Pholedrine

Pholedrine
Clinical data
Trade names	Paredrinol, Presoitan, Pulsotyl, Veritain, Veritol
Other names	4-Hydroxy-N-methylamphetamine; 4-HMA; 4-Hydroxymethamphetamine; para-Hydroxymethamphetamine; PHMA; Hydroxymethamphetamine
Routes of; administration	Topical (ocular)
Identifiers
	IUPAC name 4-[2-(Methylamino)propyl]phenol;
CAS Number	370-14-9 ;
PubChem CID	4655;
DrugBank	DBMET00735;
ChemSpider	4494 ;
UNII	AY28O44JGD;
KEGG	D08370 ;
ChEBI	CHEBI:134798;
ChEMBL	ChEMBL2008672;
CompTox Dashboard (EPA)	DTXSID70861908 ;
ECHA InfoCard	100.006.114
Chemical and physical data
Formula	C10H15NO
Molar mass	165.236 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES Oc1ccc(cc1)CC(NC)C;
	InChI InChI=1S/C10H15NO/c1-8(11-2)7-9-3-5-10(12)6-4-9/h3-6,8,11-12H,7H2,1-2H3 ; Key:SBUQZKJEOOQSBV-UHFFFAOYSA-N ;
	(verify)

Pholedrine, also known as 4-hydroxy-N-methylamphetamine and sold under the brand names Paredrinol, Pulsotyl, and Veritol among others, is a sympathomimetic drug used in topical eye drops to dilate the pupil.^[1]^[2]^[3] It can be used to diagnose Horner's syndrome.^[3]

In 2004, it remained marketed only in Germany.^[1]

Pharmacology

Pharmacodynamics

Pholedrine is described as a sympathomimetic, antihypotensive, and ephedrine-like agent.^[4]^[1]^[5]

Chemistry

Pholedrine, also known as 4-hydroxy-N-methylamphetamine, is a substituted phenethylamine and amphetamine derivative.^[4]^[1] It is structurally related to methamphetamine (N-methylamphetamine), norpholedrine (4-hydroxyamphetamine), oxilofrine (4,β-dihydroxy-N-methylamphetamine), and tyramine (4-hydroxyphenethylamine).

It is used pharmaceutically as the sulfate salt.^[1]^[4]

The predicted log P of pholedrine ranges from 1.12 to 1.7.^[2]^[6]^[7]

History

Pholedrine was synthesized by 1951.^[4]

Society and culture

Names

Pholedrine is the generic name of the drug and its INNTooltip International Nonproprietary Name, BANTooltip British Approved Name, and DCFTooltip Dénomination Commune Française, while foledrina is its DCITTooltip Denominazione Comune Italiana.^[4]^[1]^[5] The drug has been sold under brand names including Pholedrin Liquidum, Pholedrin-Longo-Isis, Presoitan, Veritain, and Veritol among others.^[4]^[1]

Other drugs

Pholedrine (4-hydroxymethamphetamine) is also a major metabolite of methamphetamine.

References

^ ^a ^b ^c ^d ^e ^f ^g Schweizerischer Apotheker-Verein (2004). Index Nominum: International Drug Directory. Medpharm Scientific Publishers. p. 969. ISBN 978-3-88763-101-7. Retrieved 30 August 2024.
^ ^a ^b "Pholedrine". National Library of Medicine. Retrieved 24 June 2023.
^ ^a ^b Bates AT, Chamberlain S, Champion M, Foley L, Hughes E, Jani B, et al. (February 1995). "Pholedrine: a substitute for hydroxyamphetamine as a diagnostic eyedrop test in Horner's syndrome". Journal of Neurology, Neurosurgery, and Psychiatry. 58 (2): 215–217. doi:10.1136/jnnp.58.2.215. PMC 1073320. PMID 7876854.
^ ^a ^b ^c ^d ^e ^f Elks J (2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer US. p. 794. ISBN 978-1-4757-2085-3. Retrieved 30 August 2024.
^ ^a ^b Morton IK, Hall JM (2012). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Netherlands. p. 219. ISBN 978-94-011-4439-1. Retrieved 30 August 2024.
^ "Metabolite 4-hydroxymethamphetamine". DrugBank Online. Retrieved 30 August 2024.
^ "Pholedrine". ChemSpider. 21 July 2022. Retrieved 30 August 2024.

