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Profile Name IDH1 R132S
Gene Variant Detail

IDH1 R132S (gain of function)

Relevant Treatment Approaches IDH Inhibitor (Pan) IDH1 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
IDH1 mutant glioblastoma predicted - sensitive Bevacizumab + Lomustine Phase II Actionable In a retrospective analysis of a Phase II trial, IDH1 mutation correlated with favorable overall survival in recurrent glioblastoma patients treated with a combination of Avastin (bevacizumab) and Lomustine (PMID: 26762204). 26762204
IDH1 mutant high grade glioma not applicable N/A Clinical Study Prognostic In multiple clinical studies, including two meta-analyses, IDH1 mutations were associated with improved overall survival and progression free survival in patients with gliomas (PMID: 23817809, PMID: 26220714, PMID: 23894344). 23894344 23817809 26220714
IDH1 mutant glioblastoma not applicable N/A Clinical Study Prognostic In multiple clinical studies, including two meta-analyses, IDH1 mutations were associated with a greater overall survival and progression-free survival in patients with glioblastoma (PMID: 23904262, PMID: 26945349, PMID: 20560678). 20560678 23904262 26945349
IDH1 mutant high grade glioma not applicable N/A Guideline Diagnostic IDH1 mutations aid in the diagnosis of gliomas (PMID: 23041832, PMID: 19755387, PMID: 19915484; NCCN.org). detail... 23041832 19755387 19915484
IDH1 mutant acute myeloid leukemia not applicable N/A Clinical Study Prognostic In two meta-analyses, IDH1 mutations were associated with a worse overall survival in patients with acute myeloid leukemia (PMID: 22616558, PMID: 23226625). 22616558 23226625
IDH1 mutant chondrosarcoma resistant Dasatinib Preclinical Actionable In a preclinical study, chondrosarcoma cells harboring IDH1 mutations were resistant to Sprycel (dasatinib) in culture (PMID: 27231123). 27231123
IDH1 mutant lung adenocarcinoma resistant Dasatinib Preclinical Actionable In a preclinical study, lung adenocarcinoma cells harboring IDH1 mutations were resistant to Sprycel (dasatinib) in culture (PMID: 27231123). 27231123
IDH1 mutant acute myeloid leukemia predicted - sensitive Venetoclax Phase II Actionable In a Phase II trial, 33% (4/12) of acute myeloid leukemia patients harboring either IDH1 or IDH2 mutations responded to treatment with Venclexta (venetoclax), demonstrating a complete response or complete response with incomplete blood count recovery (PMID: 27520294). 27520294
IDH1 R132X acute myeloid leukemia sensitive IDH305 Phase I Actionable In a Phase I trial, IDH305 treatment resulted in objective response in 33% (7/21) of acute myeloid leukemia patients harboring IDH1 R132 mutations, including complete remission in 3 (14%) and partial remission in 4 (19%) patients (Blood 2016 128 (22):1073). detail...
IDH1 mutant cholangiocarcinoma sensitive Ivosidenib Phase I Actionable In a Phase I trial, AG-120 treatment resulted in partial response in 6% (4/72) and stable disease in 56% (40/72) of cholangiocarcinoma patients harboring IDH1 mutations (Journal of Clinical Oncology 35, no. 15_suppl (May 2017) 4015-4015; NCT02073994). detail...
IDH1 mutant anaplastic astrocytoma not applicable N/A Guideline Diagnostic IDH1 mutations aid in the diagnosis of grade III astrocytomas (NCCN.org). detail...
IDH1 mutant malignant astrocytoma not applicable N/A Guideline Diagnostic IDH1 mutations aid in the diagnosis of grade II and grade III astrocytomas (NCCN.org). detail...
IDH1 mutant oligodendroglioma not applicable N/A Guideline Diagnostic IDH1 mutations aid in the diagnosis of oligodendrogliomas (NCCN.org). detail...
IDH1 mutant myelofibrosis not applicable N/A Guideline Prognostic IDH1 mutations are associated with inferior leukemia-free survival in patients with myelofibrosis (NCCN.org). detail...
