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Zealand, Roche’s obesity drug helps patients lose up to 9.2% weight in mid-stage trial

By Thomson Reuters Oct 7, 2026 | 1:31 PM

Oct 7 (Reuters) – Zealand Pharma said on Wednesday its experimental drug helped people who are overweight or obese ​and have type 2 diabetes lose ‌up to 9.2% of their body weight in a mid-stage trial. The Danish company is developing it with Roche.

• The 220-patient trial met ‌its ​main goal, with patients ⁠taking the once-weekly petrelintide ⁠losing between 7.4% and 9.2% body weight after 28 weeks, depending on the dose, versus 2% with placebo

• Petrelintide ​lowered HbA1c by as much as 0.65%, while levels of the blood sugar ⁠measure rose 0.23% among ⁠patients receiving placebo, Zealand said

• ​About 1.9% of patients taking petrelintide discontinued ​treatment because of gastrointestinal side effects, compared ‌with 1.7% of those on placebo

• Most gastrointestinal side effects were mild and occurred while doses were being increased, Zealand ⁠said

• Roche gained access to petrelintide through a collaboration and licensing deal worth up to $5.3 ⁠billion last ‌year, giving it shared development ⁠rights to the therapy that ​mimics ‌amylin, a hormone co-secreted with ​insulin

• The ⁠companies have started late-stage testing in about 7,000 people — with and without type 2 diabetes and those with established cardiovascular disease

(Reporting by Siddhi Mahatole in Bengaluru; Editing by ​Joyjeet Das)