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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

What this study is about

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.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take LY4213663
  • 2.Take Placebo

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
Randomized (Open Label)

You are randomly assigned, but you will know your treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

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