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Lancet. 2000 Aug 26;356(9231):701-7.

Treatment of severe systemic lupus erythematosus with high-dose chemotherapy and haemopoietic stem-cell transplantation: a phase I study.

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  • 1Robert H Lurie Cancer Center, Division of Immunotherapy for Autoimmune Diseases, Northwestern University, Chicago, IL, USA. a-traynor@nwu.edu

Abstract

BACKGROUND:

Patients with systemic lupus erythematosus (SLE) who experience persistent multiorgan dysfunction, despite standard doses of intravenous cyclophosphamide, represent a subset of patients at high risk of early death. We investigated the safety and efficacy of immune suppression and autologous haemopoietic stem-cell infusion to treat such patients.

METHODS:

From 1996, we selected patients with persistent SLE despite use of cyclophosphamide. Patients underwent dose-intense immune suppression and autologous haemopoietic stem-cell (CD34) infusion. Peripheral blood lymphocytes were analysed by flow cytometry, ELISA, and T-cell-receptor spectratyping before and after transplantation. We mobilised autologous haemopoietic stem cells with 2.0 g/m2 cyclophosphamide and 10 microg/kg granulocyte colony stimulating factor daily, enriched with CD34-positive selection, and reinfused after immunosuppression with 200 mg/kg cyclophosphamide, 1 g methylprednisolone, and 90 mg/kg equine antithymocyte globulin.

RESULTS:

Nine patients underwent stem-cell mobilisation but two were excluded before transplantation because of infection. The remaining seven received high-dose chemotherapy and stem-cell infusion. Median time to an absolute neutrophil count higher than 0.5x10(9)/L and nontransfused platelet count higher than 20x10(9)/L was 9 days (range 8-11) and 11 days (10-13), respectively. At a median follow-up of 25 months (12-40), all patients were free from signs of active lupus. Renal, cardiac, pulmonary, and serological markers, and T cell phenotype and repertoire had normalised.

INTERPRETATION:

Patients remained free from active lupus and improved continuously after transplantation, with no immunosuppressive medication or small residual doses of prednisone. T-cell repertoire diversity and responsiveness was restored. Durability of remission remains to be established.

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PMID:
11085688
[PubMed - indexed for MEDLINE]
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