Obesity is linked to overactivity of the endocannabinoid system that regulates appetite, fat storage, and insulin resistance. Cannabinoid receptor type-1 (CB1) belongs to the G protein-coupled receptor (GPCR) superfamily, and are found in the brain and peripheral tissues. Pharmacological blockers of CB1 receptors have demonstrated effectiveness in suppressing appetite, inducing weight loss, enhancing energy expenditure and speeding up metabolism.
Novo Nordisk’s Monlunabant is a novel peripherally-acting CB1 receptor blocker. This target limits brain penetration and minimizes psychiatric side-effects. Monlunabant is developed for the treatment of metabolic disorders. The phase 2 trials for diabetic kidney disease and obesity is expected in the second half of 2024.