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A Study of LY4213663 in Healthy Participants and Participants With Rheumatoid Arthritis
A Study of LY4213663 in Healthy Participants and Participants With Rheumatoid Arthritis

NCT07258849

RecruitingPhase 1

Sponsor: Eli Lilly and Company

Conditions: Rheumatoid Arthritis (RA)

Interventions: LY4213663, LY4213663, Placebo, Placebo

Countries: United States, Germany

The purpose of this study is to evaluate how well LY4213663 is tolerated and what side effects may occur in healthy participants and participants with rheumatoid arthritis (RA). The study drug will be administered either subcutaneously (SC) (under the skin) or intravenously (IV) (into a vein in the arm). Blood tests will be performed to investigate how the body processes the study drug and how the study drug affects the body. The study will last approximately 33 weeks excluding screening.

Eligibility overview

Sex: ALL

Age: 18 Years to 75 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria
Inclusion Criteria:

* Have a body mass index (BMI) of 18.0 to 32.0 kilogram per square meter (kg/m²), inclusive

Part C and D Only:

* Have a body weight at least 50 kilograms and BMI within the range 18.0 to 40.0 kg/m² (inclusive) at screening
* Have a diagnosis of adult-onset RA for at least 3 months prior to screening

Exclusion Criteria:

Healthy Participants for SAD Part A and MAD Part B Only:

* Have a history or presence of cardiovascular, respiratory, hepatic, ophthalmological, renal, gastrointestinal, endocrine, hematological, neurological, or psychiatric disorders capable of significantly altering the absorption, metabolism, or elimination of drugs

Participants with RA for Parts C and D Only:

* Have Class 4 RA according to American College of Rheumatology (ACR) revised criteria
* Have a 12-lead electrocardiogram (ECG) abnormality at screening
* Have a current or recent acute active infection
Locations (10)
  • Anniston, Alabama, United States
  • Phoenix, Arizona, United States
  • Clearwater, Florida, United States
  • Cooper City, Florida, United States
  • Daytona Beach, Florida, United States
  • Hialeah, Florida, United States
  • Miami, Florida, United States
  • Miami Lakes, Florida, United States
  • Las Vegas, Nevada, United States
  • Berlin, Germany