© 2005 Oxford University Press
IN THIS ISSUE
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Effect of Antioxidant Vitamins on Second Primary Tumors
Epidemiologic studies have shown an association between low intake of antioxidant vitamins and increased cancer risk, although randomized trials have been equivocal. In this issue (p. 481), Bairati et al. report the results of a randomized trial to investigate the effect of supplementation with
-tocopherol and
-carotene on risk of second primary cancers in patients with head and neck cancer. Supplementation began on the first day of radiation therapy and continued for 3 years after radiation therapy ended. (The use of
-carotene was discontinued partway through the trial, after which
Menopausal Hormone Therapy After Breast Cancer
Erythropoietin Treatment for Cancer-Related Anemia
Trial of Maintenance Chemotherapy for NSCLC
Tumor Growth and Circadian Clock Gene Expression in Mice
Dietary Patterns and the Risk of Pancreatic Cancer