IDH1 mutant high grade glioma not applicable N/A Guideline Prognostic IDH1 mutations are associated with a favorable prognosis in patients with glioma, and are associated with a survival benefit for patients treated with radiation or alkylator therapy (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Cytarabine + Venetoclax Phase Ib/II Actionable In a Phase I/II trial, Venclexta (venetoclax) in combination with low-dose cytarabine resulted in complete remission or complete remission with incomplete count recovery in 72% (13/18) of patients with acute myeloid leukemia harboring IDH1 or IDH2 mutations who were ineligible for intensive chemotherapy (ASH Annual Meeting, Dec 2018, Abstract 284; NCT02287233). detail...
IDH1 R132X acute myeloid leukemia predicted - sensitive CG-806 Preclinical - Patient cell culture Actionable In a preclinical study, patient-derived acute myeloid leukemia cells harboring IDH1 R132X mutations demonstrated increased sensitivity to CG-806 compared to wild-type cells in culture (Proceedings of the American Association for Cancer Research, Vol 60, Mar 2019, Abstract #1323). detail...
IDH1 mutant acute myeloid leukemia predicted - sensitive LY3410738 Preclinical - Pdx & cell culture Actionable In a preclinical study, LY3410738 reversed mutant IDH1-induced differentiation block in patient-derived acute myeloid leukemia (AML) cells, inhibited 2-HG production, induced differentiation, and eliminated AML cells in patient-derived orthotopic animal models of IDH1-mutant AML (AACR 2019 Annual Meeting, Abstract LB-274). detail...
IDH1 mutant acute myeloid leukemia sensitive Ivosidenib FDA approved - Has Companion Diagnostic Actionable In a Phase I trial that supported FDA approval, Tibsovo (ivosidenib) treatment resulted in complete remission (CR) in 21.6% (27/125), CR with partial hematological recovery (CRh) in 8.8% (11/125), and overall response (OR) in 41.6% (52/125) of patients with relapsed or refractory acute myeloid leukemia harboring a susceptible IDH1 mutation (R132C/G/H/L/S) as detected by an FDA-approved test (PMID: 29860938; NCT02074839). detail... detail... 29860938
IDH1 mutant acute myeloid leukemia sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines for patients with relapsed or refractory acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Azacitidine Guideline Actionable Vidaza (azacitidine) is included in guidelines for adult patients with acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Decitabine Guideline Actionable Dacogen (decitabine) is included in guidelines for adult patients with acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant angioimmunoblastic T-cell lymphoma not applicable N/A Guideline Diagnostic IDH1 mutations aid in the diagnosis of angioimmunoblastic T-cell lymphoma (NCCN.org). detail...
IDH1 mutant polycythemia vera not applicable N/A Guideline Prognostic IDH1 mutations are associated with inferior overall survival in patients with polycythemia vera (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Azacitidine + Venetoclax Guideline Actionable Venclexta (venetoclax) in combination with Vidaza (azacitidine) is included in guidelines for adult patients with acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Decitabine + Venetoclax Guideline Actionable Venclexta (venetoclax) in combination with Dacogen (decitabine) is included in guidelines for adult patients with acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Cytarabine + Venetoclax Guideline Actionable Venclexta (venetoclax) in combination with Cytosar-U (cytarabine) is included in guidelines for adult patients with acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia predicted - sensitive Olaparib Preclinical - Patient cell culture Actionable In a preclinical study, cells from a patient with acute myeloid leukemia harboring an IDH1 mutation were sensitive to treatment with Lynparza (olaparib) in culture, demonstrating decreased colony formation (PMID: 29339439). 29339439
IDH1 mutant acute myeloid leukemia predicted - sensitive Talazoparib Preclinical - Patient cell culture Actionable In a preclinical study, cells from a patient with acute myeloid leukemia harboring an IDH1 mutation were sensitive to treatment with Talzenna (talazoparib) in culture, demonstrating decreased colony formation (PMID: 29339439). 29339439
