Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Functional Constipation: early-phase trial registry
1 of 5 indexed Functional Constipation trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #3,391 of 28,707 conditions by registered trial count.
5 US clinical trials · 1 currently recruiting · #3,391 of 28,707 conditions by registered trial count
Functional Constipation: 5 US clinical trials tracked, 1 recruiting.
Functional Constipation is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Tsumura U, running 1 of these trials.
Enrollment posture brief
Registry condition functional-constipation
OPEN 1 | RECR 20% | LATE 1 | EARLY 2 | RANK #3391 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive (20% recruiting · 10 trials)
Functional Constipation lists 1 open slots (20% of 5 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 Functional 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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Functional Constipation is recruiting below its size-band peers.
1 of 5 indexed trials (20%) 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 Functional Constipation research.
Tsumura U accounts for 1 of 5 trials (20%). 5 distinct sponsors appear on at least one study for this condition label.
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Most Functional Constipation trials plan to enrol fewer than 100 people.
Median target enrolment is 45 among the 5 trials that report a genuine target (sentinel values excluded). 4 of those (80%) plan for fewer than 100 participants.
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Functional Constipation research is mostly interventional.
5 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
5 total, page 1 of 1
A Study of Herbal Supplements in Cancer Survivors With Constipation
Memorial Sloan Kettering Cancer Center
NCT07091084
Long-term Safety of Linaclotide in Pediatric Participants With FC or IBS-C
AbbVie
NCT04166058
Effect of TU-100 on Rectal Compliance, Rectal Sensation and Small Bowel and Colonic Transit in Females With Constipation
Tsumura U
NCT01139216
Adherence and Outcomes in Functional Constipation With a Constipation Action Plan
University of Alabama at Birmingham
NCT04614935
Study of NGM282 in Subjects With Functional Constipation and Healthy Individuals
NGM Biopharmaceuticals
NCT02649062
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Functional Constipation records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Functional 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 Functional Constipation page
5 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Functional Constipation trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Tsumura U sponsors the most Functional Constipation trials on record, review their full trial history before evaluating a specific study. See Tsumura U'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 Functional Constipation condition card totals 5 registered trials; most-linked intervention NGM282; top US site state Minnesota. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.