Leptin-based obesity pharmacotherapies were originally developed according to the lipostatic view that elevated circulating leptin levels promote a negative energy balance. A series of independent preclinical findings suggest, however, that a partial reduction in circulating leptin levels (either by immunoneutralization, a peripherally restricted CB1 receptor inverse agonist, or bariatric surgery) can paradoxically lead to weight loss.
Keywords: bariatric surgery; leptin sensitizers; neutralizing leptin antibody; obesity; peripherally restricted CB1 receptor inverse agonist; weight loss.
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