Regulatory Review Period for Regeneron’s Kevzara

Federal Register notice: FDA has determined for patent extension-related purposes the regulatory review period for Regeneron Pharmaceuticals’ Kevzara (sarilumab), indicated for treating adult patients with moderately to severely active rheumatoid arthritis who have had an inadequate response or intolerance to one or more disease-modifying antirheumatic drugs. The regulatory review period has been determined to be 3,478 days, which included 2,907 days that occurred during the testing phase and 571 days during the approval phase. To view the notice, click here.

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