An Adaptive Phase 2a/2b Study of LY3871801 in Adult Participants With Rheumatoid Arthritis
Public ClinicalTrials.gov record NCT05848258. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Adaptive Phase 2a/2b, Randomized, Double-Blind, Placebo-Controlled Study of LY3871801 in Adult Participants With Moderately-to-Severely Active Rheumatoid Arthritis
Study identification
- NCT ID
- NCT05848258
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Eli Lilly and Company
- Industry
- Enrollment
- 164 participants
Conditions and interventions
Conditions
Interventions
- LY3871801 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 22, 2023
- Primary completion
- Dec 7, 2025
- Completion
- Mar 31, 2026
- Last update posted
- Apr 22, 2026
2023 – 2026
United States locations
- U.S. sites
- 12
- U.S. states
- 8
- U.S. cities
- 12
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Newport Huntington Medical Group | Huntington Beach | California | 92648 | — |
| Integrity Clinical Research | Doral | Florida | 33122 | — |
| Advanced Clinical Research of Orlando - Ocoee | Ocoee | Florida | 34761 | — |
| Encore Medical Research - Weston | Weston | Florida | 33331 | — |
| Conquest Research | Winter Park | Florida | 32789 | — |
| Willow Rheumatology and Wellness PLLC | Willowbrook | Illinois | 60527 | — |
| Accurate Clinical Research, Inc | Lake Charles | Louisiana | 70605 | — |
| Joseph S. and Diane H. Steinberg Ambulatory Care Center | Brooklyn | New York | 11201 | — |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| Accellacare - Salisbury | Salisbury | North Carolina | 28144 | — |
| Accurate Clinical Research, Inc | Houston | Texas | 77089 | — |
| Overlake Arthritis and Osteoporosis Center | Bellevue | Washington | 98004 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 42 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05848258, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 22, 2026 · Synced Apr 29, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05848258 live on ClinicalTrials.gov.