Condition
Hoyeraal-Hreidarsson Syndrome clinical trials and research
As of November 12, 2026, Find a Trial lists 2 Hoyeraal-Hreidarsson Syndrome clinical trials that are recruiting, in United States. By phase: Phase 2 (1), Phase 1 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 2Clinical trials
- 1Country
All recruiting trials (2)
-
Nucleoside treatment for telomere biology disorders
This will try whether taking two oral nucleosides (deoxycytidine and deoxythymidine) for 24 weeks is safe and may change blood, bone marrow, or lung problems in people aged 1–70 with telomere biology disorders.
-
Reduced intensity bone marrow transplant for immune and bone marrow disorders
This study is testing a gentler type of bone marrow transplant to see if it can help people with immune and bone marrow disorders recover better and live longer.
Related topics
Quick answers
How many Hoyeraal-Hreidarsson Syndrome clinical trials are recruiting right now?
2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
All of them have sites in United States. Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 1, Phase 1: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.