Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Cytopenias: early-phase trial registry
A small indexed set (6 trials) with no open enrollment listed right now.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · none currently recruiting · #2,866 of 28,707 conditions by registered trial count
Cytopenias: 6 US clinical trials tracked, none currently recruiting.
Cytopenias is the subject of 6 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Ortho Pharmaceuticals, running 2 of these trials.
Enrollment posture brief
Registry condition cytopenias
OPEN 0 | RECR 0% | LATE 0 | EARLY 1 | RANK #2866 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Cytopenias has no open enrollment in this registry pull (6 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 Cytopenias 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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Cytopenias is recruiting below its size-band peers.
0 of 6 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.
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One sponsor concentrates Cytopenias research.
Ortho Pharmaceuticals accounts for 2 of 6 trials (33.3%). 4 distinct sponsors appear on at least one study for this condition label.
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Cytopenias research is mostly interventional.
6 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
6 total, page 1 of 1
A Study of Granulocyte Colony-Stimulating Factor Plus Recombinant Erythropoietin Plus Zidovudine in Patients With AIDS or AIDS-Related Complex
Amgen
NCT00002281
A Double-Blind, Placebo-Controlled Study With Open-Label Follow-Up To Determine the Safety and Efficacy of r-HuEPO in AIDS Patients With Anemia Induced by Their Disease and AZT Therapy
Ortho Pharmaceuticals
NCT00002071
Treatment Program for Anemia in AIDS Patients
R W Johnson Pharmaceutical Research Institute
NCT00002022
A Pilot Study to Evaluate the Effects of Subcutaneously Administered Recombinant Human Granulocyte-Macrophage Colony Stimulating Factor in Pediatric HIV-Infected Patients With Neutropenia Secondary to Azidothymidine
Sandoz
NCT00002263
A Double-Blind, Placebo-Controlled Study With Open-Label Follow-Up To Determine the Safety and Efficacy of r-HuEPO in AIDS and Advanced ARC Patients With Anemia
Ortho Pharmaceuticals
NCT00002042
A Phase I/II Pilot Study of Simultaneously Administered Rhu GM-CSF ( CHO Cell ) and Azidothymidine ( AZT ) in Patients With Severe HIV Infection and Leukopenia: Pharmacokinetics and Feasibility
Sandoz
NCT00002006
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Cytopenias records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Cytopenias 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 Cytopenias page
6 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Cytopenias trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Ortho Pharmaceuticals sponsors the most Cytopenias trials on record, review their full trial history before evaluating a specific study. See Ortho Pharmaceuticals'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 Cytopenias condition card totals 6 registered trials; most-linked intervention Epoetin alfa; top US site state New Jersey. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.