This systematic review of primary care–based weight loss interventions for adults was done to inform a U.S. Preventive Services Task Force recommendation. Recipients of behavioral interventions lost 3 kg more than control participants after 12 to 18 months. Orlistat plus behavioral intervention resulted in 3-kg more weight loss than placebo after 12 months. Metformin resulted in less weight loss. Data on the effects of weight loss treatment on long-term health outcomes were insufficient. Participants often withdrew from studies because of gastrointestinal symptoms, but data on serious harms were insufficient.
Topics:
obesity, orlistat, metformin, preventive medicine, weight reduction, advisory committees, primary health care, ...
Ann Intern Med. 2011;155(7):434-447. doi:10.7326/0003-4819-155-7-201110040-00006