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Qsymia is approved for chronic weight management, unlike phentermine monotherapy which has only short-term approval

DOI: 10.1038/s44360-026-00108-y The authors report no outside funding

What can be said with reasonable confidence is this

Additionally, Wang et al

Participants receiving 2.4 mg of Sema weekly, alongside lifestyle modifications, experienced an average 14.9% reduction in body weight over 68 weekssubstantially more than the placebo group
