Chemoprevention: A new concept for cancer prevention in primary care

Abstract

Background Prevention of cancer in primary care has focused on modifying behaviours associated with increased risk of cancer (primary prevention) or increasing participation in national cancer screening programs (secondary prevention). On the basis of metaanalyses of large prevention trials, a new paradigm in primary prevention-chemoprevention-is beginning to enter the realms of primary care for specific populations. Objectives In this article, we discuss two examples of cancer chemoprevention relevant to general practice: low-dose aspirin for the prevention of colorectal cancer in people aged 50-70 years, and selective oestrogen receptor modulators (SERMs) for women at increased risk of bre..