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- • The Breast Cancer Prevention Trial, the first of its kind, is designed to determine whether tamoxifen , an
- anti-estrogen drug used to treat breast cancer, will prevent cancer, heart attacks and bone fractures in
- postmenopausal women and premenopausal women at high risk for cancer. Up to 16,000 women will
- participate in this 10-year study.
- • The Prostate Cancer Prevention Study will assess the value of finasteride (Proscar) for preventing prostate
- cancer. Eighteen thousand healthy men age 55 and older will be recruited into this study.
- • The Prostate, Lung, Colorectal and Ovarian Trial (PLCO) will evaluate the effectiveness of cancer-screening
- techniques. The study will randomly divide 74,000 men and 74,000 women into either intervention (screening)
- or control (no screening) groups for four years of screening and ten years of monitoring. Screening procedures
- to be tested include the digital rectal examination, prostate specific antigen test (PSA), chest x-ray, flexible
- sigmoidoscopy , pelvic examination, serum CA-125 blood test and vaginal ultrasound .
- • The American Stop Smoking Intervention Study (ASSIST) is designed to reduce the prevalence of smoking in
- 17 states to less than 15 percent of adults by the year 2000. The study is expected to reach 18 million
- smokers.
- • The National Cancer Institute has joined forces with the produce and food retail industries to launch a diet and
- cancer prevention program called "5 A Day For Better Health." This program will combine supermarket
- promotions, media messages and programs in the workplace, school and community to motivate individuals to
- eat five or more servings of fruits and vegetables every day.
