Molecular Profile Detail

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Profile Name FGFR3 A391E
Gene Variant Detail

FGFR3 A391E (gain of function)

Relevant Treatment Approaches FGFR Inhibitor (Pan) FGFR3 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
FGFR3 A391E Advanced Solid Tumor predicted - sensitive FGFR3 Inhibitor AZD4547 Preclinical - Cell culture Actionable In a preclinical study, cells expressing FGFR3 A391E were sensitive to treatment with AZD4547 in culture, demonstrating reduced cell viability (PMID: 34272467). 34272467
FGFR3 A391E Advanced Solid Tumor predicted - sensitive FGFR Inhibitor (Pan) Infigratinib Preclinical - Cell culture Actionable In a preclinical study, cells expressing FGFR3 A391E were sensitive to treatment with Truseltiq (infigratinib) in culture, demonstrating reduced cell viability (PMID: 34272467). 34272467
FGFR3 A391E Advanced Solid Tumor predicted - resistant FGFR Inhibitor (Pan) Dovitinib Preclinical - Cell culture Actionable In a preclinical study, cells expressing FGFR3 A391E were resistant to treatment with Dovitinib (TKI258) in culture (PMID: 34272467). 34272467
FGFR3 A391E bladder urothelial carcinoma predicted - sensitive FGFR3 Inhibitor AZD4547 Case Reports/Case Series Actionable In a Phase II (MATCH) trial, AZD4547 treatment resulted in an overall response rate of 10.5% (2/19) in patients with advanced solid tumors harboring FGFR2 or 3 single nucleotide variants and a 6-month progression-free survival (PFS) rate of 6%, with stable disease in 2 of 7 patients with FGFR3 activating mutations, and a partial response in a patient with urinary bladder transitional cell carcinoma harboring FGFR3 A391E (reported as A393E) (PMID: 32463741; NCT02465060). 32463741
FGFR3 A391E Advanced Solid Tumor predicted - sensitive FGFR3 Inhibitor Pemigatinib Preclinical - Cell culture Actionable In a preclinical study, cells expressing FGFR3 A391E were sensitive to treatment with Pemazyre (pemigatinib) in culture, demonstrating reduced cell viability (PMID: 34272467). 34272467
FGFR3 A391E Advanced Solid Tumor predicted - sensitive FGFR Inhibitor (Pan) Erdafitinib Preclinical - Cell culture Actionable In a preclinical study, cells expressing FGFR3 A391E were sensitive to treatment with Balversa (erdafitinib) in culture, demonstrating reduced cell viability (PMID: 34272467). 34272467
Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries
NCT04972253 Phase I Infigratinib Phase I BLASST-3 Trial ((BLASST)-3) Recruiting USA 0