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ClinicalTrials.gov 1 recruiting now early-phase tilt small index

Open Heart Surgery: early-phase trial registry

1 of 2 indexed Open Heart Surgery trials are currently recruiting, with more weight in Phase 1-2.

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

Open Heart Surgery: 2 US clinical trials tracked, 1 recruiting.

Open Heart Surgery is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 1 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 June Wu, running 1 of these trials.

Enrollment posture brief

Registry condition open-heart-surgery

OPEN 1 | RECR 50% | LATE 0 | EARLY 2 | RANK #7188 | SPON 1

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

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

Open Heart Surgery 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 Open Heart Surgery 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. Open Heart Surgery 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 11Phase 21

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 1

Top Sponsors

June Wu 1 trials

Named interventions

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

Phenoxybenzamine Drug
1 trials
Propranolol Hydrochloride Drug
1 trials
Placebo Drug
1 trials

US sites by state

Facility locations filed on Open Heart Surgery trials. A trial with sites in several states counts in each.

New York 1 trials
Arkansas 1 trials

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

What to do with this Open Heart Surgery page

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

  • 1 Open Heart Surgery trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • June Wu sponsors the most Open Heart Surgery trials on record, review their full trial history before evaluating a specific study. See June Wu'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 Open Heart Surgery condition card totals 2 registered trials; most-linked intervention Phenoxybenzamine; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.