Diarrhea clinical trials
The registry lists 852 studies for Diarrhea across more than 10 countries. 78 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-22.
Status
- Completed
- 574
- Status unknown
- 96
- Terminated
- 58
- Recruiting
- 42
- Withdrawn
- 28
- Not yet recruiting
- 27
Phase
- Phase 2
- 189
- Phase 3
- 145
- Phase 4
- 89
- Phase 1
- 67
- Early Phase 1
- 12
Where
- United States
- 228
- China
- 49
- Canada
- 49
- Bangladesh
- 47
- India
- 35
- United Kingdom
- 34
Who runs them
International Centre for Diarrhoeal Disease Research, Bangladesh (17) · Mayo Clinic (13) · London School of Hygiene and Tropical Medicine (13) · Johns Hopkins Bloomberg School of Public Health (12) · PATH (11) · Bausch Health Americas, Inc. (11) · Medical University of Warsaw (9) · Centers for Disease Control and Prevention (9)
Studies
Recruiting first, then most recently updated. Showing 50 of 852 — search for more.
- A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Diarrhea (IBS-D)RecruitingNCT07545759Phase 210 countries
- Fecal Microbiota Transplantation in Treating Immune-Checkpoint Inhibitor Induced-Diarrhea or Colitis in Genitourinary Cancer PatientsRecruitingNCT04038619Phase 11 country
- Impact Evaluation of Accelerating Climate-Resilient Water, Sanitation and Hygiene Services for Schools and Healthcare Facilities in KaramojaRecruitingNCT07823231Not applicable1 country
- Rural Water Filtration and Health StudyNot yet recruitingNCT07818902Not applicable
- Evaluating the LGG of on Acute Infectious Diarrhea in ChildrenRecruitingNCT07342101Not applicable1 country
- Hens Hatching HopeRecruitingNCT04721197Not applicable1 country
- Vedolizumab for the Prevention of ICI Related Diarrhea or Colitis in Patients With CancerRecruitingNCT06337695Phase 2/31 country
- Rifaximin 200 mg Plus Oral Rehydration vs Oral Rehydration Alone in Children With Acute DiarrheaRecruitingNCT07285785Phase 41 country
- Safety of Lactobacillus LB Postbiotic in Immunocompromised Paediatric Patients With Diarrhoeal DiseaseNot yet recruitingNCT07758933Phase 1/21 country
- Rash & Diarrhea Prophylaxis With CapivasertibRecruitingNCT07426822Phase 21 country
- A Study of SER-155 to Treat Diarrhea in People on ImmunotherapyRecruitingNCT06801067Phase 11 country
- Gut Microbiota and Diarrhea in Breast Cancer Patients Receiving PyrotinibRecruitingNCT072649851 country
- A Post-marketing Observational Study of Oral Cholera VaccineEnrolling by invitationNCT07300462Phase 41 country
- Bristol Stool Scale-Based Care Pathway for Enteral Nutrition-Associated Diarrhea in Critically Ill PatientsNot yet recruitingNCT07683364Not applicable1 country
- GLP-1 Receptor Agonists and Early Proctologic Effects in Morbid ObesityNot yet recruitingNCT076687651 country
- Probiotics for Prevention of Neratinib-Induced Diarrhea in Breast Cancer PatientsRecruitingNCT06892093Not applicable1 country
- Small Intestinal Bacterial Overgrowth: A Prospective RegistryEnrolling by invitationNCT018224701 country
- Enabling Microbiomics- Driven Personalized NutritionEnrolling by invitationNCT066570011 country
- Balanced Crystalloid vs Normal Saline in Pediatric Acute GastroenteritisRecruitingNCT076103821 country
- Evaluating In-line Chlorination in NigeriaNot yet recruitingNCT07601503Not applicable1 country
- Fecal Microbiota Transplantation for IBSRecruitingNCT05776914Phase 21 country
- Improved Child Nutrition and Development Through Social TransfersNot yet recruitingNCT07569172Not applicable1 country
- The Impact of Shigellosis and Recommended Treatment in ChildrenRecruitingNCT07433426Phase 22 countries
- Defining Ileorectal Syndrome: a Prospective Observational StudyRecruitingNCT073851961 country
- The Auxiliary Effect of Artificial Intelligence in the Detection of Precancerous Lesions in Proximal Colon CancerNot yet recruitingNCT073386431 country
