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Lazabemide

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Chemical compound

Pharmaceutical compound

Lazabemide
Clinical data

Routes of administration	Oral
ATC code	none
Legal status
Legal status	Development terminated
Identifiers
IUPAC name N-(2-aminoethyl)-5-chloro-pyridine-2-carboxamide
CAS Number	103878-84-8
PubChemCID	71307
IUPHAR/BPS	6640
ChemSpider	64426
UNII	420HD787N9
KEGG	D04681
CompTox Dashboard(EPA)	DTXSID2048294
Chemical and physical data
Formula	C₈H₁₀ClN₃O
Molar mass	199.64 g·mol⁻¹

Lazabemide (proposed trade namesPakio,Tempium) is areversible andselective inhibitor ofmonoamine oxidase B (MAO-B) that was under development as anantiparkinsonian agent but was never marketed.^[1]

References

[edit]

^Henriot S, Kuhn C, Kettler R, Da Prada M (1994). "Lazabemide (Ro 19-6327), a reversible and highly sensitive MAO-B inhibitor: Preclinical and clinical findings". In Tipton KF, Youdim MB, Barwell CJ, Callingham BA, Lyles GA (eds.).Amine Oxidases: Function and Dysfunction. Proceedings of the 5th International Amine Oxidase Workshop, Galway, Ireland, August 22–25, 1992. Journal of Neural Transmission. Supplementum. Vol. 41. pp. 321–325.doi:10.1007/978-3-7091-9324-2_42.ISBN 978-3-211-82521-1.PMID 7931245.

Antiparkinson agents (N04)

Dopaminergics

DA precursors	Levodopa^# (+benserazide,+carbidopa,+carbidopa/entacapone) Foslevodopa (+foscarbodipa) Melevodopa (+carbidopa)
DA receptor agonists	Ergoline:Bromocriptine Cabergoline Dihydroergocryptine Lisuride Pergolide Non-ergoline:Apomorphine Piribedil Pramipexole Ropinirole Rotigotine Talipexole
MAO-B inhibitors	Rasagiline Safinamide Selegiline
COMT inhibitors	Entacapone Opicapone Tolcapone
AAAD inhibitors	Benserazide (+levodopa) Carbidopa^# (+carbidopa,+melevodopa,+carbidopa/entacapone) Foscarbidopa (+foslevodopa)

Anticholinergics

Others

Adamantanes (e.g.,amantadine,memantine,rimantadine)
Adenosine receptor antagonists (e.g.,caffeine,istradefylline)
Budipine

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^‡Withdrawn from market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

Monoamine metabolism modulators

Non-specific

AAADTooltip Aromatic L-amino acid decarboxylase

Substrates→Products:L-DOPA (levodopa)→Dopamine
5-HTP→Serotonin
L-Histidine→Histamine
Phenylalanine→Phenethylamine
L-Tyrosine→Tyramine
Tryptophan→Tryptamine

MAOTooltip Monoamine oxidase

Substrates→Products (with ALDHTooltip Aldehyde dehydrogenase/ALRTooltip ALR):Epinephrine (adrenaline)→DHMA Metanephrine→MHPG/VMA Norepinephrine (noradrenaline)→DHMA Normetanephrine→MHPG/VMA Dopamine→DOPAC 3-Methoxytyramine→HVA Serotonin→5-HIAA 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,6-methoxyharman) Methylene blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone
Inhibitors:MAO-B selective:Adarigiline Almoxatone D-Deprenyl Desmethylselegiline Ethanol Ladostigil Lazabemide Milacemide Mofegiline Nicotine Pargyline^‡ Rasagiline Safinamide Selegiline (L-Deprenyl) Sembragiline Tisolagiline Vafidemstat

Phenethylamines
(dopamine,epinephrine,
norepinephrine)

PAHTooltip Phenylalanine hydroxylase	Substrates→Products:Phenylalanine→Tyrosine Inhibitors:3,4-Dihydroxystyrene α-Methylphenylalanine
THTooltip Tyrosine hydroxylase	Substrates→Products:Tyrosine→L-DOPA (levodopa) Inhibitors:2-Hydroxyestradiol 2-Hydroxyestrone 3-Iodotyrosine α-Methyl-5-hydroxytryptophan (α-Me-5-HTP) α-Methylphenylalanine Aquayamycin Bulbocapnine Methyldopa (α-methyl-L-DOPA) Metirosine (α-methyl-p-tyrosine) Oudenone
DBHTooltip Dopamine beta-hydroxylase	Substrates→Products:Dopamine→Norepinephrine (Noradrenaline) Inhibitors:Bupicomide Disulfiram Dopastin Etamicastat Fusaric acid Nepicastat Phenopicolinic acid Tropolone Zamicastat
PNMTTooltip Phenylethanolamine N-methyltransferase	Substrates→Products:Norepinephrine (noradrenaline)→Epinephrine (adrenaline) Inhibitors:CGS-19281A SKF-64139 SKF-7698
COMTTooltip Catechol-O-methyl transferase	Substrates→Products:Dopamine→3-Methoxytyramine DOPAC→Homovanillic acid Norepinephrine→Normetanephrine Epinephrine→Metanephrine DOPEG→MOPEG DOMA→VMA 2-Hydroxyestradiol→2-Methoxyestradiol 2-Hydroxyestrone→2-Methoxyestrone 4-Hydroxyestradiol→4-Methoxyestradiol 4-Hydroxyestrone→4-Methoxyestrone Inhibitors:2-Hydroxyestradiol 2-Hydroxyestrone Entacapone Nebicapone Neluxicapone Nitecapone Opicapone Quinalizarin Tolcapone

Tryptamines
(serotonin,melatonin)

TPHTooltip Tryptophan hydroxylase	Substrates→Products:Tryptophan→5-HTP Inhibitors:AGN-2979 Fenclonine (PCPA) Telotristat ethyl
AANATTooltip Serotonin N-acetyl transferase	Substrates→Products:Serotonin→N-Acetylserotonin
ASMTTooltip Acetylserotonin O-methyltransferase	Substrates→Products:N-Acetylserotonin→Melatonin

Histamine

HDCTooltip Histidine decarboxylase	Substrates→Products:L-Histidine→Histamine Inhibitors:Catechin Alpha-Fluoromethylhistidine Histidine methyl ester Meciadanol Naringenin Tritoqualine
HNMTTooltip Histamine N-methyltransferase	Substrates→Products:Histamine→N-Methylhistamine Inhibitors:Amodiaquine Diphenhydramine Harmaline Metoprine Quinacrine SKF-91488 Tacrine
DAOTooltip Diamine oxidase	Substrates→Products:Histamine→Imidazole acetic acid Inhibitors:Pimagedine (aminoguanidine)

See also:Receptor/signaling modulators •Adrenergics •Dopaminergics •Melatonergics •Serotonergics •Monoamine reuptake inhibitors •Monoamine releasing agents •Monoamine neurotoxins

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