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Novo scraps two more heart drug trials, further dimming growth beyond obesity

By Thomson Reuters Sep 7, 2026 | 6:44 AM

By Patrick Wingrove

Sept 7 (Reuters) – Novo Nordisk said on Monday it had halted two additional trials of its ​experimental cardiovascular drug ziltivekimab, further ‌denting the Danish drugmaker’s efforts to diversify beyond its blockbuster obesity and diabetes franchise.

In July, Novo said ziltivekimab failed to reduce the risk ‌of ​major adverse cardiovascular events, ⁠including death, non-fatal heart ⁠attack and non-fatal stroke, compared with placebo in a late-stage trial.

On Monday, the Danish drugmaker said it had ended ​two additional studies of the drug in heart failure patients ahead of ⁠schedule, with each trial ⁠designed to evaluate a different ​clinical outcome.

Novo halted the studies after an ​independent data monitoring committee found a “low ‌likelihood” that either study would yield a different result from the earlier failed trial, a company spokesperson said.

The setback comes ⁠after Novartis’ experimental cardiovascular drug also failed in a late-stage trial to reduce the risk ⁠of death, ‌heart attack and stroke, raising ⁠fresh questions about the inflammatory-disease ​hypothesis ‌that underpinned development of both ​medicines.

Another trial ⁠testing ziltivekimab in patients recovering from a heart attack will continue as planned, with results expected in the first half of 2027, Novo said.

(Reporting by Patrick Wingrove;Editing by ​Alison Williams)