PMID: 7545459Oct 1, 1995Paper

Combined transplantation of allogeneic bone marrow and CD34+ blood cells.

Blood
H LinkH Poliwoda

Abstract

Allogeneic peripheral blood progenitor cells (PBPCs) were transplanted after immunoselection of CD34+ cells. Two patient groups were studied: group I patients received immunoselected blood CD34+ cells and unmanipulated marrow cells from the same donor. Group II patients were given immunoselected blood and bone marrow (BM) CD34+ cells. One to 6 weeks before bone marrow transplantation (BMT), PBPCs from HLA-identical and MLC- sibling donors were mobilized with granulocyte colony-stimulating factor (G-CSF) (5 micrograms/kg twice daily subcutaneously) for 5 days. Aphereses were performed at days 4 and 5 of G-CSF application. CD34+ cells were separated from the pooled PBPC concentrates by immunoadsorption onto avidin with the biotinylated anti-CD34 monoclonal antibody 12.8 and then stored in liquid nitrogen. BM was procured on the day of transplantation. Patients were conditioned with either busulfan (16 mg/kg) or total body irradiation (12 Gy) followed by cyclophosphamide (120 mg/kg). Cyclosporin A and short methotrexate were used for graft-versus-host disease (GVHD) prophylaxis. After transplantation, all patients received 5 micrograms G-CSF/kg/d from day 1 until greater than 500 neutrophils/microL were reached and 150 U erythropo...Continue Reading

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