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NCT07165028ClinicalTrials.gov

A Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes)

A Master Protocol for a Randomized, Controlled, Clinical Trial of Multiple Pharmacologic Agents in Adult Participants With Metabolic Dysfunction-Associated Steatotic Liver Disease Who Are at Increased Risk of Developing Major Adverse Liver Outcomes

RecruitingTaking participants now, according to the registry record.
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In brief

The main purpose of the SYNERGY-OUTCOMES study is to find out whether retatrutide and tirzepatide can prevent major adverse liver outcomes (MALO) in people with high-risk metabolic dysfunction-associated steatotic liver disease (MASLD). The study will enroll adults who have MASLD…

Phase 34,500 participants sought563 sites34 countries

Categories

Registered in 1 registry

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Trial information is shown as published by the registry, in its original language.

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How this study is set up

The points below are drawn from the public registry record for this study. Each one cites the field or sentence it came from. A dash (—) means the record does not state something — not that it is missing or wrong. Many well-run studies, especially small ones, leave some of these blank.

  • Present: Registered before enrolment beganFirst posted 2025-09-10; recorded start 2025-10-15
  • Present: Has a defined primary outcomeA primary outcome measure is listed in the record
  • Present: The primary outcome states a time frameThe primary outcome measure records a time frame
  • Present: Participants are randomly assignedAllocation is recorded as randomised
  • Present: Has a comparison groupThe record lists a placebo or comparator arm, or more than one study arm
  • Present: Uses blinding (masking)A masking level is recorded in the record
  • Not stated: An ethics committee is not stated in the registry recordThis registry's ingested record has no ethics-committee field
  • Not stated: Regulatory oversight (such as an IND or IDE) is not stated in the registry recordThis registry's ingested record has no regulatory-authorisation field
  • Not stated: A data monitoring committee is not stated in the registry recordThis registry's ingested record has no data-monitoring-committee fieldA data monitoring committee is not required for many smaller studies, and its absence here is not unusual.
  • Present: No cost to participants is mentioned in the recordChecked the summary, description and eligibility text; no cost-to-participant phrase found
  • Present: Sponsor has 347 other studies in this databaseCounted from the lead sponsor named in the record (Eli Lilly and Company)
  • Present: Sponsor has posted results for at least one studyBased on the sponsor’s studies in this database
  • The record lists 1 condition.
  • Lead sponsor type recorded as: industry.
  • Intervention regulatory context: investigational, within a phased regulatory pathway.

Trial stature

Three independent measures of this study, described from its registry record — not a recommendation about it. A rigorous study by investigators nobody has heard of is better evidence than a weak study led by a famous one. How these are scored.

Methodological rigourSTRONG

A strong methodological design for a phase 3 study, judged from its ClinicalTrials.gov record.

How this score is built
  • Randomised allocation20/20

    Participants are randomly allocated between arms

  • Blinding7/20

    Single-blind

  • Control arm13/15

    Placebo / sham control arm

  • Primary-outcome specificity10/10

    Named primary outcome with a defined time frame

  • Endpoint type3/10

    Surrogate or intermediate endpoint (conservative default)

  • Multi-centre8/8

    Multi-centre: 563 sites

  • Data monitoring committee7/7

    A data monitoring committee is in place

  • Prospective registration5/5

    Registered before the study start date

  • Protocol / SAP posted0/5

    No protocol or SAP posted to the registry

ScaleLARGE

A large study, international in scope: 4,500 participants (target), run at 563 sites, across 34 countries.

How this score is built
  • Enrolment35/40

    4,500 participants (target)

  • Site count25/25

    563 sites

  • Country count15/15

    34 countries

  • Planned duration10/10

    Planned over about 83 months

  • Sponsor scale9/10

    Eli Lilly and Company has led 326 trials in our corpus

Investigator standingUNKNOWN

We have no verifiable track record for the investigator named on this trial. That is common for early-career investigators and for records held outside ClinicalTrials.gov — it is not a negative signal.

How this score is built
  • Investigator standing0/100

    No investigator recorded in the registry for this trial

These describe the registry record only, and today we hold ClinicalTrials.gov data. Absent fields lower a score, and absence often reflects registration practice rather than study quality. A high-stature trial is not necessarily safer or a better choice for you — enrolling in a large definitive trial can mean a higher chance of receiving placebo, while a small early-phase study may be the only route to a new therapy.

