Is There a Best Initial Treatment for a New Patient With Low Grade Follicular Lymphoma.

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The treatment landscape for newly diagnosed follicular lymphoma (FL) has dramatically changed over the past decade, first with the advent of rituximab and then with the activity of old and new drugs, like bendamustine and lenalidomide, in this disease. The efficacy and tolerability of rituximab has led to a paradigm shift for the management of patients with low volume FL for many oncologists. Despite the lack of a survival benefit seen with this approach, many now use this single agent in patients who had historically been observed. Likewise, its use as maintenance therapy following successful front-line induction therapy of patients with symptomatic FL, with either rituximab alone or specific chemoimmunotherapy regimens, has improved remission duration and widely been adopted. As newer chemoimmunotherapy regimens, like bendamustine and rituximab, have superior outcomes with improved tolerability, upfront treatment options are redefined and questions emerge: whom do maintenance strategies benefit, and what is the optimal sequencing of therapies? Finally, as newer targeted and potentially better tolerated therapies demonstrate efficacy in the relapsed setting, their use, both in combination with and in place of chemotherapy, is being explored. The promising regimen of lenalidomide with rituximab is being compared with chemoimmunotherapy in a randomized fashion. Cure remains elusive, however, in advanced stage disease and so safety and tolerability, in addition to efficacy, remain important endpoints.