Between 1996 and 2004, a total of 708 patients were enrolled in the acute myeloid leukaemia (AML) '96 and '02 studies of the East German Study Group (OSHO). Of these, 138 patients (19.5%) had unfavourable cytogenetics defined as complex karyotype, del (5q)/-5, del (7q)/-7, abn (3q26) and abn (11q23). In all, 77 (56%) achieved complete remission 1 (CR1) after induction chemotherapy and were eligible for haematopoietic cell transplantation (HCT). HCT was performed after a median of two cycles of consolidation chemotherapy (CT) in the AML '96 and one cycle in the AML '02 study (P ¼ 0.03). After a median follow-up of 19 months, overall survival (OS) at two years was significantly better in the donor group (52 ± 9%) versus the no-donor group (24±8%; P ¼ 0.005). Differences in outcomes were mainly because of a lower relapse incidence in patients after HCT (39±11%) compared with a higher relapse incidence in patients undergoing CT (77 ± 10%; P ¼ 0.0005). Treatment-related mortality was low and not statistically significantly different between the two treatment groups (15 ± 7 and 5 ± 5% for HCT and chemotherapy, respectively; P ¼ 0.49).We conclude that early HCT from related or unrelated donors led to significantly better OS and leukaemia-free survival compared with chemotherapy in patients with unfavourable karyotype.
A median number of two (range 1-7) BPV treatment cycles were given to the patients. The majority of the patients (n = 54; 69 %) responded after at least one cycle of chemotherapy with 3 CR, 10 nCR, 10 VGPR and 31 PR. Median PFS and OS for patients without severe hematological toxicities due to previous treatments (n = 45) were 11 and 50 months, respectively. Outcome for these patients was significantly better than that for patients with severe hematological toxicities (grade 3 or 4, n = 33) with a PFS, and OS of 3 months (p < 0.05) and 5 months (p < 0.001), respectively. The regimen was well tolerated with few significant side effects in patients without severe hematological toxicities due to previous treatments. These results indicate that the combination of bortezomib, bendamustine and prednisone is well tolerated in patients with relapsed or refractory MM.
Twenty-four patients (67 %) responded with three CR, three nCR, six VGPR and 12 PR. Six patients had minor response, two stable and four progressive disease. With a median follow-up period of 22 months, median progression-free survival (PFS) and overall survival (OS) for patients of group A were 10 and 25 months, respectively. This outcome was significantly better compared to patients of group B with a median PFS and OS of 3 and 7 months, respectively. Eleven patients showed a CRrenal, five a PRrenal and 15 a MRrenal. These results indicate that this BPV combination is feasible, effective and well tolerated in patients with relapsed/refractory MM and light chain-induced renal failure.
A median number of two (range 1-5) BPV treatment cycles were given to the patients. The majority of the patients (n = 40, 82 %) responded after at least one cycle of BPV therapy with five stringent complete responses (CRs), nine near complete responses, 12 very good partial responses and 14 partial responses. Five patients had MR, three stable and one progressive disease. After a median observation time of 13 months, progression-free survival (PFS) and overall survival (OS) at 12 months were 92 and 94 %, respectively, for patients with normal renal function or mild renal dysfunction (group A) and 83 and 93 %, respectively, for patients with moderate or severe renal dysfunction (group B). Outcome for these patients was slightly better but not statistically significantly better than that for patients with renal failure/dialysis (group C), who had a PFS, and OS of 66 % (p = 0.08) and 73 % (p = 0.05), respectively. These results indicate that this BPV combination is feasible, effective and well tolerated in patients with newly diagnosed MM and normal or impaired renal function.
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