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Clinical data | |
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Other names | INV-202, MRI-1891 |
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Chemical and physical data | |
Formula | C26H22ClF3N6O3S |
Molar mass | 591.01 g·mol−1 |
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Monlunabant (INV-202, MRI-1891, or S-MRI-1891) is aperipherally selectivecannabinoid receptor 1inverse agonist, discovered as a β-arrestin-2-biased cannabinoid receptor 1 antagonist by Dr George Kunos, Dr Resat Cinar, and Dr Malliga Iyer at theNational Institutes of Health.[1] It was developed as aweight loss drug by Inversago Pharma.[2][3][4]
Novo Nordisk’s obesity drug monlunabant showed only modest weight loss in a Phase 2a trial.[5] The drug was associated with higher rates of mild to moderate neuropsychiatric side effects like anxiety and sleep disturbances.[6] Suicidal ideations were not reported.