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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Reactive Arthritis Clear all
Completed Phase 2 Interventional Results available

Phase IIb Study of Evobrutinib in Subjects With Rheumatoid Arthritis

NCT03233230
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
M2591 25 mg QD, M2951 75 mg QD, M2951 50 mg BID, Placebo
Drug
Lead sponsor
EMD Serono Research & Development Institute, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
8
States / cities
Phoenix, Arizona • San Leandro, California • DeBary, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2020 · Synced Jul 21, 2026, 6:54 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Rheumatology Patient Registry and Biorepository

NCT04402086
View directory record Official record
Conditions
Rheumatic Diseases, Adult Onset Still Disease, Ankylosing Spondylitis, Psoriatic Arthritis, Reactive Arthritis, Antiphospholipid Syndrome, Systemic Lupus Erythematosus, Behcet Disease, Dermatomyositis, Polymyositis, Giant Cell Arteritis, Lyme Disease, Mixed Connective Tissue Disease, Polymyalgia Rheumatica, Rheumatoid Arthritis, Sarcoidosis, Systemic Sclerosis, Scleroderma, Sjogren's Syndrome, Undifferentiated Connective Tissue Diseases
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 21, 2026, 6:54 PM EDT
Completed No phase listed Observational

Prognostic Indicators and Determinants of the 2-5 Year Outcome in a Cohort of Early Synovitis Patients

NCT00001679
View directory record Official record
Conditions
Arthritis, Reactive, Arthritis, Rheumatoid, Synovitis
Interventions
Not listed
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 6:54 PM EDT
Not listed Phase 1Phase 2 Interventional

Recovering Damaged Cells for Sequelae Caused by COVID-19, SARS-CoV-2

NCT04846010
View directory record Official record
Conditions
Sequelae of; Infection, Post Infection Glomerulonephritis, Post-Infectious Peripheral Neuralgia, Post-Infectious Disorder (Disorder), Post-Infectious Arthritis, Post-Infectious Polyneuritis, Post-Infectious Parkinsonism, Post-Infectious Hypothyroidism, Post Infectious Osteoarthritis, Anxiety Disorders, Depression, Depression, Anxiety, Depression, Bipolar, Insomnia, GERD, Gastro Esophageal Reflux, Hepatitis, Glomerulonephritis
Interventions
PurWet, FurFat, PurApo, PurPhl, PurClo, PurInf, Smoliv
Combination Product
Lead sponsor
All Natural Medicine Clinic, LLC
Other
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Jul 21, 2026, 6:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Pathogenesis of Inflammatory Synovitis: A Study of Early Arthritis

NCT00001375
View directory record Official record
Conditions
Arthritis, Arthritis, Reactive, Arthritis, Rheumatoid, Reiter's Disease, Synovitis
Interventions
Not listed
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 6:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Specimen Collection for Individuals With Lung Disease Associated With Rheumatoid Arthritis

NCT00001884
View directory record Official record
Conditions
Pulmonary Fibrosis, Rheumatoid Arthritis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 6:54 PM EDT
Recruiting No phase listed Observational

A Biospecimen Collection Study to Identify the Targets of Disease-Reactive T Cells in Patients With Autoimmune Disease

NCT06587828
View directory record Official record
Conditions
Autoimmune Diseases, Ulcerative Colitis, Multiple Sclerosis, Scleroderma, Ankylosing Spondylitis, Celiac Disease, Non-radiographic Axial Spondyloarthritis (Nr-axSpA), Crohn&Amp;#39;s Disease, Birdshot Chorioretinitis
Interventions
Companion blood samples with procedure
Procedure
Lead sponsor
TScan Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
11
States / cities
Orange, California • Sherman Oaks, California • Skokie, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Jul 21, 2026, 6:54 PM EDT
Recruiting No phase listed Observational

Testing of an Educational Tool for Patients With Melanoma and Pre-Existing Autoimmune Disease Who Are Candidates for Immune Checkpoint Inhibitors

NCT04751396
View directory record Official record
Conditions
Ankylosing Spondylitis, Autoimmune Disease, Crohn Disease, Enteropathic Arthritis, Enteropathic Spondylitis, Inflammatory Bowel Disease, Melanoma, Psoriasis, Psoriatic Arthritis, Reactive Arthritis, Rheumatoid Arthritis, Systemic Lupus Erythematosus, Ulcerative Colitis
Interventions
Best Practice, Educational Intervention, Interview, Questionnaire Administration, Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 21, 2026, 6:54 PM EDT
Completed Phase 3 Interventional Results available

Combination Antibiotic Treatment for Reactive Arthritis Caused by Chlamydia Bacteria

NCT00351273
View directory record Official record
Conditions
Arthritis, Reactive, Reiter Disease
Interventions
Doxycycline and Rifampin, Azithromycin and Rifampin, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Tampa, Florida • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 12, 2018 · Synced Jul 21, 2026, 6:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vitamin D and Fish Oil for Autoimmune Disease, Inflammation and Knee Pain

NCT01351805
View directory record Official record
Conditions
Autoimmune Diseases, Systemic Inflammatory Process, Knee Pain Chronic, Osteoarthritis, Rheumatoid Arthritis
Interventions
Fish Oil, Vitamin D, placebo pill
Drug · Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Jul 21, 2026, 6:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial Evaluating Chemoprophylaxis Against Travelers' Diarrhea - Prevent TD

NCT02498301
View directory record Official record
Conditions
Travelers' Diarrhea, Functional Bowel Disorders, Reactive Arthritis
Interventions
Rifaximin, Placebo
Drug
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
449 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
5
States / cities
San Diego, California • Honolulu, Hawaii • Marine Corps Base Camp Lejeune, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Jul 21, 2026, 6:54 PM EDT
Completed Phase 3 Interventional Results available

ß-SPECIFIC 4 Patients: Study of Pediatric EffiCacy and Safety wIth FIrst-line Use of Canakinumab

NCT02296424
View directory record Official record
Conditions
Systemic Juvenile Idiopathic Arthritis (SJIA)
Interventions
ACZ885 150 mg (Canakinumab)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
2 Years to 20 Years
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Los Angeles, California • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 8, 2019 · Synced Jul 21, 2026, 6:54 PM EDT