Rimonabant

Rimonabant (also known as SR141716; trade names Acomplia, Zimulti) is an anorectic antiobesity drug approved in Europe in 2006 but was withdrawn worldwide in 2008 due to serious psychiatric side effects; it was never approved in the United States. Rimonabant is an inverse agonist for the cannabinoid receptor CB1 and was first-in-class for clinical development.

Rimonabant
Clinical data
AHFS/Drugs.comConsumer Drug Information
License data
Pregnancy
category
  • Not assigned, use not recommended
Routes of
administration
Oral
ATC code
Legal status
Legal status
  • Withdrawn from European and Brazilian markets; not approved elsewhere
Pharmacokinetic data
BioavailabilityUndetermined
Protein bindingNearly 100%
MetabolismHepatic, CYP3A4 involved
Elimination half-lifeVariable:
6 to 9 days with normal BMI
16 days if BMI >30
ExcretionFecal (86%) and renal (3%)
Identifiers
  • 5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-(piperidin-1-yl)-1H-pyrazole-3-carboxamide
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.210.978
Chemical and physical data
FormulaC22H21Cl3N4O
Molar mass463.79 g·mol−1
3D model (JSmol)
  • O=C(NN1CCCCC1)c4nn(c2ccc(Cl)cc2Cl)c(c3ccc(Cl)cc3)c4C
  • InChI=1S/C22H21Cl3N4O/c1-14-20(22(30)27-28-11-3-2-4-12-28)26-29(19-10-9-17(24)13-18(19)25)21(14)15-5-7-16(23)8-6-15/h5-10,13H,2-4,11-12H2,1H3,(H,27,30) Y
  • Key:JZCPYUJPEARBJL-UHFFFAOYSA-N Y
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