[IndexNominum2004-1] ^ ^a ^b ^c ^d ^e ^f ^g Schweizerischer Apotheker-Verein (2004). Index Nominum: International Drug Directory. Medpharm Scientific Publishers. p. 969. ISBN 978-3-88763-101-7. Retrieved 30 August 2024.

[PubChem-2] "Pholedrine". National Library of Medicine. Retrieved 24 June 2023.

[BatesChamberlainChampion1995-3] Bates AT, Chamberlain S, Champion M, Foley L, Hughes E, Jani B, et al. (February 1995). "Pholedrine: a substitute for hydroxyamphetamine as a diagnostic eyedrop test in Horner's syndrome". Journal of Neurology, Neurosurgery, and Psychiatry. 58 (2): 215–217. doi:10.1136/jnnp.58.2.215. PMC 1073320. PMID 7876854.

[Elks2014-4] ^ ^a ^b ^c ^d ^e ^f Elks J (2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer US. p. 794. ISBN 978-1-4757-2085-3. Retrieved 30 August 2024.

[MortonHall2012-5] Morton IK, Hall JM (2012). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Netherlands. p. 219. ISBN 978-94-011-4439-1. Retrieved 30 August 2024.

[DrugBank-6] "Metabolite 4-hydroxymethamphetamine". DrugBank Online. Retrieved 30 August 2024.

[ChemSpider-7] "Pholedrine". ChemSpider. 21 July 2022. Retrieved 30 August 2024.

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v t e Ophthalmologicals: mydriasis and cycloplegia (S01F)
Anticholinergics/antimuscarinics	Atropine Scopolamine Methylscopolamine Cyclopentolate Homatropine Tropicamide (+phenylephrine)
Sympathomimetics	Ephedrine Hydroxyamphetamine (norpholedrine) Ibopamine Phenylephrine (+ketorolac) Pholedrine

