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FDA approves Ayvakit to treat unresectable or metastatic gastrointestinal stromal tumor.- Blueprint Medicines

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Published:11th Jan 2020
Blueprint Medicines Corporation announced that the FDA has approved Ayvakit (avapritinib) for the treatment of adults with unresectable or metastatic gastrointestinal stromal tumor (GIST) harboring a platelet-derived growth factor receptor alpha (PDGFRA) exon 18 mutation, including PDGFRA D842V mutations. Ayvakit is the first precision therapy approved to treat a genomically defined population of patients with GIST. The FDA granted a full approval to Ayvakit based on efficacy results from the Phase 1 NAVIGATOR clinical trial, as well as combined safety results from multiple clinical trials for avapritinib. In patients with PDGFRA exon 18 mutant GIST, Ayvakit had an overall response rate (ORR) of 84 percent (95% CI: 69%, 93%), and a median duration of response (DOR) was not reached. The most common adverse reactions ( greater than 20 percent) were edema, nausea, fatigue/asthenia, cognitive impairment, vomiting, decreased appetite, diarrhea, hair color changes, increased lacrimation, abdominal pain, constipation, rash and dizziness. Blueprint Medicines plans to make Ayvakit available in the U.S. within a week.
Condition: GIST
Type: drug

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