Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Microbiota clinical trials
Every US clinical trial registered for Microbiota — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
11 US clinical trials · 3 currently recruiting
The research picture
Microbiota has 11 registered US clinical trials, 3 of them open to new participants right now — about 27% of the total.
- 3
- recruiting participants now
- 27%
- of trials open to enrollment
- 0
- in Phase 3–4 (later-stage)
- 2
- top sponsor: Seeding
Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.
Active & Recent Trials
Vaginal Microbiome Seeding and Health Outcomes in Cesarean-delivered Neonates.
National Institute of Allergy and Infectious Diseases (NIAID)
NCT03298334
Flourish: Exploring the Early Infant Gut Microbiome
Seeding
NCT07333482
Capillary Endoscopy Aspiration Catheter
Cedars-Sinai Medical Center
NCT04418258
DASH INtervention to INvestigate the Gut
H. Lee Moffitt Cancer Center and Research Institute
NCT04538482
Infant Restore: Efficacy of Microbiome Analysis and Education
Seeding
NCT06424691
Clinical Trial to Assess the Effects of Topical Lotions on Changes in the Skin Microbiome and Associations With Itch
Johnson & Johnson Consumer Products Company Division of Johnson & Johnson Consumer Companies
NCT03673059
Prebiotic Effects of Isomalto-oligosaccharide
George Mason University
NCT02433873
A Probiotic Blend Reduces Gastrointestinal Symptoms and Positively Impacts Microbiota Modulation in a Randomized Study
The Center for Applied Health Sciences
NCT05614726
Cigarette Smoking and Oral Microbiota
National Cancer Institute (NCI)
NCT01862809
Healthy Patients & Effect of Antibiotics
Washington University School of Medicine
NCT03098485
Assessing the Dose Response of a Lead Fiber Snack Prototype
Washington University School of Medicine
NCT04729816
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Microbiota Trial Landscape
ClinicalTrials.gov lists 11 US studies indexed under Microbiota, and 3 of those are currently open to recruitment — roughly 27% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.
The phase distribution for Microbiota shows 0 late-stage studies (Phase 3 and Phase 4 combined) alongside 1 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.
Top sponsor activity for Microbiota is led by Seeding with 2 indexed trials, alongside 8 other organizations in the top contributor list. The list on this page surfaces up to 11 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.
Frequently Asked Questions
How many clinical trials are there for Microbiota?
PlainTrial tracks 11 US clinical trials for Microbiota, of which 3 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Microbiota?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.