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Profile Name | FGFR3 N540K |
Gene Variant Detail | |
Relevant Treatment Approaches | FGFR Inhibitor (Pan) FGFR3 Inhibitor |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
FGFR3 S249C FGFR3 N540K PIK3CA E545K | transitional cell carcinoma | predicted - resistant | Erdafitinib | Case Reports/Case Series | Actionable | In a clinical case study, FGFR3 N540K was identified in the post-progression biopsy of a patient with upper tract urothelial carcinoma harboring FGFR3 S249C and PIK3CA E545K who previously responded to Balversa (erdafitinib) treatment (PMID: 37377403). | 37377403 |
FGFR3 Y373C FGFR3 N540K FGFR3 V555L FGFR3 L608V | bladder urothelial carcinoma | predicted - resistant | Futibatinib | Case Reports/Case Series | Actionable | In a clinical case study, FGFR3 N540K, FGFR3 V555L, and FGFR3 L608V were identified in the post-progression circulating tumor DNA of a patient with bladder urothelial carcinoma harboring FGFR3 Y373C who previously responded to Lytgobi (futibatinib) treatment (PMID: 37377403). | 37377403 |
FGFR3 Y373C FGFR3 N540K | transitional cell carcinoma | predicted - resistant | Pemigatinib | Case Reports/Case Series | Actionable | In a Phase II trial (FIGHT-201), FGFR3 N540K was identified in post-progression biopsy in a patient with urothelial carcinoma harboring FGFR3 Y373C who previously achieved stable disease on Pemazyre (pemigatinib) treatment (PMID: 37956738; NCT02872714). | 37956738 |