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Pronunciation | /ˌaɪvoʊˈsɪdənɪb/ EYE-voh-SID-ə-nib |
Trade names | Tibsovo |
Other names | AG-120 |
AHFS/Drugs.com | Monograph |
MedlinePlus | a618042 |
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Routes of administration | By mouth |
Drug class | Antineoplastic agent |
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Formula | C28H22ClF3N6O3 |
Molar mass | 582.97 g·mol−1 |
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Ivosidenib, sold under the brand name Tibsovo, is an anti-cancer medication for the treatment of acute myeloid leukemia (AML) and cholangiocarcinoma. [4] It is a small molecule inhibitor of isocitrate dehydrogenase-1 (IDH1), which is mutated in several forms of cancer. Ivosidenib is an isocitrate dehydrogenase-1 inhibitor that works by decreasing abnormal production of the oncometabolite 2-hydroxyglutarate (2-HG), leading to differentiation of malignant cells. [8]
Ivosidenib was approved for medical use in the United States in July 2018, [8] [9] [10] [11] and in the European Union in May 2023. [6] [12] The US Food and Drug Administration (FDA) considers it to be a first-in-class medication. [13]
Ivosidenib is indicated for people with acute myeloid leukemia and locally advanced or metastatic cholangiocarcinoma. [4] [14] [15]
In ivosidenib-treated patients, reported adverse effects have been febrile neutropenia, alanine aminotransferase increased, aspartate aminotransferase increased, colitis, hypertension, maculopapular rash. However, Ivosidenib was taken in conjunction with standard AML induction treatment, and side effects can not be directly related to the drug. [16]
The US Food and Drug Administration (FDA) awarded orphan drug designations for acute myeloid leukemia and for cholangiocarcinoma. [17] [18] [19] [20]
On 23 February 2023, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product Tibsovo, intended for the treatment of adults with newly diagnosed acute myeloid leukemia and for the treatment of adults with locally advanced or metastatic cholangiocarcinoma. [21] The applicant for this medicinal product is Les Laboratoires Servier. [21] Tibsovo was approved for medical use in the European Union in May 2023. [6]
In tumors from people diagnosed with glioma, acute myeloid leukemia (AML), cholangiocarcinoma, and chondrosarcoma, somatic mutations in the conserved active site of isocitrate dehydrogenase (IDH) 1 and 2 are observed. With these new mutations, these enzymes exhibit new, neomorphic behavior, which results in the reduction of α-ketoglutarate to the oncometabolite R-2-hydroxyglutarate. The new molecule competitively inhibits α-ketoglutarate–dependent enzymes, ultimately leading to epigenetic alterations and impaired hematopoietic differentiation. Mutations in the IDH1 enzyme mutations occur in approximately 6 to 10% of the patients with AML, and IDH2 mutations occur in approximately 9 to 13% of those with AML, with unknown statistics on other conditions listed. [22]
The drug is also believed to be a slow-binding inhibitor of the IDH1-WT homodimer. Ivosidenib showed uncompetitive inhibition to the NADP cofactor, showing a hyperbolic curve for the rate constant of inhibition relative to concentration. Ivosidenib also showed no time-dependence in IC50 between 1 and 16 hours of incubation for either homodimer. [23]
Azacitidine, sold under the brand name Vidaza among others, is a medication used for the treatment of myelodysplastic syndrome, myeloid leukemia, and juvenile myelomonocytic leukemia. It is a chemical analog of cytidine, a nucleoside in DNA and RNA. Azacitidine and its deoxy derivative, decitabine were first synthesized in Czechoslovakia as potential chemotherapeutic agents for cancer.
Gemtuzumab ozogamicin, sold under the brand name Mylotarg, is an antibody-drug conjugate that is used to treat acute myeloid leukemia.
Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal cells that build up in the bone marrow and blood and interfere with normal blood cell production. Symptoms may include feeling tired, shortness of breath, easy bruising and bleeding, and increased risk of infection. Occasionally, spread may occur to the brain, skin, or gums. As an acute leukemia, AML progresses rapidly, and is typically fatal within weeks or months if left untreated.
Dasatinib, sold under the brand name Sprycel among others, is a targeted therapy medication used to treat certain cases of chronic myelogenous leukemia (CML) and acute lymphoblastic leukemia (ALL). Specifically it is used to treat cases that are Philadelphia chromosome-positive (Ph+). It is taken by mouth.
Cluster of differentiation antigen 135 (CD135) also known as fms like tyrosine kinase 3, receptor-type tyrosine-protein kinase FLT3, or fetal liver kinase-2 (Flk2) is a protein that in humans is encoded by the FLT3 gene. FLT3 is a cytokine receptor which belongs to the receptor tyrosine kinase class III. CD135 is the receptor for the cytokine Flt3 ligand (FLT3L).
