Transplant protocol for immune deficiency disorders

A Study of Hematopoietic Stem Cell Transplantation (HSCT) in Immune Function Disorders Using a Reduced Intensity Preparatory Regime

Phase 2 Interventional Washington University School of Medicine · NCT01821781

This study is testing a new way to help young patients with immune deficiency disorders successfully receive a donor stem cell transplant while keeping side effects low.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment20 (estimated)
AgesN/A to 21 Years
SexAll
SponsorWashington University School of Medicine Academic / other
Drugs / interventionsalemtuzumab
Locations1 site (Saint Louis, Missouri)
Trial IDNCT01821781 on ClinicalTrials.gov

What this trial studies

This study investigates a reduced intensity immunosuppressive regimen aimed at facilitating the engraftment of donor hematopoietic cells in patients with various immune deficiency disorders. The approach utilizes a combination of alemtuzumab, fludarabine, thiotepa, and melphalan to maximize host immune suppression, thereby reducing the risk of graft rejection. The trial focuses on patients aged 28 years or younger who meet specific health criteria and have a suitably matched donor. The goal is to achieve successful engraftment with manageable toxicity levels.

Who should consider this trial

Good fit: Ideal candidates are individuals aged 28 years or younger with specific immune deficiency disorders and suitable matched donors.

Not a fit: Patients with known HIV infections, uncontrolled infections, or those who are pregnant or breastfeeding may not benefit from this study.

Why it matters

Potential benefit: If successful, this protocol could significantly improve the outcomes for patients with severe immune deficiencies by enhancing donor cell engraftment.

How similar studies have performed: Other studies have shown promise with similar immunosuppressive approaches, indicating potential for success in this area.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* \</= 28 years of age
* Performance status \>/= 40
* DLCO \>/= 40%
* LVEF \>/=40% or LVSF \>/=26%
* Serum creatinine \< 2x ULN
* Liver enzymes \</= 5x ULN
* Negative pregnancy test
* Suitably matched donor (6/6 matched sib UCB, 8/8 matched sib BM or PBSC, 5-6/6 matched unrelated UCB, 7-8/8 matched unrelated BM, double cord)

Exclusion Criteria:

* Known diagnosis of HIV I/II
* Pregnant or breastfeeding
* Uncontrolled invasive fungal or bacterial infections within 1 month prior to starting alemtuzumab
* Uncontrolled viral infection within 1 week prior to starting alemtuzumab

Where this trial is running

Saint Louis, Missouri

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Immune Deficiency DisordersSevere Combined ImmunodeficiencyChronic Granulomatous DiseaseX-linked AgammaglobulinemiaWiskott-Aldrich SyndromeHyper-IgMDiGeorge SyndromeChediak-Higashi Syndrome
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.