Original Investigation

Combined Positive Score and Cost-Effectiveness of Perioperative Pembrolizumab for Head and Neck Cancer

JAMA Otolaryngology–Head & Neck Surgery 10.1001/jamaoto.2026.2124

August 06, 2026 at 11:00 AM EDT

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In this economic evaluation, addition of perioperative pembrolizumab to standard treatment for locally advanced HNSCC may represent a cost-effective intervention for patients with a PD-L1 CPS greater than 10 if KEYNOTE-689 data are replicable in clinical practice. Perioperative pembrolizumab is not a cost-effective strategy for patients with a CPS less than 10 based on current data. Biomarker stratification may inform the value-based integration of immunotherapy among patients with HNSCC.

Corresponding Author: Pratyusha Yalamanchi, MD, MBA, Head and Neck Surgical Oncology and Microvascular Reconstruction, Department of Otolaryngology–Head and Neck Surgery, Institute for Healthcare Policy and Innovation, University of Michigan Health System, 1500 E Medical Center Dr, Ann Arbor, MI 48104 (ypratyus@med.umich.edu).

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