Molecular Profile Detail

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Profile Name IDH2 R172X
Gene Variant Detail

IDH2 R172X (unknown)

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 R172X myelodysplastic syndrome not applicable N/A Guideline Prognostic IDH2 R172X is associated with a poor prognosis in patients with myelodysplastic syndrome (NCCN.org). detail...
IDH2 R172X myelodysplastic syndrome predicted - sensitive IDH2 Inhibitor Enasidenib Phase II Actionable In a Phase II trial, Idhifa (enasidenib) treatment was well tolerated and resulted in an overall response rate of 43% (9/21, 5 complete remission (CR), 1 partial remission, 1 marrow CR, 2 hematological improvement only) in patients with higher-risk myelodysplastic syndrome harboring IDH2 R140 or R172 mutations who were refractory to or progressed on hypomethylating agents, with a median overall survival of 21.3 months (J Clin Oncol 39, no. 15_suppl (May 20, 2021) 7010-7010; NCT03383575). detail...
IDH2 R172X myelodysplastic syndrome predicted - sensitive IDH2 Inhibitor Azacitidine + Enasidenib Phase II Actionable In a Phase II trial, Idhifa (enasidenib) and Vidaza (azacitidine) combination treatment was well tolerated and resulted in an overall response rate of 68% (30/46, 11 complete remission (CR), 3 partial remission, 12 marrow CR, 4 hematological improvement only) in patients with higher-risk myelodysplastic syndrome harboring IDH2 R140 or R172 mutations who were naive to hypomethylating agents, with a median overall survival of 21.3 months (J Clin Oncol 39, no. 15_suppl (May 20, 2021) 7010-7010; NCT03383575). detail...