Molecular Profile Detail

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Profile Name IDH1 R132C IDH1 S280F
Gene Variant Detail

IDH1 R132C (gain of function)

IDH1 S280F (no effect - predicted)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
IDH1 R132C IDH1 S280F acute myeloid leukemia predicted - resistant Ivosidenib Case Reports/Case Series Actionable In a clinical study, IDH1 S280F was identified as an acquired mutation in cis with the original IDH1 R132C in a patient with acute myeloid leukemia (AML), who developed resistance to Tibsovo (ivosidenib) after initial response (PMID: 29950729). 29950729
IDH1 R132C IDH1 S280F acute myeloid leukemia predicted - resistant Ivosidenib Case Reports/Case Series Actionable In a clinical case study, a patient with acute myeloid leukemia (AML) harboring IDH1 R132C progressed following an initial response to treatment with Tibsovo (ivosidenib), and was found to have acquired IDH1 S280F (PMID: 33832922). 33832922
IDH1 R132C IDH1 S280F acute myeloid leukemia predicted - resistant Ivosidenib Case Reports/Case Series Actionable In a Phase I trial, IDH1 S280F was identified at progression in 3 patients with acute myeloid leukemia harboring IDH1 R132C who previously responded to Tibsovo (ivosidenib) treatment (PMID: 32380538; NCT02074839). 32380538