Regulatory Review Period Determined for Merck’s Keytruda

Federal Register notice: FDA has determined for patent extension purposes the regulatory review period for Merck’s Keytruda (pembrolizumab) to be 1,338 days. Of this time, 1,148 days occurred during the testing phase and 190 days occurred during the approval phase. Keytruda is a programmed death receptor-1 (PD–1)-blocking antibody indicated for treating patients with unresectable or metastatic melanoma and patients with metastatic non-small cell lung cancer whose tumors have high PD-ligand 1 expression. It is also approved for use in certain patients with metastatic non-small cell lung cancer whose tumors express PD–L1 and patients with recurrent or metastatic head and neck squamous cell carcinoma with disease progression on or after platinum-containing chemotherapy, among other uses. To view the notice, click here.

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