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RUO · Not ApprovedGLP-1 / Glucagon+2 more

Survodutide

A dual GLP-1 and glucagon receptor agonist from Boehringer Ingelheim. We read all 60 studies. The protocol is below.

Updated 03 May 2026Read 9 minEvidence ●●●○○Citations 60

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The Survodutide Report · $19

Everything you need to start: dose, sourcing, safety, our verdict.

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Built from 60 cited studies.

Status
Research-only
Class
GLP-1 / Glucagon
Evidence
3/ 5●●●○○
Phase 2 weight loss
Phase 2 MASH resolution
Read this if
  • you saw "the next retatrutide" or "better than tirzepatide" framing on a peptide social-media account and want to know what's actually here
  • you have MASH or NAFLD with elevated liver enzymes and your hepatologist mentioned the phase 2 fibrosis data
  • you have metabolic syndrome and want to understand the GLP-1/glucagon dual mechanism
  • you're tracking Boehringer's SYNCHRONIZE phase 3
Skip this if
  • you have arrhythmia, uncontrolled hypertension, or significant cardiovascular disease — heart rate goes up like with retatrutide
  • you have a personal or family history of medullary thyroid carcinoma
  • you want an approved drug — it isn't yet
  • you wanted a 'better tirzepatide' — survodutide's phase 2 number (18.7%) is in the same range as tirzepatide phase 3 (22.5%), not beyond it, and there is no FDA-approved product to buy
  • **you're considering RUO survodutide** — pre-approval molecule, no commercial reference standard exists, so identity (is the vial actually survodutide?) is **unconfirmable** without mass spec. Identity-failures are more common than for established GLP-1s. The only way to verify is HPLC/mass-spec on the lot — most vendors don't publish one and you can't run your own.
First 90 days · Survodutide
Weeks 1–2
GI side effects start. Nausea is the rate-limiter. Don't titrate up if you can't tolerate the starting dose — the side-effect curve gets steeper, not flatter.
Weeks 4–8
Appetite suppression becomes the obvious effect. 1–2 lbs/week is typical. Hit a plateau? Hold the dose, don't immediately bump.
Week 12 — decide
Bloodwork: A1c, lipids, liver enzymes, fasting insulin. Visible weight change should be 5–10%. If the trajectory is flat at 12 weeks and you've titrated, this isn't your molecule.
Quit if
  • Pancreatitis-like pain (severe upper-abdominal, won't sit still): stop and call your doctor.
  • Gallbladder pain or persistent vomiting that won't resolve.
  • Severe muscle loss without resistance training (the 'GLP-1 face' is real — protein floor matters).
  • 12 weeks at full dose with zero weight movement (rare, but real).
Identity

What it is.

Survodutide is Boehringer Ingelheim's entry into the next-generation weight-loss space. It's a dual agonist of the GLP-1 and glucagon receptors — different combination than tirzepatide (which is + GIP) and different from retatrutide (which is all three).

The glucagon arm is the distinctive piece. Glucagon raises blood sugar in isolation but also increases energy expenditure and drives hepatic fat oxidation. The bet is that adding glucagon agonism to produces more weight loss and meaningful liver fat reduction — which is why survodutide's most interesting trials are in MASH (metabolic dysfunction-associated steatohepatitis), the formerly-NASH liver disease.

Not FDA approved
as of mid-2026. Phase 3 trials in obesity and MASH are ongoing.
TL;DR

TL;DR. 30-second version.

The compressed verdict — what Survodutide actually is, what the human evidence shows, and the watch-for in three bullets. Locked.

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Mechanism

Mechanism.

Mechanism · in the Survodutide report

How the molecule actually works — receptor profile, downstream signaling, what to expect mechanistically.

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Evidence

Evidence. What we actually know in humans.

Evidence · in the Survodutide report

The trial breakdown — phase, n, primary endpoint, who funded, what hit, what didn't.

