjevu 1, naznačeno time što je metionin na poziciji 18 u SEQ ID NO: 14 supstituiran leucinom, a varijabilna regija lakog lanca ima sekvencu SEQ ID NO: 16.
3. Antitijelo ili njegov antigen-vezujući fragment prema patentnim zahtjevima 1 ili 2, koje predstavlja humanizirano antitijelo ili njegov antigen-vezujući fragment.
4. Antitijelo ili njegov antigen-vezujući fragment prema bilo kojem od patentnih zahtjeva 1-3, naznačeno time što se antitijelo ili njegov antigen-vezujući fragment veže za ljudski CTLA4 sa KD manjom od oko 10-5 M, određeno rezonancom površinskog plazmona.
5. Antitijelo ili njegov antigen-vezujući fragment prema bilo kojem od patentnih zahtjeva 1-4, naznačeno time što antitijelo ili njegov antigen-vezujući fragment: (a) blokira vezanje ljudskog CTLA4 za ljudski B7; (b) regulira aktivnost ljudskog CTLA4; (c) ublažava imunosupresiju na tijelo ljudskim CTLA4; (d) aktivira T limfocite, i/ili (e) povećava ekspresiju IL-2 u T limfocitima.
6. Jedna ili više izoliranih molekula nukleinske kiseline koje kodiraju antitijelo ili antigen-vezujući fragment prema patentnom zahtjevu 1.
7. Jedna ili više izoliranih molekula nukleinske kiseline prema patentnom zahtjevu 6, naznačene time što jedna ili više izoliranih molekula nukleinske kiseline imaju nukleotidnu sekvencu kako je navedeno u SEQ ID NO: 13 ili SEQ ID NO: 15.
8. Vektor koji sadrži izoliranu molekulu nukleinske kiseline prema patentnom zahtjevu 6.
9. Stanica-domaćin koja sadrži vektor prema patentnom zahtjevu 9.
10. Postupak za pripremu antitijela ili njegovog antigen-vezujućeg fragmenta prema bilo kojem od patentnih zahtjeva 1 do 4, koji obuhvaća korake kultivacije stanice-domaćina prema patentnom zahtjevu 8 pod pogodnim uvjetima i izdvajanje antitijela ili njegovog antigen-vezujućeg fragmenta iz stanične kulture.
11. Farmaceutski pripravak koji sadrži antitijelo ili njegov antigen-vezujući fragment prema bilo kojem od patentnih zahtjeva 1-5 i farmaceutski prihvatljiv nosač i/ili ekscipijent.
12. Antitijelo ili njegov antigen-vezujući fragment prema bilo kojem od patentnih zahtjeva 1 do 5 za uporabu u postupku za liječenje raka, kao što je melanom, tumor bubrega/renalni tumor, rak prostate, rak mjehura, rak debelog crijeva, rak gastrointestinalnog trakta, i/ili rak jetre/hepatični rak kod ljudskog subjekta.
13. Antitijelo ili njegov antigen-vezujući fragment prema bilo kojem od patentnih zahtjeva 1 do 5 za uporabu u postupku za liječenje limfoma.
14. In vitro postupak koji obuhvaća korake primjene na stanice efikasne količine antitijela ili njegovog antigen-vezujućeg fragmenta prema bilo kojem od patentnih zahtjeva 1 do 5, naznačen time što je postupak odabran od sljedećeg: (a) postupka za detekciju nivoa CTLA4 u uzorku, (b) postupka za blokiranje vezanja ljudskog CTLA4 za ljudski B7, (c) postupka za reguliranje aktivnosti ljudskog CTLA4 ili nivoa ljudskog CTLA4, (d) postupka za ublažavanje imunosupresije na tijelu ljudskim CTLA4, (e) postupka za aktivaciju T limfocita, ili (f) postupka za povećanje ekspresije IL-2 u T limfocitima.
HRP20210448TT 2014-08-01 2021-03-17 Monoklonsko antitijelo protiv ctla4 ili njegov antigen-vezujući fragment, medicinski pripravak i uporaba HRP20210448T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410377352.9A CN105296433B (zh) 2014-08-01 2014-08-01 一种ctla4抗体、其药物组合物及其用途
EP15827441.5A EP3176181B1 (en) 2014-08-01 2015-07-31 Anti-ctla4 monoclonal antibody or antigen binding fragment thereof, medicinal composition and use
PCT/CN2015/085721 WO2016015675A1 (zh) 2014-08-01 2015-07-31 抗ctla4的单克隆抗体或其抗原结合片段、药物组合物及用途

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HRP20210448T1 true HRP20210448T1 (hr) 2021-05-28

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US (3) US10449251B2 (hr)
EP (2) EP3858861A1 (hr)
JP (2) JP6514774B2 (hr)
KR (1) KR102017396B1 (hr)
CN (3) CN105296433B (hr)
AP (1) AP2017009762A0 (hr)
AU (2) AU2015295936C1 (hr)
CA (1) CA2956000C (hr)
CL (1) CL2017000250A1 (hr)
CO (1) CO2017000754A2 (hr)
CR (1) CR20170033A (hr)
CY (1) CY1124190T1 (hr)
DK (1) DK3176181T3 (hr)
DO (1) DOP2017000031A (hr)
EA (1) EA036396B1 (hr)
EC (1) ECSP17012781A (hr)
ES (1) ES2857509T3 (hr)
GE (1) GEP20207166B (hr)
HR (1) HRP20210448T1 (hr)
HU (1) HUE053719T2 (hr)
IL (1) IL250321B (hr)
LT (1) LT3176181T (hr)
MA (2) MA55868A (hr)
MD (1) MD4795C1 (hr)
MX (2) MX2017001446A (hr)
MY (1) MY192822A (hr)
NI (1) NI201700008A (hr)
NZ (1) NZ729158A (hr)
PE (1) PE20170772A1 (hr)
PH (1) PH12017500190A1 (hr)
PL (1) PL3176181T3 (hr)
PT (1) PT3176181T (hr)
RS (1) RS61590B1 (hr)
SG (1) SG11201700819QA (hr)
SI (1) SI3176181T1 (hr)
TN (1) TN2017000010A1 (hr)
UA (1) UA119570C2 (hr)
WO (1) WO2016015675A1 (hr)
ZA (1) ZA201700528B (hr)

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