The purpose of this study is to test whether the addition of the drug plerixafor to treatment with chemotherapy and G-CSF can better activate your bone marrow stem cells to improve the chances of transplant. The study will look for the activation of a certain type of blood cell, called CD34+ cells in patients who receive plerixafor, chemotherapy and G-CSF. The investigators will follow the number of patients that achieve the target numbers of CD34+ cells. The number of patients achieving the target level of CD34+ cells, and the total number of CD34+ cells, will be compared to the numbers in previous studies testing just chemotherapy and G-CSF, without plerixafor. The investigators will also test the safety of the combination of plerixafor with chemotherapy and G-CSF and look at the success of the transplantation after 12 months.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
45
240 µg/kg subcutaneous injection on the day that the absolute neutrophil count (ANC) is \> 1500/mm3 and on each day of apheresis for a total of 4 aphereses or the target CD34 cell dose has been reached.
Emory University Winship Cancer Institute
Atlanta, Georgia, United States
Patients Achieving Greater Than or Equal to 5 x 10^6 of CD34+ Cells/kg in a Single Day of Apheresis
Time frame: Within the first 4 days following the first dose of Plerixafor
Patients Achieving >= 3 X 10^6 CD34+ Cell/Kg
Time frame: Within the first 4 days following the first dose of Plerixafor
Average Number of Days for Engraftment (Engraftment Defined as Absolute Neutrophil Count>500)
Time frame: Within the first 4 days following the first dose of Plerixafor
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