MetaVia (Nasdaq: MTVA) doses first patient in higher-dose DA-1726 obesity trial
Rhea-AI Filing Summary
MetaVia Inc. has dosed the first patient in Part 3 of its Phase 1 trial of DA-1726, a dual GLP-1/glucagon agonist for obesity. This higher-dose study runs over 16 weeks and compares one-step titration to 48 mg with a two-step regimen reaching 64 mg in obese, otherwise healthy adults.
The company highlights earlier Phase 1 data showing approximately 9% weight loss at a 48 mg dose, with reductions in waist circumference, improved glycemic control, and early signs of liver benefit, alongside a favorable tolerability profile. Part 3 is designed to test whether higher therapeutic doses can be reached more quickly while maintaining tolerability, with data expected in the fourth quarter of 2026.
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Insights
Early higher-dose testing of DA-1726 advances MetaVia’s obesity pipeline but remains high-risk Phase 1 development.
MetaVia has begun Part 3 of its Phase 1 trial for DA-1726, exploring one-step and two-step titration to 48 mg and 64 mg over a 16-week period in obese, otherwise healthy adults. The design targets faster escalation to higher doses while tracking safety and pharmacology.
Management cites earlier Phase 1 data with about 9% weight loss at 48 mg, plus waist circumference and glycemic improvements, all described as having a favorable tolerability profile. However, these are early-stage findings, and the new higher-dose cohorts must confirm similar or better outcomes without unexpected safety signals.
The Part 3 study will enroll 40 subjects randomized 4:1 active to placebo, assessing adverse events, pharmacokinetics, and metabolic measures such as weight, BMI, and cardiometabolic markers. Readout is expected by Q4 2026, when more definitive signals on dose, efficacy, and tolerability may become available.

