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

NCT ID: NCT05848258

Last Updated: 2025-12-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

380 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-23

Study Completion Date

2026-07-31

Brief Summary

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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).

Detailed Description

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Conditions

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Rheumatoid Arthritis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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LY3871801 Phase 2a

Participants will receive LY3871801 administered orally.

Group Type EXPERIMENTAL

LY3871801

Intervention Type DRUG

Administered orally

Placebo Phase 2a

Participants will receive placebo.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Administered orally

LY3871801 Dose 1 Phase 2b

Participants will receive LY3871801 administered orally.

Group Type EXPERIMENTAL

LY3871801

Intervention Type DRUG

Administered orally

LY3871801 Dose 2 Phase 2b

Participants will receive LY3871801 administered orally.

Group Type EXPERIMENTAL

LY3871801

Intervention Type DRUG

Administered orally

LY3871801 Dose 3 Phase 2b

Participants will receive LY3871801 administered orally.

Group Type EXPERIMENTAL

LY3871801

Intervention Type DRUG

Administered orally

Placebo Phase 2b

Participants will receive placebo.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Administered orally

Interventions

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LY3871801

Administered orally

Intervention Type DRUG

Placebo

Administered orally

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Have a diagnosis of adult-onset RA for at least 3 months prior to screening as defined by the 2010 ACR/European League Against Rheumatism (EULAR) classification criteria.
* Have moderately-to-severely active RA at screening and baseline, defined by the presence of

* ≥6 swollen joints based on 66 joint count, and
* ≥6 tender joints based on 68 joint count.
* Have had a history of failure (an inadequate response, intolerance, or loss of response) to at least 1 conventional synthetic disease modifying anti rheumatic drug (csDMARD) and either 1 biologic (bDMARD), or targeted synthetic (tsDMARD) treatment.

Exclusion Criteria

* Have Class IV RA according to ACR revised criteria
* Have presence of 1 or more significant concurrent medical conditions per investigator judgment, including but not limited to

* poorly controlled diabetes or hypertension
* chronic kidney disease stage IIIa or IIIb, IV, or V
* symptomatic heart failure according to New York Heart Association class II, III, or IV
* myocardial infarction,unstable angina pectoris, stroke, or transient ischemic attack within the past 12 months before randomization
* severe chronic pulmonary disease, for example, requiring oxygen therapy
* major chronic inflammatory disease or connective tissue disease other than RA, including but not limited to

* systemic lupus erythematosus
* psoriatic arthritis
* axial spondyloarthritis,including ankylosing spondylitis and non-radiographic axial spondyloarthritis
* reactive arthritis
* gout
* scleroderma
* polymyositis
* dermatomyositis
* active fibromyalgia, or
* multiple sclerosis
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Rigel Pharmaceuticals

INDUSTRY

Sponsor Role collaborator

Eli Lilly and Company

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 8 AM - 8 PM Eastern time (UTC/GMT - 5 hours, EST)

Role: STUDY_DIRECTOR

Eli Lilly and Company

Locations

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Newport Huntington Medical Group

Huntington Beach, California, United States

Site Status RECRUITING

Integrity Clinical Research

Doral, Florida, United States

Site Status ACTIVE_NOT_RECRUITING

Advanced Clinical Research of Orlando - Ocoee

Ocoee, Florida, United States

Site Status ACTIVE_NOT_RECRUITING

Encore Medical Research - Weston

Weston, Florida, United States

Site Status RECRUITING

Conquest Research

Winter Park, Florida, United States

Site Status RECRUITING

Willow Rheumatology and Wellness PLLC

Willowbrook, Illinois, United States

Site Status RECRUITING

Accurate Clinical Research, Inc

Lake Charles, Louisiana, United States

Site Status RECRUITING

Joseph S. and Diane H. Steinberg Ambulatory Care Center

Brooklyn, New York, United States

Site Status RECRUITING

Icahn School of Medicine at Mount Sinai

New York, New York, United States

Site Status SUSPENDED

Accellacare - Salisbury

Salisbury, North Carolina, United States

Site Status RECRUITING

Accurate Clinical Research, Inc

Houston, Texas, United States

Site Status RECRUITING

Overlake Arthritis and Osteoporosis Center

Bellevue, Washington, United States

Site Status NOT_YET_RECRUITING

CIPREC

Buenos Aires, , Argentina

Site Status COMPLETED

Mautalen Salud e Investigación

Buenos Aires, , Argentina

Site Status COMPLETED

CENUDIAB

Buenos Aires, , Argentina

Site Status COMPLETED

Medicina Reumatológica

San Fernando, , Argentina

Site Status COMPLETED

Instituto de Alta Complejidad San Isidro

San Isidro, , Argentina

Site Status COMPLETED

Medical Plus

Uherské Hradiště, , Czechia

Site Status RECRUITING

CHD Vendee

La Roche-sur-Yon, , France

Site Status RECRUITING

CHU Montpellier Lapeyronie Hospital

Montpellier, , France

Site Status NOT_YET_RECRUITING

CHU de Nice

Nice, , France

Site Status RECRUITING

Centre Hospitalier Regional D'Orleans

Orléans, , France

Site Status RECRUITING

Hopitaux Universitaires Paris Centre-Hopital Cochin

Paris, , France

Site Status RECRUITING

Centre Hospitalier Universitaire de Reims - l'Hôpital Maison Blanche

Reims, , France

Site Status RECRUITING

CHU Strasbourg-Hautepierre

Strasbourg, , France

Site Status RECRUITING

Universitaetsklinikum Koeln

Cologne, , Germany

Site Status COMPLETED

HRF II - Hamburger Rheuma Forschungszentrum II MVZ für Rheumatologie und Autoimmunmedizin Hamburg GmbH / -T

Hamburg, , Germany

Site Status COMPLETED

Revita Clinic

Budapest, , Hungary

Site Status RECRUITING

Clinexpert Kft.

