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Profile Name FLT3 D835X
Gene Variant Detail

FLT3 D835X (unknown)

Relevant Treatment Approaches FLT3 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
FLT3 D835X acute myeloid leukemia sensitive FLT3 Inhibitor Crenolanib Phase I Actionable In a Phase I trial, Crenolanib treatment resulted in an overall survival (OS) of 185 days in AML patients harboring FLT3 D835X that received no prior therapy (J Clin Oncol 34, 2016 (suppl; abstr 7008)). detail...
FLT3 D835X acute myeloid leukemia sensitive FLT3 Inhibitor Selinexor + Sorafenib Phase Ib/II Actionable In a Phase I/II trial, combination of Selinexor and Nexavar (sorafenib) treatment resulted in complete remission in 29% (4/14) and more than 50% blast reduction in 14% (2/14) of patients with acute myeloid leukemia harboring FLT3 ITD and/or D835 mutations (ASH, 59th Annual Meeting and Exposition, Dec 2017, Abstract 1344; NCT01607892). detail...
FLT3 D835X acute myeloid leukemia sensitive FLT3 Inhibitor Cytarabine + Daunorubicin + Midostaurin FDA approved - On Companion Diagnostic Actionable In a Phase III trial that supported FDA approval, treatment with Rydapt (midostaurin), combined with Cytosar-U (cytarabine) and Daunorubicin, improved overall survival (74.7 mo vs 25.6 mo) in patients with FLT3-mutant (D835X and I836X) or FLT3-ITD (exon 14 insertions) acute myeloid leukemia compared to Cytosar-U (cytarabine) and Daunorubicin with placebo (PMID: 28644114). detail... 28644114 detail...
FLT3 D835X acute myeloid leukemia sensitive FLT3 Inhibitor Gilteritinib FDA approved - On Companion Diagnostic Actionable In a Phase III trial (ADMIRAL) that supported FDA approval, Xospata (gilteritinib) improved median overall survival (9.3 vs 5.6 mo, HR. 0.64, p<0.001) compared to chemotherapy, resulted in superior median event-free survival (2.8 vs 0.7 mo, HR 0.79) and rate of complete remission with full or partial hematologic recovery (34.0% vs 15.3%) in patients with relapsed or refractory acute myeloid leukemia harboring a FLT3 internal tandem duplication (ITD), D835, or I836 mutation (PMID: 31665578; NCT02421939). detail... 31665578 detail...
FLT3 D835X myelodysplastic syndrome not applicable N/A Guideline Prognostic FLT3 D835 mutations are associated with poor prognosis in patients with myelodysplastic syndromes (NCCN.org). detail...
FLT3 D835X acute myeloid leukemia predicted - sensitive LAM-003 Preclinical - Patient cell culture Actionable In a preclinical study, patient-derived acute myeloid leukemia cells harboring FLT3 D835X demonstrated sensitivity to LAM-003 treatment in culture (PMID: 31751472). 31751472
FLT3 D835X acute myeloid leukemia sensitive FLT3 Inhibitor Azacitidine + Gilteritinib + Venetoclax Phase Ib/II Actionable In a Phase I/II trial, Venclexta (venetoclax), Vidaza (azacitidine), and Xospata (gilteritinib) treatment demonstrated safety in acute myeloid leukemia patients with FLT3-ITD or FLT3 D835 mutations and led to a combined complete remission (CR)/CR with incomplete hematologic recovery (CR/CRi) rate of 96% and a median relapse-free survival and median overall survival not reached in newly diagnosed patients (n=30), and a CR/CRi rate of 27% in relapsed/refractory patients (n=22) (PMID: 38277619; NCT04140487). 38277619