a favorable trendp = 0.2262
In contrast, the KEYNOTE-122 trial, which investigated pembrolizumab asmonotherapy in patients with recurrent or metastatic NPC who had previously failed platinum-based chemotherapy, did not report a significant improvement in OS in the pembrolizumab arm, despite showing a favorable trend (HR 0.9, 95% CI: 0.67–1.19, p = 0.2262).