IDH1 mutant acute myeloid leukemia predicted - sensitive Daunorubicin + Olaparib Preclinical - Patient cell culture Actionable In a preclinical study, the combination therapy of Lynparza (olaparib) and Cerubidine (daunoruibicin) resulted in an additive effect in cells from a patient with acute myeloid leukemia harboring an IDH1 mutation, demonstrating decreased colony formation in culture (PMID: 29339439). 29339439
IDH1 mutant acute myeloid leukemia predicted - sensitive Daunorubicin + Talazoparib Preclinical - Patient cell culture Actionable In a preclinical study, the combination therapy of Talzenna (talazoparib) and Cerubidine (daunoruibicin) resulted in an additive effect in cells from a patient with acute myeloid leukemia harboring an IDH1 mutation, demonstrating decreased colony formation in culture (PMID: 29339439). 29339439
IDH1 mutant cholangiocarcinoma sensitive Ivosidenib FDA approved - Has Companion Diagnostic Actionable In a Phase III (ClarIDHy) trial that supported FDA approval, Tibsovo (ivosidenib) treatment significantly improved median progression-free survival (2.7 vs 1.4 mo, HR=0.37, p<0.001) and prolonged median overall survival (10.8 vs 9.7 mo, HR=0.69, p=0.06) compared to placebo in patients with advanced cholangiocarcinoma harboring IDH1 mutations including R132C/H/L/G/S, resulted in favorable objective response rate (2%, 3/124 vs 0%, 0/61) and stable disease rate (51% vs 28%) (PMID: 32416072; NCT02989857). detail... detail... 32416072
IDH1 mutant low grade glioma predicted - sensitive Vorasidenib Phase I Actionable In a Phase I trial, Voranigo (vorasidenib) treatment resulted in an objective response in 13.6% (3/22, 1 partial response, 2 minor response) and stable disease in 72.7% (16/22) of patients with non-enhancing low-grade glioma harboring mutations in IDH1 (n=20) or IDH2 (n=1), with a median progression-free survival of 36.8 months, and resulted in stable disease as best response in 56.7% (17/30) of patients with enhancing tumors harboring mutations in IDH1 (n=28) or IDH2 (n=2) (PMID: 34078652; NCT02481154). 34078652
IDH1 mutant myeloid neoplasm predicted - sensitive Ivosidenib + Venetoclax Phase Ib/II Actionable In a Phase Ib/II trial, combination treatment with Tibsovo (ivosidenib) and Venclexta (venetoclax) demonstrated safety and efficacy in patients with advanced myeloid malignancies harboring IDH1 mutations, and led to a CRc (complete response (CR) + CR with partial hematologic recovery + CR with incomplete hematologic recovery) rate of 83% (10/12), median event-free survival (EFS) of 11 mo, 12-mo EFS rate of 50%, median overall survival (OS) of 42.1 mo, and 24-mo OS rate of 58% (PMID: 37102976; NCT03471260). 37102976
IDH1 mutant myeloid neoplasm predicted - sensitive Azacitidine + Ivosidenib + Venetoclax Phase Ib/II Actionable In a Phase Ib/II trial, Tibsovo (ivosidenib) in combination with Vidaza (azacitidine) and Venclexta (venetoclax) demonstrated safety and efficacy in patients with IDH1-mutant advanced myeloid malignancies, and led to a CRc (complete response (CR) + CR with partial hematologic recovery + CR with incomplete hematologic recovery) rate of 90% (17/19), 12-mo event-free survival (EFS) rate of 84%, 24-mo overall survival (OS) rate of 75%, and median EFS and OS were not reached (PMID: 37102976; NCT03471260). 37102976
IDH1 mutant cholangiocarcinoma sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines as subsequent therapy (category 1) for cholangiocarcinoma patients harboring IDH1 mutations (NCCN.org). detail...
IDH1 R132X acute myeloid leukemia no benefit BAY1436032 Phase I Actionable In a Phase I trial, treatment with BAY1436032 in acute myeloid leukemia patients harboring an IDH1 R132X mutation demonstrated safety and resulted in an overall response rate of 15% (4/27), including one complete remission, one partial remission, and morphologic leukemia-free state in two patients, stable disease in 67% (18/27), and a median overall survival of 6.6 months, however, due to low response rates for all doses, further clinical development was not supported (PMID: 32733012; NCT03127735). 32733012
IDH1 mutant myelofibrosis not applicable N/A Guideline Diagnostic IDH1 mutations aid in the diagnosis of primary myelofibrosis in the absence of JAK2, CALR, or MPL mutations (NCCN.org). detail...
