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A Study of LY3841136 in Japanese Participants With Obesity or Overweight

A Multiple-Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of LY3841136 Monotherapy, and LY3841136 in Combination with Tirzepatide, in Japanese Participants with Obesity or Overweight - J3R-JE-YDAB

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071230129
Enrollment
128
Registered
2024-03-15
Start date
2024-04-15
Completion date
Unknown
Last updated
2025-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity Overweight

Interventions

DRUG: LY3841136 Administered SC DRUG: LY3841136-Placebo Administered SC DRUG: Tirzepatide Administered SC DRUG: Tirzepatide-Placebo Administered SC Experimental: Part A: LY3841136 LY3841136

Sponsors

Wakayama Naohiko
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Male or female participants who agree to contraception requirements Have a body mass index (BMI) within the range of 27 to 40 kg/m2, inclusive Have had a stable weight for the 3 months

Exclusion criteria

Exclusion criteria: Have a history of significant atopy (severe allergic manifestations), multiple or severe drug allergies, or severe posttreatment hypersensitivity reactions Have a history or presence of psychiatric disorders, including a history of major depressive disorder or severe psychiatric disorders such as schizophrenia, bipolar disorder within the last 3 years Have been diagnosed with Type 1 or Type 2 Diabetes Mellitus Have a history of chronic medical conditions involving the heart, liver, or kidneys Have a history of any malignancy within the past 5 years Have a history or presence of a GI disorder Have had within the last 6 months, or plan to have during the study, a device-based or surgical treatment use for obesity Have been treated, or plan to be treated, with prescription medications or other non-approved drugs intended to promote weight loss, within 3 months prior to screening For participants in Part B, have previously received tirzepatide within 6 months prior to screening For participants in Part B, have a personal or family history of medullary thyroid carcinoma, or have multiple endocrine neoplasia syndrome type 2

Design outcomes

Primary

MeasureTime frame
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 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 [Time Frame: Baseline through Week 22] 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 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 [Time Frame: Baseline through Week 34]

Contacts

Public ContactTrial Guide Call Center

Eli Lilly Japan K.K.

LTG_CallCenter@lists.lilly.com+81-120-023-812

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Feb 4, 2026