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Clinical Trials/NCT07225556
NCT07225556Active, not recruitingPhase 1

A Phase 1, Randomized, Placebo-Controlled, Single Ascending Dose-Escalation Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of LY4167586 in Participants With Obesity or Overweight Who Are Otherwise Healthy

Eli Lilly and Company2 sites in 2 countries84 target enrollmentStarted: November 18, 2025Last updated:
Conditions
Interventions
Drugs

Trial Snapshot

Phase
Phase 1
Status
Active, not recruiting
Enrollment
84
Locations
2
Primary Endpoint
Number and Incidence of Serious Adverse Events (SAEs)

Study Overview

Brief Summary

The purpose of this study is to look at how safe and well-tolerated LY4167586 is in participants with obesity or overweight who are otherwise healthy. Blood tests will be performed to check how much LY4167586 gets into the bloodstream and how long it takes the body to eliminate it following a single administration. Participation in the study will last approximately 7 months.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Basic Science
Masking
Double (Participant, Investigator)

Eligibility Criteria

Ages
18 Years to 65 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • •Participant must be 21 for Singapore site
  • •Have a body mass index (BMI) between 27.0 kilogram per square meter (kg/m²) and 35.0 kg/m², inclusive
  • •Have had a self-reported stable weight for 3 months prior to screening (less than approximately 5 percent [%] body weight change)

Exclusion Criteria

  • •Have a history or presence of cardiovascular, respiratory, hepatic, renal, gastrointestinal (GI), endocrine, hematological, or neurological disorders capable of significantly altering the absorption, metabolism, or elimination of drugs, or of constituting a risk when taking the study drug, or of interfering with the interpretation of data.
  • •Is an individual of childbearing potential (IOCBP)

Arms & Interventions

LY4167586 (Cohort B)

Experimental

LY4167586 administered intravenously (IV)

Intervention: LY4167586 (Drug)

LY4167586 (Cohorts A1 to A6)

Experimental

LY4167586 administered subcutaneously (SC)

Intervention: LY4167586 (Drug)

Placebo (Cohorts A1 to A6)

Placebo Comparator

Placebo administered SC

Intervention: Placebo (Drug)

Outcomes

Primary Outcomes

Number and Incidence of Serious Adverse Events (SAEs)

Time Frame: Baseline to study completion (up to 29 weeks)

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

Secondary Outcomes

  • Pharmacokinetics (PK): Maximum Observed Drug Concentration (Cmax)(Predose on Day 1 through end of the Follow-up Period (Week 25))
  • PK: Time of Maximum Drug Concentration (tmax)(Predose on Day 1 through end of the Follow-up Period (Week 25))
  • PK: Area Under the Concentration Versus Time Curve (AUC)(Predose on Day 1 through end of the Follow-up Period (Week 25))

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

Study Sites (2)

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