A Phase II Study of Sunitinib in Patients With Advanced Relapsed or Refractory Thymoma or Thymic Carcinoma With at Least One Prior Line of Platinum-Based Systemic Chemotherapy

Detailed Summary

Background: \- Sunitinib is drug that is approved for treating various types of cancers, including kidney cancers. However, it has not been approved to treat cancers of the thymus. Sunitinib works by blocking proteins that are responsible for cell division and growth. Some of these proteins can be found on thymus cancer cells. Researchers want to see if sunitinib can be used to treat advanced thymus cancer. It will be given to people who have had at least one earlier chemotherapy treatment containing platinum. Objectives: \- To see if sunitinib is a safe and effective treatment for advanced thymus cancer that has not responded to earlier treatments. Eligibility: * Individuals at least 18 years of age who have advanced thymus cancer that has not responded to earlier treatments. * At least one previous cancer treatment must have been chemotherapy treatment containing platinum. Design: * Participants will be screened with a physical exam and medical history. Blood and urine samples will be collected. Imaging studies and tumor biopsies will be used to check the severity of the cancer. * Participants will take sunitinib tablets once a day, in the morning. They will take the tablets daily for 4 weeks, followed by 2 weeks of rest with no sunitinib. This 6-week period is called a cycle. * Treatment will be monitored with frequent blood tests and imaging studies. * Treatment cycles may be repeated as long as the tumor does not continue to grow and there are no severe side effects....

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