Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Post-Thrombotic Syndrome: later-stage trial registry
1 of 4 indexed Post-Thrombotic Syndrome trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 1 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Post-Thrombotic Syndrome: 4 US clinical trials tracked, 1 recruiting.
Post-Thrombotic Syndrome is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Washington University School of Medicine, running 2 of these trials.
Enrollment posture brief
Registry condition post-thrombotic-syndrome
OPEN 1 | RECR 25% | LATE 1 | EARLY 0 | RANK #4115 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)
Post-Thrombotic Syndrome lists 1 open slots (25% of 4 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 Post-Thrombotic Syndrome 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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Post-Thrombotic Syndrome is recruiting below its size-band peers.
1 of 4 indexed trials (25%) 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.
Open and recent trials
4 total, page 1 of 1
DEFIANCE: RCT of ClotTriever System Versus Anticoagulation In Deep Vein Thrombosis
Inari Medical
NCT05701917
Chronic Venous Thrombosis: Relief With Adjunctive Catheter-Directed Therapy (The C-TRACT Trial)
Washington University School of Medicine
NCT03250247
Acute Venous Thrombosis: Thrombus Removal With Adjunctive Catheter-Directed Thrombolysis
Washington University School of Medicine
NCT00790335
Pilot Study for VeinoPlus to Improve Symptoms of Postthrombotic Syndrome (PTS)
University of North Carolina, Chapel Hill
NCT00858130
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Post-Thrombotic Syndrome records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Post-Thrombotic Syndrome 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 Post-Thrombotic Syndrome page
4 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Post-Thrombotic Syndrome trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Washington University School of Medicine sponsors the most Post-Thrombotic Syndrome trials on record, review their full trial history before evaluating a specific study. See Washington University School of Medicine'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 Post-Thrombotic Syndrome condition card totals 4 registered trials; most-linked intervention Recombinant tissue plasminogen activator (rt-PA); top US site state Maryland. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.