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ClinicalTrials.gov enrollment closed later-stage tilt small index

Bronchiolitis Obliterans Syndrome (BOS): later-stage trial registry

A small indexed set (1 trial) with no open enrollment listed right now.

Corpus placement: #11,370 of 28,707 conditions by registered trial count.

1 US clinical trials · none currently recruiting · #11,370 of 28,707 conditions by registered trial count

Bronchiolitis Obliterans Syndrome (BOS): 1 US clinical trial tracked, none currently recruiting.

Bronchiolitis Obliterans Syndrome (BOS) is the subject of 1 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 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 1 of these trials.

Enrollment posture brief

Registry condition bronchiolitis-obliterans-syndrome-bos

OPEN 0 | RECR 0% | LATE 1 | EARLY 0 | RANK #11370 | SPON 1

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Bronchiolitis Obliterans (th…0%
Open-enrollment share among volume-matched conditions near Bronchiolitis Obliterans Syndrome (BOS)

Bronchiolitis Obliterans Syndrome (BOS) has no open enrollment in this registry pull (1 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 Bronchiolitis Obliterans Syndrome (BOS) 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. Bronchiolitis Obliterans Syndrome (BOS) is recruiting below its size-band peers.

    0 of 1 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.

Phase 31

Phase Distribution

PhaseTrial count
Phase 3 1

Named interventions

Most-linked intervention names on Bronchiolitis Obliterans Syndrome (BOS) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

No intervention in the SOC / Retrospective Chart review. Other
1 trials
Extracorporeal Photopheresis (ECP) Combination
1 trials

US sites by state

Facility locations filed on Bronchiolitis Obliterans Syndrome (BOS) trials. A trial with sites in several states counts in each.

Texas 1 trials
Pennsylvania 1 trials
Ohio 1 trials
New York 1 trials
North Carolina 1 trials
Missouri 1 trials
Minnesota 1 trials
Michigan 1 trials

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

What to do with this Bronchiolitis Obliterans Syndrome (BOS) page

1 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Bronchiolitis Obliterans Syndrome (BOS) trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Washington University School of Medicine sponsors the most Bronchiolitis Obliterans Syndrome (BOS) 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 Bronchiolitis Obliterans Syndrome (BOS) condition card totals 1 registered trials; most-linked intervention No intervention in the SOC / Retrospective Chart review.; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.