IDH1 act mut chondrosarcoma sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines as systemic therapy for patients with conventional or dedifferentiated chondrosarcoma harboring an IDH1 activating mutation (NCCN.org). detail...
IDH1 R132X low grade glioma predicted - sensitive Ivosidenib Phase I Actionable In a Phase I trial, low grade glioma patients with an IDH1 mutation (n=66; R132H=57, R132C/G/S=1 each, R132X=5) treated with Tibsovo (ivosidenib) demonstrated an overall response rate of 2.9% (1/35, 1 partial response) and stable disease in 85.7% (30/35) of patients with a non-enhancing glioma versus no responses and stable disease in 45.2% (14/31) of patients with an enhancing glioma, and led to a median progression-free survival of 13.6 months and 1.4 months, respectively (PMID: 32530764; NCT02073994). 32530764
IDH1 mutant high grade glioma no benefit Durvalumab + Olaparib Phase II Actionable In a Phase II trial, combination therapy with Lynparza (olaparib) and Imfinzi (durvalumab) was well tolerated, but lacked antitumor activity in glioma patients with IDH1 (8/9) or IDH2 (1/9) mutations, and led to an objective response in one patient with glioblastoma, stable disease as per RECIST but clinical deterioration in two patients, and progressive disease in 6/9 (67%) patients, with a median progression free survival of 2.5 mo (J Clin Oncol 39, no. 15_suppl (May 20, 2021) abstr e14026); NCT03991832). detail...
IDH1 mutant acute myeloid leukemia sensitive Azacitidine + Ivosidenib FDA approved - Has Companion Diagnostic Actionable In a Phase III trial (AGILE) that supported FDA approval, Tibsovo (ivosidenib) and Vidaza (azacitidine) combination therapy significantly improved event-free survival (HR 0.33, p=0.002) and median overall survival (24.0 vs 7.9 mo, HR 0.44, p=0.001) compared to Vidaza (azacitidine) plus placebo in patients with newly diagnosed acute myeloid leukemia harboring IDH1 mutations including R132C/H/G/L/S (PMID: 35443108; NCT03173248). detail... 35443108 detail...
IDH1 act mut intrahepatic cholangiocarcinoma predicted - sensitive Olutasidenib Phase Ib/II Actionable In a Phase I/II trial, Rezlidhia (olutasidenib) treatment demonstrated acceptable safety and preliminary clinical activity in patients with IDH1-mutant intrahepatic cholangiocarcinoma, and led to stable disease in 23% (6/23) of the evaluable patients (J Clin Oncol 38, no. 5_suppl (May 28, 2020); NCT03684811). detail...
IDH1 act mut chondrosarcoma predicted - sensitive Olutasidenib Phase Ib/II Actionable In a Phase I/II trial, Rezlidhia (olutasidenib) treatment demonstrated acceptable safety and preliminary clinical activity in patients with IDH1-mutant intrahepatic cholangiocarcinoma, and led to stable disease in 31% (4/13) of evaluable patients (J Clin Oncol 38, no. 5_suppl (May 28, 2020); NCT03684811). detail...
IDH1 mutant acute myeloid leukemia sensitive Azacitidine + Ivosidenib Guideline Actionable Tibsovo (ivosidenib) in combination with Vidaza (azacitidine) is included in guidelines for patients with relapsed or refractory acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant acute myeloid leukemia sensitive Olutasidenib FDA approved - Has Companion Diagnostic Actionable In a Phase II trial (Study 2102-HEM-101) that supported FDA approval, Rezlidhia (olutasidenib) treatment resulted in an objective response rate of 46% (57/123, 37 complete remission (CR), 4 CR with partial hematologic recovery, 14 CR with incomplete recovery, 1 morphologic leukemia-free state, 1 partial response) in patients with relapsed/refractory acute myeloid leukemia harboring a susceptible IDH1 mutation (R132C/G/H/L/S) (J Clin Oncol 39, no. 15_suppl (May 20, 2021) 7006; NCT02719574). detail... detail... detail...
