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A Phase 1, Multicenter, Randomized, Placebo-Controlled, Investigator- and Participant-Blinded, Single- and Multiple-Ascending Dose Study to Evaluate Safety, Tolerability, and Pharmacokinetics of LY4213663 in Healthy Participants, and Two Open-Label, Multiple-Dose Evaluations of LY4213663 in Patients With Rheumatoid Arthritis

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Trial Profile

A Phase 1, Multicenter, Randomized, Placebo-Controlled, Investigator- and Participant-Blinded, Single- and Multiple-Ascending Dose Study to Evaluate Safety, Tolerability, and Pharmacokinetics of LY4213663 in Healthy Participants, and Two Open-Label, Multiple-Dose Evaluations of LY4213663 in Patients With Rheumatoid Arthritis

Status: Recruiting
Phase of Trial: Phase I

Latest Information Update: 16 Jan 2026

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At a glance

  • Drugs LY 4213663 (Primary) ; LY 4213663 (Primary)
  • Indications Rheumatoid arthritis
  • Focus Adverse reactions
  • Sponsors Eli Lilly and Company

Most Recent Events

  • 12 Dec 2025 Status changed from not yet recruiting to recruiting.
  • 11 Dec 2025 New trial record

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