Genentech’s Enspryng Regulatory Review Period

Federal Register notice: FDA has determined for patent extension purposes the regulatory review period for Genentech’s Enspryng (satralizumab-mwge), indicated for treating neuromyelitis optica spectrum disorder in adult patients who are anti-aquaporin-4 antibody positive. The regulatory review period is 2,495 days, of which 2,128 days occurred during the testing phase and 367 days occurred during the approval phase. To view the notice, click here.

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