Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Unsafe Sex clinical trials
A small indexed set (3 trials) with no open enrollment listed right now.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · none currently recruiting · #5,209 of 28,707 conditions by registered trial count
Unsafe Sex: 3 US clinical trials tracked, none currently recruiting.
Unsafe Sex is the subject of 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. The most active sponsor is Brown University, running 2 of these trials.
Enrollment posture brief
Registry condition unsafe-sex
OPEN 0 | RECR 0% | LATE 0 | EARLY 0 | RANK #5209 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Unsafe Sex has no open enrollment in this registry pull (3 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Unsafe Sex 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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Unsafe Sex is recruiting below its size-band peers.
0 of 3 indexed trials (0%) 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.
Indexed trials (enrollment closed)
3 total, page 1 of 1
Protect and Connect: Couple HIV Prevention for Drug Involved Male Offenders
Columbia University
NCT01690494
Brief Interventions in the Emergency Department for Alcohol and HIV/Sexual Risk
Brown University
NCT01351389
HIV/STI Risk Reduction for Incarcerated Women With Interpersonal Violence
Brown University
NCT01907126
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Unsafe Sex records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Unsafe Sex 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 Unsafe Sex page
3 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Unsafe Sex trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Brown University sponsors the most Unsafe Sex trials on record, review their full trial history before evaluating a specific study. See Brown University'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 Unsafe Sex condition card totals 3 registered trials; most-linked intervention Brief Motivational Intervention (BMI); top US site state Rhode Island. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.