Phase Ib Trial of Multivalent Autophagosome Vaccine With or Without GITR Agonist, With Anti-PD-1 Immunotherapy in HNSCC (clinicaltrials.gov) - Sep 4, 2026 - P1 | N=19 | Active, not recruiting | Sponsor: Providence Health & Services | Recruiting ➔ Active, not recruiting | N=56 ➔ 19 Checkpoint inhibition • Enrollment change • Enrollment closed • Head and Neck Cancer • Oncology • Solid Tumor • Squamous Cell Carcinoma • Squamous Cell Carcinoma of Head and Neck
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