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- Barkholt, L., et al.
(författare)
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Allogeneic haematopoietic stem cell transplantation for metastatic renal carcinoma in Europe
- 2006
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Ingår i: Annals of Oncology. - : Elsevier BV. - 1569-8041 .- 0923-7534. ; 17:7, s. 1134-1140
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Tidskriftsartikel (refereegranskat)abstract
- Background: An allogeneic antitumour effect has been reported for various cancers. We evaluated the experience of allogeneic haematopoietic stem cell transplantation (HSCT) for renal cell carcinoma (RCC) in 124 patients from 21 European centres. Patients and methods: Reduced intensity conditioning and peripheral blood stem cells from an HLA-identical sibling (n = 106), a mismatched related (n = 5), or an unrelated (n = 13) donor were used. Immunosuppression was cyclosporine alone, or combined with methotrexate or mycophenolate mofetil. Donor lymphocyte infusions (DLI) were given to 42 patients. The median follow-up was 15 (range 3-41) months. Results: All but three patients engrafted. The cumulative incidence of moderate to severe, grades II-IV acute GVHD was 40% and for chronic GVHD it was 33%. Transplant-related mortality was 16% at one year. Complete (n = 4) or partial (n = 24) responses, median 150 (range 42-600) days post-transplant, were associated with time from diagnosis to HSCT, mismatched donor and acute GVHD II-IV. Factors associated with survival included chronic GVHD (hazards ratio, HR 4.12, P < 0.001), DLI (HR 3.39, P < 0.001), < 3 metastatic sites (HR 2.61, P = 0.002) and a Karnofsky score > 70 (HR 2.33, P = 0.03). Patients (n = 17) with chronic GVHD and given DLI had a 2-year survival of 70%. Conclusion: Patients with metastatic RCC, less than three metastatic locations and a Karnofsky score > 70% can be considered for HSCT. Posttransplant DLI and limited chronic GVHD improved the patient survival.
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- Mattsson, Jonas, 1966, et al.
(författare)
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Mixed chimaerism is common at the time of acute graft-versus-host disease and disease response in patients receiving non-myeloablative conditioning and allogeneic stem cell transplantation.
- 2001
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Ingår i: British journal of haematology. - : Wiley. - 0007-1048. ; 115:4, s. 935-44
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Tidskriftsartikel (refereegranskat)abstract
- We report the clinical outcome and results of chimaerism analysis in various cell lineages of 30 patients given non-myeloablative conditioning, followed by allogeneic stem cell transplantation (SCT). The commonest diagnoses were chronic myelogenous leukaemia (n = 11) and solid tumours (n = 11). Twenty-one patients received SCT from human leucocyte antigen (HLA)-identical siblings and nine from matched unrelated donors. Median patient age was 53 (28-77) years. Four non-myeloablative protocols were used, including fludarabine (30 mg/m2 x 3-6), busulphan (4 mg/kg x 2), cyclophosphamide (Cy) (30 mg/kg/day x 2) or total body irradiation (2 Gy), and anti-thymocyte globulin. The patients were analysed by polymerase chain reaction (PCR) analysis of minisatellites on days 14, 21 and 28, then every other week up to 3 months and monthly thereafter. All samples were cell separated for T, B and myeloid cells using immunomagnetic beads. Eighteen patients were alive at a median follow-up of 11 (6-20) months. Acute graft-versus-host disease (GVHD) occurred in 22 patients. Eighteen of the 22 patients with acute GVHD showed mixed chimaerism (MC) in the T-cell fraction at the time of acute GVHD. However, all patients with acute GVHD showed donor chimaerism (DC) in the T-cell fraction median 76 (7-414) days after onset versus three out of eight patients without acute GVHD, P < 0.001]. Disease response was diagnosed in 15 patients, median 100 (37-531) days after SCT. At the time of disease response, six out of 15 patients showed MC in the T-cell fraction. In conclusion, mixed chimaerism in the T-cell fraction is common at the time of acute GVHD and disease response in patients conditioned with non-myeloablative therapy.
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