Pheniprazine

Pheniprazine
Clinical data

Routes of administration	Oral
ATC code	none
Legal status
Legal status	Uncontrolled
Identifiers
IUPAC name (1-methyl-2-phenyl-ethyl)hydrazine
CAS Number	55-52-7^N
PubChem (CID)	5929
ChemSpider	5716^Y
UNII	37VKD7067M^Y
ChEMBL	CHEMBL22498^Y
ECHA InfoCard	100.000.215
Chemical and physical data
Formula	C₉H₁₄N₂
Molar mass	150.22 g/mol
InChI InChI=1S/C9H14N2/c1-8(11-10)7-9-5-3-2-4-6-9/h2-6,8,11H,7,10H2,1H3^Y Key:VXTWEDPZMSVFEF-UHFFFAOYSA-N^Y
^NY (what is this?) (verify)

Pheniprazine (Catron, Cavodil) is an irreversible and nonselective monoamine oxidase inhibitor (MAOI) of the hydrazine chemical class that was used as an antidepressant in the 1960s.^[1]^[2]^[3] It was also used in the treatment of angina pectoris and schizophrenia.^[4]^[5] Pheniprazine has been largely discontinued due to toxicity concerns such as jaundice, amblyopia, and optic neuritis.^[6]^[7]^[8]

References

↑ LEAR TE, BROWNE MW, GREEVES JA (November 1962). "A controlled trial of cavodil (pheniprazine) in depression". J Ment Sci. 108: 856–58. PMID 13928843.
↑ Fagervall I, Ross SB (April 1986). "Inhibition of monoamine oxidase in monoaminergic neurones in the rat brain by irreversible inhibitors". Biochemical pharmacology. 35 (8): 1381–7. doi:10.1016/0006-2952(86)90285-6. PMID 2870717.
↑ EBERSON LE, PERSSON K (July 1962). "Studies on Monoamine Oxidase Inhibitors. 1. The Autoxidation of beta-Phenylisopropylhydrazine as a Model Reaction for Irreversible Monoamine Oxidase Inhibition.". J Med Pharm Chem. 91: 738–52. PMID 14056405.
↑ SANDLER G (March 1961). "Clinical evaluation of pheniprazine in angina pectoris". Br Med J. 1 (5228): 792–4. doi:10.1136/bmj.1.5228.792. PMC 1953879. PMID 13746179.
↑ WICKSTROM L, HAHN N (September 1962). "[beta-Phenylisoprophlhydrazine (Catran) in schizophrenia.]". Nord Med (in Swedish). 68: 1165–7. PMID 14000469.
↑ FENTEM PH, HOWITT G (December 1961). "Fatal jaundice after administration of pheniprazine". Br Med J. 2 (5267): 1616–7. doi:10.1136/bmj.2.5267.1616. PMC 1970739. PMID 13892290.
↑ FRANDSEN E (1962). "Toxic amblyopia during antidepressant treatment with pheniprazine (Catran)". Acta Psychiatr Scand. 38: 1–14. doi:10.1111/j.1600-0447.1962.tb01780.x. PMID 13894598.
↑ THOMSEN NJ (January 1963). "[Optic neuritis after treatment with Catran.]". Ugeskrift for Læger (in Danish). 125: 138–9. PMID 13981222.

Antidepressants (N06A)

Specific reuptake inhibitors and/or receptor modulators

SSRIs	Citalopram Escitalopram Fluoxetine^# Fluvoxamine Indalpine^‡ Paroxetine Sertraline Zimelidine^‡

SNRIs	Desvenlafaxine Duloxetine Levomilnacipran Milnacipran Tofenacin Venlafaxine

NRIs	Atomoxetine Reboxetine Viloxazine

NDRIs	Amineptine^‡ Bupropion Nomifensine^‡

NaSSAs	Mianserin Mirtazapine Setiptiline

SARIs	Etoperidone Nefazodone^‡ Trazodone

SMSs	Vilazodone Vortioxetine

Others	Agomelatine Amisulpride Amitriptyline/perphenazine Buprenorphine Bupropion Etryptamine^‡ Flupentixol/melitracen Esketamine Ketamine Indeloxazine Lurasidone Medifoxamine^‡ Metryptamine^‡ Olanzapine/fluoxetine Oxaflozane^‡ Quetiapine Tandospirone Teniloxazine Tianeptine Tranylcypromine/trifluoperazine

Tricyclic and tetracyclic antidepressants

TCAs	Amineptine^‡ Amitriptyline^# Amitriptylinoxide Butriptyline^‡ Clomipramine^# Demexiptiline^‡ Desipramine Dibenzepin Dimetacrine^‡ Dosulepin Doxepin Imipramine Imipraminoxide^‡ Iprindole^‡ Lofepramine Melitracen Metapramine^‡ Nitroxazepine Nortriptyline Noxiptiline Opipramol Pipofezine Propizepine^‡ Protriptyline Quinupramine^‡ Tianeptine Trimipramine

