Crohn Disease Clinical Trials

133 recruiting

Crohn Disease Trials at a Glance

171 actively recruiting trials for crohn disease are listed on ClinicalTrialsFinder across 6 cities in 42 countries. The largest study group is Not Applicable with 61 trials, with the heaviest enrollment activity in Amiens, Paris, and Lille. Lead sponsors running crohn disease studies include Massachusetts General Hospital, Assistance Publique - Hôpitaux de Paris, and Second Affiliated Hospital, School of Medicine, Zhejiang University.

Browse crohn disease trials by phase

Treatments under study

Understanding Crohn Disease Clinical Trials

Infliximab (Remicade), approved in 1998 after groundbreaking clinical trials, was the first biologic therapy for Crohn disease and revolutionized treatment by demonstrating that targeting the inflammatory protein TNF-alpha could heal the intestinal lining, not just reduce symptoms. Since then, trials have delivered additional biologics including adalimumab, vedolizumab, and ustekinumab, as well as the newer oral JAK inhibitor upadacitinib. Despite this growing treatment arsenal, approximately one-third of Crohn disease patients do not respond adequately to available therapies, and many who initially respond lose efficacy over time, making ongoing clinical trial research essential.

Why Consider a Clinical Trial?

Crohn disease is a chronic inflammatory condition that can affect any part of the gastrointestinal tract and often requires lifelong management. While current treatments can control inflammation in many patients, the experience of cycling through medications as they lose effectiveness is common. Patients may also develop antibodies to biologic drugs, experience intolerable side effects, or have disease in locations (such as the upper GI tract or perianal area) that responds poorly to standard therapies. Clinical trials offer access to treatments with novel mechanisms that may work where existing drugs have not. Beyond drug therapies, Crohn disease trials are also advancing our understanding of mucosal healing — the goal of not just controlling symptoms but fully repairing the intestinal lining, which is associated with better long-term outcomes. Trials are testing drugs that target new inflammatory pathways, combination strategies pairing biologics with other agents, diet-based interventions with scientific rigor, and even stem cell therapies for patients with complex fistulizing disease. For patients who feel they have exhausted their treatment options, trials frequently represent a meaningful next step.

Frequently Asked Questions

Common questions about Crohn Disease clinical trials

Some trials specifically enroll patients in remission to study maintenance strategies or to compare long-term outcomes between treatments. However, most trials for new therapies require that you have active disease, typically confirmed by endoscopy and elevated inflammatory markers. Your current disease status determines which trials are appropriate.

Most treatment trials for active Crohn disease require a recent colonoscopy or ileocolonoscopy to confirm inflammation and establish a baseline endoscopic score. This is typically performed within four to six weeks before enrollment. Some trials accept flexible sigmoidoscopy or capsule endoscopy depending on your disease location.

Yes. Pediatric Crohn disease trials exist, though they are fewer in number than adult trials. These trials have additional safety protections and ethical oversight specific to minors. Pediatric gastroenterology centers at academic hospitals are the best resource for finding trials open to younger patients.

Trial protocols have predefined plans for managing flares, which may include corticosteroid rescue therapy or dose adjustments. If the study treatment is not controlling your disease after a defined period, the protocol will typically allow you to exit the trial and return to standard care. Your safety and disease management remain the priority.

Several rigorous clinical trials are studying specific dietary interventions, including the Crohn Disease Exclusion Diet (CDED) and variations of exclusive enteral nutrition. These trials use standardized protocols and objective endpoints like endoscopic healing. While results are promising, dietary approaches are being studied as complements to, not replacements for, medical therapy.

Showing 120 of 171 trials

Recruiting
Phase 2

Standardized Microbiota Transplant Therapy in Crohn's Disease

Crohn Disease
University of Minnesota120 enrolled2 locationsNCT06631586
Recruiting
Not Applicable

Combining Nutritional Therapy and Anti-TNFα Treatment in Pediatric Patients With Crohn's Disease

IBD (Inflammatory Bowel Disease)Crohn Disease (CD)
University of British Columbia140 enrolled1 locationNCT07314606
Recruiting
Not Applicable

A Smartphone Application for Added Psychological Wellbeing in Crohn's Disease

Crohn Disease
Soroka University Medical Center200 enrolled4 locationsNCT06221254
Recruiting

