Overview Effect of Bevacizumab on Asymptomatic Radiotherapy-induced Brain Injury Status: Recruiting Trial end date: 2025-12-30 Target enrollment: Participant gender: Summary To investigate the effect of Bevacizumab on asymptomatic radiotherapy-induced brain injury patients with head and neck cancer. Phase: Phase 2 Details Lead Sponsor: Sun Yat-Sen Memorial Hospital of Sun Yat-Sen UniversityTreatments: Bevacizumab