International Journal of Clinical Oncology
Clinical outcomes of near-infrared photoimmunotherapy according to immune checkpoint inhibitor timing and treatment sequence: a multicenter retrospective study
Abstract Background Near-infrared photoimmunotherapy (NIR-PIT) is a novel local treatment for recurrent or metastatic head and neck cancer. However, the clinical significance of immune checkpoint inhibitor (ICI) timing and treatment sequencing remains unclear. This study investigated their association with clinical outcomes after NIR-PIT. Methods This multicenter retrospective study included 44 patients with 48 lesions who underwent initial NIR-PIT between January 2021 and March 2026. The primary analysis compared …