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Human-Evidence Factbox
Phase 2 weight loss
$19
Phase 2 MASH resolution
$19
Receptors hit
$19
Expected approval window
$19
RUO identity verifiable?
$19
MASH use case
$19
Dose

Dose. The actual protocol.

Dose · in the Survodutide report

The specific protocol — dose, titration schedule, cycle pattern, frequency, route.

We read 60 studies to write this report.
Get the report · $19
Sourcing

Sourcing. Where the cohort actually buys.

Sourcing · in the Survodutide report

Sourcing breakdown — vendor methodology, red flags, our published test results, COA checklist.

We read 60 studies to write this report.
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Safety

Safety. Side effects.

Safety · in the Survodutide report

The watch-for list — contraindications, drug interactions, monitoring labs, when to stop.

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Editorial Position

Editorial position.

Editorial Position · in the Survodutide report

Our editorial position — explicit yes / no / depends, with the reasoning behind it.

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Citations

Citations.

  1. 01Sanyal AJ, et al. A Phase 2 Randomized Trial of Survodutide in MASH and Fibrosis. The New England journal of medicine. 2024;391(4):311-319. PMID: 38847460.
  2. 02le Roux CW, et al. Glucagon and GLP-1 receptor dual agonist survodutide for obesity: a randomised, double-blind, placebo-controlled, dose-finding phase 2 trial. The lancet. Diabetes & endocrinology. 2024;12(3):162-173. PMID: 38330987.
  3. 03Blüher M, et al. Dose-response effects on HbA(1c) 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;67(3):470-482. PMID: 38095657.
  4. 04Kaya E, et al. Survodutide in MASH: bridging the gap between hepatic and systemic metabolic dysfunction. Expert opinion on investigational drugs. 2024;33(12):1167-1176. PMID: 39663847.
  5. 05Lawitz EJ, et al. Efficacy, tolerability and pharmacokinetics of survodutide, a glucagon/glucagon-like peptide-1 receptor dual agonist, in cirrhosis. Journal of hepatology. 2024;81(5):837-846. PMID: 38857788.
+Show all 60 citations
  1. 06Kosiborod MN, et al. Survodutide for the Treatment of Obesity: Rationale and Design of the SYNCHRONIZE Cardiovascular Outcomes Trial. JACC. Heart failure. 2024;12(12):2101-2109. PMID: 39453356.
  2. 07Drucker DJ. Efficacy and Safety of GLP-1 Medicines for Type 2 Diabetes and Obesity. Diabetes care. 2024;47(11):1873-1888. PMID: 38843460.
  3. 08Wharton S, et al. Survodutide for treatment of obesity: rationale and design of two randomized phase 3 clinical trials (SYNCHRONIZE™-1 and -2). Obesity (Silver Spring, Md.). 2025;33(1):67-77. PMID: 39495965.
  4. 09Kokkorakis M, et al. Emerging pharmacotherapies for obesity: A systematic review. Pharmacological reviews. 2025;77(1):100002. PMID: 39952695.
  5. 10Thomas L, et al. The dual GCGR/GLP-1R agonist survodutide: Biomarkers and pharmacological profiling for clinical candidate selection. Diabetes, obesity & metabolism. 2024;26(6):2368-2378. PMID: 38560764.
  6. 11Arun AJ, et al. Survodutide: A Dual GLP-1/Glucagon Agonist Reshaping Cardiometabolic Care. Cardiology in review. 2025. PMID: 40963161.
  7. 12Stefanakis K, et al. The impact of weight loss on fat-free mass, muscle, bone and hematopoiesis health: Implications for emerging pharmacotherapies aiming at fat reduction and lean mass preservation. Metabolism: clinical and experimental. 2024;161:156057. PMID: 39481534.
