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Profile Name | FGFR2 N549D |
Gene Variant Detail | |
Relevant Treatment Approaches | FGFR Inhibitor (Pan) FGFR2 Inhibitor |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
FGFR2 C382R FGFR2 N549D FGFR2 N549H FGFR2 N549K FGFR2 V564L | cholangiocarcinoma | predicted - resistant | Pemigatinib | Case Reports/Case Series | Actionable | In a Phase II trial (FIGHT-207), FGFR2 N549K, FGFR2 V564L, FGFR2 N549D, and FGFR2 N549H were identified in the post-progression circulating tumor DNA of a patient with cholangiocarcinoma harboring FGFR2 C382R who previously responded to Pemazyre (pemigatinib) treatment (PMID: 38710951; NCT03822117). | 38710951 |
FGFR2 C382R FGFR2 N549D | intrahepatic cholangiocarcinoma | predicted - resistant | Erdafitinib | Case Reports/Case Series | Actionable | In a clinical case study, FGFR2 N550D (reported as N549D) was identified in the post-progression tissue biopsy of a patient with intrahepatic cholangiocarcinoma harboring FGFR2 C382R (reported as C383R) who previously responded to treatment with Balversa (erdafitinib) (PMID: 39226398). | 39226398 |
FGFR2 C382R FGFR2 N549D | intrahepatic cholangiocarcinoma | conflicting | Futibatinib | Case Reports/Case Series | Actionable | In a clinical case study, a patient with intrahepatic cholangiocarcinoma harboring FGFR2 C382R (reported as C383R) and FGFR2 N549D (reported as N550D) experienced progressive disease on treatment with Lytgobi (futibatinib), however, treatment in the patient-derived xenograft (PDX) model resulted in tumor growth inhibition (PMID: 39226398). | 39226398 |