• Positive results show that the average weight loss was 12.5 kg (11.8% body weight reduction) with cagrilintide compared to 2.5 kg (2.3%) with placebo, after 68 weeks^*1,2
• Cagrilintide was well-tolerated, with the most common side effects being gastrointestinal; these were mainly transient and mild to moderate in severity¹
• Based on these results, Novo Nordisk will advance cagrilintide into the dedicated RENEW phase 3 clinical programme later this year
  
  

Bagsværd, Denmark, 16 September 2025 – Novo Nordisk today presented data from a sub-analysis of the phase 3 REDEFINE 1 trial at the European Association for the Study of Diabetes (EASD) congress 2025 from 15–19 September in Vienna, Austria. This sub-analysis evaluated the efficacy and safety of once-weekly cagrilintide 2.4 mg monotherapy, plus lifestyle intervention, for adults with obesity or overweight and a weight‑related comorbidity without diabetes.¹ Cagrilintide is a long-acting amylin analogue that mimics the naturally occurring hormone amylin and works differently than currently approved GLP-1-based treatments for weight loss.^1,2 These findings represent the first and only phase 3 clinical trial data with an investigational long-acting amylin analogue monotherapy for the management of obesity.¹

In REDEFINE 1, cagrilintide provided clinically meaningful weight loss, with an average body weight reduction of 11.8% compared to 2.3% with placebo after 68 weeks, if all participants adhered to treatment.^*1 Additionally, around 1 in 3 participants (31.6%) receiving cagrilintide achieved ≥15% weight loss, compared to around 1 in 20 participants (4.7%) receiving placebo.^*1,2

Cagrilintide was well-tolerated, with the most common side effects being gastrointestinal, including nausea, vomiting, diarrhoea and constipation. These were mainly temporary and mild to moderate. Nausea led to permanent discontinuation of cagrilintide in 1.0% of participants, compared with 0.1% of participants for placebo.¹ “These data highlight the exciting potential of cagrilintide to offer an alternative approach for people to lose weight, achieve health-related outcomes and manage their obesity, including a favourable tolerability profile,” said lead investigator Timothy Garvey, MD, professor of medicine and director of the Diabetes Research Center at the University of Alabama at Birmingham. “Like other chronic diseases, we need a range of treatment options to address the individual needs of people with obesity, such as their own specific response to treatment.”

When evaluating the treatment effect regardless of adherence,^** average weight loss with cagrilintide was 11.5% compared to 3.0% with placebo after 68 weeks. Additionally, 31.0% of participants achieved ≥15% weight loss with cagrilintide compared to 5.2% with placebo.^**1

The dedicated phase 3 RENEW programme will investigate the efficacy and safety of cagrilintide in people with obesity or overweight and is due to start in Q4 2025.

“Our current and future therapies aim to help people with obesity achieve meaningful weight loss and broader health benefits. With the global scale of obesity, further scientific innovation and therapy options are needed to meet every individual's needs and preferences,” said Martin Holst Lange, chief scientific officer and executive vice president of Research & Development at Novo Nordisk. “In our clinical trials, cagrilintide has provided substantial weight loss, in a distinct manner compared to approved obesity medications, and appears well-tolerated. We’re excited that these data, the first phase 3 data of a next-generation amylin therapy, show promise and we look forward to further investigating cagrilintide’s potential in the dedicated phase 3 RENEW programme.”

* Based on the trial product estimand; estimated treatment effect if all participants adhered to treatment.
** Based on the treatment policy estimand; treatment effect regardless of treatment adherence.

About cagrilintide
Cagrilintide is being investigated by Novo Nordisk as a once-weekly subcutaneous injectable treatment for adults with overweight or obesity, in the dedicated phase 3 RENEW programme, due to start in Q4 2025. Cagrilintide is a long-acting amylin analogue, administered at a dose of 2.4 mg.^1,2

About the REDEFINE 1 trial
REDEFINE 1 was a double-blind, placebo-and active-controlled 68-week efficacy and safety phase 3 trial of once-weekly CagriSema (cagrilintide 2.4 mg and semaglutide 2.4 mg), cagrilintide 2.4 mg monotherapy and semaglutide 2.4 mg monotherapy versus placebo in 3,417 adults with obesity (BMI ≥30 kg/m²), or overweight (BMI ≥27 kg/m²) with one or more obesity-related comorbidities, and without type 2 diabetes. This post hoc analysis investigated the efficacy and safety of cagrilintide 2.4 mg as a monotherapy versus placebo, over 68 weeks.^1,2

Novo Nordisk is a leading global healthcare company founded in 1923 and headquartered in Denmark. Our purpose is to drive change to defeat serious chronic diseases built upon our heritage in diabetes. We do so by pioneering scientific breakthroughs, expanding access to our medicines, and working to prevent and ultimately cure disease. Novo Nordisk employs about 78,400 people in 80 countries and markets its products in around 170 countries. For more information, visit novonordisk.com, Facebook, Instagram, X, LinkedIn and YouTube.  

Contacts for further information

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References

1. Garvey WT, Kuhlman AB, Rømer J, et al. Efficacy and safety of cagrilintide 2.4 mg in adults with overweight/obesity: data from REDEFINE 1. Late-breaking presentation at the European Association for the Study of Diabetes (EASD) annual meeting 2025; 15–19 September 2025; VIECON Vienna Congress & Convention Center, Vienna, Austria.
2. Garvey WT, Blüher M, Osorto Contreras CK, et al. Coadministered Cagrilintide and Semaglutide in Adults with Overweight or Obesity. N Engl J Med. 2025;393:635–647 (including supplement).