  8. 13Xiao YJ, et al. Efficacy and safety of survodutide on glycemic control and weight loss in adults: A systematic review and meta-analysis. Diabetes, obesity & metabolism. 2025;27(12):7062-7074. PMID: 40922121.
  9. 14le Roux CW, et al. Survodutide for treatment of obesity: Baseline characteristics of participants in a randomized, double-blind, placebo-controlled, phase 3 trial (SYNCHRONIZE™-1). Diabetes, obesity & metabolism. 2026;28(1):337-346. PMID: 41187967.
  10. 15Singh A, et al. GLP-1, GIP/GLP-1, and GCGR/GLP-1 receptor agonists: Novel therapeutic agents for metabolic dysfunction-associated steatohepatitis. World journal of gastroenterology. 2024;30(48):5205-5211. PMID: 39735270.
  11. 16Platz E, et al. Survodutide for the Treatment of Obesity: Baseline Characteristics of the SYNCHRONIZE Cardiovascular Outcomes Trial. JACC. Heart failure. 2026;14(5):102780. PMID: 41329105.
  12. 17le Roux CW, et al. Survodutide, a glucagon receptor/glucagon-like peptide-1 receptor dual agonist, improves blood pressure in adults with obesity: A post hoc analysis from a randomized, placebo-controlled, dose-finding, phase 2 trial. Diabetes, obesity & metabolism. 2025;27(2):993-996. PMID: 39582349.
  13. 18Rubio-Herrera MA, et al. Weight management treatment in obesity. Medicina clinica. 2025;165(5):107152. PMID: 40865172.
  14. 19Souza M, et al. Comparison of pharmacological therapies in metabolic dysfunction-associated steatohepatitis for fibrosis regression and MASH resolution: Systematic review and network meta-analysis. Hepatology (Baltimore, Md.). 2025;82(6):1523-1533. PMID: 39903735.
  15. 20Newsome PN, et al. Therapeutic horizons in metabolic dysfunction-associated steatohepatitis. The Journal of clinical investigation. 2025;135(13). PMID: 40590228.
  16. 21Klein T, et al. Perspectives in weight control in diabetes - Survodutide. Diabetes research and clinical practice. 2024;207:110779. PMID: 37330144.
  17. 22Son JW, et al. Novel GLP-1-based Medications for Type 2 Diabetes and Obesity. Endocrine reviews. 2026;47(2):159-177. PMID: 41054801.
  18. 23Dutta D, et al. Efficacy and Safety of Twincretin Survodutide, a Dual Glucagon-Like Peptide-1 and Glucagon Receptor Agonist as an Anti-Obesity and Anti-Diabetes Medication: A Systematic Review and Meta-Analysis. Indian journal of endocrinology and metabolism. 2025;29(3):253-259. PMID: 40688625.
  19. 24Augustin R, et al. Novel NPY2R agonist BI 1820237 provides synergistic anti-obesity efficacy when combined with the GCGR/GLP-1R dual agonist survodutide. Molecular metabolism. 2025;99:102205. PMID: 40619099.
  20. 25Zimmermann T, et al. Survodutide acts through circumventricular organs in the brain and activates neuronal regions associated with appetite regulation. Molecular metabolism. 2026;105:102326. PMID: 41638399.
  21. 26Bailey CJ, et al. Multifunctional incretin peptides in therapies for type 2 diabetes, obesity and associated co-morbidities. Peptides. 2025;187:171380. PMID: 40081498.
  22. 27Awad AA, et al. Evaluating the efficacy and safety of survodutide for obesity: a systematic review and meta-analysis of randomized controlled trials. Proceedings (Baylor University. Medical Center). 2025;38(4):514-522. PMID: 40557198.
  23. 28Wang Y, et al. Efficacy of GLP-1-based Therapies on Metabolic Dysfunction-associated Steatotic Liver Disease and Metabolic Dysfunction-associated Steatohepatitis: A Systematic Review and Meta-analysis. The Journal of clinical endocrinology and metabolism. 2025;110(10):2964-2979. PMID: 40489581.