TeCAs	Amoxapine Maprotiline Mianserin Mirtazapine Setiptiline

Others	Tiazesim

Monoamine oxidase inhibitors

Non-selective	Irreversible: Benmoxin^‡ Iproclozide^‡ Iproniazid^‡ Isocarboxazid Mebanazine^‡ Nialamide^‡ Octamoxin^‡ Phenelzine Pheniprazine^‡ Phenoxypropazine^‡ Pivhydrazine^‡ Safrazine^‡ Tranylcypromine Reversible: Caroxazone^‡

MAO_A-selective	Reversible: Bifemelane Eprobemide Metralindole Minaprine^‡ Moclobemide Pirlindole Tetrindole Toloxatone

MAO_B-Selective	Irreversible: Selegiline

Adjunctive therapies

Atypical antipsychotics (aripiprazole, lurasidone, olanzapine, quetiapine) Buspirone Lithium (lithium carbonate, lithium citrate) Thyroid hormones (triiodothyronine (T₃), levothyroxine (T₄))

Miscellaneous

Ademetionine (SAMe) Hypericum perforatum (St. John's Wort) Oxitriptan (5-HTP) Tryptophan

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

Anxiolytics (N05B)

5-HT_1A agonists	Buspirone Tandospirone

GABA_AR PAMs	Benzodiazepines: Adinazolam Alprazolam Bromazepam Camazepam Chlordiazepoxide Clobazam Clonazepam Clorazepate Clotiazepam Cloxazolam Diazepam^# Ethyl loflazepate Etizolam Fludiazepam Halazepam Ketazolam Lorazepam^# Medazepam Nordazepam Oxazepam Pinazepam Prazepam Others: Alpidem^‡ Barbiturates Carbamates Chlormezanone^‡ Ethanol Etifoxine; Herbs: Kava Skullcap Valerian

α₂δ VDCC blockers	Gabapentin Gabapentin enacarbil Phenibut Pregabalin

Antidepressants	SSRIs SNRIs SARIs TCAs TeCAs MAOIs; Others: Agomelatine Bupropion Vilazodone Vortioxetine

Sympatholytics	Beta blockers (e.g., propranolol) Clonidine Dexmedetomidine Guanfacine Prazosin

Others	Benzoctamine Cannabidiol Cycloserine Fabomotizole Hydroxyzine Kanna Lavender Lorpiprazole Mebicar Mepiprazole Nicotine Opipramol Oxaflozane^‡ Phenaglycodol Phenibut Picamilon Selank Tiagabine Tofisopam Validolum

Monoamine metabolism modulators

Common
(non-specific)

AAAD

MAO

Inhibitors: Non-selective: Benmoxin Caroxazone Echinopsidine Furazolidone Guineesine Hydralazine Indantadol Iproclozide Iproniazid Isocarboxazid Isoniazid Linezolid Mebanazine Metfendrazine Nialamide Octamoxin Paraxazone Phenelzine Pheniprazine Phenoxypropazine Pivhydrazine Procarbazine Safrazine Tranylcypromine

Inhibitors: MAO-A-selective: Amiflamine Bazinaprine Befloxatone Brofaromine Cimoxatone Clorgiline CX157 (Tyrima) Eprobemide Esuprone Harmala alkaloids (e.g., harmine, harmaline, harman, norharman, tetrahydroharmine) Methylene blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone

Inhibitors: MAO-B selective: Almoxatone D-Deprenyl Ethanol Ladostigil Lazabemide Milacemide Mofegiline Nicotine Pargyline^‡ Rasagiline Safinamide Selegiline (L-Deprenyl)

Phenethylamines
(dopamine, epinephrine,
norepinephrine)

PAH	Inhibitors: 3,4-Dihydroxystyrene

TH	Inhibitors: 2-Hydroxyestradiol 2-Hydroxyestrone 3-Iodotyrosine Aquayamycin Bulbocapnine Metirosine Oudenone

DBH	Inhibitors: Bupicomide Disulfiram Dopastin Fusaric acid Nepicastat Phenopicolinic acid Tropolone

PNMT	Inhibitors: CGS-19281A SKF-64139 SKF-7698

COMT	Inhibitors: 2-Hydroxyestradiol 2-Hydroxyestrone Entacapone Nitecapone Tolcapone

Tryptamines
(serotonin, melatonin)

TPH	Inhibitors: AGN-2979 Fenclonine (PCPA) Telotristat

See also: Adrenergics • Dopaminergics • Melatonergics • Serotonergics • Monoamine reuptake and release modulators • Monoamine neurotoxins

Hydrazines

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