Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Preterm Labor: later-stage trial registry
3 of 9 indexed Preterm Labor trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #1,916 of 28,707 conditions by registered trial count.
9 US clinical trials · 3 currently recruiting · #1,916 of 28,707 conditions by registered trial count
Preterm Labor: 9 US clinical trials tracked, 3 recruiting.
Preterm Labor is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Mirvie, running 1 of these trials.
Enrollment posture brief
Registry condition preterm-labor
OPEN 3 | RECR 33% | LATE 2 | EARLY 1 | RANK #1916 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Preterm Labor lists 3 open slots (33% of 9 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 Preterm Labor 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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Preterm Labor is recruiting below its size-band peers.
3 of 9 indexed trials (33.3%) 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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Sponsorship of Preterm Labor trials is spread across many organizations.
Mirvie accounts for 1 of 9 trials (11.1%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical Preterm Labor enrolment sits around 500 participants.
Median target enrolment is 500 among the 9 trials that report a genuine target (sentinel values excluded). 3 of those (33.3%) plan for fewer than 100 participants.
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Preterm Labor splits between interventional and observational designs.
5 interventional and 4 observational studies make up this index (55.6% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
9 total, page 1 of 1
Prospective Data Bank Creation to Study Vaginal Conditions
Texas Tech University Health Sciences Center
NCT01829204
Maternal Stress on Human Milk and Infant Outcomes
University of Idaho
NCT04821544
Latency Antibiotics in Previable PPROM, 18 0/7- 22 6/7 WGA
Woman's
NCT04047849
MIRACLE of LIFE Study
Mirvie
NCT06074601
Prematurity Risk Assessment Combined With Clinical Interventions for Improving Neonatal outcoMEs
Sera Prognostics
NCT04301518
Omega-3 Fatty Acids for Smoking Cessation in Pregnancy
Vanderbilt University Medical Center
NCT04417595
Establishment of a Perinatal Database and a Bank of Biological Materials
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT00339235
Nifedipine for Acute Tocolysis of Preterm Labor
University of Texas Southwestern Medical Center
NCT02132533
Individualized Dosing of Nifedipine For Tocolysis in Preterm Labor
Indiana University
NCT02090920
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
| Phase 3 | 1 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Preterm Labor records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Preterm Labor 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 Preterm Labor page
9 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Preterm Labor trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Mirvie sponsors the most Preterm Labor trials on record, review their full trial history before evaluating a specific study. See Mirvie'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 Preterm Labor condition card totals 9 registered trials; most-linked intervention Nifedipine; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.