Fact of the day

Tuesday, 11 August 2026

Metabolic & GLP-1well supported · human dataDiscovery of the day

In a meta-analysis of ten randomised trials, once-weekly tirzepatide reduced body weight by an average of 18.11 kg versus placebo in adults without diabetes, but by 9.06 kg in adults with diabetes, with mostly mild-to-moderate side effects in both groups.

Study design
Meta-analysis
Journal
Int J Obes (Lond)
Evidence
well supported

What it shows: Meta-analysis of placebo-controlled RCTs of at least 26 weeks: five trials (n=2,174) in adults with diabetes and five (n=4,467) without. The abstract does not explain why the effect differs by diabetes status.Meta-analysis · Int J Obes (Lond)

Effects of tirzepatide on weight management in patients with and without diabetes: a systematic review and meta-analysis. Int J Obes (Lond) 2025Read the study →

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