An Adaptive Phase 2a/2b Study of LY3871801 in Adult Participants With Rheumatoid Arthritis

The main purpose of this study is to evaluate the efficacy and safety of LY3871801 in adult participants with active moderately-to-severe rheumatoid arthritis (RA).

Enter your city or zip code to find the nearest site

See if You May Qualify

Answer a few questions to see if you meet key criteria for this study.

Trial Summary

Age Range
≥18 years
Conditions the trial is for
Rheumatoid Arthritis
What the trial is testing?
Could I receive a Placebo?
Enrollment Goal
Trial Dates
May 23, 2023 - Jul 2026
How long will I be in the trial?
The study will last about 38 weeks and may include up to 13 visits.
Trial Phase

Key Requirements

Clinical trials have inclusion and exclusion requirements to determine which individuals qualify for participation. Listed below are key requirements for this clinical trial, but there may be additional requirements to qualify.

Participants Must:

  • Have a diagnosis of adult onset rheumatoid arthritis for at least 3 months

Participants Must Not:

  • Had cancer within the last 5 years, except for some types of skin cancer or cervical cancer

  • Had certain types of infections within the last 3 months

  • Have HIV

  • Have current hepatitis virus B or C infection

Lilly Trial Alerts

Not the right fit? Sign up to receive updates about new trials that are listed or when a new trial site begins enrolling near you.

Take the Next Step

Complete this Lilly Trial Match questionnaire to find out if this clinical trial may be a good fit for you, or a loved one.
When you press Start Lilly Trial Match, you will answer questions about relevant medical conditions and treatment history. The answers will be compared to some of the key criteria for this trial, called inclusion and exclusion criteria.

If your responses show that the trial may be a good fit, you can:
  • Select which clinical trial site works best for you.
  • Share your details and questionnaire directly with site(s) that allow this.
  • Get contact details for the site(s) of your choice.

Completing the Trial Match questionnaire doesn’t mean that you will be enrolled in a study. There may be more eligibility criteria for the study which are assessed by the Lilly clinical team.

Clinical Trial Resources

Rheumatoid Arthritis Research

By volunteering to take part in Rheumatoid Arthritis clinical trials, you may be able to play an important role in the research and development of potential new treatments and medicines. We understand that when you or a loved one take part in a clinical trial, it is a big decision. It is important for you to understand why the research is being carried out and what taking part will mean for you. Learn more about Lilly

Rheumatoid Arthritis Research

Immunology  Research

Click the below button to learn more about our autoimmune disease research and clinical trials.

Learn More

Clinical Trial Participation: What to Expect

A clinical trial is a scientific study. It helps us learn if a new medicine or treatment works and how it works. Clinical trials can also be called clinical research studies. Learn more about clinical research studies and what to expect when taking part in a clinical trial.