This study tests whether combining the immunotherapy drug pembrolizumab with the diabetes drug metformin can help shrink tumors in people with advanced head and neck cancer that has spread or come back. The goal is to boost the body's natural killer cells to fight the cancer more…
Phase: PHASE2 • Sponsor: Trisha Wise-Draper • Aim: Disease control
Last updated May 06, 2026 16:14 UTC