— News and commentary from the endocrinology world

June 9, 2026

• 2 min read

Investigational apitegromab -- a selective myostatin activation inhibitor -- effectively preserved lean mass when combined with tirzepatide (Zepbound) in a randomized phase II trial, suggesting it could help fight "Ozempic butt." (Nature Medicine, BBC News)

The FDA hasn't yet reviewed retatrutide for safety and effectiveness, but doctors are prescribing the investigational weight-loss drug anyhow. (CBS News)