Avapritinib for PDGFRA Exon 18-Mutated GIST: Michael Heinrich, MD

Up to 10% of patients with gastrointestinal stromal tumor (GIST) harbor platelet-derived growth factor receptor alpha (PDGFRA) exon 18 mutations, which have been linked to resistance to standard GIST therapies. The FDA's recent approval of avapritinib (AyvakitTM, Blueprint Medicines) for adults with unresectable or metastatic GIST with PDGFRA exon 18 mutations has given these patients a highly promising treatment option. In this interview, Michael C. Heinrich, MD, lead investigator of the phase ...
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Pembrolizumab for Non-Muscle Invasive Bladder Cancer With Ashish Kamat, MD, MBBS

The FDA recently approved pembrolizumab (Keytruda®, Merck) for the treatment of patients with high-risk non-muscle invasive bladder cancer (NMIBC) unresponsive to bacillus Calmette-Guérin (BCG) therapy. The approval was based on Keynote 057 (NCT02625961), a phase 2 trial in which pembrolizumab produced a complete response rate of 41% in patients with this disease. In this interview with i3 Health, Ashish Kamat, MD, MBBS, Professor of Urologic Oncology (Surgery) and Cancer Research at MD Anderson...
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Tazemetostat Approved for Epithelioid Sarcoma

The FDA has granted accelerated approval to tazemetostat (TazverikTM, Epizyme) for the treatment of adult and pediatric patients aged 16 or older with unresectable locally advanced or metastatic epithelioid sarcoma.Epithelioid sarcoma, which often occurs in young adults and comprises less than 1% of all soft tissue sarcomas, carries a high risk of local and regional spread, and it metastasizes in approximately 30% to 50% of cases. Tazemetostat, a first-in-class selective enhancer of zeste h...
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Enfortumab Vedotin for Advanced Urothelial Carcinoma With Peter H. O'Donnell, MD

The FDA recently approved enfortumab vedotin (Padcev®, Astellas Pharma US, Inc.) for the treatment of patients with locally advanced or metastatic urothelial carcinoma whose disease progressed after treatment with platinum-based chemotherapy and anti–programmed cell death protein 1 (anti–PD-1) or anti–programmed death ligand 1 (anti–PD-L1) therapy. The approval was based on EV-201, a phase 2 trial in which enfortumab vedotin produced a high rate of response in patients with locally advanced or m...
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Avapritinib Approved: Gastrointestinal Stromal Tumor With PDGFRA Exon 18 Mutation

​The FDA has approved avapritinib (AyvakitTM, Blueprint Medicines) for adults with unresectable or metastatic gastrointestinal stromal tumor (GIST) with platelet-derived growth factor receptor alpha (PDGFRA) exon 18 mutations, including D842V mutations, the most common type of exon 18 mutation. Up to 10% of patients with GIST harbor PDGFRA mutations, which have been linked to GIST development."GIST harboring a PDGFRA exon 18 mutation do not respond to standard therapies for GIST," commented Rich...
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