Study
Global, multicenter, randomized, double-blind, phase 3 trial (AK105-304) |
Previously untreated recurrent or metastatic nasopharyngeal carcinoma (R/M NPC) |
Penpulimab + gemcitabine/cisplatin or carboplatin vs. placebo + gemcitabine/cisplatin or carboplatin |
Efficacy
ORR: 68.1% vs. 63.9% (penpulimab vs. placebo) |
mDoR: 9.8 mos vs. 5.7 mos (HR: 0.40 [0.27–0.59]) |
mPFS: 9.6 mos vs. 7.0 mos (HR: 0.45 [0.33–0.62]) |
OS (unadjusted): HR: 0.94 [0.63–1.40] |
OS (adjusted for cross-over, RPSFT model): HR: 0.62 [0.41–0.94] (RPSFT) |
Safety
Grade ≥3 TRAEs: 89.0% vs. 85.9% |
SAEs: 50.7% vs. 48.6% |
irAEs: 30.8% vs. 8.5% |
Grade ≥3 irAEs: 4.1% vs. 0% |
Cancer Res 2025;85(8_Supplement_2):CT011
http://doi.org/10.1158/1538-7445.AM2025-CT011
Reviewed by Ulas D. Bayraktar, MD on Jun 9, 2025