Plerixafor in conjunction with G-CSF (G-P) is an effective strategy for hematopoietic stem cell mobilization in patients with previously failed mobilization attempt. Here we report our results with G-P among patients with at least one mobilization failure with G-CSF alone (G) or G-CSF plus chemotherapy (G-C). The study included 20 consecutive patients with lymphoma and myeloma from five centers. In 14 (70%) patients, a minimum of 2×10(6)/kg CD34+ stem cells were collected and 16 out of 20 patients (80%) were able to proceed to ASCT. Our study indicates that plerixafor can safely rescue patients with a history of mobilization failure.
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