Predictors of Prognosis in IBD Patients

Inflammatory Bowel DiseasesCrohn DiseaseUlcerative Colitis
Seoul National University Bundang Hospital100 enrolled1 locationNCT05653011
Recruiting
Not Applicable

IBD-Sleep: A Pilot Study Looking at Changes in Sleep Timing and IBD Symptoms

Inflammatory Bowel DiseasesCrohn DiseaseUlcerative Colitis
University of Michigan68 enrolled1 locationNCT06094608
Recruiting
Phase 2

Efficacy and Safety of Obefazimod in Subjects With Moderately to Severely Active Crohn's Disease

Moderately to Severely Active Crohn Disease
Abivax S.A.212 enrolled149 locationsNCT06456593
Recruiting
Not Applicable

Ileal Crohn's Disease and Post-operative Outcome: Prospective Cohort Study of the REMIND Group

Crohn Disease
Saint-Louis Hospital, Paris, France575 enrolled17 locationsNCT03458195
Recruiting

Seattle Spatial Transcriptomic Research in Inflammatory Bowel Disease Evaluation (STRIDE)

Inflammatory Bowel DiseasesCrohn DiseaseUlcerative Colitis+9 more
Seattle Children's Hospital200 enrolled1 locationNCT06315179
Recruiting
Phase 2

HB-adMSCs for the Treatment of Crohn's Disease

Crohn Disease (CD)
Hope Biosciences Research Foundation46 enrolled1 locationNCT07077746
Recruiting
Phase 1

Testing an Immunotherapy Anti-cancer Drug, Nivolumab, for Advanced Cancers in Patients With Autoimmune Disorders, AIM-NIVO

Malignant Solid NeoplasmHematopoietic and Lymphoid Cell NeoplasmRheumatoid Arthritis+11 more
National Cancer Institute (NCI)300 enrolled52 locationsNCT03816345
Recruiting
Phase 4

TNFi Plus Low-Dose Upadacitinib vs TNFi Intensification in Crohn's Disease With Suboptimal Response

Crohn Disease (CD)
Sixth Affiliated Hospital, Sun Yat-sen University312 enrolled1 locationNCT07510191
Recruiting

COMPARE - Pediatric Inflammatory Bowel Disease (PIBD)

Inflammatory Bowel DiseasesCrohn DiseaseUlcerative Colitis, Pediatric
University of North Carolina, Chapel Hill1,100 enrolled4 locationsNCT07198113
Recruiting

Immunological Characteristics of Preclinical IBD

Crohn DiseaseUlcerative ColitisIBD
Grupo Espanol de Trabajo en Enfermedad de Crohn y Colitis Ulcerosa450 enrolled25 locationsNCT05698745
Recruiting
Phase 4

A Study to Evaluate the Efficacy of Guselkumab in Chinese Participants With Crohn's Disease (CD)

Crohn Disease
Xian-Janssen Pharmaceutical Ltd.78 enrolled5 locationsNCT07310095
Recruiting

A Study to Assess the Long-Term Safety of Ustekinumab Versus Other Biologics in Patients With Crohn's Disease and Ulcerative Colitis

Crohn Disease
Janssen Scientific Affairs, LLC1,056 enrolled1 locationNCT04372108
Recruiting
Not Applicable

Early vs Delayed Surgery for Stricturing CD--a RCT

Crohn Disease
Zhu Weiming138 enrolled1 locationNCT05421455
Recruiting

The Impact of Perianal Disease on Patient's Sex Life

Fistula in AnoPerianal FistulaPerianal Abscess+3 more
AHEPA University Hospital60 enrolled1 locationNCT07519850
Recruiting
Phase 4

Glucagon-like Peptide-1 Receptor Agonist (GLP-1 RA) and Diet in Inflammatory Bowel Disease (IBD) Patients

Crohn Disease
University of Miami24 enrolled1 locationNCT06774079
Recruiting
Phase 4

Combined Immunosuppression for Pediatric Crohn's Disease

Crohn DiseaseImmunosuppressionChildren, Only+1 more
Children's Hospital of Fudan University128 enrolled1 locationNCT05043870
Recruiting
Not Applicable

Safety of Mesentery-embedding Surgery in Patients With Ileocolic Crohn's Disease on Biotherapy

Crohn Disease
Centre Hospitalier Universitaire de Nīmes30 enrolled2 locationsNCT06856044