Abstract

Relapse is the main cause of therapeutic failure in follicular lymphoma (FL). We set out to evaluate the role of consolidation with Yttrium-90 ibritumomab tiuxetan in patients with intermediate- and high-risk FL after four cycles of CHOP-R (cyclophosphamide, doxorubicin, vincristine, prednisone, rituximab) and two cycles of CHOP. Thirty patients were included. The overall response rate after consolidation therapy was 93%. Of the 18 patients who presented with a partial response after induction treatment, 11 had a complete response after consolidation treatment. The complete clinical response rate was 76.6%. The most important grade 3–4 toxicity was hematological, with 46% thrombopenia and 56% neutropenia. With a median follow-up of 26 months, the means for progression-free survival and overall survival were not reached. Our data support consolidation with Yttrium-90 ibritumomab tiuxetan as an effective treatment, which provides long progression-free and overall survival, in first line after a response to induction treatment in patients with intermediate- and high-risk FL.

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