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Novo says CagriSema tops Lilly rival in diabetes patients for weight loss

By Thomson Reuters Sep 21, 2026 | 5:46 AM

Sept 21 (Reuters) – Novo Nordisk said on Monday its next-generation experimental drug, CagriSema, delivered an ​estimated average weight loss of ‌12.4% in a late-stage trial in patients with diabetes, outperforming Eli Lilly’s rival drug.

It has been seen as a ‌successor ​to Novo’s weight ⁠loss drug, Wegovy, which ⁠faces patent expiries after 2030.

CagriSema is a weekly injection combining cagrilintide, which mimics pancreatic hormone amylin, ​and semaglutide, the active ingredient in Wegovy. Novo said the ⁠drug also demonstrated ⁠non-inferior blood sugar reduction compared ​to Lilly’s tirzepatide.

In a head-to-head trial ​earlier this year, the drug had ‌fallen short of Lilly’s Zepbound on weight loss, marking a setback for the Danish drugmaker.

In the ⁠late-stage study, a 1 mg dose of Novo’s drug CagriSema was superior to ⁠Lilly’s tirzepatide ‌at 5 mg for ⁠weight loss, the company ​said ‌on Monday.

Lilly’s tirzepatide, which is ​the ⁠active ingredient in its diabetes drug Mounjaro and obesity drug Zepbound, showed weight loss of 9.1%.

(Reporting by Sriparna Roy in Bengaluru; Editing by ​Shinjini Ganguli)