Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Chlamydia: early-phase trial registry
2 of 6 indexed Chlamydia trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 2 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Chlamydia: 6 US clinical trials tracked, 2 recruiting.
Chlamydia is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Northwestern University, running 3 of these trials.
Enrollment posture brief
Registry condition chlamydia
OPEN 2 | RECR 33% | LATE 0 | EARLY 2 | RANK #2866 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Chlamydia lists 2 open slots (33% of 6 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 Chlamydia 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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Chlamydia is recruiting below its size-band peers.
2 of 6 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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One sponsor concentrates Chlamydia research.
Northwestern University accounts for 3 of 6 trials (50%). 4 distinct sponsors appear on at least one study for this condition label.
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Typical Chlamydia enrolment sits around 400 participants.
Median target enrolment is 400 among the 6 trials that report a genuine target (sentinel values excluded). 2 of those (33.3%) plan for fewer than 100 participants.
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Chlamydia research is mostly interventional.
6 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Effectiveness of Relationship Education for Reducing HIV Incidence Among SGM
Northwestern University
NCT05678556
Assessing Acceptability and Feasibiity of STI Self-swab Testing, to be Offered at the Time of Telemed Medication Abortion Provision
Queen's Medical Center
NCT06951438
Love, Sex & Choices: A Web Series on Mobile Devices to Reduce Black Women's HIV Risk
Northeastern University
NCT02493647
Online HIV Prevention for Young Male Couples
Northwestern University
NCT03284541
Randomized Trial of an HIV Prevention and Relationship Education Program for Young Male Couples
Northwestern University
NCT03186534
Zenyth: Motivational Interviewing-based Telehealth Intervention for Bacterial Sexually Transmitted Infection Screening
University of Michigan
NCT06100250
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Chlamydia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Chlamydia 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 Chlamydia page
6 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Chlamydia trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Northwestern University sponsors the most Chlamydia trials on record, review their full trial history before evaluating a specific study. See Northwestern 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 Chlamydia condition card totals 6 registered trials; most-linked intervention 2GETHER; top US site state Illinois. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.