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LY3841136

Phase 2

Obesity | Small molecule | Metabolic |Eli Lilly and Company|Last Updated: Jan 16, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials4
Total Enrollment889
FDA Designations
No designations recorded
Clinical Trials (4)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06603571A Study to Investigate Weight Management With LY3841136 and Tirzepatide (LY3298176), Alone or in Combination, in Adult Participants With Obesity or Overweight With Type 2 DiabetesPHASE2 ACTIVE NOT_RECRUITING 350Sep 20, 2024Aug 1, 2026Sep 26, 202552 United States, Argentina
NCT06230523A Study of LY3841136 Compared With Placebo in Adult Participants With Obesity or OverweightPHASE2 COMPLETED 263Feb 5, 2024Aug 14, 2025Aug 28, 202546 United States, Argentina
NCT06297616A Study of LY3841136 in Japanese Participants With Obesity or OverweightPHASE1 COMPLETED 128Apr 15, 2024Nov 21, 2025Jan 16, 20263 Japan
NCT05295940A Study of LY3841136 in Healthy and Overweight ParticipantsPHASE1 COMPLETED 148Mar 30, 2022Jan 25, 2024Apr 1, 20243 United States
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Study Endpoints
Primary Endpoints
Percent Change from Baseline in Body Weight
Baseline, Week 48
Part A: Number of Participants with One or More Serious Adverse Events (SAE) Considered by the Investigator to be Related to Study Drug Administration at Week 22
Baseline through Week 22

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

Part B: Number of Participants with One or More Serious Adverse Events (SAE) Considered by the Investigator to be Related to Study Drug Administration at Week 34
Baseline through Week 34

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

Number of Participants with One or More Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration
Predose up to 14 weeks (Part A) & 28 weeks (Part B)

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

Secondary Endpoints
Change from Baseline in Body Weight
Baseline, Week 48
Percentage of Participants Who Achieve ≥5% Body Weight Reduction
Week 48
Percentage of Participants Who Achieve ≥10% Body Weight Reduction
Week 48
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
LY3841136 Dose 1EXPERIMENTALParticipants will receive LY3841136 subcutaneously (SC)
LY3841136 Dose 2EXPERIMENTALParticipants will receive LY3841136 SC
LY3841136 Dose 3EXPERIMENTALParticipants will receive LY3841136 SC
LY3841136 Dose 1 + Tirzepatide Dose 1EXPERIMENTALParticipants will receive LY3841136 SC and Tirzepatide SC
LY3841136 Dose 2 + Tirzepatide Dose 1EXPERIMENTALParticipants will receive LY3841136 SC and Tirzepatide SC
LY3841136 Dose 2 + Tirzepatide Dose 2EXPERIMENTALParticipants will receive LY3841136 SC and Tirzepatide SC
LY3841136 Dose 3 + Tirzepatide Dose 3EXPERIMENTALParticipants will receive LY3841136 SC and Tirzepatide SC
Tirzepatide Dose 3ACTIVE_COMPARATORParticipants will receive Tirzepatide SC
LY3841136 Dose 2 + Tirzepatide Dose 3EXPERIMENTALParticipants will receive LY3841136 SC and Tirzepatide SC
PlaceboPLACEBO_COMPARATORParticipants will receive placebo administered SC.
LY3841136 Dose 4EXPERIMENTALParticipants will receive LY3841136 SC.
LY3841136 Dose 5EXPERIMENTALParticipants will receive LY3841136 SC
LY3841136 Dose 6EXPERIMENTALParticipants will receive LY3841136 SC
Part A: LY3841136EXPERIMENTALLY3841136 administered subcutaneously (SC)
Part A: PlaceboPLACEBO_COMPARATORPlacebo administered SC
Part B: Tirzepatide + LY3841136-PlaceboEXPERIMENTALTirzepatide administered SC along with volume-matched LY3841136-Placebo administered SC
Part B: LY3841136 + Tirzepatide-PlaceboEXPERIMENTALLY3841136 administered SC along with volume-matched Tirzepatide-Placebo administered SC
Part B: LY3841136 + TirzepatideEXPERIMENTALLY3841136 administered SC along with Tirzepatide administered SC
Part B: LY3841136-Placebo + Tirzepatide-PlaceboPLACEBO_COMPARATORVolume-matched LY3841136-Placebo administered SC along with volume-matched Tirzepatide-Placebo administered SC
LY3841136 (Part A)EXPERIMENTALSingle ascending doses of LY3841136 administered subcutaneously (SC).
LY3841136 (Part B)EXPERIMENTALMultiple ascending doses of LY3841136 administered SC.
Placebo (Part A)PLACEBO_COMPARATORPlacebo administered SC.
Placebo (Part B)PLACEBO_COMPARATORPlacebo administered SC.
Interventions
NameTypeDescription
LY3841136DRUGAdministered SC
TirzepatideDRUGAdministered SC
PlaceboDRUGAdministered SC
LY3841136-PlaceboDRUGAdministered SC
Tirzepatide-PlaceboDRUGAdministered SC
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites52

Inclusion Criteria: W8M-MC-LAA2 * Have a Body Mass Index (BMI) of ≥27 kilograms per square meter (kg/m²) * Have Type 2 Diabetes * Have a HbA1c ≥7.0 % (53 millimoles/mole (mmol/mol)) to ≤10.5% (91 mmol/mol) and treated with diet and exercise alone or with a stable dose of metformin (and not more th...

Countries:United StatesArgentinaJapan
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06603571primaryCompletionDate: changed
LOWMay 24, 2026NCT06603571studyFirstPostDate: changed