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Peripheral blood stem cell transfusion for marrow replacement.
E E Morse1, N Dainiak, S Sorba
1Department of Laboratory Medicine, University of Connecticut Health Center, Farmington 06030.
Annals of Clinical and Laboratory Science
|July 1, 1992
Summary
This study highlights successful autologous stem cell rescue using peripheral blood stem cells (PBSC) for a Hodgkin's disease patient. The patient achieved complete remission and engraftment despite prior pelvic radiation and chemotherapy.
Area of Science:
- Hematology
- Oncology
- Stem Cell Transplantation
Background:
- Ablative therapy for Hodgkin's disease can compromise marrow function.
- Previous chemotherapy and pelvic radiation rendered the patient's marrow hypocellular and unsuitable for autologous marrow transplantation.
- Peripheral blood stem cells (PBSC) were collected via leukapheresis for rescue after ablative therapy.
Observation:
- PBSC collection was performed before and after cyclophosphamide-induced marrow recovery to optimize stem cell yield.
- The patient's recovery was successful, albeit on a slightly extended timeline.
- Recovery occurred without the use of granulocyte-macrophage colony-stimulating factor or other cytokine stimulation.
Findings:
- Successful engraftment of autologous peripheral blood stem cells was achieved.
- The patient remains in clinical complete remission over one year post-transplant.
- The study demonstrates the efficacy of PBSC rescue in patients with previously damaged marrow.
Implications:
- Autologous PBSC transplantation is a viable option for patients with compromised marrow reserves.
- This approach may circumvent the need for cytokine stimulation in certain transplant scenarios.
- Successful engraftment and long-term remission underscore the potential of PBSC rescue in refractory hematologic malignancies.