Prevention or reversal of disease using drugs, chemicals, vitamins, or minerals. While this idea is not currently widely used, it is a very promising area of study. The Breast Cancer Prevention Trial has shown that the drug tamoxifen can prevent some cases of breast cancer among women with high risk of this disease. However, the drug has some serious side effects.
In cancer, this term is used to describe attempts at disease prevention through the use of drugs, chemicals, vitamins and/or minerals. The concept is under study but is not yet ready for wide application.
The use of drugs or vitamins to prevent cancer in people who have precancerous conditions or a high risk of cancer, or to prevent the recurrence of cancer in people who already have been treated for it.