๐Ÿ”Ž Trials Near Me

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Constipation clinical trials recruiting in the U.S.

17 studies for Constipation are recruiting participants at sites across the United States.

Feeling "backed-up" or like you need to "go" but just can't? Read some of the reasons why this could be happening and learn some prevention tips.

By state

Recently updated studies

A Study of Brenipatide (LY3537031) in Participants With Irritable Bowel Syndrome-Constipation (IBS-C)

RecruitingPhase 2
Ages 18 to 75 ยท All sexes ยท Updated Sep 22, 2026 ยท NCT07545772

Home Transcutaneous Electrical Acustimulation (TEA)

RecruitingPhase 2/3
Ages 18 and older ยท All sexes ยท Updated Sep 17, 2026 ยท NCT05519683

Understanding Mechanisms of Normal and Disordered Defecation

RecruitingHealthy volunteers welcome
Ages 18 to 80 ยท All sexes ยท Updated Aug 21, 2026 ยท NCT03842007

Radicle GI HealthTM VNB: A Study Assessing the Impact of Health and Wellness Products on Constipation and Related Health Outcomes

RecruitingHealthy volunteers welcome
Ages 21 to 105 ยท All sexes ยท Updated Aug 20, 2026 ยท NCT07713810

Evaluation of Fecal Microbiome Changes After Antegrade Continence Enema Placement and Initiation of Bowel Flush Regimen

RecruitingPhase 4Healthy volunteers welcome
Ages 2 to 18 ยท All sexes ยท Updated Aug 18, 2026 ยท NCT05821309

A Study of Microbiome Transplantation for the Treatment of Constipation and/or Significant Bloating in Patients With Systemic Sclerosis

RecruitingPhase 2
Ages 18 and older ยท All sexes ยท Updated Jul 8, 2026 ยท NCT06827977

Indiana University Gastrointestinal Motility Diagnosis Registry

RecruitingObservational study
All ages ยท All sexes ยท Updated Jun 16, 2026 ยท NCT04506593

A Study of Herbal Supplements in Cancer Survivors With Constipation

Recruiting
Ages 18 and older ยท All sexes ยท Updated May 22, 2026 ยท NCT07091084

Optimization of Postoperative Bowel Habits

Recruiting
Ages 18 and older ยท Women ยท Updated Feb 27, 2026 ยท NCT06335797

Pyridostigmine for the Treatment of Constipation in Parkinson Disease

RecruitingPhase 2
Ages 18 and older ยท All sexes ยท Updated Feb 23, 2026 ยท NCT05603715

Impact of Weizmannia (Bacillus) Coagulans JBI-YZ6.3 on Gut Health and Fecal Microbiome Changes

RecruitingHealthy volunteers welcome
Ages 18 to 50 ยท All sexes ยท Updated Feb 5, 2026 ยท NCT07388264

Management of Dyssynergic Defecation

Recruiting
Ages 18 to 80 ยท All sexes ยท Updated Nov 10, 2025 ยท NCT07225803

Fecobionics in Biofeedback Therapy in Dyssynergia Patients

Recruiting
Ages 21 to 75 ยท All sexes ยท Updated Oct 21, 2025 ยท NCT05807321

Interrogating the Pathophysiological Mechanisms of Constipation in Patients With Systemic Sclerosis

Recruiting
Ages 18 and older ยท All sexes ยท Updated Jun 26, 2025 ยท NCT05989763

Preop Laxatives in Robotic Urologic Surgery

RecruitingPhase 4Healthy volunteers welcome
Ages 30 to 100 ยท All sexes ยท Updated May 30, 2025 ยท NCT05805436

Tenapanor in Synucleinopathy-Related Constipation

RecruitingPhase 2
Ages 50 to 89 ยท All sexes ยท Updated Feb 10, 2025 ยท NCT06460038

Viome Nutritional Programs to Improve Clinical Outcomes for Gastrointestinal Conditions

Recruiting
Ages 25 to 75 ยท All sexes ยท Updated Jan 29, 2025 ยท NCT05465629

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.