Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Histiocytosis: early-phase trial registry
2 of 6 indexed Histiocytosis trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 2 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Histiocytosis: 6 US clinical trials tracked, 2 recruiting.
Histiocytosis is the subject of 6 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 Institut de Recherches Internationales Servier, running 1 of these trials.
Enrollment posture brief
Registry condition histiocytosis
OPEN 2 | RECR 33% | LATE 0 | EARLY 3 | RANK #2866 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Histiocytosis lists 2 open slots (33% of 6 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 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.
-
Histiocytosis is recruiting below its size-band peers.
2 of 6 indexed trials (33.3%) 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.
-
One sponsor concentrates Histiocytosis research.
Institut de Recherches Internationales Servier accounts for 1 of 6 trials (16.7%). 6 distinct sponsors appear on at least one study for this condition label.
-
Typical Histiocytosis enrolment sits around 463 participants.
Median target enrolment is 463 among the 6 trials that report a genuine target (sentinel values excluded). 3 of those (50%) plan for fewer than 100 participants.
-
Histiocytosis splits between interventional and observational designs.
3 interventional and 3 observational studies make up this index (50% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Histiocytic Disorder Follow-up Study
University of Alabama at Birmingham
NCT05915208
Phase 1/2 Trial of S241656 in Selected RAS/MAPK Mutation- Positive Malignancies
Institut de Recherches Internationales Servier
NCT05786924
A Study of Memory, Thinking, and Brain Imaging in Adults With Histiocytosis
Memorial Sloan Kettering Cancer Center
NCT03127709
Ceftriaxone in Non-neutropenic Fever
Vanderbilt University Medical Center
NCT01225718
HLA-Nonidentical Stem Cell and Natural Killer Cell Transplantation for Children Less the Two Years of Age With Hematologic Malignancies
St. Jude Children's Research Hospital
NCT00145626
CD34+Selection for Partially Matched Family or Matched Unrelated Adult Donor Transplant
New York Medical College
NCT01049854
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Histiocytosis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Histiocytosis 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 Histiocytosis page
6 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Histiocytosis trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Institut de Recherches Internationales Servier sponsors the most Histiocytosis trials on record, review their full trial history before evaluating a specific study. See Institut de Recherches Internationales Servier'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 Histiocytosis condition card totals 6 registered trials; most-linked intervention Allogeneic stem cell transplantation; 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.