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Study details
Enrolling now

A Study of LY4213663

Eli Lilly and Company
NCT IDNCT07258849ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

134

Study length

about 2.3 years

Ages

18–75

Locations

9 sites in AL, AZ, FL +1

About this study

Researchers are testing a treatment called LY4213663 in people who are healthy and those with rheumatoid arthritis (RA). The trial will last about 33 weeks, excluding the time needed to be screened for eligibility. Blood tests will be done to see how well the body processes the drug and what effects it has.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take LY4213663
  • 2.Take Placebo
PhasePhase 1
Primary goalNumber of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low7%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Endpoints

Primary: Number of Participants with One or More Serious Adverse Event(s) (SAEs) Considered by the Investigator to be Related to Study Drug Administration

Secondary: PK: Area Under the Concentration Versus Time Curve (AUC) of LY4213663, Pharmacokinetics (PK): Maximum Concentration (Cmax) of LY4213663

Body systems

Immune