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Dr. Tap on Combined KIT and CTLA-4 Blockade in Patients with GIST

William D. Tap, MD
Published: Thursday, Jul 10, 2014

William D. Tap, MD, Chief, Sarcoma Medical Oncology Service, Memorial Sloan Kettering Cancer Center, discusses the idea of using combined KIT and CTLA-4 blockade in patients with refractory GIST and other advanced sarcomas.

Tap says the rationale behind this study stems from research that showed that when GIST respond to imatinib, there is an important immune-mediated response that occurs. Research has also shown that an immune response is often responsible for the development of resistance to drugs such as imatinib. Tap says if a checkpoint inhibitor is given after a TKI, an improvement in the immune response is seen.

In this phase I study, dasatinib was combined with ipilimumab to treat patients with GIST and other sarcomas. Tap says the purpose of this study was to discover the correct dose. As drug resistance makes GIST difficult to treat, Tap is hoping that combining drugs such as dastinib and ipilimumab may be a new option for patients.

William D. Tap, MD, Chief, Sarcoma Medical Oncology Service, Memorial Sloan Kettering Cancer Center, discusses the idea of using combined KIT and CTLA-4 blockade in patients with refractory GIST and other advanced sarcomas.

Tap says the rationale behind this study stems from research that showed that when GIST respond to imatinib, there is an important immune-mediated response that occurs. Research has also shown that an immune response is often responsible for the development of resistance to drugs such as imatinib. Tap says if a checkpoint inhibitor is given after a TKI, an improvement in the immune response is seen.

In this phase I study, dasatinib was combined with ipilimumab to treat patients with GIST and other sarcomas. Tap says the purpose of this study was to discover the correct dose. As drug resistance makes GIST difficult to treat, Tap is hoping that combining drugs such as dastinib and ipilimumab may be a new option for patients.




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TitleExpiration DateCME Credits
Moving Forward From the Status Quo for the Treatment of Soft Tissue Sarcoma: Key Questions & New Answers to Optimize OutcomesAug 16, 20181.5
Clinical Interchange™: Moving Forward From the Status Quo for the Treatment of Soft Tissue Sarcoma: Key Questions and New Answers to Optimize OutcomesOct 31, 20182.0
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