Semaglutide vs survodutide
Semaglutide is an FDA-approved GLP-1 receptor agonist, and survodutide is an investigational peptide that activates both the GLP-1 receptor and the glucagon receptor 1,2,3. They have been compared directly in a 16-week phase 2 trial in type 2 diabetes that included an open-label semaglutide arm 4, and in obese mice (animal data) 5. No phase 3 head-to-head trial was identified 6.


Side by side
| Field | Semaglutide | Survodutide |
|---|---|---|
| Class | GLP-1 receptor agonist 1 | Dual glucagon receptor and GLP-1 receptor agonist (investigational) 3 |
| Origin and structure | GLP-1 analogue with 94% homology to human GLP-1 and a C18 fatty diacid at lysine 26 for albumin binding 1 | Acylated peptide carrying a C18 fatty acid as a half-life-extending element 5 |
| Proposed mechanism | Activates the GLP-1 receptor, a regulator of appetite and calorie intake 1 | Activates glucagon and GLP-1 receptors; in mice, reduced food intake and increased energy expenditure 5 |
| Half-life | About 1 week per the FDA labels 1,7 | Not located in the sources reviewed |
| Highest human trial phase | Approved; phase 3 and outcome trials published 8,9,10 | Phase 3 (SYNCHRONIZE-1, SYNCHRONIZE-2, SYNCHRONIZE-MASLD) 3,11,12 |
| FDA status | Approved as Ozempic (5 December 2017) and Wegovy (4 June 2021), per Drugs@FDA as of 24 October 2026 2 | Not approved; no Drugs@FDA application record as of 24 October 2026 13 |
| Published human outcomes | STEP 1: -14.9% vs -2.4% at 68 weeks 8; SELECT: cardiovascular events hazard ratio 0.80 9; FLOW: 24% lower risk of major kidney events 10 | SYNCHRONIZE-1: -12.2% and -13.0% vs -5.4% at 76 weeks 3; SYNCHRONIZE-2: -8.2% and -9.8% vs -3.9% 11 |
| Safety signals | Boxed warning for thyroid C-cell tumours seen in rodents; gastrointestinal reactions most common 1; more retinopathy complications in SUSTAIN-6 14 | Gastrointestinal events in 80.9% and 89.7% vs 47.9% with placebo in SYNCHRONIZE-1 3; adverse events in 77.8% vs 52.0% with semaglutide in the phase 2 comparison 4 |
| WADA status | Not named on the 2026 Prohibited List 15; GLP-1 receptor agonist status unchanged for 2027 per WADA 16 | Not named on the 2026 Prohibited List; class S0 covers drugs under clinical development with no current approval by any governmental health authority 15 |
| Who funded the evidence | Novo Nordisk 8,9,10 | Boehringer Ingelheim, including the phase 2 trial with a semaglutide arm 3,4 |
Semaglutide: what the data says
Semaglutide is FDA-approved for type 2 diabetes, cardiovascular and kidney risk reduction in specified groups, chronic weight management and, under accelerated approval, MASH with moderate to advanced fibrosis 1,7.
- In STEP 1 (1961 adults without diabetes; human data), mean body-weight change at 68 weeks was -14.9% vs -2.4% with placebo 8.
- In SELECT (17,604 adults with cardiovascular disease; human data), the primary cardiovascular outcome occurred in 6.5% vs 8.0% with placebo 9.
- In FLOW (3533 adults with type 2 diabetes and chronic kidney disease; human data), major kidney disease events were 24% lower than with placebo 10.
Survodutide: what the data says
Survodutide has completed phase 3 trials in obesity, type 2 diabetes with obesity, and MASLD 3,11,12.
- In SYNCHRONIZE-1 (725 adults; human data), mean body-weight change at 76 weeks was -12.2% and -13.0% vs -5.4% with placebo 3.
- In a 16-week phase 2 trial in 413 people with type 2 diabetes on metformin (human data), HbA1c reductions were similar between a low survodutide dose and open-label semaglutide (-1.46% vs -1.47%), while body-weight change reached -8.7% with survodutide vs -5.3% with semaglutide 4.
