Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Gastrointestinal Microbiome: early-phase trial registry
6 of 7 indexed Gastrointestinal Microbiome trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,497 of 28,707 conditions by registered trial count.
7 US clinical trials · 6 currently recruiting · #2,497 of 28,707 conditions by registered trial count
Gastrointestinal Microbiome: 7 US clinical trials tracked, 6 recruiting.
Gastrointestinal Microbiome is the subject of 7 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is ProgenaBiome, running 1 of these trials.
Enrollment posture brief
Registry condition gastrointestinal-microbiome
OPEN 6 | RECR 86% | LATE 0 | EARLY 3 | RANK #2497 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adenovirus (86% recruiting · 7 trials)
Gastrointestinal Microbiome lists 6 open slots (86% of 7 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 Gastrointestinal Microbiome 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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Gastrointestinal Microbiome is recruiting above its size-band peers.
6 of 7 indexed trials (85.7%) 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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Sponsorship of Gastrointestinal Microbiome trials is spread across many organizations.
ProgenaBiome accounts for 1 of 7 trials (14.3%). 7 distinct sponsors appear on at least one study for this condition label.
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Typical Gastrointestinal Microbiome enrolment sits around 80 participants.
Median target enrolment is 80 among the 7 trials that report a genuine target (sentinel values excluded). 4 of those (57.1%) plan for fewer than 100 participants.
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Gastrointestinal Microbiome research is mostly interventional.
6 interventional and 1 observational studies make up this index (85.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
7 total, page 1 of 1
Vaginal Microbiome Seeding and Health Outcomes in Cesarean-delivered Neonates.
National Institute of Allergy and Infectious Diseases (NIAID)
NCT03298334
A Study to Explore the Role of Gut Flora in COVID-19 Infection
ProgenaBiome
NCT04359836
A Randomized, Triple-blind, Placebo-controlled Study to Evaluate the Effects of a Supplement on Nutrient Gaps and Gut Health Among Individuals Utilizing GLP-1 RAs
Athletic Greens International
NCT07437911
COffee and Metabolites Modulating the Gut MicrobiomE in Colorectal caNCER
Massachusetts General Hospital
NCT05692024
Influence of Short-Term Antibiotic Therapy on Exercise
Rutgers, The State University of New Jersey
NCT05961189
Smart Underwear to Measure Diet-Induced Hydrogen Sulfide Production
University of Colorado, Denver
NCT06802276
Assessing the Dose Response of a Lead Fiber Snack Prototype
Washington University School of Medicine
NCT04729816
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Gastrointestinal Microbiome records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Gastrointestinal Microbiome 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 Gastrointestinal Microbiome page
7 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 6 Gastrointestinal Microbiome trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- ProgenaBiome sponsors the most Gastrointestinal Microbiome trials on record, review their full trial history before evaluating a specific study. See ProgenaBiome'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 Gastrointestinal Microbiome condition card totals 7 registered trials; most-linked intervention Controlled, high fat/low fiber diet background diet, sequentially supplemented with an escalating dose of a fiber-blend snack food.; top US site state Colorado. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.