Priority review granted to lenalidomide for FL, MZL


The Food and Drug Administration has granted priority review to a supplemental new drug application (sNDA) for lenalidomide (Revlimid).

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Celgene is seeking approval for lenalidomide in combination with rituximab to treat patients with previously treated follicular lymphoma (FL) or marginal zone lymphoma (MZL).

The FDA plans to make a decision on the sNDA by June 27, 2019.

The FDA aims to take action on a priority review application within 6 months of receiving it rather than the standard 10 months. The FDA grants priority review to applications for products that are expected to provide significant improvements in the treatment, diagnosis, or prevention of serious conditions.

The sNDA for lenalidomide is supported by the phase 3 AUGMENT study (NCT01938001) in which researchers compared rituximab plus lenalidomide to rituximab plus placebo in patients with relapsed/refractory FL or MZL.

Results from AUGMENT were presented at the 2018 annual meeting of the American Society of Hematology (Blood 2018 Nov 29;132:445).

According to the ASH abstract, the trial included 358 patients who were randomized to receive rituximab plus lenalidomide (n = 178) or rituximab plus placebo (n = 180).

At a median follow-up of 28.3 months, the overall response rate was 78% in the lenalidomide arm and 53% in the placebo arm (P less than .0001). The complete response rate was 34% and 18%, respectively (P = .001).

The median progression-free survival was 39.4 months in the lenalidomide arm and 14.1 months in the placebo arm. Overall survival data were not mature, but there were 16 deaths reported in the lenalidomide arm and 26 deaths in the placebo arm.

Treatment-emergent adverse events that were more common in the lenalidomide arm than the placebo arm included infections, cutaneous reactions, constipation, thrombocytopenia, and tumor flare reaction.

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