Other Clinical Trial - Allogeneic Mixed Chimerism Stem Cell Transplant

Status Completed

Clinical Trial Summary

RATIONALE: Although used primarily to treat malignant disorders of the blood, allogeneic stem cell transplantation can also cure a variety of non-cancerous, inherited or acquired disorders of the blood. Unfortunately, the conventional approach to allogeneic stem cell transplantation is a risky procedure. For some non-cancerous conditions, the risks of this procedure outweigh the potential benefits. This protocol is designed to test a new approach to allogeneic stem cell transplantation. It is hoped that this approach will be better suited for patients with non-cancerous blood and bone marrow disorders.

Clinical Trial Description

OBJECTIVES:

Primary Objective(s):

1. Evaluate the feasibility in terms of mortality, occurrence of acute graft versus host disease, and grades 3-4/4 toxicity of in vivo and in vitro Campath coupled with concomitantly administered nonmyeloablative fludarabine, cyclophosphamide and total body irradiation (TBI) followed by Human Leukocyte Antigen (HLA) 5-6/6 matched family member allo peripheral blood stem cell transplant (PBSCT).

2. Evaluate the engraftment rate of HLA 5-6/6 matched family member patients who receive in vivo Campath followed by concomitantly administered fludarabine, cyclophosphamide and total body irradiation (TBI) as a conditioning regimen with Campath-treated peripheral blood stem cells (in vitro and in vivo exposure).

Secondary Objective(s):

1. Evaluate the response rate and survival of patients who receive a non-myeloablative conditioning regimen of in vivo Campath followed by concomitantly administered fludarabine, cyclophosphamide and total body irradiation (TBI) with Campath-treated peripheral blood stem cells.

2. Evaluate the recovery of immune function post engraftment with this regimen. ;

Study Design

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

Related Conditions & MeSH terms

Anemia
Anemia, Aplastic
Anemia, Sickle Cell
Hemoglobinopathies
Hemoglobinuria
Hemoglobinuria, Paroxysmal
Pancytopenia
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Pure Red Cell Aplasia
Red-Cell Aplasia, Pure
Severe Aplastic Anemia
Sickle Cell Anemia

Clinical Trial Details

NCT number	NCT00004143
Study type	Interventional
Source	Duke University
Contact
Status	Completed
Phase	Phase 2
Start date	September 1999
Completion date	June 2009

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Allogeneic Mixed Chimerism Stem Cell Transplant Using Campath for Hemoglobinopathies & Bone Marrow Failure Syndromes

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms