Investigational·4 treatments

Future Treatments

Drugs in late-stage clinical trials that are not yet approved for use. Early data is promising — but Phase 3 trial results and regulatory decisions may differ from earlier trials. None of these 4 drugs are available yet; all estimated approval dates are 2027 or later and are not confirmed.

Quick read · 3 min

Investigational — not yet approved

This treatment is in clinical trials and has not been approved by the FDA or any regulatory authority. It is not available for prescription.

At a glance

RetatrutideEli Lilly
Triple agonist (GIP + GLP-1 + Glucagon)Phase 3 (TRIUMPH programme) — first Phase 3 result published 2026
up to 28.7%
avg weight loss
Est. approval: 2027 (estimated — not confirmed)
CagriSemaNovo Nordisk
GLP-1 + Amylin agonistNDA filed with FDA (December 2025); under review
up to 22.7%
avg weight loss
Est. approval: Late 2026 to early 2027 (estimated — not confirmed)
AmycretinNovo Nordisk
GLP-1 + Amylin agonistPhase 2 complete; Phase 3 starting Q1 2026 (obesity + T2D)
up to 22%
avg weight loss
Est. approval: 2028+ (estimated — not confirmed)
GIP antagonist + GLP-1 agonistPhase 3 initiated (72-week studies enrolling)
up to 20%
avg weight loss
Est. approval: 2027+ (estimated — not confirmed)

All future treatments

Retatrutide

Eli Lilly
Phase 3
Up to 28.7%avg weight loss
Full details →

CagriSema

Novo Nordisk
NDA filed
Up to 22.7%avg weight loss
Full details →

Amycretin

Novo Nordisk
Phase 2
Up to 22%avg weight loss
Full details →

MariTide

Amgen
Phase 3
Up to 20%avg weight loss
Full details →
Important: These drugs have not been approved by any regulatory authority. Trial results — particularly from Phase 2 studies — may not predict Phase 3 outcomes. Expected approval dates are estimates and subject to change. Do not seek these drugs outside of clinical trials.

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Last reviewed: April 2026

Medical disclaimer: This website is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any treatment.