Journal article
Survodutide in adults with obesity and metabolic dysfunction-associated steatotic liver disease: SYNCHRONIZE-MASLD, a randomized, double-blind, placebo-controlled phase 3 trial
Nature medicine, Vol.32(8), pp.2948-2958
08/2026
DOI: 10.1038/s41591-026-04479-3
PMCID: PMC13472939
PMID: 42252333
Abstract
Survodutide is a glucagon receptor/glucagon-like peptide-1 receptor dual agonist under investigation for treating obesity and related diseases. The SYNCHRONIZE-MASLD phase 3, randomized, double-blind, placebo-controlled trial included 216 adults (131 female and 85 male) with obesity (defined as a body mass index ≥30 kg m−2 or ≥27 kg m−2 with at least one obesity complication) and at-risk metabolic dysfunction-associated steatotic liver disease (MASLD), defined by MASLD with evidence of liver inflammation and/or fibrosis by noninvasive tests (NITs) or biopsy-confirmed metabolic dysfunction-associated steatohepatitis (MASH). Participants were randomized (2:1) and treated with once-weekly subcutaneous injections of survodutide 6.0 mg (n = 146) or placebo (n = 70). The co-primary endpoints, ≥30% reduction in magnetic resonance imaging-proton density fat fraction (MRI-PDFF)-assessed liver fat content (LFC) and percentage change in body weight (both baseline to week 48), were met. In total, 84.2% of survodutide-treated patients versus 24.3% of placebo-treated patients had ≥30% reduction in LFC using the efficacy estimand (P < 0.0001; treatment regimen estimand: 68.5% versus 28.6%, respectively; P < 0.0001). Mean percentage change in body weight was −12.2% with survodutide and −1.0% with placebo using the efficacy estimand (P < 0.0001; treatment regimen estimand: −8.7% versus −1.4%, respectively; P < 0.0001). The most frequently reported adverse events with survodutide were gastrointestinal, commonly occurring during dose escalation, and were generally of mild-to-moderate severity. In adults with obesity and at-risk MASLD, survodutide treatment was statistically and clinically superior to placebo for reductions in MRI-PDFF-assessed LFC and body weight. Limitations included short trial duration (48 weeks) and limited global reach (participants recruited in the United States and Spain).
Details
- Title: Subtitle
- Survodutide in adults with obesity and metabolic dysfunction-associated steatotic liver disease: SYNCHRONIZE-MASLD, a randomized, double-blind, placebo-controlled phase 3 trial
- Creators
- Lee M Kaplan - Dartmouth CollegeElena Startseva - Boehringer Ingelheim (Germany)Carel W. le Roux - University College DublinSean Wharton - University of TorontoBiykem Bozkurt - Baylor College of MedicineDaniel F. Mazo - Boehringer Ingelheim International GmbH, Ingelheim am Rhein, GermanyJessica von Schlippenbach - Boehringer Ingelheim (Germany)Sandra González Maldonado - Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, GermanySamina Ajaz Hussain - Boehringer Ingelheim International GmbH, Ingelheim am Rhein, GermanyGuy W Neff - Florida Cancer Specialists & Research InstituteYaneicy Gonzalez Rojas - Optimus U Corp., Miami, FL, United StatesCharles Smith - Florida Cancer Specialists & Research InstituteRamy Younes - Boehringer Ingelheim (Germany)Arun J. Sanyal - Virginia Commonwealth UniversityPaul Hellstern - Clinical Research AtlantaBruce Segal - Delray Medical CenterDmitry Shuster - Springfield ClinicSatish Iduru - Accurate Clinical Research (United States)Gregg Lucksinger - Velocity Clinical Research (United States)Julie Vu - Velocity Clinical Research (United States)Michael Zimmerman - Velocity Clinical Research (United States)Rizwana Mohseni - Catalina Research InstituteOmer Khalid - Virginia Department of HealthMartha G. Navarro - Valley Regional HospitalRobert Perry - Clinical Pharmacology of MiamiJulio Vijil - Velocity Clinical Research (United States)Ruth E. Kavcioglu - Velocity Clinical Research (United States)Antonio Sanchez - University of IowaYaneicy G. Rojas - Applied Optimization (United States)Cassandra Steimle - Northridge Hospital Medical CenterRonald Surowitz - Health Awareness (United States)James Maher - South Texas CollegeNaga Chalasani - Indiana University – Purdue University IndianapolisHumberto Aguilar - Louisiana State University in ShreveportApinya VutikullirdMasi Khaja - Institute for Linguistic EvidenceRasha Youssef - Boca Raton Regional HospitalShekhar Challa - Kansas State Department of EducationMichael Herman - Fleming Island Center For Clinical ResearchKevin Korenblat - Washington University in St. LouisDouglas Denham - Clinical Trials of TexasMark Leibowitz - Velocity Clinical Research (United States)Juan M. Pericás - Universitat Autònoma de BarcelonaAntonio Olveira - Hospital Universitario La PazSYNCHRONIZE-MASLD Investigators
- Resource Type
- Journal article
- Publication Details
- Nature medicine, Vol.32(8), pp.2948-2958
- DOI
- 10.1038/s41591-026-04479-3
- PMID
- 42252333
- PMCID
- PMC13472939
- NLM abbreviation
- Nat Med
- ISSN
- 1078-8956
- eISSN
- 1546-170X
- Publisher
- Nature; BERLIN
- Grant note
- Boehringer Ingelheim
This study was supported and funded by Boehringer Ingelheim.
- Language
- English
- Electronic publication date
- 06/07/2026
- Date published
- 08/2026
- Academic Unit
- Gastroenterology and Hepatology; Internal Medicine
- Record Identifier
- 9985224301302771
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