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Profile Name | FGFR3 S249C FGFR3 V555L |
Gene Variant Detail | |
Relevant Treatment Approaches |
Molecular Profile | Indication/Tumor Type | Response Type | Relevant Treatment Approaches | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|---|
FGFR3 S249C FGFR3 V555L | transitional cell carcinoma | predicted - resistant | Erdafitinib | Case Reports/Case Series | Actionable | In a clinical case study, FGFR3 V555L was identified in the post-progression circulating tumor DNA of a patient with urothelial cancer harboring FGFR3 S249C who previously responded to Balversa (erdafitinib) treatment (PMID: 37377403). | 37377403 | |
FGFR3 S249C FGFR3 V555L | transitional cell carcinoma | predicted - resistant | Pemigatinib | Case Reports/Case Series | Actionable | In a Phase II trial (FIGHT-201), FGFR3 V555L was identified in post-progression biopsy in a patient with urothelial carcinoma harboring FGFR3 S249C who previously achieved stable disease on Pemazyre (pemigatinib) treatment (PMID: 37956738; NCT02872714). | 37956738 | |
FGFR3 S249C FGFR3 V555L | Advanced Solid Tumor | sensitive | R3-altibody | Preclinical - Cell culture | Actionable | In a preclinical study, R3-altibody inhibited Fgfr3 downstream signaling and growth in a cell line expressing FGFR3 S249C and V555L in culture (PMID: 39082679). | 39082679 | |
FGFR3 S249C FGFR3 V555L | Advanced Solid Tumor | resistant | Erdafitinib | Preclinical - Cell culture | Actionable | In a preclinical study, a cell line expressing FGFR3 S249C and V555L was resistant to Balversa (erdafitinib) in culture (PMID: 39082679). | 39082679 | |
FGFR3 S249C FGFR3 V555L | Advanced Solid Tumor | resistant | Fexagratinib | Preclinical - Cell culture | Actionable | In a preclinical study, a cell line expressing FGFR3 S249C and V555L was resistant to AZD4547 in culture (PMID: 39082679). | 39082679 |