Budapest, , Hungary

Site Status RECRUITING

Óbudai Egészségügyi Centrum

Budapest, , Hungary

Site Status RECRUITING

CRU Hungary Kft.

Encs, , Hungary

Site Status RECRUITING

Vásárhelyi Sárkányfű KFT

Hódmezővásárhely, , Hungary

Site Status RECRUITING

Kistarcsai Flor Ferenc Korhaz

Kistarcsa, , Hungary

Site Status RECRUITING

Regia Med Kft

Székesfehérvár, , Hungary

Site Status RECRUITING

Vital Medical Center

Veszprém, , Hungary

Site Status NOT_YET_RECRUITING

Avron Hospitals

Ahmedabad, , India

Site Status RECRUITING

Sushruta Multispeciality Hospital & Research Centre

Hubli, , India

Site Status RECRUITING

Government Medical College And Hospital - Nagpur

Nagpur, , India

Site Status NOT_YET_RECRUITING

All India Institute of Medical Sciences (AIIMS) - Nagpur

Nagpur, , India

Site Status RECRUITING

Grant Medical Foundation - Ruby Hall Clinic

Pune, , India

Site Status RECRUITING

Medipoint Hospitals Pvt. Ltd.

Pune, , India

Site Status RECRUITING

All India Institute of Medical Sciences

Raipur, , India

Site Status RECRUITING

Investigacion y Biomedicina de Chihuahua

Chihuahua City, , Mexico

Site Status RECRUITING

Hospital Aranda de La Parra

León, , Mexico

Site Status RECRUITING

Biológicos Especializados

Mexico City, , Mexico

Site Status RECRUITING

Kohler and Milstein Research S.A. de C.V.

Mérida, , Mexico

Site Status RECRUITING

Medical Care and Research SA de CV

Mérida, , Mexico

Site Status RECRUITING

Hospital Universitario "Dr. Jose Eleuterio Gonzalez"

Monterrey, , Mexico

Site Status RECRUITING

Cicmex Centro de Investigación Clínica de México

Morelia, , Mexico

Site Status RECRUITING

Centro de Atención e Investigación Cardiovascular del Potosí

San Luis Potosí City, , Mexico

Site Status RECRUITING

CIMAB SA de CV

Torreón, , Mexico

Site Status RECRUITING

Nova Reuma Domyslawska i Rusilowicz Spolka Partnerska Lekarza Reumatologa i Fizjoterapeuty

Bialystok, , Poland

Site Status RECRUITING

Nzoz Bif-Med

Bytom, , Poland

Site Status RECRUITING

MICS Centrum Medyczne Warszawa

Warsaw, , Poland

Site Status RECRUITING

Centrum Medyczne Reuma Park

Warsaw, , Poland

Site Status RECRUITING

Hull Royal Infirmary

Hull, , United Kingdom

Site Status NOT_YET_RECRUITING

New Cross Hospital

Wolverhampton, , United Kingdom

Site Status COMPLETED

Countries

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United States Argentina Czechia France Germany Hungary India Mexico Poland United Kingdom

Central Contacts

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Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or

Role: CONTACT

1-317-615-4559

Physicians interested in becoming principal investigators please contact

Role: CONTACT

Facility Contacts

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Role: primary

714-378-2440

Role: primary

561-774-8799

Role: primary

407-916-0060

Role: primary

434-962-8466

Role: primary

337-312-8018

Role: primary

929-455-2500

Role: primary

704-647-9913

Role: primary

281-481-8557

Role: primary

33.238.744.014

Role: primary

0388127953

Role: primary

3612016948

Role: primary

+36 1 436 7344

Role: primary

+3646798262

Role: primary

+3628507716

Role: primary

+36203529220

Role: primary

36309930382

Role: primary

08511555477

Role: primary

02066455495

Role: primary

526144373003

Role: primary

525554151917

Role: primary

+529999204004

Role: primary

9999203879

Role: primary

52444 8340596

Role: primary

(871) 1921259

Role: primary

48603995591

Role: primary

48508270636

Role: primary

+48602328616

Role: primary

01482605298

Related Links

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https://trials.lilly.com/en-US/trial/401857

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

Other Identifiers

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J3P-MC-FTAF

Identifier Type: OTHER

Identifier Source: secondary_id

2022-502994-40-00

Identifier Type: OTHER

Identifier Source: secondary_id

18516

Identifier Type: -

Identifier Source: org_study_id

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