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ClinicalTrials.gov 1 recruiting now later-stage tilt small index

Vasovagal Syncope: later-stage trial registry

1 of 2 indexed Vasovagal Syncope trials are currently recruiting, with more weight in Phase 3-4.

Corpus placement: #7,188 of 28,707 conditions by registered trial count.

2 US clinical trials · 1 currently recruiting · #7,188 of 28,707 conditions by registered trial count

Vasovagal Syncope: 2 US clinical trials tracked, 1 recruiting.

Vasovagal Syncope is the subject of 2 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 Dr. Bob Sheldon, running 1 of these trials.

Enrollment posture brief

Registry condition vasovagal-syncope

OPEN 1 | RECR 50% | LATE 1 | EARLY 0 | RANK #7188 | SPON 1

Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Vasovagal Syncope (this)50%
Open-enrollment share among volume-matched conditions near Vasovagal Syncope

Vasovagal Syncope lists 1 open slots (50% of 2 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 Vasovagal Syncope 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.

  1. Vasovagal Syncope is recruiting above its size-band peers.

    1 of 2 indexed trials (50%) 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.

Phase 41

Phase Distribution

PhaseTrial count
Phase 4 1

Top Sponsors

Named interventions

Most-linked intervention names on Vasovagal Syncope records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

midodrine hydrochloride Drug
1 trials
Ablation procedure Procedure
1 trials
matching placebo Drug
1 trials

US sites by state

Facility locations filed on Vasovagal Syncope trials. A trial with sites in several states counts in each.

Tennessee 1 trials
Minnesota 1 trials
Illinois 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Vasovagal Syncope page

2 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 1 Vasovagal Syncope trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Dr. Bob Sheldon sponsors the most Vasovagal Syncope trials on record, review their full trial history before evaluating a specific study. See Dr. Bob Sheldon'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 Vasovagal Syncope condition card totals 2 registered trials; most-linked intervention midodrine hydrochloride; top US site state Tennessee. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.