Sutent Adjunctive Treatment of Differentiated Thyroid Cancer

This study is comparing a drug called Sutent with standard of care treatment for people with advanced thyroid cancer. Because advanced thyroid cancer is becoming increasingly common and effective treatment options are limited, new therapies are desperately needed. This study is designed to see if Sutent following therapy with radioactive iodine will target cancer cells and delay disease progression better than standard therapy alone. Newly diagnosed patients, who are scheduled to receive radioactive iodine as part of their standard care are possible candidates. By entering into this study, participants agree to take oral Sutent for approximately two years after completing standard therapy. During this time, study participants will be followed closely by their doctor.