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Phase II study of central nervous system (CNS)-directed chemotherapy including high-dose chemotherapy with autologous stem cell transplantation for CNS relapse of aggressive lymphomas

Korfel A et al

Haematologica. 2013 Mar;98(3):364-70

 

Abstract

The prognosis of patients with central nervous system relapse of aggressive lymphoma is very poor with no therapy established so far. In a prospective multicenter phase II study, we evaluated a potentially curative chemotherapy-only regimen in these patients. Adult immunocompetent patients 65 years of age or under received induction chemotherapy with MTX/IFO/DEP (methotrexate 4 g/m(2) intravenously (i.v.) Day 1, ifosfamide 2 g/m(2) i.v. Days 3- 5 and liposomal cytarabine 50 mg intrathecally (i.th) Day 6) and AraC/TT/DEP (cytarabine 3g/m(2) i.v. Days 1-2, thiotepa 40 mg/m(2) i.v. Day 2 and i.th. liposomal cytarabine 50 mg i.th. Day 3) followed by high-dose chemotherapy with carmustine 400 mg/m(2) i.v. Day -5, thiotepa 2×5 mg/kg i.v. Days -4 to -3 and etoposide 150 mg/m(2) i.v. Days -5 to -3, and autologous stem cell transplantation Day 0 (HD-ASCT). Thirty eligible patients (median age 58 years) were enrolled. After HD-ASCT (n=24), there was a complete remission in 15 (63%), partial remission in 2 (8%) and progressive disease in 7 (29%) patients. Myelotoxicity was the most adverse event with CTC grade 3/4 infections in 12% of MTX/IFO/DEP courses, 21% of AraC/TT/DEP courses and 46% of HD-ASCT courses. The 2-year time to treatment failure was 49%±19 for all patients and 58%±22 for patients completing HD-ASCT. The protocol assessed proved feasible and highly active with long-lasting remissions in a large proportion of patients. (ClinicalTrials.govIdentifier NCT01148173).


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