Molecular Profile Detail

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Profile Name FGFR2 N550K
Gene Variant Detail

FGFR2 N550K (gain of function)

Relevant Treatment Approaches FGFR Inhibitor (Pan) FGFR2 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
FGFR2 - ZMYM4 FGFR2 N550H FGFR2 N550K FGFR2 V565F FGFR2 E566A FGFR2 K660M intrahepatic cholangiocarcinoma sensitive Futibatinib Case Reports/Case Series Actionable In a Phase I trial, a patient with intrahepatic cholangiocarcinoma, harboring an FGFR2-ZMYM4 fusion with FGFR2 V565F, K660M E566A, N550H, and N550K mutations, responded to TAS-120 for 7.2 months before progressing due to an acquired FGFR2 V563L mutation, detected in cell-free DNA (PMID: 31109923; NCT02052778). 31109923
FGFR2 - ZMYM4 FGFR2 N550H FGFR2 N550K FGFR2 V565F FGFR2 E566A FGFR2 K660M intrahepatic cholangiocarcinoma resistant Infigratinib Case Reports/Case Series Actionable In a clinical case study, a patient with intrahepatic cholangiocarcinoma harboring an FGFR2-ZMYM4 fusion developed progressive disease after initial response to Truseltiq (infigratinib) for 5.6 months and FGFR2 V565F, K660M E566A, N550H, and N550K mutations were identified in the post-progression cell-free DNA (PMID: 31109923). 31109923
BRAF L597Q FGFR2 H167_N173del FGFR2 N550K FGFR2 L618F NRAS Q61K intrahepatic cholangiocarcinoma predicted - resistant LY3214996 Case Reports/Case Series Actionable In a clinical case study, acquired NRAS Q61K and FGFR2 N550K mutations were identified following progression on LY3214996 in an intrahepatic cholangiocarcinoma patient harboring BRAF L597Q, FGFR2 H167_N173del, and FGFR2 L618F (PMID: 33926920). 33926920
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive AZD4547 Preclinical - Pdx & cell culture Actionable In a preclinical study, AZD4547 inhibited proliferation of endometrial cells and delayed tumor growth in cell-line derived xenografts harboring the Fgfr2 double mutant, K310R, N550K (PMID: 26294741). 26294741
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive AZD4547 Preclinical - Cell culture Actionable In a preclinical study, AZD4547 treatment induced cell death and reduced survival of an endometrial cancer cell line harboring FGFR2 N550K and K310R in culture (PMID: 30537101). 30537101
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive ABT-737 + AZD4547 Preclinical - Cell culture Actionable In a preclinical study, an endometrial cancer cell line harboring FGFR2 N550K and K310R demonstrated increased cell death following treatment with AZD4547 and ABT-737 combination compared to either agent alone in culture (PMID: 30537101). 30537101
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive Infigratinib Preclinical - Cell line xenograft Actionable In a preclinical study, Truseltiq (infigratinib) treatment induced cell death and reduced survival of an endometrial cancer cell line harboring FGFR2 N550K and K310R in culture, and inhibited tumor growth in a cell line xenograft model (PMID: 30537101). 30537101
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive ABT-737 + PD173074 Preclinical - Cell culture Actionable In a preclinical study, an endometrial cancer cell line harboring FGFR2 N550K and K310R demonstrated increased cell death following treatment with PD173074 and ABT-737 combination compared to either agent alone in culture (PMID: 30537101). 30537101
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive Infigratinib + Navitoclax Preclinical - Cell line xenograft Actionable In a preclinical study, Truseltiq (infigratinib) and Navitoclax (ABT-263) combination treatment enhanced apoptosis, and inhibited tumor growth and induced regression in a cell line xenograft model of endometrial cancer harboring FGFR2 K310R and N550K compared to either agent alone (PMID: 30537101). 30537101
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive ABT-737 + Infigratinib Preclinical - Cell culture Actionable In a preclinical study, an endometrial cancer cell line harboring FGFR2 N550K and K310R demonstrated increased cell death following treatment with Truseltiq (infigratinib) and ABT-737 combination compared to either agent alone in culture (PMID: 30537101). 30537101