  24. 29Wan H, et al. Effect of survodutide, a glucagon and GLP-1 receptor dual agonist, on weight loss: a meta-analysis of randomized controlled trials. Diabetology & metabolic syndrome. 2024;16(1):264. PMID: 39508238.
  25. 30Vinton TY. Survodutide: a novel peptide for treatment of obesity and metabolic diseases. Proceedings (Baylor University. Medical Center). 2025;38(4):523. PMID: 40557206.
  26. 31le Roux CW, et al. Subgroup analysis by sex and baseline BMI in people with a BMI ≥27 kg/m(2) in the phase 2 trial of survodutide, a glucagon/GLP-1 receptor dual agonist. Diabetes, obesity & metabolism. 2025;27(4):1773-1782. PMID: 39821928.
  27. 32Alkhouri N, et al. The pleiotropic effects of glucagon-like peptide-1 receptor agonists in patients with metabolic dysfunction-associated steatohepatitis: a review for gastroenterologists. Expert opinion on investigational drugs. 2025;34(3):169-195. PMID: 40016997.
  28. 33Gogineni P, et al. Oral glucagon-like peptide-1 receptor agonists and combinations of entero-pancreatic hormones as treatments for adults with type 2 diabetes: where are we now?. Expert opinion on pharmacotherapy. 2024;25(7):801-818. PMID: 38753454.
  29. 34Zafer M, et al. Review Article: GLP-1 Receptor Agonists and Glucagon/GIP/GLP-1 Receptor Dual or Triple Agonists-Mechanism of Action and Emerging Therapeutic Landscape in MASLD. Alimentary pharmacology & therapeutics. 2025;61(12):1872-1888. PMID: 40364529.
  30. 35Wharton S, et al. Baseline characteristics in the SYNCHRONIZE™-2 randomized phase 3 trial of survodutide, a glucagon receptor/GLP-1 receptor dual agonist, for obesity in people with type 2 diabetes. Diabetes, obesity & metabolism. 2026;28(2):1490-1498. PMID: 41216778.
  31. 36Yathindra MR, et al. A review of survodutide: a new dual acting agonist. Minerva endocrinology. 2026. PMID: 41855048.
  32. 37Sinha B, et al. Efficacy and Safety of GLP-1 Receptor Agonists, Dual Agonists, and Retatrutide for Weight Loss in Adults With Overweight or Obesity: A Bayesian NMA. Obesity (Silver Spring, Md.). 2025;33(11):2046-2054. PMID: 40685589.
  33. 38Long F, et al. Hepatic GCGR is required for the superior weight loss and metabolic effects of a structurally related analogue of the dual GCGR/GLP-1R agonist survodutide in mice. Diabetes, obesity & metabolism. 2026;28(3):2437-2442. PMID: 41388343.
  34. 39Sidrak WR, et al. Approved and Emerging Hormone-Based Anti-Obesity Medications: A Review Article. Indian journal of endocrinology and metabolism. 2024;28(5):445-460. PMID: 39676791.
  35. 40Doiron JE, et al. Hydrogen Sulfide Deficiency and Therapeutic Targeting in Cardiometabolic HFpEF: Evidence for Synergistic Benefit With GLP-1/Glucagon Agonism. JACC. Basic to translational science. 2025;10(10):101297. PMID: 40772898.
  36. 41Al-Horani RA, et al. Future is Brighter: New Potential Paradigm-Shifting Medications and Regimens for Diabetes and Obesity. Current diabetes reviews. 2024;20(8):84-97. PMID: 38275036.
  37. 42Doiron JE, et al. Hydrogen Sulfide Deficiency and Therapeutic Targeting in Cardiometabolic HFpEF: Evidence for Synergistic Benefit with GLP-1/Glucagon Agonism. bioRxiv : the preprint server for biology. 2025. PMID: 39345440.
  38. 43van Beek AP. Selective amylin receptor agonism: promise beyond incretins. Lancet (London, England). 2025;406(10520):2602-2603. PMID: 41207309.
  39. 44Martínez-Castelao A, et al. Diabetes Mellitus and Chronic Kidney Disease: The Future Is Being Surpassed. Journal of clinical medicine. 2025;14(23). PMID: 41375628.
  40. 45Patil R, et al. Metabolic Dysfunction-Associated Steatohepatitis (MASH)-Cirrhosis Clinical Trials: Lessons Learned and Future Directions. Drugs. 2026;86(5):627-643. PMID: 41831171.
