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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Prospective trial on topotecan salvage therapy in primary CNS lymphoma.

BACKGROUND: Standard salvage therapy has not been established for recurrent primary central nervous system lymphoma (PCNSL). We report the final results of a prospective study on topotecan chemotherapy in relapsed or refractory PCNSL. PATIENTS AND METHODS: The study included 27 patients with a median age of 51 years and an ECOG performance status of 2. Fourteen patients were refractory to the last therapy, and 13 relapsed after a median period of 6.0 months. Pretreatment with up to four regimens included chemotherapy in 26 patients and whole brain irradiation in 14. A 30-min daily topotecan infusion of 1.5 mg/m(2) for 5 days was repeated every 3 weeks. RESULTS: The response rate was 33% with five complete (CR) and four partial remissions (PR). The median follow-up was 37.7 months. All complete responders had sustained remissions lasting for 9 to 28 months. The median event-free survival (EFS) was 2.0 months (9.1 months in responders), the overall survival (OAS) was 8.4 months. CTC grade 3-4 leukopenia occurred in 26% and thrombocytopenia in 11% of the patients. Eight of 12 patients alive without cerebral lymphoma > or = six months after topotecan exhibited deficits attributable to late neurotoxicity. CONCLUSION: Topotecan as monotherapy is active in relapsed and refractory PCNSL with tolerable toxicity.[1]

References

  1. Prospective trial on topotecan salvage therapy in primary CNS lymphoma. Fischer, L., Thiel, E., Klasen, H.A., Birkmann, J., Jahnke, K., Martus, P., Korfel, A. Ann. Oncol. (2006) [Pubmed]
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