Clinical Trials Browser

Phase 3 × Completed × beta Carotene × Clear all

NCT00169845 2018-03-14

Beta-carotene and Alpha-tocopherol Chemoprevention of Second Primary Malignancies in Head and Neck Cancer Patients

Phase 3 Completed

Head and Neck Neoplasms, Neoplasms, Radiation Injuries, Neoplasms, Second Primary

NCT00272428 2009-12-17

Primary Prevention Trial of the Health Effects of Antioxidant Vitamins and Minerals.

Phase 3 Completed

13,000 enrolled

Neoplasms