Translation information

Translated from the Chinese original using automated translation, with terminology checks. This version has not been clinically reviewed in English. For medication decisions, consult your clinician and the Taiwan-approved prescribing information. If wording is unclear, refer to the Chinese original and contact the clinic. Services are provided in Taiwan; this page does not imply English-speaking clinical services are available.

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TRIUMPH-2 · 2026-09-29

Retatrutide: new weight-loss results, but not available yet

The results are encouraging, but this medicine is still being developed. There is no need to switch treatment now.

Checked and updated: 2026-09-30

The main point

This is news about a medicine in development—not a treatment currently available at the clinic.

What did the study find?

The trial followed 1,152 adults with type 2 diabetes and overweight or obesity for 80 weeks. Here is one dose compared with placebo.

Average weight loss after 80 weeks
Study groupWeight lost
Retatrutide 12 mg20.8%
Placebo (no active medicine)4.0%

These estimates assume continued study treatment without prohibited treatments. They are not a promise for an individual, and separate trials cannot establish which medicine works best.

Side effects still matter

Nausea, diarrhea, constipation and vomiting occurred. Greater weight loss does not mean a medicine suits everyone.

What does this mean for you now?

As of 2026-09-30, retatrutide is still investigational, cannot be prescribed by this clinic, and has no confirmed Taiwan launch date. Continue your agreed care plan. Do not buy online products labeled for research use.

Source

Based on Lilly’s TRIUMPH-2 phase 3 announcement dated 2026-09-29, not a full review of the journal paper.

Lilly · TRIUMPH-2 · 2026-09-29
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