Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Hoyeraal-Hreidarsson Syndrome: early-phase trial registry
2 of 3 indexed Hoyeraal-Hreidarsson Syndrome 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
Hoyeraal-Hreidarsson Syndrome: 3 US clinical trials tracked, 2 recruiting.
Hoyeraal-Hreidarsson Syndrome 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 Suneet Agarwal, running 1 of these trials.
Enrollment posture brief
Registry condition hoyeraal-hreidarsson-syndrome
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)
Hoyeraal-Hreidarsson Syndrome 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 Hoyeraal-Hreidarsson Syndrome 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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Hoyeraal-Hreidarsson Syndrome 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
Nucleoside Therapy in Patients With Telomere Biology Disorders
Suneet Agarwal
NCT06817590
Regenerative Medicine to Restore Hematopoiesis and Immune Function in Immunodeficiencies and Inherited Bone Marrow Failures
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
NCT04232085
Radiation- and Alkylator-free Bone Marrow Transplantation Regimen for Patients With Dyskeratosis Congenita
Boston Children's Hospital
NCT01659606
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Hoyeraal-Hreidarsson Syndrome records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Hoyeraal-Hreidarsson Syndrome 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 Hoyeraal-Hreidarsson Syndrome page
3 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Hoyeraal-Hreidarsson Syndrome trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Suneet Agarwal sponsors the most Hoyeraal-Hreidarsson Syndrome trials on record, review their full trial history before evaluating a specific study. See Suneet Agarwal'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 Hoyeraal-Hreidarsson Syndrome condition card totals 3 registered trials; most-linked intervention Fludarabine; top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.