Multiple Myeloma Clinical Trial

Reduced Intensity Haploidentical Transplant for Hematological Malignancies

Summary

Many patients with hematological malignancies (leukemia, lymphoma, multiple myeloma) cannot undergo hematopoietic stem cell transplantation (HSCT) because they do not have a well matched donor. HSCT from partially matched family donors (haploidentical HSCT) is an option for most patients but has been associated with poor outcomes. This study was designed to test whether using an exact amount of a donor's lymphocytes (white cells) and dividing the transplant process into 2 steps, would increase overall survival by decreasing complications. The therapy is reduced intensity so it is targeted, but not limited to, patients over the age of 65 or those who have had previous transplants.

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Full Description

Haploidentical hematopoietic stem cell transplant is a life saving therapy for patients who are without well matched donors. This type of therapy has been associated with poor outcomes in the past due to complications such as infection. The Jefferson 2 Step approach was designed to allow the infusion of an exact dose of tolerized lymphocytes in haploidentical transplant in order to allow for immune reconstitution post transplant to avoid infectious complications while still having acceptable rates of GVHD. In this approach, older patients or patients who were transplanted previously with high-risk hematological malignancies undergo chemotherapy with fludarabine and cytarabine or thiotepa. The patients then receive an exact dose of their donors' lymphocytes. The phase I portion of the study determined the optimal dose of lymphocytes. Two days after receiving the donor lymphocytes, the patients receive 2 daily doses of cyclophosphamide. The purpose of the cyclophosphamide is for in-vivo tolerization of the lymphocytes. One day after receiving cyclophosphamide, the patients receive stem cell from their donor. Tacrolimus and mycophenolate mofetil are used as GVHD prophylaxis.

View Eligibility Criteria

Eligibility Criteria

Inclusion Criteria:

Any patient with a hematologic or oncologic diagnosis in which allogeneic HSCT is thought to be beneficial, and in whom front-line therapy has already been applied.
Patients must have a related donor who is a two or more allele mismatch at the HLA-A;B; C; DR loci.
Patients who have sibling donors with a one antigen mismatch due to recombination will not be enrolled in this protocol.

Patients must adequate organ function:

LVEF of >45%
DLCO >45% of predicted corrected for hemoglobin
Adequate liver function as defined by a serum bilirubin <1.8, AST or ALT < 2.5X upper limit of normal
Serum creatinine < 2.0 mg/dl or creatinine clearance of > 40 ml/min
Performance status > 70% (Karnofsky)
Patients must be willing to use contraception if they have childbearing potential
Able to give informed consent

Exclusion Criteria:

Performance status of < 70% (Karnofsky)
HIV positive
Active involvement of the central nervous system with malignancy
Psychiatric disorder that would preclude patients from signing an informed consent
Pregnancy
Patients with life expectancy of < 6 months for reasons other than their underlying hematologic/oncologic disorder or complications there from.
Patients who have received alemtuzumab within 8 weeks of transplant admission, or who have recently received horse or rabbit anti-thymocyte globulin and have ATG levels of > 2 µgm/ml.
Patients who cannot receive cyclophosphamide
Patients with evidence of another malignancy, exclusive of a skin cancer that requires only local treatment, should not be enrolled on this protocol

Study is for people with:

Multiple Myeloma

Phase:

Phase 1

Estimated Enrollment:

34

Study ID:

NCT01162096

Recruitment Status:

Completed

Sponsor:

Sidney Kimmel Cancer Center at Thomas Jefferson University

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There is 1 Location for this study

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Thomas Jefferson University
Philadelphia Pennsylvania, 19107, United States

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Study is for people with:

Multiple Myeloma

Phase:

Phase 1

Estimated Enrollment:

34

Study ID:

NCT01162096

Recruitment Status:

Completed

Sponsor:


Sidney Kimmel Cancer Center at Thomas Jefferson University

How clear is this clinincal trial information?

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