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LY3537031

Phase 3

Alcohol Use Disorder | Small molecule | Psychiatry |Eli Lilly and Company|Last Updated: Sep 4, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment2,200

FDA Designations

No designations recorded

Clinical trial landscape

LY3537031 · 9 trials · 11 indications

Phase 3 2Phase 2 2Phase 1 5
NCT07219953A Study of Brenipatide in Participants With Alcohol Use DisorderAlcohol Use Disorder
RECRUITING1,100 Analytics
NCT07219966A Study of Brenipatide in Participants With Moderate-to-Severe Alcohol Use DisorderAlcohol Use Disorder
RECRUITING1,100 Analytics
PHASE3RECRUITING
A Study of Brenipatide in Participants With Alcohol Use Disorder
Alcohol Use DisorderUnlock trial analytics
PHASE3RECRUITING
A Study of Brenipatide in Participants With Moderate-to-Severe Alcohol Use Disorder
Alcohol Use DisorderUnlock trial analytics

Study Endpoints

Primary Endpoints

Change in Drinking Patterns in Alcohol Use Disorder (AUD) as Assessed by the Timeline Followback Method (TLFB)
Up to 56 weeks
Percentage of Participants Who Had a Daily Composite Response for at Least 50 Percent (%) of Days
Week 9 to Week 16
Percentage of Participants with a Weekly Composite Clinical Response for at Least 50 Percent (%) of Weeks
Week 9 to 16
Pharmacokinetics (PK): Area Under the Concentration versus Time Curve (AUC) of LY3537031
Day 1 Predose up to Day 64

PK: AUC of LY3537031

Pharmacokinetics (PK): Maximum Serum Observed Drug Concentration (Cmax) of LY3537031
Day 1 Predose up to Day 64

PK: Cmax of LY3537031

PK: Maximum Concentration (Cmax) of LY3537031
Baseline to Study Completion (Up to 8 Weeks)

PK: Cmax of LY3537031

Number of Participants with One or More Treatment Emergent Adverse Events (TEAEs), Serious Adverse Event(s) (SAEs), and Adverse Event(s) (AEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline to Study Completion (Up to 56 Weeks)

A summary of TEAEs, SAEs, and AEs regardless of causality, will be reported in the Reported Adverse Events module

Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Baseline through final follow-up at approximately Day 43

A summary of SAEs and other non-serious adverse events (AEs), regardless of causality, will be reported in the Reported Adverse Events module

Secondary Endpoints

Change in Daily Alcohol Consumption as Assessed by the TLFB
Up to 56 weeks
Mean Change in Alcohol Craving as Assessed by the Penn Alcohol Craving Scale (PACS)
Baseline up to Week 56
Mean Change in Alcohol Use Disorders Identification Test (AUDIT) Score
Baseline up to Week 56
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
LY3537031 Period 1EXPERIMENTALEscalating doses administered subcutaneously (SC)
LY3537031 Period 2EXPERIMENTALAdministered SC
PlaceboPLACEBO_COMPARATORAdministered SC
LY3537031EXPERIMENTALLY3537031 administered subcutaneously (SC)
LY3537031 - Part AEXPERIMENTALLY3537031 administered Subcutaneously (SC) in three different injection sites
LY3537031 - Part BEXPERIMENTALLY3537031 administered Intravenously (IV)
LY3537031 (Group 1)EXPERIMENTALAdministered subcutaneously (SC) in participants with normal hepatic function
LY3537031 (Group 2)EXPERIMENTALAdministered SC in participants with mild hepatic impairment
LY3537031 (Group 3)EXPERIMENTALAdministered SC in participants with moderate hepatic impairment
LY3537031 (Group 4)EXPERIMENTALAdministered SC in participants with severe hepatic impairment
LY3537031 (Groups 2-3)EXPERIMENTALLY3537031 administered SC in groups of participants with impaired renal function
LY3537031 Part A (Cohorts 1-7)EXPERIMENTALMultiple-ascending doses of LY3537031 administered subcutaneously (SC)
Placebo Part APLACEBO_COMPARATORPlacebo administered SC
LY3537031 Part B (Cohorts 8-11)EXPERIMENTALMultiple-ascending doses of LY3537031 administered SC
Placebo Part BPLACEBO_COMPARATORPlacebo administered SC
LY3537031 Part C (Cohorts 12-15)EXPERIMENTALMultiple-ascending doses of LY3537031 administered SC
Placebo Part CPLACEBO_COMPARATORPlacebo administered SC
LY3537031 Part D (Cohorts 16-19)EXPERIMENTALMultiple-ascending doses of LY3537031 administered SC
Placebo Part DPLACEBO_COMPARATORPlacebo administered SC

Interventions

NameTypeDescription
LY3537031DRUGAdministered SC
PlaceboDRUGAdministered SC
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites116

Inclusion Criteria: * Participant must be a minimum of 20 years of age for the investigative sites in Japan. * Are seeking treatment and are motivated to stop or cut down on drinking. * Are reliable and willing to make themselves available for the duration of the study and attend required study vis...

Countries:United StatesBelgiumChinaGermanyJapanSouth KoreaTaiwanUnited KingdomCanadaMexicoPolandSpainSingaporeHungaryNew ZealandSlovakia
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Recent Changes (Last 90 Days)

LOWSep 4, 2026NCT07219966lastUpdatePostDate: changed
LOWAug 24, 2026NCT07545759lastUpdatePostDate: changed
LOWAug 24, 2026NCT07545772lastUpdatePostDate: changed
LOWAug 24, 2026NCT07545759lastUpdatePostDate: changed
LOWAug 24, 2026NCT07545772lastUpdatePostDate: changed
MEDIUMAug 23, 2026NCT07202871TRIAL_REMOVED: changed
MEDIUMAug 23, 2026NCT07202871TRIAL_REMOVED: changed
MEDIUMAug 23, 2026NCT07202871TRIAL_REMOVED: changed
LOWAug 21, 2026NCT07219953lastUpdatePostDate: changed
LOWAug 21, 2026NCT07219966lastUpdatePostDate: changed
LOWAug 21, 2026NCT07219953lastUpdatePostDate: changed
LOWAug 21, 2026NCT07219966lastUpdatePostDate: changed
LOWAug 6, 2026NCT07545759lastUpdatePostDate: changed
LOWAug 6, 2026NCT07545772lastUpdatePostDate: changed
LOWAug 6, 2026NCT07219953lastUpdatePostDate: changed
LOWAug 6, 2026NCT07219966lastUpdatePostDate: changed
LOWAug 6, 2026NCT07545759lastUpdatePostDate: changed
LOWAug 6, 2026NCT07545772lastUpdatePostDate: changed
LOWAug 6, 2026NCT07219953lastUpdatePostDate: changed
LOWAug 6, 2026NCT07219966lastUpdatePostDate: changed

Frequently asked questions about LY3537031

What is LY3537031 used for?

LY3537031, also known as Brenipatide, is an investigational small molecule being studied for alcohol use disorder, irritable bowel syndrome with diarrhea (IBS-D), and irritable bowel syndrome with constipation (IBS-C). It is also being evaluated in healthy participants and those with renal impairment for pharmacokinetic studies.

Who makes LY3537031?

LY3537031 is being developed by Eli Lilly and Company (NYSE: LLY). The company is conducting clinical trials of this investigational small molecule across multiple indications, including alcohol use disorder and irritable bowel syndrome.

What phase is LY3537031 in?

LY3537031 is in Phase 3 clinical development for moderate-to-severe alcohol use disorder. It is also being studied in Phase 2 trials for irritable bowel syndrome with diarrhea and constipation, and a Phase 1 trial for renal impairment has been completed.

What clinical trials is LY3537031 in?

LY3537031 is being studied in several trials. NCT07219966 is a Phase 3 trial for alcohol use disorder. NCT07545759 and NCT07545772 are Phase 2 trials for IBS-D and IBS-C, respectively. NCT07165015, a Phase 1 renal impairment study, has been completed.

Is LY3537031 the same as Brenipatide?

Yes, LY3537031 is also known as Brenipatide. Clinical trials use both names, such as NCT07545759, which is titled 'A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Diarrhea (IBS-D).'

Is LY3537031 FDA approved?

LY3537031 is not FDA approved. It is an investigational drug currently in clinical development, with Phase 3 trials recruiting for alcohol use disorder and Phase 2 trials recruiting for irritable bowel syndrome subtypes. Its safety and efficacy have not been established.