Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Left Bundle-Branch Block clinical trials
2 of 3 indexed Left Bundle-Branch Block trials are currently recruiting.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 2 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Left Bundle-Branch Block: 3 US clinical trials tracked, 2 recruiting.
Left Bundle-Branch Block is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. The most active sponsor is XSpline S.p.A., running 1 of these trials.
Enrollment posture brief
Registry condition left-bundle-branch-block
OPEN 2 | RECR 67% | LATE 0 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)
Left Bundle-Branch Block lists 2 open slots (67% of 3 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 Left Bundle-Branch Block 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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Left Bundle-Branch Block is recruiting above its size-band peers.
2 of 3 indexed trials (66.7%) 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
3 total, page 1 of 1
Cardiac Resynchronization Therapy Delivery Guided Non-Invasive Electrical and Venous Anatomy Assessment
XSpline S.p.A.
NCT05327062
Left Bundle Branch Area Mapping for Conduction System Pacing
Steward St. Elizabeth's Medical Center of Boston
NCT05884359
REsynchronization Comparison In LBBB and Normal or Mildly Reduced VENTricular Function With CRT (REINVENT-CRT)
Inova Health Care Services
NCT05652218
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Left Bundle-Branch Block records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Left Bundle-Branch Block 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 Left Bundle-Branch Block page
3 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Left Bundle-Branch Block trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- XSpline S.p.A. sponsors the most Left Bundle-Branch Block trials on record, review their full trial history before evaluating a specific study. See XSpline S.p.A.'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 Left Bundle-Branch Block condition card totals 3 registered trials; most-linked intervention BIV-CRT; top US site state North Carolina. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.