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Irritable Bowel Syndrome (IBS): later-stage trial registry
5 of 6 indexed Irritable Bowel Syndrome (IBS) trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 5 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Irritable Bowel Syndrome (IBS): 6 US clinical trials tracked, 5 recruiting.
Irritable Bowel Syndrome (IBS) is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is National University of Natural Medicine, running 1 of these trials.
Enrollment posture brief
Registry condition irritable-bowel-syndrome-ibs
OPEN 5 | RECR 83% | LATE 1 | EARLY 0 | RANK #2866 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Alcoholic Hepatitis (83% recruiting · 6 trials)
Irritable Bowel Syndrome (IBS) lists 5 open slots (83% of 6 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Irritable Bowel Syndrome (IBS) on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Irritable Bowel Syndrome (IBS) is recruiting above its size-band peers.
5 of 6 indexed trials (83.3%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Irritable Bowel Syndrome (IBS) research.
National University of Natural Medicine accounts for 1 of 6 trials (16.7%). 6 distinct sponsors appear on at least one study for this condition label.
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Most Irritable Bowel Syndrome (IBS) trials plan to enrol fewer than 100 people.
Median target enrolment is 90 among the 6 trials that report a genuine target (sentinel values excluded). 4 of those (66.7%) plan for fewer than 100 participants.
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Irritable Bowel Syndrome (IBS) splits between interventional and observational designs.
3 interventional and 3 observational studies make up this index (50% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Indiana University Gastrointestinal Motility Diagnosis Registry
Indiana University
NCT04506593
Diet and Motility in IBS
Children's Hospital of Philadelphia
NCT07283341
Irritable Bowel Syndrome and Control Volunteers: Diet Challenge
University of California, Los Angeles
NCT06668922
Prospective Observational Study of Naturopathic Approaches to IBS
National University of Natural Medicine
NCT06721624
A Randomized Crossover Trial of Bright Light Therapy in Irritable Bowel Syndrome
Medical University of South Carolina
NCT06676488
Study Of Women With Severe Diarrhea-Predominant Irritable Bowel Syndrome Having Failed Conventional Therapy
GlaxoSmithKline
NCT00067561
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Irritable Bowel Syndrome (IBS) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Irritable Bowel Syndrome (IBS) trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Irritable Bowel Syndrome (IBS) page
6 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 5 Irritable Bowel Syndrome (IBS) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- National University of Natural Medicine sponsors the most Irritable Bowel Syndrome (IBS) trials on record, review their full trial history before evaluating a specific study. See National University of Natural Medicine's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Irritable Bowel Syndrome (IBS) condition card totals 6 registered trials; most-linked intervention Alosetron; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.