retatrutide study results New Phase 3 Trial Published : r/Biohackers Retatrutide Timeline: Week-by-Week Results (48

Effects of ingestion of triglyceride or galactose on secretion of gastric inhibitory polypeptide and on responses to intravenous glucose in normal and diabetic subjects

For Providers Obesity management will increasingly extend beyond broad lifestyle modification advice or even pharmacologic intervention to encompass long-term weight maintenance and patient education on medication discontinuation and the potential for weight rebound

Recent updates on GLP-1 agonists: Current advancements & challenges. Tirzepatide: Food & Drug Administration (2021)

Local anesthesia or minor procedures may not need a medication pause

Retatrutide vs tirzepatide vs semaglutide Category Receptor targets Retatrutide GLP-1 + GIP + Glucagon (triple) Tirzepatide GLP-1 + GIP (dual) Semaglutide GLP-1 only (single) Category Half-life Retatrutide ~6 days Tirzepatide ~5 days Semaglutide ~7 days Category Dose frequency Retatrutide Once weekly Tirzepatide Once weekly Semaglutide Once weekly Category Max studied dose Retatrutide 12 mg/week Tirzepatide 15 mg/week Semaglutide 2.4 mg/week Category Peak weight loss in trials Retatrutide -28.7% at 68 weeks (Phase 3 TRIUMPH-4) Tirzepatide -22.5% at 72 weeks (SURMOUNT-1) Semaglutide -15.8% at 68 weeks (STEP-1) Category FDA status (June 2026) Retatrutide Investigational, Phase 3 Tirzepatide Approved (obesity + T2D) Semaglutide Approved (obesity + T2D) Category Liver fat Retatrutide Up to 82% reduction (Phase 2 substudy) Tirzepatide Significant reduction Semaglutide Moderate reduction Category Unique angle Retatrutide Triple agonism may raise energy expenditure via glucagon pathway Tirzepatide Dual agonism balances effect and tolerability Semaglutide Longest clinical track record

Analysis of cohorts Our meta-analysis included four studies