Summary

The main purpose of the SYNERGY-OUTCOMES study is to find out whether retatrutide and tirzepatide can prevent major adverse liver outcomes (MALO) in people with high-risk metabolic dysfunction-associated steatotic liver disease (MASLD). The study will enroll adults who have MASLD based on non-invasive tests (NITs), which indicate they are more likely to develop MALO. Participants will be randomly assigned within a Master Protocol to receive either retatrutide (N1T-MC-RT01), tirzepatide (N1T-MC-TZ01) or placebo. The trial plans to enroll about 4,500 adults and will run for approximately 224 weeks. Participants may have up to approximately 25 to 30 clinic visits throughout the study to monitor their health, complete study procedures, and assess liver function and disease progression. Once the study is complete, eligible participants may participate in an optional 2-year extension study, in which all participants will receive either retatrutide or tirzepatide, even if they received placebo in the main study.

Conditions

  • Metabolic Dysfunction-Associated Steatotic Liver Disease

Eligibility

Eligibility
SexAll
Ages18 YearsNo maximum
Healthy volunteersNo

Eligibility as written in the registry

Inclusion Criteria: * Have liver fat content ≥8% * Have ELF score of ≥9 and ≤10.8 at screening * Have VCTE LSM ≥10 kilopascal (kPa) and \<20 kPa at screening Exclusion Criteria: * Have any other type of liver disease other than MASLD * Have a body mass index (BMI) \<25 kilogram per square meter (kg/m2) * Prior decompensated liver disease (history of esophageal/gastric varices, ascites, hepatic encephalopathy) * Have lost more than 11 pounds within the 3 months prior to screening * Have a hemoglobin A1c (HbA1c) greater than 10% * Have type 1 diabetes

Eligibility in plain statements

This record's criteria have not been broken into separate statements yet. The registry text above is complete and is the authoritative version.

Study design

Study design
Study typeInterventional
PhasePhase 3
AllocationRandomised
Intervention modelPARALLEL
Primary purposeTREATMENT
MaskingSINGLE (1)
Enrolment4,500 participants sought

Sponsor and collaborators

  • Eli Lilly and Company Sponsor

Arms and interventions

  • Tirzepatide (TZ01)EXPERIMENTAL

    Participants will receive tirzepatide subcutaneously (SC)

  • Placebo (TZ01)PLACEBO_COMPARATOR

    Participants will receive placebo SC

  • Retatrutide (RT01)EXPERIMENTAL

    Participants will receive retatrutide SC

  • Placebo (RT01)PLACEBO_COMPARATOR

    Participants will receive placebo SC

Interventions

  • Drug Placebo

    Administered SC

  • Drug Retatrutide

    Administered SC

  • Drug Tirzepatide

    Administered SC

Outcome measures

  1. Primary outcome

    Time to First Occurrence of Any Component of the Composite Endpoint for Major Adverse Liver Outcomes (MALO)

    Composite endpoint comprised of progression to cirrhosis, development of large esophageal varices, gastric varices or development of varices needing treatment, development of ascites, development of hepatic encephalopathy, evidence of active or recent variceal hemorrhage, increase in model for end-stage liver disease (MELD) from ≤12 to ≥15, liver transplantation, all-cause mortality

    Time frame Baseline up to Study Completion (about 224 weeks)

  2. Secondary outcome

    Change from Baseline in Enhanced Liver Fibrosis (ELF) Score

    Time frame Baseline, Week 104

  3. Secondary outcome

    Change from Baseline in Vibration-Controlled Transient Elastography Liver Stiffness Measurement (VCTE LSM)

    Time frame Baseline, Week 104

  4. Secondary outcome

    Percent Change from Baseline in Liver Fat Content (LFC)

    Time frame Baseline, Week 104

  5. Secondary outcome

    Time to Occurrence of Progression to Cirrhosis

    Time frame Baseline up to Study Completion (about 224 weeks)

  6. Secondary outcome

    Change from Baseline in Aspartate Aminotransferase (AST)

    Time frame Baseline, Study Completion (about 224 weeks)

  7. Secondary outcome

    Change from Baseline in Alanine Aminotransferase (ALT)

    Time frame Baseline, Study Completion (about 224 weeks)

  8. Secondary outcome

    Change from Baseline in Body Weight

    Time frame Baseline, Study Completion (about 224 weeks)

  9. Secondary outcome

    Change from Baseline in Non-Alcoholic Steatohepatitis-CHECK Score (NASH-CHECK)

    Time frame Baseline, Week 104

  10. Secondary outcome

    Time to First Occurrence of Any Component Event of the Composite Endpoint of Major Adverse Cardiovascular Events (MACE-3)

