Clinical Trial: Total-Body Irradiation Followed By Cyclosporine and Mycophenolate Mofetil in Treating Patients With Severe Combined Immunodeficiency Undergoing Donor Bone Marrow Transplant

Study Status: Active, not recruiting
Recruit Status: Active, not recruiting
Study Type: Interventional

Official Title: Induction of Mixed Hematopoietic Chimerism in Patients With Severe Combined Immunodeficiency Disorders Using Allogeneic Bone Marrow and Post-Transplant Immunosuppression With Cyclosporine and Mycophen

Brief Summary: This pilot clinical trial studies total-body irradiation followed by cyclosporine and mycophenolate mofetil in treating patients with severe combined immunodeficiency (SCID) undergoing donor bone marrow transplant. Giving total-body irradiation (TBI) before a donor bone marrow transplant using stem cells that closely match the patient's stem cells, helps stop the growth of abnormal cells. It may also stop the patient's immune system from rejecting the donor's stem cells. The donated stem cells may mix with the patient's immune cells and help destroy any remaining abnormal cells. Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving cyclosporine and mycophenolate mofetil after the transplant may stop this from happening.

Detailed Summary:

PRIMARY OBJECTIVES:

I. To safely establish partial lymphoid chimerism (1-95% donor cluster of differentiation [CD]3+ cells) using a non-lethal conditioning regimen in patients with severe combined immunodeficiency syndrome.

II. To define the kinetics of immune reconstitution following a non-lethal conditioning regimen in patients with immunodeficiency diseases.

OUTLINE:

Patients receive cyclosporine orally (PO) or intravenously (IV) on days -3 to 100 followed by a taper until day 180 and mycophenolate mofetil PO or IV on days 0-40 with a taper until day 96 in the absence of unacceptable toxicity. Unrelated donor recipients also undergo TBI on day 0. Patients undergo bone marrow transplant on day 0.

After completion of study treatment, patients are followed up at 6 months and then yearly for 5 years.


Sponsor: Fred Hutchinson Cancer Research Center

Current Primary Outcome:

  • Extent of chimerism in specific subpopulations by assessing T (CD3+3), B (CD19/20+), NK (CD56+), and myeloid (CD33+/13+) of bone marrow aspirate and peripheral blood [ Time Frame: Up to 5 years ]
  • Extent of immune deficiency and tempo of immune reconstitution of lymphoid subsets T (CD4+, CD8+, CD3+), B (CD19+, CD20+), and NK (CD56+) as assessed by flow cytometry [ Time Frame: Up to 5 years ]


Original Primary Outcome:

Current Secondary Outcome:

Original Secondary Outcome:

Information By: Fred Hutchinson Cancer Research Center

Dates:
Date Received: January 6, 2001
Date Started: August 1997
Date Completion:
Last Updated: July 6, 2016
Last Verified: July 2016