Clinical experience with a simple algorithm for plerixafor utilization in autologous stem cell mobilization

A. I. Chen, T. Bains, S. Murray, R. Knight, K. Shoop, J. Bubalo, C. Fowler, S. Slater, R. T. Maziarz

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

Plerixafor augments PBSC collection, but the optimal approach for incorporating it into mobilization is uncertain. Forty-nine consecutive patients mobilized with G-CSF alone were analyzed, and a day 4 peripheral blood CD34+cell count of 0.015/ml was found to predict for a day 5 apheresis yield of 2 × 106CD34+progenitors/kg, our institutional minimum necessary for a single autologous transplant. On the basis of this relationship, a clinical guideline was developed which recommended pre-emptive use of plerixafor if the day 4 peripheral blood CD34+cell count was between 0.005 and 0.015/ml. A total of 166 consecutive subjects with lymphoma or plasma cell dyscrasias underwent G-CSF mobilization after adoption of this care pathway, and the mobilization failure rate was only 7% in patients managed per guideline. The median PBSC yield was 6.3 × 106 CD34+progenitors/kg with G-CSF (day 4 peripheral blood CD34 +cell>0.015/ml) and 4.9 × 10 6 CD34+progenitors/ kg with G-CSF+plerixafor (day 4 peripheral blood CD34+cell 0.005-0.015/ml). The median number of days of apheresis was 2 in both groups. This clinical guideline is an effective mobilization algorithm that minimizes mobilization failures, reduces poor apheresis yields, does not require risk factor identification and is simple to implement.

Original languageEnglish (US)
Pages (from-to)1526-1529
Number of pages4
JournalBone marrow transplantation
Volume47
Issue number12
DOIs
StatePublished - Dec 1 2012

Keywords

  • Plerixafor
  • algorithm
  • mobilization

ASJC Scopus subject areas

  • Hematology
  • Transplantation

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