- Conditions
- Primary Immune Deficiency Disorder, Immune Deficiency Disease, Bone Marrow Failure, Short Telomere Length, Fanconi Anemia, Non Fanconi DNA-DSB Repair Disorder, Hoyeraal-Hreidarsson Syndrome, Dyskeratosis Congenita, Telomere Biology Disorder, Short Telomere Syndrome
- Interventions
- Alemtuzumab, Fludarabine, Melphalan, Low Dose Total Body Irradiation, Cyclophosphamide, Tacrolimus, Mycophenolate Mofetil
- Drug · Radiation
- Lead sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Other
- Eligibility
- 4 Months to 50 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2028
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced May 21, 2026, 7:22 PM EDT