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DRUG CLASS:

IDH1 inhibitor

1d
New P3 trial
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cytarabine • azacitidine • HMPL-306
3d
Molecular biology of cholangiocarcinoma and its implications for targeted therapy in patient management. (PubMed, Eur J Surg Oncol)
Currently, 3 targeted therapies are approved for use in CCA; Ivosidenib in patients with IDH1 mutations and Infigratinib/Pemigatinib in those with FGFR2 fusions. This is important, as it is thought up to 40 % of CCA patients harbour a potentially actionable mutation. In this review we provide an overview of the molecular pathogenesis of CCA and highlight currently available and potential future targeted treatments.
Journal
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FGFR2 (Fibroblast growth factor receptor 2) • IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation • FGFR2 mutation • FGFR2 fusion
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Truseltiq (infigratinib) • Pemazyre (pemigatinib) • Tibsovo (ivosidenib)
8d
Preparation and Evaluation of Chitosan Coated PLGA Nanoparticles Encapsulating Ivosidenib with Enhanced Cytotoxicity Against Human Liver Cancer Cells. (PubMed, Int J Nanomedicine)
In HepG2 cells, the expressions of caspase-3, caspase-9, and p53 were significantly (p < 0.05) elevated. Overall, these findings suggest that chitosan coating of IVO-PLGA-NPs improves the delivery and efficacy of ivosidenib in liver cancer treatment.
Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • CASP3 (Caspase 3) • CASP9 (Caspase 9)
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TP53 expression
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Tibsovo (ivosidenib)
8d
Final phase I substudy results of ivosidenib in patients with mutant IDH1 relapsed/refractory myelodysplastic syndrome. (PubMed, Blood Adv)
One (5.3%) patient proceeded to a hematopoietic stem cell transplant by data cut-off. In conclusion, ivosidenib is clinically active, with durable remissions and a manageable safety profile observed in patients with mIDH1 R/R MDS.
P1 data • Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Tibsovo (ivosidenib)
8d
IDIOME-STUDY: IDH1 (AG 120) Inhibitor in Patients With IDH1 Mutated Myelodysplastic Syndrome (clinicaltrials.gov)
P2, N=68, Active, not recruiting, Groupe Francophone des Myelodysplasies | Recruiting --> Active, not recruiting
Enrollment closed
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Tibsovo (ivosidenib)
21d
Mutant IDH inhibitors induce lineage differentiation in IDH-mutant oligodendroglioma. (PubMed, Cancer Cell)
Furthermore, mutations in NOTCH1 are associated with decreased astrocytic differentiation and may limit the response to IDHi. Our study highlights the differentiating potential of IDHi on the cellular hierarchies that drive oligodendrogliomas and suggests a genetic modifier that may improve patient stratification.
Journal
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NOTCH1 (Notch 1)
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NOTCH1 mutation
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Tibsovo (ivosidenib) • vorasidenib (S95032)
22d
AGILE: Study of AG-120 (Ivosidenib) vs. Placebo in Combination With Azacitidine in Participants With Previously Untreated Acute Myeloid Leukemia With an IDH1 Mutation (clinicaltrials.gov)
P3, N=146, Active, not recruiting, Institut de Recherches Internationales Servier | Trial completion date: Jun 2024 --> Jun 2026
Trial completion date • Combination therapy
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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azacitidine • Tibsovo (ivosidenib)
30d
Identification of mIDH1 R132C/S280F Inhibitors from Natural Products by Integrated Molecular Docking, Pharmacophore Modeling and Molecular Dynamics Simulations. (PubMed, Pharmaceuticals (Basel))
The U.S. Food and Drug Administration (FDA) approved Ivosidenib, a molecular entity that targets IDH1 with R132 mutations, as a promising therapeutic option for AML with mIDH1 in 2018...RMSD showed that the four dynamics simulation systems remained stable, and RMSF and Rg showed that the screened molecules have similar local flexibility and tightness to the positive drug. Finally, the lowest energy conformation, hydrogen bond analysis, and free energy decomposition results indicate that in the entire system the key residues LEU120, TRP124, TRP267, and VAL281 mainly contribute van der Waals forces to the interaction, while the key residues VAL276 and CYS379 mainly contribute electrostatic forces.
Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation • IDH1 R132C • IDH1 R132 • IDH1 R132C + IDH1 S280F
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Tibsovo (ivosidenib)
1m
Olutasidenib in post-venetoclax patients with mutant isocitrate dehydrogenase 1 (mIDH1) acute myeloid leukemia (AML). (PubMed, Leuk Lymphoma)
Safety was consistent with the overall profile of olutasidenib. Olutasidenib offers a valuable treatment option for patients with mIDH1 AML previously treated with venetoclax.
Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Venclexta (venetoclax) • Rezlidhia (olutasidenib)
1m
AB-218-IIT-201: A Study of AB-218 in Patients With IDH1 Mutated Low Grade Glioma (clinicaltrials.gov)
P1, N=10, Active, not recruiting, Melbourne Health | Recruiting --> Active, not recruiting
Enrollment closed
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erbumine (LY3295668) • safusidenib (AB-218)
1m
Electrochemical Nanoreactor Provides a Comprehensive View of Isocitrate Dehydrogenase Cancer-drug Kinetics. (PubMed, Angew Chem Weinheim Bergstr Ger)
Ivosidenib, used to treat acute myeloid leukemia, acts on a common cancer-linked variant of isocitrate dehydrogenase 1 (IDH1 R132H) inhibiting its "gain-of-function" activity-the undesired reduction of 2-oxoglutarate (2OG) to the oncometabolite 2-hydroxyglutarate (2HG)...Such details, essential for understanding inhibition mechanisms, are not readily resolved in conventional steady-state kinetics or by techniques that rely only on measuring binding. Extending the new method and analytical framework presented here to other enzyme systems will be straightforward and should rapidly reveal insight that is difficult or often impossible to obtain using other methods.
Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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IDH1 R132H • IDH1 R132
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Tibsovo (ivosidenib)
1m
Study of Orally Administered AG-881 in Patients With Advanced Solid Tumors, Including Gliomas, With an IDH1 and/or IDH2 Mutation (clinicaltrials.gov)
P1, N=95, Active, not recruiting, Institut de Recherches Internationales Servier | Trial completion date: Dec 2023 --> Mar 2024
Trial completion date • Metastases
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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IDH1 mutation • IDH2 mutation
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vorasidenib (S95032)
1m
Use, access, and initial outcomes of off-label ivosidenib in patients with IDH1 mutant glioma. (PubMed, Neurooncol Pract)
Most patients (66.7%, n = 20) received drugs via the patient assistance program, with insurance initially covering a third of patients and with ongoing use, later covering 60%. Targeted therapies like IVO are options for mIDH glioma patients and can provide positive oncologic and neurological outcomes.
Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Tibsovo (ivosidenib)
1m
Enrollment closed • Enrollment change • Metastases
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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Tibsovo (ivosidenib)
1m
CPX-351 and Ivosidenib for the Treatment of IDH1 Mutated Acute Myeloid Leukemia or High-Risk Myelodysplastic Syndrome (clinicaltrials.gov)
P2, N=30, Recruiting, M.D. Anderson Cancer Center | Trial completion date: Jun 2024 --> Jun 2025 | Trial primary completion date: Jun 2024 --> Jun 2025
Trial completion date • Trial primary completion date • Combination therapy
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 R132
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Tibsovo (ivosidenib) • Vyxeos (cytarabine/daunorubicin liposomal formulation)
2ms
Clinical • Retrospective data • Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Tibsovo (ivosidenib)
2ms
The Idyllaâ„¢ IDH1-2 Mutation Assay Kit: A tool for mutation detection in IDH1 and IDH2 genes (AACR 2024)
With advancements in molecular diagnostics and precision therapy, IDH inhibitors such as ivosidenib, vorasidenib and enasidenib are now mainstay in management of patients with a susceptible mutation. The Idyllaâ„¢ IDH1-2 Mutation Assay Kit (RUO) is a fully automated qPCR assay for the qualitative detection of 15 common mutations in IDH1 (R132C/H/G/S/L) and IDH2 (R140Q/L/G/W, R172K/M/G/W/S) at codon level. The Idyllaâ„¢ IDH1-2 Mutation Assay Kit demonstrates a high concordance with established reference methods across a range of different specimen types.
KIT (KIT proto-oncogene, receptor tyrosine kinase) • IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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IDH1 mutation • IDH2 mutation • KIT mutation • IDH2 R172K • IDH1 R132C • IDH1 R132 • IDH2 R140Q • IDH2 R140 • IDH2 R172
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Idylla™ IDH1-2 Mutation Assay
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Tibsovo (ivosidenib) • Idhifa (enasidenib) • vorasidenib (S95032)
2ms
Phase classification • Combination therapy
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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IDH2 mutation
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Venclexta (venetoclax) • Tibsovo (ivosidenib) • Idhifa (enasidenib) • Inqovi (decitabine/cedazuridine)
2ms
New P1 trial • Metastases
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Jakafi (ruxolitinib) • Tibsovo (ivosidenib)
2ms
Study of AG-120 and AG-881 in Subjects With Low Grade Glioma (clinicaltrials.gov)
P1, N=49, Active, not recruiting, Institut de Recherches Internationales Servier | Trial completion date: May 2024 --> May 2025
Trial completion date
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • ATRX (ATRX Chromatin Remodeler)
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ATRX mutation • IDH1 R132H • IDH1 R132
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Tibsovo (ivosidenib) • vorasidenib (S95032)
2ms
A Study of IDH305 in Patients With Advanced Malignancies That Harbor IDH1R132 Mutations (clinicaltrials.gov)
P1, N=166, Active, not recruiting, Novartis Pharmaceuticals | Trial completion date: Oct 2024 --> Oct 2025
Trial completion date • Metastases
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IDH1 R132
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IDH305
2ms
A Promising Breakthrough: The Potential of VORASIDENIB in the Treatment of Low-grade Glioma. (PubMed, Curr Mol Pharmacol)
orasidenib significantly advances LGG treatment, targeting a prevalent mutation and slowing tumor growth. Promising preclinical and clinical evidence and manageable side effects suggest its potential impact on LGG management. However, more research, including large trials, is needed to confirm its efficacy and role in treatment.
