Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Histiocytic Sarcoma: early-phase trial registry
2 of 3 indexed Histiocytic Sarcoma trials are currently recruiting, with more weight in Phase 1-2.
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
Histiocytic Sarcoma: 3 US clinical trials tracked, 2 recruiting.
Histiocytic Sarcoma is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is Carl Allen, running 1 of these trials.
Enrollment posture brief
Registry condition histiocytic-sarcoma
OPEN 2 | RECR 67% | LATE 0 | EARLY 3 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)
Histiocytic Sarcoma 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 Histiocytic Sarcoma 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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Histiocytic Sarcoma 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
Cobimetinib in Refractory Langerhans Cell Histiocytosis (LCH), and Other Histiocytic Disorders
Carl Allen
NCT04079179
Q702 for the Treatment of Patients With Hematologic Malignancies
Mayo Clinic
NCT06712810
Targeted Therapy Directed by Genetic Testing in Treating Pediatric Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphomas, or Histiocytic Disorders (The Pediatric MATCH Screening Trial)
National Cancer Institute (NCI)
NCT03155620
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Histiocytic Sarcoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Histiocytic Sarcoma 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 Histiocytic Sarcoma page
3 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Histiocytic Sarcoma trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Carl Allen sponsors the most Histiocytic Sarcoma trials on record, review their full trial history before evaluating a specific study. See Carl Allen'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 Histiocytic Sarcoma condition card totals 3 registered trials; most-linked intervention Computed Tomography; top US site state Arizona. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.