Efficacy and safety of liraglutide for obesity and people who are overweight: a systematic review and meta-analysis of randomized controlled trials

As the pandemic of obesity presents an increasing serious health challenge worldwide, additional medical interventions, especially pharmacotherapy, should be addressed for the affected people. Liraglutide 3.0 mg, is one of the possible options for long-term anti-obesity treatment. We systematically searched the databases of PubMed, Embase, Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov. A meta-analysis was then performed using random-effect models. Meta-analyses of seven phase 3 and 4 RCTs (N = 6,028), which were conducted in adults with obesity or overweight for at least 1 year, demonstrated a significant weight reduction with liraglutide 3.0 mg (mean difference of percentage weight change −4.81%; 95% CI: −5.56% to −4.06%; P This study provided support for the use of liraglutide 3.0 mg for weight management in adults with obesity or who are overweight.