Abstract
Blood cell transplantation (BCT) is now common practice in the autologous setting. We performed a pilot study of allogeneic BCT, collected after the priming of an HLA-identical sibling with a glycosylated rhu-G-CSF (lenograstim) (10 μg/kg). Fifty-four patients were included (38 ± 11; M/F = 33/21; CML (n = 17), AML (n = 14), ALL (n = 15); MDS (n = 8)). Transplant procedures were standard (TBI regimen = 47 (87%); MTX-CsA: n = 37; CsA-PDN: n = 17). No serious adverse events were reported in donors. A median of 11 (3.5–29.1) × 106/kg CD34+ cells, 332 (33–820) × 106/kg CD3+ cells were collected. Four patients did not engraft (early death: n = 2; graft failure: n = 2). Fifty-one patients initially recovered 0.5 × 109/l ANC and 25 × 109/l platelets at 15 (10–30) and 13 (9–188) days. 29/51 and 29/38 experienced grade ⩾2 acute and chronic GVHD. With a median follow-up of 25 months (18–36), relapse rate is 16% ± 8, survival and DFS probabilities are similar (50% ± 13). A better outcome is documented for patients under 45 years and in the early phase of the disease (n = 28), with an identical survival and DFS of 71% ± 13. In conclusion, lenograstim is a potent rhu-G-CSF for mobilisation of allogeneic hematopoietic progenitors. Two-year follow-up indicates good haematological recovery but some concerns about graft failure and chronic GVHD have arisen deserving prospective evaluation.
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Blaise, D., Jourdan, E., Michallet, M. et al. Mobilisation of healthy donors with lenograstim and transplantation of HLA-genoidentical blood progenitors in 54 patients with hematological malignancies: a pilot study. Bone Marrow Transplant 22, 1153–1158 (1998). https://doi.org/10.1038/sj.bmt.1701505
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DOI: https://doi.org/10.1038/sj.bmt.1701505
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