Molecular Profile Detail

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Profile Name IDH2 R140Q
Gene Variant Detail

IDH2 R140Q (gain of function)

Relevant Treatment Approaches IDH Inhibitor (Pan) IDH2 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
IDH2 R140Q myelodysplastic syndrome not applicable N/A Guideline Prognostic IDH2 R140Q is associated with a poor prognosis in patients with myelodysplastic syndrome (NCCN.org). detail...
IDH2 R140Q acute myeloid leukemia sensitive IDH2 Inhibitor Enasidenib FDA approved - On Companion Diagnostic Actionable In a Phase I/II trial that supported FDA approval, Idhifa (enasidenib) treatment resulted in an overall response rate of 40.3% (71/176) with a median response duration of 5.8 months, complete remission in 19.3% (34/176), and stable disease in 48.3% (85/176) of acute myeloid leukemia patients harboring IDH2 mutations (PMID: 28588020; NCT01915498) and IDH2 R140Q is on the companion diagnostic. detail... detail... 28588020
IDH2 R140Q acute myeloid leukemia sensitive IDH2 Inhibitor Enasidenib Preclinical - Pdx & cell culture Actionable In a preclinical study, Enasidenib (AG-221) treatment reduced 2-hydroxyglutarate (2HG) levels and induced differentiation of leukemic blasts from acute myeloid leukemia (AML) patients harboring IDH2 R140Q in culture, and decreased 2HG levels and blast percentage and improved survival relative to Cytosar-U (cytarabine) treatment in IDH2 R140Q-mutant primary AML xenograft models (PMID: 28193778). 28193778
IDH2 R140Q acute myeloid leukemia sensitive IDH2 Inhibitor AGI-6780 Preclinical Actionable In a preclinical study, treatment with AGI-6780 resulted in the differentiation of erythroleukemia and AML cell lines expressing IDH2 R140Q (PMID: 23558173). 23558173
IDH2 R140Q glioblastoma multiforme predicted - sensitive IDH2 Inhibitor Enasidenib Preclinical - Cell line xenograft Actionable In a preclinical study, Enasidenib (AG-221) decreased 2-hydroxyglutarate (2HG) levels in a glioblastoma cell line expressing IDH2 R140Q in culture and in xenograft models (PMID: 28193778). 28193778
IDH2 R140Q malignant glioma predicted - sensitive IDH Inhibitor (Pan) AG-881 Preclinical - Cell line xenograft Actionable In a preclinical study, AG-881 treatment decreased tumor 2HG levels in a glioma cell line xenograft model harboring IDH2 R140Q (Mol Cancer Ther Jan 1 2018 (17) (1 Supp) B126). detail...
Clinical Trial Phase Therapies Title Recruitment Status
NCT03953898 Phase II Olaparib Using the Anticancer Drug Olaparib to Treat Relapsed/Refractory Acute Myeloid Leukemia or Myelodysplastic Syndrome With an Isocitrate Dehydrogenase (IDH) Mutation Recruiting