deaths (OS)progression or deaths (PFS)RFS/DFS

R/R cHL - second line or more (L2) refractory classic Hodgkin lymphoma (R/R cHL) R/R cHL - second line or more (L2)

versus brentuximab vedotin
pembrolizumab alone vs. brentuximab vedotin 1 - 0.65 [0.48; 0.88], 1 RCT, I2=0% conclusive
unassessable degree of certainty
-