Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Constipation: full-pipeline trial registry
15 of 55 indexed Constipation trials are currently recruiting.
Corpus placement: #254 of 28,707 conditions by registered trial count.
55 US clinical trials · 15 currently recruiting · #254 of 28,707 conditions by registered trial count
Constipation: 55 US clinical trials tracked, 15 recruiting.
Constipation is the subject of 55 registered US clinical trials on ClinicalTrials.gov, 15 of them currently open to new participants. 16 are in Phase 3-4 (later-stage) and 13 in Phase 1-2 (earlier-stage). The most active sponsor is Mayo Clinic, running 5 of these trials.
Enrollment posture brief
Registry condition constipation
OPEN 15 | RECR 27% | LATE 16 | EARLY 13 | RANK #254 | SPON 5
Volume-matched condition peers
Nearest open-share peer: Atherosclerotic Cardiovascular Disease (27% recruiting · 22 trials)
Constipation lists 15 open slots (27% of 55 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 Constipation 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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Constipation is recruiting below its size-band peers.
15 of 55 indexed trials (27.3%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Constipation trials is spread across many organizations.
Mayo Clinic accounts for 5 of 55 trials (9.1%). 41 distinct sponsors appear on at least one study for this condition label.
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Most Constipation trials plan to enrol fewer than 100 people.
Median target enrolment is 64 among the 55 trials that report a genuine target (sentinel values excluded). 35 of those (63.6%) plan for fewer than 100 participants.
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Constipation research is mostly interventional.
48 interventional and 7 observational studies make up this index (87.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
55 total, page 2 of 2
Effects of Constipation Treatment in Chronic Kidney Disease: A Pilot Feasibility Trial
University of Tennessee
NCT06123195
Methylnaltrexone for Opioid-induced Constipation in Cancer Patients
University of Vermont
NCT01004393
Endoscopic Mucosal Resection for the Diagnosis of a-Ganglionosis, a Controlled Prospective Trial (EDGE Trial)
Massachusetts General Hospital
NCT01515501
Use of a Prokinetic Agent as an Adjunct to Thrice Weekly Bowel Care After SCI
James J. Peters Veterans Affairs Medical Center
NCT04671030
Transdermal Administration by a Novel Wireless Iontophoresis Device
James J. Peters Veterans Affairs Medical Center
NCT06351852
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 5 |
| Phase 2 | 8 |
| Phase 3 | 6 |
| Phase 4 | 10 |
Top Sponsors
Named interventions
Most-linked intervention names on Constipation records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Constipation 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 Constipation page
55 registered trials, 15 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 15 Constipation trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Mayo Clinic sponsors the most Constipation trials on record, review their full trial history before evaluating a specific study. See Mayo Clinic'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 Constipation condition card totals 55 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.