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PD-1 blockade + AVD chemotherapy
Immunotherapy given alongside standard chemotherapy from day one cures more advanced Hodgkin lymphoma with less nerve damage.
SWOG S1826: 2-year PFS 92% vs 83% for BV-AVD, neuropathy halved; approved March 2026 for ages 12+.
Rationale
Reed-Sternberg cells are PD-L1-amplified (9p24.1) and immune-dependent; chemotherapy debulks while PD-1 blockade engages the abundant reactive T cells in the tumour.
Evidence
Phase 3 (S1826) positive; phase 2 CheckMate 205 cohort D.