NCT06100692 2023-11-07Prophylactic Oral Vitamin D and Zinc for Radiation-Induced Oral Mucositis in Head and Neck CancerAssiut UniversityUnknown100 enrolled
NCT00272428 2009-12-17Primary Prevention Trial of the Health Effects of Antioxidant Vitamins and Minerals.Institut National de la Santé Et de la Recherche Médicale, FrancePhase 3 Completed13,000 enrolled