• Sohita Dhillon.
• Springer, Private Bag 65901, Mairangi Bay, 0754, Auckland, New Zealand. demail@springer.com.
• Target Oncol. 2017 Apr 1; 12 (2): 255-262.

AbstractObinutuzumab (Gazyva®, Gazyvaro®) is a recombinant, monoclonal, humanized and glycoengineered, type II, anti-CD20, IgG1 antibody. It has recently been granted an additional indication for the treatment of patients with follicular lymphoma who relapsed after, or are refractory to, a rituximab-containing regimen. In the primary analysis of the large, phase III GADOLIN study, induction therapy with obinutuzumab plus bendamustine followed by obinutuzumab maintenance prolonged progression-free survival (PFS) to a statistically significant extent relative to induction with bendamustine monotherapy in patients with indolent non-Hodgkin's lymphoma (iNHL). The improvement in PFS was largely driven by the subgroup of patients with follicular lymphoma, who also had prolonged overall survival (OS) in a planned updated analysis. Obinutuzumab had a generally manageable tolerability profile in these patients; mild to moderate infusion-related reactions (IRRs) were the most common treatment-emergent adverse events (AEs) and neutropenia the most common grade 3 or 4 treatment-related AEs. Although additional studies and longer-term data are needed to further assess treatment benefits with obinutuzumab, current evidence indicates that obinutuzumab is a useful treatment option for patients with rituximab-refractory or -relapsed follicular lymphoma.

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