This Quick Self Study will introduce the learner to the basics of clinical trials and research. The examples throughout this course are oncology-focussed but the content is suitable for all health care professionals interested in learning more about clinical studies and research. Today’s standard cancer treatments, including radiation therapy, are the result of yesterday’s clinical trials. Sucessful clinical trials have increased survival rates and decreased morbidity associated with many treatments. Clinical trials have also resulted in the development of new compounds and techniques to reduce side effects from cancer therapy.