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Discover 20,904 clinical trials near Philadelphia, Pennsylvania. Find research studies in your area.
Showing 12321-12340 of 20,904 trials
NCT01068769
The purpose of this research study is to determine the safety and activity of regorafenib in participants with advanced gastrointestinal stromal tumor (GIST) if the standard approved therapies, imatinib and sunitinib, have failed to control the disease. Regorafenib is a drug that blocks abnormally active signaling enzymes called "tyrosine kinases" which are important to the growth of GIST. This "tyrosine kinase inhibition" is similar to the way that both imatinib and sunitinib work; however, regorafenib blocks certain additional signaling pathways that are not blocked by imatinib or sunitinib. Regorafenib has been not been tested in GIST participants before this research study.
NCT02795780
This study will evaluate longitudinal change of tau deposition as measured by flortaucipir F 18 uptake over time.