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

Refractory Langerhans Cell Histiocytosis: early-phase trial registry

1 of 1 indexed Refractory Langerhans Cell Histiocytosis trials are currently recruiting, with more weight in Phase 1-2.

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

1 US clinical trials · 1 currently recruiting · #11,370 of 28,707 conditions by registered trial count

Refractory Langerhans Cell Histiocytosis: 1 US clinical trial tracked, 1 recruiting.

Refractory Langerhans Cell Histiocytosis is the subject of 1 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 1 of these trials.

Enrollment posture brief

Registry condition refractory-langerhans-cell-histiocytosis

OPEN 1 | RECR 100% | LATE 0 | EARLY 1 | RANK #11370 | SPON 1

Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)

Refractory Langerhans Ce (th…100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Refractory Langerhans Cell Histiocytosis

Refractory Langerhans Cell Histiocytosis lists 1 open slots (100% of 1 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 Refractory Langerhans Cell Histiocytosis 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. Refractory Langerhans Cell Histiocytosis is recruiting above its size-band peers.

    1 of 1 indexed trials (100%) 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 21

Phase Distribution

PhaseTrial count
Phase 2 1

Top Sponsors

Named interventions

Most-linked intervention names on Refractory Langerhans Cell Histiocytosis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Echocardiography Test Procedure
1 trials
Computed Tomography Procedure
1 trials
Bone Marrow Biopsy Procedure
1 trials
Bone Marrow Aspiration Procedure
1 trials
Biospecimen Collection Procedure
1 trials

US sites by state

Facility locations filed on Refractory Langerhans Cell Histiocytosis trials. A trial with sites in several states counts in each.

Florida 1 trials
Delaware 1 trials
Connecticut 1 trials
Colorado 1 trials
California 1 trials
Arkansas 1 trials
Alabama 1 trials

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

What to do with this Refractory Langerhans Cell Histiocytosis page

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

  • 1 Refractory Langerhans Cell Histiocytosis trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • National Cancer Institute (NCI) sponsors the most Refractory Langerhans Cell Histiocytosis trials on record, review their full trial history before evaluating a specific study. See National Cancer Institute (NCI)'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 Refractory Langerhans Cell Histiocytosis condition card totals 1 registered trials; most-linked intervention Echocardiography Test; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.