• Karin Hohloch, Carsten Oliver Sahlmann, Vijai J Lakhani, Gerald Wulf, Bertram Glass, Justin Hasenkamp, Johannes Meller, Joachim Riggert, Lorenz Trümper, and Frank Griesinger.
• Department of Hematology and Oncology, University Medicine, Georg-August-University, Robert Koch Str. 40, 37075 Göttingen, Germany. karo.hohloch@med.uni-goettingen.de
• Ann. Hematol. 2011 Nov 1;90(11):1307-15.

AbstractA phase II trial evaluated safety, feasibility and efficacy of a sequential tandem approach combining myeloablative BEAM chemotherapy and autologous stem cell transplantation (ASCT) with myeloablative radioimmunotherapy (HD-RIT), with (131)I-anti-CD20 antibody ((131)I-rituximab), followed by a second ASCT in patients with relapsed or refractory CD20+ B-cell lymphoma. According to protocol, 16 patients with relapsed (n = 14) and refractory (n = 2) CD20+ B-cell lymphoma received salvage therapy with rituximab and Dexa-BEAM, followed by BEAM (HD chemotherapy) and high-dose myeloablative radioimmunotherapy 2-6 months after BEAM. Nine of 16 patients received HD-RIT; seven patients were excluded before HD-RIT because of toxicity or progressive disease. Disease histologies were follicular lymphoma (FL) grades 1 and 2 (n = 4), transformed follicular (FL 3b; n = 6), diffuse large B-cell (DLBCL; n = 4), mantle cell (n = 1) and marginal zone lymphoma (n = 1). After a median follow-up of 50.4 months for OS and 39.7 months for progression-free survival (PFS), estimated 4-year OS and PFS were 67% and 64%, respectively. The estimated 4-year OS and PFS for patients with FL were 80% and 78%, respectively. Toxicity was significant, including one fatal outcome due to pneumonitis. Tandem transplants consisting of HD chemotherapy followed by HD-RIT with (131)I-coupled anti-CD20 are manageable and effective but toxic treatment modalities for relapsed poor prognosis CD20+ B-NHL.

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