GLP-1 drugs effective for weight loss, but more independent studies needed

Three new Cochrane reviews find evidence that GLP-1 drugs result in clinically meaningful weight loss, but industry-funded studies raise questions. The reviews were commissioned by the World Health Organization (WHO) to inform upcoming guidelines on the use of these drugs to treat obesity.The reviews, which examine the effects of three weight loss drugs known as GLP-1 receptor antagonists, have found that all three drugs result in clinically meaningful weight loss compared with placebo.