Quizartinib, sold under the brand name Vanflyta, is an anti-cancer medication used for the treatment of acute myeloid leukemia.
Midostaurin, sold under the brand name Rydapt & Tauritmo both by Novartis, is a multi-targeted protein kinase inhibitor that has been investigated for the treatment of acute myeloid leukemia (AML), myelodysplastic syndrome (MDS) and advanced systemic mastocytosis. It is a semi-synthetic derivative of staurosporine, an alkaloid from the bacterium Streptomyces staurosporeus.
Ponatinib, sold under the brand name Iclusig, is a medication developed by ARIAD Pharmaceuticals for the treatment of chronic myeloid leukemia (CML) and Philadelphia chromosome–positive (Ph+) acute lymphoblastic leukemia (ALL). It is a multi-targeted tyrosine-kinase inhibitor. Some forms of CML, those that have the T315I mutation, are resistant to current therapies such as imatinib. Ponatinib has been designed to be effective against these types of tumors.
Fedratinib, sold under the brand name Inrebic, is an anti-cancer medication used to treat myeloproliferative diseases including myelofibrosis. It is used in the form of fedratinib hydrochloride capsules that are taken by mouth. It is a semi-selective inhibitor of Janus kinase 2 (JAK-2). It was approved by the FDA on 16 August 2019.
Isocitrate dehydrogenase 1 (NADP+), soluble is an enzyme that in humans is encoded by the IDH1 gene on chromosome 2. Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate. These enzymes belong to two distinct subclasses, one of which uses NAD+ as the electron acceptor and the other NADP+. Five isocitrate dehydrogenases have been reported: three NAD+-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP+-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. Each NADP+-dependent isozyme is a homodimer. The protein encoded by this gene is the NADP+-dependent isocitrate dehydrogenase found in the cytoplasm and peroxisomes. It contains the PTS-1 peroxisomal targeting signal sequence. The presence of this enzyme in peroxisomes suggests roles in the regeneration of NADPH for intraperoxisomal reductions, such as the conversion of 2,4-dienoyl-CoAs to 3-enoyl-CoAs, as well as in peroxisomal reactions that consume 2-oxoglutarate, namely the alpha-hydroxylation of phytanic acid. The cytoplasmic enzyme serves a significant role in cytoplasmic NADPH production. Alternatively spliced transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Sep 2013]
Venetoclax, sold under the brand names Venclexta and Venclyxto, is a medication used to treat adults with chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), or acute myeloid leukemia (AML).
Duvelisib, sold under the brand name Copiktra, is a medication used to treat chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), and follicular lymphoma after other treatments have failed. It is taken by mouth. It is a PI3 kinase inhibitor.
Glasdegib, sold under the brand name Daurismo, is a medication for the treatment of newly-diagnosed acute myeloid leukemia (AML) in adults older than 75 years or those who have comorbidities that preclude use of intensive induction chemotherapy. It is taken by mouth and is used in combination with low-dose cytarabine.
Enasidenib is a medication used to treat relapsed or refractory acute myeloid leukemia in people with specific mutations of the isocitrate dehydrogenase 2 (IDH2) gene, determined by an FDA-approved IDH2 companion diagnostic test. It is an inhibitor of IDH2. It was developed by Agios Pharmaceuticals and is licensed to Celgene for further development.
Gilteritinib, sold under the brand name Xospata, is an anti-cancer drug. It acts as an inhibitor of FLT3, hence it is a tyrosine kinase inhibitor.
Daunorubicin/cytarabine is a fixed-dose combination medication used for the treatment of acute myeloid leukemia. It contains the liposomal bound daunorubicin, an anthracycline topoisomerase inhibitor, and cytarabine, a nucleoside metabolic inhibitor.
Avapritinib, sold under the brand name Ayvakit among others, is a medication used for the treatment of advanced systemic mastocytosis and for the treatment of tumors due to one specific rare mutation: it is specifically intended for adults with unresectable or metastatic gastrointestinal stromal tumor (GIST) that harbor a platelet-derived growth factor receptor alpha (PDGFRA) exon 18 mutation. Avapritinib is a kinase inhibitor.
Pemigatinib, sold under the brand name Pemazyre, is an anti-cancer medication used for the treatment of bile duct cancer (cholangiocarcinoma). Pemigatinib works by blocking FGFR2 in tumor cells to prevent them from growing and spreading.
Asciminib, sold under the brand name Scemblix, is a medication used to treat Philadelphia chromosome-positive chronic myeloid leukemia. Asciminib is a protein kinase inhibitor.
Olutasidenib, sold under the brand name Rezlidhia, is an anticancer medication used to treat relapsed or refractory acute myeloid leukemia with a susceptible IDH1 mutation. Olutasidenib is an isocitrate dehydrogenase-1 (IDH1) inhibitor. It is taken by mouth.