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Recently, Merck & Co.
According to the World Health Organization (WHO), in 2020, lung cancer is the leading cause of cancer death worldwide
Keytruda is an anti-PD-1 monoclonal antibody therapy that blocks the interaction between PD-1 and its ligands PD-L1 and PD-L2, thereby activating T lymphocytes
The Phase 3 clinical trial enrolled 1177 patients with stage IB-IIIA NSCLC after surgical resection (lobectomy or pneumonectomy) with or without adjuvant chemotherapy, randomized 1:1 to receive Keytruda or placebo
The interim analysis also showed an improvement in DFS in patients with tumors that expressed high PD-L1 expression in the Keytruda group compared with the placebo group, although this dual primary endpoint did not reach statistical significance
References:
[1] Merck's Keytruda® (pembrolizumab) Showed Statistically Significant Improvement in Disease-Free Survival Versus Placebo as Adjuvant Treatment for Patients With Stage IB-IIIA Non-Small Cell Lung Cancer Regardless of PD-L1 Expression.