The Efficacy of Camrelizumab Plus Stereotactic Body Radiotherapy in R/M NPC

Camrelizumab 200mg IV starting day 1 and then every 2 weeks thereafter. Treatment with Camrelizumab will continue until progression or unacceptable toxicity.

Image guided, stereotactic body radiotherapy (27 Gy over 3 fractions given every other day) to a single lesion to start by study day 14 (study day 1 is day of first dose of Camrelizumab).