Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Varicose Veins: full-pipeline trial registry
A small indexed set (7 trials) with no open enrollment listed right now.
Corpus placement: #2,497 of 28,707 conditions by registered trial count.
7 US clinical trials · none currently recruiting · #2,497 of 28,707 conditions by registered trial count
Varicose Veins: 7 US clinical trials tracked, none currently recruiting.
Varicose Veins is the subject of 7 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 2 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is Boston Scientific Corporation, running 5 of these trials.
Enrollment posture brief
Registry condition varicose-veins
OPEN 0 | RECR 0% | LATE 2 | EARLY 3 | RANK #2497 | SPON 5
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Varicose Veins has no open enrollment in this registry pull (7 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 Varicose Veins 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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Varicose Veins is recruiting below its size-band peers.
0 of 7 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.
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One sponsor concentrates Varicose Veins research.
Boston Scientific Corporation accounts for 5 of 7 trials (71.4%). 3 distinct sponsors appear on at least one study for this condition label.
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Most Varicose Veins trials plan to enrol fewer than 100 people.
Median target enrolment is 77 among the 7 trials that report a genuine target (sentinel values excluded). 5 of those (71.4%) plan for fewer than 100 participants.
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Varicose Veins research is mostly interventional.
5 interventional and 2 observational studies make up this index (71.4% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
7 total, page 1 of 1
Retrospective Review of Saphenous Vein Incompetence: Venaseal Versus Endovenous Thermal Ablation
Lake Washington Vascular
NCT04006184
Polidocanol Endovenous Microfoam (PEM) Versus Vehicle for the Treatment of Saphenofemoral Junction (SFJ) Incompetence
Boston Scientific Corporation
NCT01231373
Prevalence of MTHFR Polymorphisms in Venous Disease
Health Diagnostic Laboratory
NCT01993914
Randomized, Single Blind, Placebo Controlled, to Evaluate Efficacy and Safety of Polidocanol Injectable Foam for Treatment of Symptomatic, Visible Varicose Veins With SFJ Incompetence
Boston Scientific Corporation
NCT00758420
COMFORT: A Multicenter, Open-label, Randomized, Crossover Study
Boston Scientific Corporation
NCT02462720
Pharmacokinetic Study of Polidocanol Endovenous Microfoam (PEM)
Boston Scientific Corporation
NCT01428076
An Open-label, Single-dose Pilot Study to Evaluate Varisolve® (Polidocanol Endovenous Microfoam (PEM)) 0.125% [0.2%] for Varicose Veins
Boston Scientific Corporation
NCT00928421
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 2 |
| Phase 3 | 1 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Varicose Veins records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Varicose Veins 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 Varicose Veins page
7 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Varicose Veins trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Boston Scientific Corporation sponsors the most Varicose Veins trials on record, review their full trial history before evaluating a specific study. See Boston Scientific Corporation'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 Varicose Veins condition card totals 7 registered trials; most-linked intervention Polidocanol Endovenous Microfoam (PEM); top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.