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Type 2 diabetes: Combo of semaglutide and cagrilintide reduces blood sugar and leads to weight loss
USA: Co-administration of once-weekly cagrilintide 2·4 mg with once-weekly semaglutide 2·4 mg (CagriSema) improves glycemic control and leads to weight loss in type 2 diabetes patients, a randomized phase II trial has shown. The findings were published in The Lancet June 23, 2023.
"At 32 weeks, patients treated with CagriSema had an HbA1c reduction of 2.2% versus reductions (1.8%) seen with semaglutide alone and ith cagrilintide alone (0.9%)," Juan P Frias, Velocity Clinical Research, Los Angeles, CA, USA, and colleagues reported during the 2023 Scientific Sessions of the American Diabetes Association (ADA).
The 32-week, multicentre, double-masked, phase 2 trial also showed a more significant mean change in HbA1c (glycated haemoglobin) with CagriSema versus cagrilintide but not versus semaglutide.
Combining semaglutide, a GLP-1 receptor agonist, and cagrilintide, a long-acting amylin analogue, has weight-loss benefits; however, the impact on HbA1c is unknown. To fill this knowledge gap, Frias and the team evaluated the safety and efficacy of co-administered semaglutide with cagrilintide (CagriSema) in patients with type 2 diabetes.
The trial was conducted across 17 sites in the USA and included 92 adults with type 2 diabetes and a BMI of 27 kg/m2 or higher on metformin with or without an SGLT2 inhibitor. They were randomly assigned in the ratio of 1:1:1 to once-weekly subcutaneous CagriSema (n=31), semaglutide (n=31), or cagrilintide (n=30) (all escalated to 2·4 mg). The participants' mean age was 58 years (SD 9).
Randomization was stratified according to SGLT2 inhibitor treatment (yes vs no). The trial participants, sponsor staff, and investigators were masked to treatment assignment throughout the trial.
Change from baseline in HbA1c was noted (primary endpoint). Secondary endpoints included continuous glucose monitoring (CGM) parameters, fasting plasma glucose, body weight, and safety. Efficacy analyses were conducted in all participants who had undergone randomization, and safety analyses in all patients who underwent randomization and received at least trial medication's one dose.
The study revealed the following findings:
- The mean change in HbA1c from baseline to week 32 (CagriSema: –2·2 percentage points; semaglutide: –1·8 percentage points; cagrilintide: –0·9 percentage points) was more significant with CagriSema versus cagrilintide (estimated treatment difference –1·3 percentage points), but not versus semaglutide (–0·4 percentage points).
- The mean change in body weight from baseline to week 32 (CagriSema: –15·6%; semaglutide: –5·1%; cagrilintide: –8·1%) was more significant with CagriSema versus both semaglutide and cagrilintide.
- The mean change in fasting plasma glucose from baseline to week 32 (CagriSema: –3·3 mmol/L; semaglutide: –2·5 mmol/L; cagrilintide: –1·7 mmol/L) was more significant with CagriSema versus cagrilintide but not versus semaglutide.
- Time in range (3·9–10·0 mmol/L) was 45·9%, 32·6%, and 56·9% at baseline and 88·9%, 76·2%, and 71·7% at week 32 with CagriSema, semaglutide, and cagrilintide, respectively.
- Adverse events were reported by 68% of participants in the CagriSema group, 71% in the semaglutide group, and 80% in the cagrilintide group.
- Mild or moderate gastrointestinal adverse events were most common; no level 2 or 3 hypoglycaemia was reported.
- No fatal adverse events were reported.
"Our findings showed that treatment with CagriSema led to clinically relevant improvements in glycaemic control (including CGM parameters) in patients with type 2 diabetes," the researchers wrote. "There was a greater mean change in HbA1c with CagriSema, but not versus semaglutide. CagriSema treatment was well tolerated and resulted in significantly greater weight loss versus semaglutide and cagrilintide."
"These data support further investigation of CagriSema in this population in longer and larger phase 3 studies," they concluded.
Reference:
Frias JP, Deenadayalan S, Erichsen L, Knop FK, Lingvay I, Macura S, Mathieu C, Pedersen SD, Davies M. Efficacy and safety of co-administered once-weekly cagrilintide 2·4 mg with once-weekly semaglutide 2·4 mg in type 2 diabetes: a multicentre, randomized, double-blind, active-controlled, phase 2 trial. Lancet. 2023 Jun 23:S0140-6736(23)01163-7. doi: 10.1016/S0140-6736(23)01163-7. Epub ahead of print. PMID: 37364590.
MSc. Biotechnology
Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at editorial@medicaldialogues.in. Contact no. 011-43720751
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751