IDH1 mutant high grade glioma sensitive Olaparib + Radiotherapy Preclinical - Cell culture Actionable In a preclinical study, treatment with Lynparza (olaparib) enhanced the sensitivity of a glioma cell line harboring an IDH1 mutation to radiation therapy in culture, resulting in decreased survival compared to radiation therapy alone (PMID: 32494639). 32494639
IDH1 mutant high grade glioma sensitive Radiotherapy + Veliparib Preclinical - Cell line xenograft Actionable In a preclinical study, treatment with Veliparib (ABT-888) enhanced the sensitivity of a glioma cell line xenograft model harboring an IDH1 mutation to radiation therapy, resulting in increased survival compared to radiation therapy alone, with a median overall survival of 21 days vs 14 days, respectively (PMID: 32494639). 32494639
IDH1 mutant acute myeloid leukemia sensitive Olutasidenib Guideline Actionable Rezlidhia (olutasidenib) is included in guidelines for patients with relapsed or refractory acute myeloid leukemia harboring an IDH1 mutation (NCCN.org). detail...
IDH1 mutant cholangiocarcinoma sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines as second or later-line therapy for patients with cholangiocarcinoma harboring IDH1 mutations (PMID: 36372281; ESMO.org). detail... 36372281
IDH1 R132X acute myeloid leukemia predicted - sensitive LY3410738 Phase I Actionable In a Phase I trial, LY3410738 demonstrated safety and inhibited D-2-HG in patients with relapsed or refractory IDH-mutant acute myeloid leukemia, resulting in a composite complete remission (CRc) rate of 38% (12/32, 5 CR, 2 CRh, 5 CRi/CRp) in IDH inhibitor-naive patients harbor IDH1 R132 mutations (Cancer Res (2023) 83 (8_Supplement): CT026; NCT04603001). detail...
IDH1 act mut cholangiocarcinoma predicted - sensitive LY3410738 Phase I Actionable In a Phase I trial, LY3410738 treatment demonstrated safety and resulted in D-2-HG inhibition in patients with IDH-mutant advanced solid tumors, and led to partial response in 1 and stable disease in 22 of 42 patients with relapsed or refractory cholangiocarcinoma and partial response in 3 and stable disease in 9 of 22 patients with glioma (Cancer Res (2023) 83 (8_Supplement): CT098; NCT04521686). detail...
IDH1 act mut brain glioma predicted - sensitive LY3410738 Phase I Actionable In a Phase I trial, LY3410738 treatment demonstrated safety and resulted in D-2-HG inhibition in patients with IDH-mutant advanced solid tumors, and led to partial response in 1 and stable disease in 22 of 42 patients with relapsed or refractory cholangiocarcinoma and partial response in 3 and stable disease in 9 of 22 patients with glioma (Cancer Res (2023) 83 (8_Supplement): CT098; NCT04521686). detail...
IDH1 R132X brain glioma predicted - sensitive Olutasidenib Phase Ib/II Actionable In a Phase Ib/II trial, Rezlidhia (olutasidenib) treatment was well tolerated and did not meet the primary endpoint, with an objective response rate of 8% (2/25, both partial responses) but led to a disease control rate of 48% (12/25) in patients with glioma harboring IDH1 R132H (n=22), R132L (n=2), R132C (n=1), or R132G (n=1) (PMID: 35639513; NCT04380012). 35639513
IDH1 mutant cholangiocarcinoma no benefit Durvalumab + Olaparib Phase II Actionable In a Phase II trial, combination treatment with Lynparza (olaparib) and Imfinzi (durvalumab) was well tolerated but failed to demonstrate efficacy in patients with advanced cholangiocarcinoma harboring mutations in IDH1 or IDH2, with no objective responses, a disease control rate of 30% (3/10, 3 stable disease), and a median progression-free survival of 1.97 months (J Clin Oncol 41, 2023 (suppl 16; abstr 4099); NCT03991832). detail...
