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Clinical Trial Summary

This study investigated the safety and efficacy of different gene therapy approaches for Severe Combined Immunodeficiency (SCID) caused by the deficiency of adenosine deaminase (ADA) enzyme. This is a severe condition that can be cured by HLA-matched sibling donor bone marrow transplantation. Patients were enrolled if no HLA-identical sibling donor was available and the patient showed evidence of failure of enzyme replacement therapy or this treatment was not a long-term available option. The aim of the study was to evaluate the safety and efficacy of the procedure and to identify the relative role of peripheral blood lymphocytes and hematopoietic stem cells and progenitor cells in the long-term reconstitution of immune functions after retroviral vector mediated ADA gene transfer.


Clinical Trial Description

This is mono-centric, non-randomized, non-controlled, open label, phase I-II trial that evaluated the safety and efficacy of ADA gene transfer into somatic cells for the treatment of ADA-SCID ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00599781
Study type Interventional
Source IRCCS San Raffaele
Contact
Status Completed
Phase Phase 1/Phase 2
Start date March 1992
Completion date January 2007

See also
  Status Clinical Trial Phase
Completed NCT00018018 - Gene Transfer Therapy for Severe Combined Immunodeficieny Disease (SCID) Due to Adenosine Deaminase (ADA) Deficiency Phase 1