- In obese mice (animal data), survodutide produced larger body-weight reductions than semaglutide at doses giving its maximal response, attributed to added energy expenditure 5.
Key research differences
- Receptor targets: semaglutide acts only on the GLP-1 receptor, while survodutide also activates the glucagon receptor 1,3.
- Regulatory status: semaglutide has been FDA-approved since 2017; survodutide had no Drugs@FDA record on 24 October 2026 2,13.
- Direct phase 2 comparison: in type 2 diabetes over 16 weeks, HbA1c change was similar at a low survodutide dose, and body-weight change was larger at higher survodutide doses than with open-label semaglutide 4.
- Adverse events in that comparison: reported by 77.8% of survodutide-treated participants vs 52.0% on semaglutide, mainly gastrointestinal 4.
- Outcome trials: semaglutide has published cardiovascular (SELECT) and kidney (FLOW) outcome trials; no comparable outcome trial results for survodutide were located 9,10.
Where the evidence is limited
The only human head-to-head data come from a 16-week phase 2 trial in which the semaglutide arm was open-label and used doses up to 1.0 mg weekly, so it does not reflect longer-term use or the higher dose approved for weight management 4. The mouse comparison is animal data only 5. The phase 3 trials of each drug used different durations and populations, and each programme was funded by its developer 3,4,8.
Frequently asked questions
Has survodutide been compared with semaglutide?
Does survodutide lead to more body-weight change than semaglutide?
References
- WEGOVY (semaglutide) injection and tablets: prescribing information, DailyMed set ID ee06186f-2aa3-4990-a760-757579d8f77b (label version dated 18 June 2026) FDA label (via openFDA). 2026
- Drugs@FDA application records for NDA 215866 (Mounjaro), NDA 217806 (Zepbound), NDA 209637 (Ozempic), NDA 215256 (Wegovy), NDA 022341 (Victoza) and NDA 206321 (Saxenda): original approval dates (queried 24 October 2026) Drugs@FDA (via openFDA). 2026
- Survodutide Once Weekly for the Treatment of Adults with Obesity (SYNCHRONIZE-1) N Engl J Med. 2026
- Dose-response effects on HbA1c and bodyweight reduction of survodutide, a dual glucagon/GLP-1 receptor agonist, compared with placebo and open-label semaglutide in people with type 2 diabetes: a randomised clinical trial Diabetologia. 2024
- BI 456906: Discovery and preclinical pharmacology of a novel GCGR/GLP-1R dual agonist with robust anti-obesity efficacy Mol Metab. 2022
- ClinicalTrials.gov registry search for survodutide as intervention (29 records, 12 phase 3; retrieved 24 October 2026) ClinicalTrials.gov. 2026
- OZEMPIC (semaglutide) injection: prescribing information, DailyMed set ID adec4fd2-6858-4c99-91d4-531f5f2a2d79 (label version dated 1 June 2026) FDA label (via openFDA). 2026
- Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1) N Engl J Med. 2021
- Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT) N Engl J Med. 2023
- Effects of Semaglutide on Chronic Kidney Disease in Patients with Type 2 Diabetes (FLOW) N Engl J Med. 2024
- Survodutide Once Weekly in Adults with Obesity and Type 2 Diabetes (SYNCHRONIZE-2) N Engl J Med. 2026
- Survodutide in adults with obesity and metabolic dysfunction-associated steatotic liver disease: SYNCHRONIZE-MASLD, a randomized, double-blind, placebo-controlled phase 3 trial Nat Med. 2026
- Drugs@FDA application data queried through openFDA for survodutide (no matching application record returned on 24 October 2026) openFDA / Drugs@FDA. 2026
- Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes (SUSTAIN-6) N Engl J Med. 2016
- The 2026 Prohibited List - World Anti-Doping Code, as published in the Netherlands Treaty Series (Tractatenblad 2026, 25; Council of Europe Anti-Doping Convention appendix, in force 1 January 2026) Tractatenblad (Official Publications of the Kingdom of the Netherlands). 2026
- WADA publishes 2027 Prohibited List (news release, 21 September 2026) World Anti-Doping Agency. 2026
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