IDH1 mutant myelodysplastic syndrome sensitive Ivosidenib FDA approved - Has Companion Diagnostic Actionable In a Phase I trial that supported FDA approval, Tibsovo (ivosidenib) was tolerated and resulted in a complete response (CR) in 44% (7/16), partial response (PR) in 6% (1/16), and marrow CR in 31% (5/16) of patients with relapsed or refractory myelodysplastic syndrome harboring a susceptible IDH1 mutation (R132C/G/H/L/S) as detected by an FDA-approved test, with a hematologic improvement in >/=1 lineages achieved by 69% (11/16) of patients (J Clin Oncol 40, no. 16_suppl (June 01, 2022) 7053; NCT02074839). detail... detail... detail...
IDH1 mutant myelodysplastic syndrome sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines for patients with myelodysplastic syndrome harboring an IDH1 mutation who progressed or failed to respond to prior treatment (NCCN.org). detail...
IDH1 act mut oligodendroglioma sensitive Vorasidenib Guideline Actionable Voranigo (vorasidenib) is included in guidelines as adjuvant therapy for patients with WHO grade 2 1p19q codeleted oligodendroglioma harboring an IDH1 activating mutation (NCCN.org). detail...
IDH1 act mut astrocytoma, IDH-mutant, grade 2 sensitive Vorasidenib Guideline Actionable Voranigo (vorasidenib) is included in guidelines as adjuvant therapy for patients with WHO grade 2 astrocytoma harboring an IDH1 activating mutation (NCCN.org). detail...
IDH1 act mut oligodendroglioma sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines for patients with oligodendroglioma harboring an IDH1 activating mutation (NCCN.org). detail...
IDH1 act mut malignant astrocytoma sensitive Ivosidenib Guideline Actionable Tibsovo (ivosidenib) is included in guidelines for patients with astrocytoma harboring an IDH1 activating mutation (NCCN.org). detail...
IDH1 act mut low grade glioma predicted - sensitive Ivosidenib Clinical Study Actionable In a retrospective analysis, Tibsovo (ivosidenib) treatment was well tolerated in patients with glioma harboring an IDH1 mutation, and resulted in a partial response in 13.6% (3/22), minor response in 22.7% (5/22), and stable disease in 54.5% (12/22) of patients with nonenhancing disease, and stable disease in 62.5% (5/8) of patients with enhancing disease (PMID: 38496920). 38496920
IDH1 act mut high grade glioma predicted - sensitive Ivosidenib Clinical Study Actionable In a retrospective analysis, Tibsovo (ivosidenib) treatment was well tolerated in patients with glioma harboring an IDH1 mutation, and resulted in a partial response in 13.6% (3/22), minor response in 22.7% (5/22), and stable disease in 54.5% (12/22) of patients with nonenhancing disease, and stable disease in 62.5% (5/8) of patients with enhancing disease (PMID: 38496920). 38496920
IDH1 R132X oligodendroglioma sensitive Vorasidenib FDA approved Actionable In a Phase III trial l (INDIGO) that supported FDA approval, Voranigo (vorasidenib) treatment significantly improved progression-free survival (27.7 vs 11.1 months, HR 0.39, p<0.001) and time to next intervention (HR 0.26, p<0.001) compared to placebo in adult and pediatric patients 12 years and older with WHO grade 2 oligodendroglioma or astrocytoma harboring susceptible IDH1 or IDH2 mutations, including IDH1 R132H/C/G/L/S (PMID: 37272516; NCT04164901). 37272516 detail...
IDH1 R132X astrocytoma, IDH-mutant, grade 2 sensitive Vorasidenib FDA approved Actionable In a Phase III trial l (INDIGO) that supported FDA approval, Voranigo (vorasidenib) treatment significantly improved progression-free survival (27.7 vs 11.1 months, HR 0.39, p<0.001) and time to next intervention (HR 0.26, p<0.001) compared to placebo in adult and pediatric patients 12 years and older with WHO grade 2 astrocytoma or oligodendroglioma harboring susceptible IDH1 or IDH2 mutations, including IDH1 R132H/C/G/L/S (PMID: 37272516; NCT04164901). detail... 37272516