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Clinical Trial Summary

Imatinib (IM) has dramatically improved survival of gastrointestinal stromal tumors (GIST). However, most patients become resistant to IM in less than two years. This clinical trial combines targeted therapy (IM) with immunotherapy (peginterferon α-2b). Hypothesis: Apoptosis/necrosis of imatinib-sensitive GIST releases GIST-specific antigens in vivo while Peginterferon α-2b fulfills the role of cytokine signal (danger signal), this combination can induce effective innate and adaptive anti-GIST immunity, which can eradicate imatinib-resistant clones and GIST stem cells via recognition of common antigens shared with imatinib-sensitive GIST, leading to improved response rate and remission duration.


Clinical Trial Description

n/a


Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00585221
Study type Interventional
Source University of Utah
Contact
Status Terminated
Phase Phase 2
Start date July 2007
Completion date July 2009

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