Journal • IO biomarker
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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IDH1 mutation
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vorasidenib (S95032)
2ms
Trial completion • Combination therapy
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 R132 • Chr t(15;17)
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cytarabine • azacitidine • Rezlidhia (olutasidenib)
2ms
New P1/2 trial
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Venclexta (venetoclax) • Tibsovo (ivosidenib)
2ms
A Study of HMPL-306 in Advanced Hematological Malignancies With mIDH (clinicaltrials.gov)
P1, N=75, Recruiting, Hutchmed | Trial completion date: Sep 2023 --> Jun 2025 | Trial primary completion date: Sep 2023 --> Sep 2024
Trial completion date • Trial primary completion date • Metastases
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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IDH1 R132H • IDH2 R172K • IDH1 R132C • IDH1 R132 • IDH2 R140Q • IDH2 R172
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HMPL-306
2ms
Study of Orally Administered AG-120 in Subjects With Advanced Solid Tumors, Including Glioma, With an IDH1 Mutation (clinicaltrials.gov)
P1, N=174, Completed, Institut de Recherches Internationales Servier | Active, not recruiting --> Completed
Trial completion
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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Tibsovo (ivosidenib)
3ms
Ivosidenib significantly reduces triazole levels in patients with acute myeloid leukemia and myelodysplastic syndrome. (PubMed, Cancer)
This study demonstrated that concomitant ivosidenib significantly reduced posaconazole and voriconazole levels. Voriconazole should be avoided, empiric high-dose posaconazole (>300 mg/day) may be considered, and therapeutic drug monitoring is recommended in all patients receiving concomitant ivosidenib.
Journal
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CYP2C9 (Cytochrome P450 Family 2 Subfamily C Member 9) • CYP3A4 (Cytochrome P450, family 3, subfamily A, polypeptide 4)
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Venclexta (venetoclax) • Tibsovo (ivosidenib)
3ms
Trial completion
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vorasidenib (S95032)
3ms
A Study of HMPL-306 in Advanced Solid Tumors With IDH Mutations (clinicaltrials.gov)
P1, N=90, Active, not recruiting, Hutchmed | Recruiting --> Active, not recruiting
Enrollment closed
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HMPL-306
3ms
Pharmacokinetics/pharmacodynamics of ivosidenib in advanced IDH1-mutant cholangiocarcinoma: findings from the phase III ClarIDHy study. (PubMed, Cancer Chemother Pharmacol)
Once-daily ivosidenib 500 mg has a favorable PK/PD profile, attesting the 2-HG reduction mechanism of action and, thus, positive outcomes in treated patients with advanced mIDH1 cholangiocarcinoma.
P3 data • PK/PD data • Journal • Metastases
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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Tibsovo (ivosidenib)
3ms
Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2)
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vorasidenib (S95032)
3ms
A Study of TQB3454 Tablets in Patients With Blood Tumors (clinicaltrials.gov)
P1/2, N=80, Recruiting, Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
New P1/2 trial
4ms
CONFIDHENCE: Ivosidenib (TIBSOVO®) Combined With Azacitidine According to Current SmPC (clinicaltrials.gov)
P=N/A, N=100, Recruiting, iOMEDICO AG | Not yet recruiting --> Recruiting
Enrollment open • Combination therapy
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azacitidine • Tibsovo (ivosidenib)
4ms
Enrollment closed • Metastases
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Tibsovo (ivosidenib)
4ms
Trial completion date • Trial primary completion date • Combination therapy • Metastases
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 R132C • IDH1 R132
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Opdivo (nivolumab) • Yervoy (ipilimumab) • Tibsovo (ivosidenib)
4ms
A Clinical Trial of TQB3454 Tablets in Healthy Adult Subjects (clinicaltrials.gov)
P1, N=40, Not yet recruiting, Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Trial completion date • Trial initiation date • Trial primary completion date
4ms
Trial completion date • Trial primary completion date • Combination therapy
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 R132 • Chr t(15;17)
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cytarabine • azacitidine • Rezlidhia (olutasidenib)
4ms
New trial • Combination therapy
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azacitidine • Tibsovo (ivosidenib)
4ms
New P1 trial
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LY3410738
4ms
New P1 trial
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LY3410738
4ms
A Study of DS-1001b in Patients With Chemotherapy- and Radiotherapy-Naive IDH1 Mutated WHO Grade II Glioma (clinicaltrials.gov)
P2, N=25, Active, not recruiting, Daiichi Sankyo Co., Ltd. | Trial primary completion date: Sep 2023 --> Mar 2023
Trial primary completion date
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation • IDH1 R132
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safusidenib (AB-218)
5ms
IDH1 Inhibitor AB-218 in Patients With Advanced IDH1 Mutant Cholangiocarcinoma and Other Solid Tumor (clinicaltrials.gov)
P1, N=63, Recruiting, AnHeart Therapeutics Inc. | Not yet recruiting --> Recruiting
Enrollment open
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1)
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IDH1 mutation
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safusidenib (AB-218)