- Long-Term Immunogenicity of the altSonflex1-2-3 Shigella Vaccine in African ChildrenNot yet recruitingNCT07320716Phase 2
- Evaluating a Water Safety Plan Intervention in GhanaEnrolling by invitationNCT07317167Not applicable1 country
- Novel Pilot Study to Treat Symptoms of IBS With Diarrhea Using Combination Therapy of a Low-FODMAP Diet and a NeuromodulatorRecruitingNCT06684470Early Phase 11 country
- Diagnostic PCR Panel in Children With Acute Gastrointestinal SymptomsNot yet recruitingNCT07280624Not applicable
- Cholera-Hospital-Based-Intervention-for-7-Days (CHoBI7) Water, Sanitation, and Hygiene (WASH) Case Area Targeted Intervention (CATI)RecruitingNCT06003816Not applicable1 country
- Expanding Access to Safe Water in NigeriaRecruitingNCT07246824Not applicable1 country
- Use of A Complex Gut Bacterial Consortium (MITI 001) for the Treatment of Irritable Bowel Syndrome With DiarrheaNot yet recruitingNCT07238790Early Phase 11 country
- First in Human Dose Escalation Study Evaluating the Safety and Immunogenicity of IVT's Shigella-04 Vaccine in Healthy Young AdultsRecruitingNCT07205926Phase 11 country
- FMT in Checkpoint Inhibitor-mediated Diarrhea and ColitisRecruitingNCT06206707Not applicable1 country
- Lactoferrin and Lysozyme Supplementation for Long-term Diarrhea SequelaeRecruitingNCT05519254Phase 31 country
- Effect of Use of Probiotics on Systemic Infection in Critically Ill Patients: a Double Blind, Randomized, Placebo-controlled TrialEnrolling by invitationNCT07164781Not applicable1 country
- Prophylactic Mesalamine to Prevent Colitis Following Treatment With Ipilimumab/Nivolumab (Ipi/Nivo)RecruitingNCT05663775Phase 21 country
- Impact of Probiotics on Antibiotic-associated Diarrhea in Community-acquired PneumoniaNot yet recruitingNCT06990568Phase 4
- Evaluation of Butyrate Effect on DiarrheaEnrolling by invitationNCT06982703Not applicable1 country
- Efficacy of Repeated Transcranial Magnetic Stimulation Combined With a Live Probiotic Tablet (Combined Bifidobacterium, Lactobacillus, Enterococcus and Bacillus Cereus Tablets, Live) in Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)RecruitingNCT06960369Phase 11 country
- Clinical Study on Fecal Microbiota Transplantation for Diarrhea After Total PancreatectomyNot yet recruitingNCT06960122Not applicable1 country
- A Flexible Clinical Trial to Test if Freeze-dried Fecal Microbiota Therapy Helps Treat Diarrhea-predominant Irritable Bowel Syndrome or Prevent Recurring C. Difficile Infections.Not yet recruitingNCT06948461Phase 2
- Management of Shock in Children With SAM or Severe Underweight and DiarrheaRecruitingNCT04750070Phase 31 country
- Fecal Microbiota Transplantation for Preventing Gastrointestinal Symptoms in Extrapulmonary Neuroendocrine Neoplasms: A Real-World StudyNot yet recruitingNCT06924645Not applicable1 country
- Acupoint Application With Herbal Fumigation and Wash for Preventing Diarrhea-induced Perianal Infection in Allo-HSCT PatientsEnrolling by invitationNCT06912347Not applicable1 country
- A Study to Evaluate the Efficacy and Safety of Live SK08 Powder in Patients With IBS-DRecruitingNCT06247046Phase 31 country
- Prevalence and Natural History of Functional Gastrointestinal Disorders Among At-risk Infants.RecruitingNCT060310251 country
- CMTS4520-Assisted Washed Microbiota Transplantation for Chronic Diarrhoea in AdultsNot yet recruitingNCT06839599Phase 1/21 country
- Efficacy of Chatbot for Irritable Bowel Syndrome (IBS) PatientsEnrolling by invitationNCT06837064Not applicable1 country
- Efficacy and Safety of Adjunctive Use of Rifaximin In Preventing Radiotherapy-induced Diarrhea in Cancer PatientsNot yet recruitingNCT06783153Phase 1/21 country