Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Relation, Interpersonal: early-phase trial registry
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
Relation, Interpersonal: 3 US clinical trials tracked, none currently recruiting.
Relation, Interpersonal is the subject of 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Northwestern University, running 1 of these trials.
Enrollment posture brief
Registry condition relation-interpersonal
OPEN 0 | RECR 0% | LATE 0 | EARLY 1 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Relation, Interpersonal 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 Relation, Interpersonal 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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Relation, Interpersonal 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
A Smartphone Intervention for Relational and Mental Well Being
University of Washington
NCT04629755
Randomized Trial of an HIV Prevention and Relationship Education Program for Young Male Couples
Northwestern University
NCT03186534
Daily Study of Caregiving Relationships and Health
The University of Texas Health Science Center at San Antonio
NCT04682535
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Relation, Interpersonal records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Relation, Interpersonal 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 Relation, Interpersonal page
3 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Relation, Interpersonal trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Northwestern University sponsors the most Relation, Interpersonal 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 Relation, Interpersonal condition card totals 3 registered trials; most-linked intervention Social relationships; top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.