    MACE-3 composite endpoint includes nonfatal myocardial infarction, nonfatal stroke, cardiovascular death

    Time frame Baseline up to Study Completion (about 224 weeks)

Dates

Dates
Start dateOctober 15, 2025 (actual)
Primary completionAugust 1, 2030 (estimated)
CompletionAugust 1, 2032 (estimated)
First postedSeptember 10, 2025 (actual)
Last updatedSeptember 8, 2026
Results postedNot stated in the registry record
Status last verifiedSeptember 2026

Actual means the event happened. Estimated means the sponsor expects it. The two mean different things.

Locations

481 sites are recruiting

Argentina

Argentina
FacilityCityState or regionStatus
Hospital Italiano de Buenos AiresABBRecruiting
CIPRECBuenos AiresRecruiting
Centro Medico Dra. Laura Maffei- Investigacion Clinica AplicadaBuenos AiresRecruiting
Mautalen Salud e InvestigaciónBuenos AiresRecruiting
Centro Médico ViamonteBuenos AiresRecruiting
Centro de Investigaciones Metabólicas (CINME)Buenos AiresRecruiting
Glenny Corp. S.A.Buenos AiresRecruiting
Cicemo SrlBuenos AiresRecruiting
DOM Centro de ReumatologíaBuenos AiresRecruiting
Fundación RespirarBuenos AiresRecruiting
Instituto de Investigaciones Clínicas CórdobaCórdobaRecruiting
Centro de Investigaciones Clínicas BaigorriaGranadero BaigorriaRecruiting
Instituto de Investigaciones Clínicas Mar del PlataMar del PlataRecruiting
DIM Clínica PrivadaRamos MejíaRecruiting
INECO Neurociencias OroñoRosarioRecruiting
Instituto de Investigaciones Clinicas RosarioRosarioRecruiting
Centro de Diagnóstico y Rehabilitación (CEDIR)Santa FeRecruiting

Australia

Australia
FacilityCityState or regionStatus
Flinders Medical CentreAdelaideRecruiting
Nightingale ResearchAdelaideRecruiting
Box Hill HospitalBox HillRecruiting
Royal Brisbane and Women's HospitalBrisbaneRecruiting
Core Research GroupBrisbaneRecruiting
Mater Misericordiae LimitedBrisbaneRecruiting
Gallipoli Medical Research LtdBrisbaneRecruiting
Genesis Research ServicesBroadmeadowRecruiting
Barwon HealthGeelongNot yet recruiting
Austin HealthHeidelbergRecruiting
Ipswich HospitalIpswichRecruiting
Fiona Stanley HospitalMurdochRecruiting
TrialsWest - Osborne ParkOsborne ParkRecruiting
The Royal Melbourne HospitalParkvilleRecruiting
Gold Coast University HospitalSouthportRecruiting
Westmead HospitalWestmeadRecruiting

Austria

Austria
FacilityCityState or regionStatus
Medizinische Universität GrazGrazRecruiting
Uniklinikum SalzburgSalzburgRecruiting
Klinik LandstraßeViennaRecruiting
Medizinische Universität WienViennaRecruiting
Landesklinikum Wiener NeustadtWiener NeustadtNot yet recruiting

Belgium

Belgium
FacilityCityState or regionStatus
UZ BrusselBrusselsNot yet recruiting
Centre Hospitalier Universitaire BrugmannBrusselsRecruiting
Université Libre de Bruxelles - Hôpital ErasmeBrusselsNot yet recruiting
Cliniques universitaires Saint-LucBrusselsNot yet recruiting
Antwerp University HospitalEdegemNot yet recruiting
AZ Maria MiddelaresGhentRecruiting
UZ GentGhentNot yet recruiting
AZ Groeninge Campus KennedylaanKortrijkNot yet recruiting
AZ Oostende vzwOstendRecruiting
AZ Delta vzwRoeselareRecruiting
VITAZSint-NiklaasNot yet recruiting

Brazil

Brazil
FacilityCityState or regionStatus
NewData Clinical Research - AracajuAracajuRecruiting

513 further sites are listed in the registry record.

Study documents

No documents are linked in this registry record.

Changes over time

  1. September 8, 2026

    Site removed

    2 sites removed (563 total)

    565563

  2. August 21, 2026

    Site added

    1 site added (565 total)

    564565

  3. August 6, 2026

    Site added

    1 site added (564 total)

    563564