v t e Phenethylamines
Phenethylamines	Psychedelics: 25B-NBOMe 25C-NBOMe 25D-NBOMe 25I-NBOMe 25N-NBOMe 2C-B 2C-B-AN 2C-Bn 2C-Bu 2C-C 2C-CN 2C-CP 2C-D 2C-E 2C-EF 2C-F 2C-G 2C-G-1 2C-G-2 2C-G-3 2C-G-4 2C-G-5 2C-G-6 2C-G-N 2C-H 2C-I 2C-iP 2C-N 2C-NH2 2C-O 2C-O-4 2C-P 2C-Ph 2C-SE 2C-T 2C-T-2 2C-T-3 2C-T-4 2C-T-5 2C-T-6 2C-T-7 2C-T-8 2C-T-9 2C-T-10 2C-T-11 2C-T-12 2C-T-13 2C-T-14 2C-T-15 2C-T-16 2C-T-17 2C-T-18 2C-T-19 2C-T-20 2C-T-21 2C-T-22 2C-T-22.5 2C-T-23 2C-T-24 2C-T-25 2C-T-27 2C-T-28 2C-T-30 2C-T-31 2C-T-32 2C-T-33 2C-TFE 2C-TFM 2C-YN 2C-V Allylescaline DESOXY Escaline Isoproscaline Jimscaline Macromerine MEPEA Mescaline Metaescaline Methallylescaline Proscaline Psi-2C-T-4 TCB-2 Stimulants: Phenylethanolamine Hordenine Phenethylamine Phenpromethamine α-Methylphenethylamine (amphetamine) β-Methylphenethylamine m-Methylphenethylamine N-Methylphenethylamine o-Methylphenethylamine p-Methylphenethylamine Methylphenidate Entactogens: Lophophine MDPEA MDMPEA Others: BOH DMPEA
Amphetamines	Psychedelics: 3C-AL 3C-BZ 3C-E 3C-MAL 3C-P Aleph Beatrice Bromo-DragonFLY D-Deprenyl DMA DMCPA DMMDA DOB DOC DOEF DOET DOI DOM DON DOPR DOTFM Ganesha MMDA MMDA-2 Psi-DOM TMA TeMA ZDCM-04 Stimulants: 2-FA 2-FMA 3-FA 3-FMA Acridorex Alfetamine Amfecloral Amfepentorex Amphetamine (Dextroamphetamine, Levoamphetamine) Amphetaminil Benfluorex Benzphetamine Cathine Clobenzorex Dimethylamphetamine Ephedrine Etilamfetamine Fencamfamin Fencamine Fenethylline Fenfluramine (Dexfenfluramine, Levofenfluramine) Fenproporex Flucetorex Fludorex Formetorex Furfenorex Gepefrine 4-Hydroxyamphetamine Iofetamine Isopropylamphetamine Lefetamine Lisdexamfetamine Mefenorex Metaraminol Methamphetamine (Dextromethamphetamine, Levomethamphetamine) Methoxyphenamine MMA Morforex Norfenfluramine L-Norpseudoephedrine N,alpha-Diethylphenylethylamine Oxifentorex Oxilofrine Ortetamine PBA PCA PFA PFMA PIA PMA PMEA PMMA Phenylpropanolamine Pholedrine Prenylamine Propylamphetamine Pseudoephedrine Sibutramine Tiflorex Tranylcypromine Xylopropamine Zylofuramine Entactogens: 4-FA 4-FMA 4-MA 4-MMA 4-MTA 5-APB 5-APDB 5-EAPB 5-IT 5-MAPB 5-MAPDB 6-APB 6-APDB 6-Chloro-MDMA 6-EAPB 6-IT 6-MAPB 6-MAPDB EDA IAP 2,3-MDA 3,4-MDA (tenamfetamine) MDEA MDHMA MDMA (midomafetamine) MDOH Methamnetamine MMDMA Naphthylaminopropane TAP Others: 3,4-DCA Amiflamine DiFMDA Selegiline (also D-Deprenyl)
Phentermines	Stimulants: Chlorphentermine Cloforex Clortermine Etolorex Mephentermine Pentorex Phentermine Entactogens: MDPH MDMPH Others: Cericlamine
Cathinones	Stimulants: 3-FMC 4-MC 4-BMC 4-CMC 4-EMC 4-FMC 4-MEC 4-MeMABP 4-MPD Amfepramone Benzedrone Brephedrone Buphedrone Bupropion Cathinone Dimethylcathinone Ethcathinone Eutylone Hydroxybupropion Methcathinone Methedrone NEB N-Ethylhexedrone N-Ethylpentedrone Pentedrone Pentylone Radafaxine Entactogens: 3,4-DMMC 3-MMC Butylone Ethylone Methylone Methylenedioxycathinone Mephedrone
Phenylisobutylamines	Entactogens: 4-CAB 4-MAB Ariadne BDB Butylone EBDB Eutylone MBDB Stimulants: Phenylisobutylamine
Phenylalkylpyrrolidines	Stimulants: α-PBP α-PHP α-PPP α-PVP MDPBP MDPPP MDPV 4-MePBP 4-MePHP 4-MePPP MOPPP MOPVP MPBP MPHP MPPP Naphyrone PEP Prolintane Pyrovalerone
Catecholamines (and close relatives)	6-FNE 6-OHDA a-Me-DA a-Me-TRA Adrenochrome Ciladopa D-DOPA (Dextrodopa) Dimetofrine Dopamine Epinephrine Epinine Etilefrine Ethylnorepinephrine Fenclonine Ibopamine Isoprenaline Isoetarine L-DOPA (Levodopa) L-DOPS (Droxidopa) L-Phenylalanine L-Tyrosine m-Tyramine Metanephrine Metaraminol Metaterol Metirosine Methyldopa N,N-Dimethyldopamine Nordefrin (Levonordefrin) Norepinephrine Norfenefrine (m-Octopamine) Normetanephrine Orciprenaline p-Octopamine p-Tyramine Phenylephrine Synephrine
Miscellaneous	AL-LAD Amidephrine Arbutamine Cafedrine Denopamine Desvenlafaxine Diphenidine Dizocilpine Dobutamine Dopexamine Ephenidine Etafedrine ETH-LAD Famprofazone Fluorolintane Hexapradol IP-LAD Lysergic acid amide Lysergic acid 2-butyl amide Lysergic acid 2,4-dimethylazetidide Lysergic acid diethylamide Methoxamine Methoxphenidine MT-45 PARGY-LAD Phenibut PRO-LAD Pronethalol Salbutamol (Levosalbutamol) Solriamfetol Theodrenaline Thiamphenicol UWA-101 Venlafaxine