FGFR2 K310R FGFR2 N550K endometrial cancer sensitive PD173074 Preclinical - Cell culture Actionable In a preclinical study, PD173074 treatment induced cell death and reduced survival of an endometrial cancer cell line harboring FGFR2 N550K and K310R in culture (PMID: 30537101). 30537101
FGFR2 N550K PIK3CA I20M PIK3CA P539R PTEN R130Q PTEN T321fs endometrial cancer sensitive Buparlisib + Infigratinib Preclinical - Cell culture Actionable In a preclinical study, the combination of Truseltiq (infigratinib) and Buparlisib (BKM120) resulted in a synergistic effect, demonstrating inhibition of cell proliferation, decreased colony formation, and cell death in an endometrial cancer cell line harboring FGFR2 N550K, PIK3CA I20M and P539R, and PTEN R130Q and T321fs*23 in culture (PMID: 28119489). 28119489
FGFR2 N550K PIK3CA I20M PIK3CA P539R PTEN R130Q PTEN T321fs endometrial cancer sensitive Alpelisib + Infigratinib Preclinical - Cell culture Actionable In a preclinical study, the combination of Truseltiq (infigratinib) and Alpelisib (BYL719) resulted in a synergistic effect, demonstrating inhibition of cell proliferation and induced cell death in an endometrial cancer cell line harboring FGFR2 N550K, PIK3CA I20M and P539R, and PTEN R130Q and T321fs*23 in culture (PMID: 28119489). 28119489
FGFR2 N550K PIK3CA I20M PIK3CA P539R PTEN R130Q PTEN T321fs endometrial cancer sensitive Infigratinib + Pictilisib Preclinical - Cell culture Actionable In a preclinical study, the combination of Truseltiq (infigratinib) and Pictilisib (GDC-0941) resulted in a synergistic effect, demonstrating inhibition of cell proliferation, decreased colony formation, and cell death in an endometrial cancer cell line harboring FGFR2 N550K, PIK3CA I20M and P539R, and PTEN R130Q and T321fs*23 in culture (PMID: 28119489). 28119489
FGFR2 C383R FGFR2 N550K endometrial cancer resistant PD173074 Preclinical Actionable In a preclinical study, an endometrial cancer cell line harboring FGFR2 C383R and expressing FGFR2 N550K demonstrated resistance when treated with PD173074 (PMID: 23908597). 23908597
FGFR2 - NRAP FGFR2 N550K intrahepatic cholangiocarcinoma resistant Futibatinib Case Reports/Case Series Actionable In a Phase I trial, a patient with intrahepatic cholangiocarcinoma, harboring an FGFR2-NRAP fusion responded to TAS-120 for 17.2 months before progressing due to an acquired FGFR2 N550K mutation, detected in cell-free DNA and the tumor biopsy (PMID: 31109923; NCT02052778). 31109923
FGFR2 fusion FGFR2 N550K intrahepatic cholangiocarcinoma sensitive Futibatinib Preclinical - Cell culture Actionable In a preclinical study, TAS-120 treatment of intrahepatic cholangiocarcinoma cells with an FGFR2 fusion in context with FGFR2 N550K were sensitive to treatment as demonstrated by decreased cell viability and decreased activation of downstream signaling (PMID: 31109923). 31109923
FGFR2 fusion FGFR2 N550K intrahepatic cholangiocarcinoma resistant Debio 1347 Preclinical - Cell culture Actionable In a preclinical study, Debio 1347 treatment of intrahepatic cholangiocarcinoma cells with an FGFR2 fusion in context with FGFR2 N550K were resistant to treatment, as demonstrated by cell viability and downstream signaling assays (PMID: 31109923). 31109923
FGFR2 fusion FGFR2 N550K intrahepatic cholangiocarcinoma resistant Infigratinib Preclinical - Cell culture Actionable In a preclinical study, Truseltiq (infigratinib) treatment of intrahepatic cholangiocarcinoma cells with an FGFR2 fusion in context with FGFR2 N550K were resistant to treatment as demonstrated by cell viability and downstream signaling assays (PMID: 31109923). 31109923
Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries
NCT01888562 Phase I Ponatinib Ponatinib in the Treatment of FGFR Mutation Positive Recurrent or Persistent Endometrial Carcinoma Withdrawn 0