Ripretinib (DCC-2618): a new tyrosine kinase inhibitor for the treatment of metastatic gastrointestinal stromal tumors

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Abstract

Ripretinib (DCC-2618) is a novel tyrosine kinase inhibitor designed to broadly inhibit primary and secondary mutations in KIT (exons 9,11, 13, 14,17,18) and PDGFRA (exon 18). Here in our article we describe clinical trials of ripretinib for patient with advanced gastrointestinal stromal tumors (GIST).

The clinical trial INVICTUS-randomized phase III study of ripretinib for patient with advanced GIST in ≥4 lines therapy; it is the most important results, because there are currently no approved drugs for such patients. Median PFS was significantly improved with ripretinib compared with placebo 6,3 и 1 months (p<0,0001) and median OS was significantly improved with ripretinib compared with placebo 15,1 и 6,6 months (p<0,004).

High efficacy of ripretinib was accompanied with favorable profile of toxicity, only 8,2% patients experienced treatment discontinuations due to adverse events.

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About the authors

D.. A Filonenko

N.N. Blokhin Cancer Research Center

Author for correspondence.
Email: shubina_d@mail.ru
ORCID iD: 0000-0002-7224-3111
Russian Federation, Moscow, 115478

T. E. Tikhomirova

N.N. Blokhin Cancer Research Center

Email: shubina_d@mail.ru
ORCID iD: 0000-0002-7313-4013
Russian Federation, Moscow, 115478

A. A. Meshcheryakov

N.N. Blokhin Cancer Research Center

Email: shubina_d@mail.ru
ORCID iD: 0000-0002-6009-653X
Russian Federation, Moscow, 115478

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Supplementary files

Supplementary Files
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1. JATS XML
2. Table 1. The predictive role of secondary mutations.

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3. Fig. 1. The chemical structure of ripretinib

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4. Fig. 2. Inhibitory concentration of TCI in various primary / secondary mutations

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5. Fig. 3. Efficacy of ripretinib compared to placebo. A - PFS, B - OV, C - OO (blue triangle - continued administration without progression, green - disease progression)

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6. Fig. 4. Overall survival (purple arrow - ripretinib group, red - transition from placebo to ripretinib group, green - placebo group)

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СМИ зарегистрировано Федеральной службой по надзору в сфере связи, информационных технологий и массовых коммуникаций (Роскомнадзор).
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