  41. 46Mangia A, et al. Safety Choice Drivers of the Coming Treatment Options for Non-Cirrhotic Metabolic Steatohepatitis. Liver international : official journal of the International Association for the Study of the Liver. 2025;45(9):e70271. PMID: 40815181.
  42. 47Abdelrahman RM, et al. Harnessing GLP-1 Receptor Agonists for Obesity Treatment: Prospects and Obstacles on the Horizon. Journal of obesity. 2025;2025:9919810. PMID: 41333115.
  43. 48Muzurović E, et al. Incretin-based Agents and Metabolic Dysfunction-associated Steatotic Liver Disease. Current pharmaceutical design. 2025. PMID: 40641020.
  44. 49Banerjee M, et al. Histological efficacy of anti-diabetic agents in MASH and the mediating role of weight loss: A network meta-analysis. Diabetes, obesity & metabolism. 2026;28(1):287-295. PMID: 41063381.
  45. 50Elmendorf AJ, et al. IUPHAR review: From foe to friend: Repurposing glucagon to treat obesity and type 2 diabetes. Pharmacological research. 2026;223:108077. PMID: 41478576.
  46. 51Abulehia A, et al. Comparative Efficacy and Safety of Glucagon Receptor Agonists on Metabolic Outcomes: A Network Meta-Analysis of Randomised Controlled Trials. Endocrinology, diabetes & metabolism. 2026;9(2):e70187. PMID: 41787737.
  47. 52Anderson SL. Review: Special Issue: Real-world evidence on the use of GLP1 receptor agonists: Emerging concepts in obesity management: focus on glucagon receptor agonist combinations. Drugs in context. 2025;14. PMID: 40734920.
  48. 53Wang B, et al. Operationalising disease modification in obesity trials: A blueprint based on the SYNCHRONIZE-1 survodutide study. Diabetes, obesity & metabolism. 2026;28(3):2495-2496. PMID: 41424209.
  49. 54Neff GW. Shared mechanistic pathways of glucagon signalling: Unlocking its potential for treating obesity, metabolic dysfunction-associated steatotic liver disease, and other cardio-kidney-metabolic conditions. Diabetes, obesity & metabolism. 2025;27(12):6869-6883. PMID: 41025406.
  50. 55Kanbay M, et al. Glucagon and glucagon-like peptide-1 dual agonist therapy: A possible future towards fatty kidney disease. European journal of clinical investigation. 2025;55(1):e14330. PMID: 39400355.
  51. 56Stachteas P, et al. Efficacy of Dual Glucagon and Glucagon-like Peptide-1 Receptor Agonists Across the Cardiometabolic Continuum: A Review of Current Clinical Evidence. Reviews in cardiovascular medicine. 2025;26(7):39691. PMID: 40776973.
  52. 57Rubino DM, et al. Optimization of patient and site engagement in the SYNCHRONIZE™ phase 3 clinical trial program for survodutide in obesity through clinical trial simulation. Contemporary clinical trials communications. 2026;49:101611. PMID: 41704810.
  53. 58Andonie CR, et al. Comparative Analysis of Glucagon Receptor Agonists vs. Resmetirom in MASLD and MASH: Network Meta-Analysis of Clinical Trials. Endocrinology, diabetes & metabolism. 2026;9(1):e70157. PMID: 41466530.
  54. 59Lempesis IG, et al. Obesity pharmacotherapy reimagined: The era of multi-receptor agonists and next-generation metabolic modulators, perspectives and controversies. Metabolism open. 2026;30:100463. PMID: 41948476.
  55. 60Koretz RL. JPEN Journal Club 88. Determining the hypothesis of a study. JPEN. Journal of parenteral and enteral nutrition. 2025;49(3):389-391. PMID: 39390199.
The Survodutide Report · $19

Everything you need to start.

Dose, sourcing, safety, our verdict. One purchase. Yours forever.

Built from 60 cited studies.

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