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J Obes. 2011;2011:432607. doi: 10.1155/2011/432607. Epub 2011 Jul 6.

Rimonabant: From RIO to Ban.

Author information

  • 1Section of Investigative Medicine, Division of Diabetes, Endocrinology and Metabolism, Hammersmith Hospital, Imperial College London, Du Cane Road, London W12 0NN, UK.

Abstract

Endocannabinoid antagonism as a treatment for obesity and the metabolic syndrome became a hugely anticipated area of pharmacology at the start of the century. The CB1 receptor antagonist Rimonabant entered the European mass market on the back of several trials showing weight loss benefits alongside improvements in numerous other elements of the metabolic syndrome. However, the drug was quickly withdrawn due to the emergence of significant side effects-notably severe mood disorders. This paper provides a brief overview of the Rimonabant story and places the recent spate of FDA rejections of other centrally acting weight loss drugs entering Phase 3 trials in this context.

PMID:
21773005
[PubMed]
PMCID:
PMC3136184
Free PMC Article
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