Welcome to the home page of the Southwest Oncology Group
One of the largest of the National Cancer Institute-supported cancer clinical trials cooperative groups in the United States. SWOG’s primary mission is clinical research in the prevention and cure of cancer.
If you are not a member of Southwest Oncology Group, we invite you to our Visitors pages, which contain information about our Group we hope you will find interesting and useful.
SELECT Study Analysis Results Initial review of study data from the Selenium and Vitamin E Cancer Prevention Trial (SELECT) shows that selenium and vitamin E supplements, taken either alone or together, did not prevent prostate cancer. Visit this page
