Pembrolizumab with or without bevacizumab in platinum-resistant recurrent or metastatic nasopharyngeal carcinoma: a randomised, open-label, phase 2 trial

Wan-Qin Chong, Jia-Li Low, Joshua K. Tay, Thi Bich Uyen Le, Grace Shi-Qing Goh, Kenneth Sooi, Hui-Lin Teo, Seng Wee Cheo, Regina Tong-Xin Wong, Jens Samol, M.C. Lim, Hao Li, Niranjan Shirgaonkar, Shumei Chia, Lingzhi Wang, Anil Gopinathan, Donovan Eu, Raymond King‐Yin Tsang, Kwok‐Seng Thomas Loh, Han-Chong Toh, Nicholas Syn, Li Ren Kong, Ramanuj DasGupta, Bee‐Choo Tai, Yaw‐Chyn Lim, Boon Cher Goh