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Midostaurin

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https://www.readbyqxmd.com/read/29343975/spotlight-on-midostaurin-in-the-treatment-of-flt3-mutated-acute-myeloid-leukemia-and-systemic-mastocytosis-design-development-and-potential-place-in-therapy
#1
REVIEW
Ellen Weisberg, Martin Sattler, Paul W Manley, James D Griffin
The Fms-like tyrosine kinase-3 (FLT3; fetal liver kinase-2; human stem cell tyrosine kinase-1; CD135) is a class III receptor tyrosine kinase that is normally involved in regulating the proliferation, differentiation, and survival of both hematopoietic cells and dendritic cells. Mutations leading it to be constitutively activated make it an oncogenic driver in ~30% of acute myeloid leukemia (AML) patients where it is associated with poor prognosis. The prevalence of oncogenic FLT3 and the dependency on its constitutively activated kinase activity for leukemia growth make this protein an attractive target for therapeutic intervention...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29339551/inhibition-of-flt3-and-pim-kinases-by-ec-70124-exerts-potent-activity-in-preclinical-models-of-acute-myeloid-leukemia
#2
Noelia Puente-Moncada, Paula Costales, Isaac Antolín, Luz Elena Núñez, Patricia Oro, Maria Ana Hermosilla, Jhudit Perez-Escuredo, Nicolas Rios-Lombardia, Ana M Sanchez-Sanchez, Elisa Luño, Carmen Rodriguez, Vanesa Martin, Francisco Moris
Internal tandem duplication (ITD) or tyrosine kinase domain mutations of FLT3 is the most frequent genetic alteration in acute myeloid leukemia (AML) and are associated with poor disease outcome. Despite considerable efforts to develop single-target FLT3 drugs, so far, the most promising clinical response has been achieved using the multikinase inhibitor midostaurin. Here we explore the activity of the indolocarbazole EC-70124, from the same chemical space as midostaurin, in preclinical models of AML, focusing on those bearing FLT3-ITD mutations...
January 16, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29327871/midostaurin-in-flt3-mutated-acute-myeloid-leukemia
#3
Richard M Stone, Richard A Larson, Hartmut Döhner
No abstract text is available yet for this article.
November 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29327870/midostaurin-in-flt3-mutated-acute-myeloid-leukemia
#4
Ranjit K Sahoo, Lalit Kumar
No abstract text is available yet for this article.
November 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29327869/midostaurin-in-flt3-mutated-acute-myeloid-leukemia
#5
A Emre Eskazan
No abstract text is available yet for this article.
November 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29296877/the-role-of-targeted-therapy-in-the-management-of-patients-with-aml
#6
REVIEW
Alexander E Perl
Drug therapy for acute myeloid leukemia (AML) is finally undergoing major changes in 2017. This is due to the US Food and Drug Administration's approval of several new, targeted agents (midostaurin, enasidenib, and gemtuzumab ozogamicin). Paired with the recent approval of a novel liposomal formulation of daunorubicin/cytarabine (CPX-351/Vyxeos), the standard of care is changing rapidly in AML for subgroups. This review will focus on currently approved agents and promising novel agents in development and will highlight controversial areas in targeted treatment...
November 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/29286055/midostaurin-for-the-treatment-of-adult-patients-with-newly-diagnosed-acute-myeloid-leukemia-that-is-flt3-mutation-positive
#7
J S Garcia, M E Percival
Midostaurin is a multitargeted tyrosine kinase inhibitor (TKI) that potently inhibits activated fms-related tyrosine kinase 3 (FLT3) in the nanomolar range and other kinases including platelet-derived growth factor receptors α (PDGFR- α) and β (PDGFR- β), cyclin-dependent kinase, proto-oncogene tyrosine-protein kinase Src, tyrosine-protein kinase Fgr, spleen tyrosine kinase (Syk), KIT proto-oncogene receptor tyrosine kinase and the major vascular endothelial growth factor receptor (VEGFR). Activating mutations in FLT3, which is one of the more common acute myeloid leukemia (AML) mutations, particularly those that result in an FLT3-ITD (internal tandem duplication) mutation, confer poor prognosis and represent a therapeutic target...
October 2017: Drugs of Today
https://www.readbyqxmd.com/read/29277359/soho-state-of-the-art-update-and-next-questions-mpn
#8
REVIEW
Prithviraj Bose, Jason Gotlib, Claire N Harrison, Srdan Verstovsek
The discovery of the activating Janus kinase (JAK)2V617F mutation in 2005 in most patients with the classic Philadelphia chromosome-negative myeloproliferative neoplasms (MPN) spurred intense interest in research into these disorders, culminating in the identification of activating mutations in MPL in 2006 and indels in the gene encoding calreticulin (CALR) in 2013, thus providing additional mechanistic explanations for the universal activation of JAK-signal transducer and activator of transcription (JAK-STAT) observed in these conditions, and the success of the JAK1/2 inhibitor ruxolitinib, which first received regulatory approval in 2011...
January 2018: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29276274/formulary-drug-review-naldemedine
#9
Danial E Baker
Each month, subscribers to The Formulary Monograph Service receive 5 to 6 well-documented monographs on drugs that are newly released or are in late phase 3 trials. The monographs are targeted to Pharmacy & Therapeutics Committees. Subscribers also receive monthly 1-page summary monographs on agents that are useful for agendas and pharmacy/nursing in-services. A comprehensive target drug utilization evaluation/medication use evaluation (DUE/MUE) is also provided each month. With a subscription, the monographs are available online to subscribers...
July 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/29249817/drug-induced-inhibition-of-phosphorylation-of-stat5-overrides-drug-resistance-in-neoplastic-mast-cells
#10
B Peter, S Bibi, G Eisenwort, B Wingelhofer, D Berger, G Stefanzl, K Blatt, H Herrmann, E Hadzijusufovic, G Hoermann, T Hoffmann, J Schwaab, M Jawhar, M Willmann, W R Sperr, J Zuber, K Sotlar, H-P Horny, R Moriggl, A Reiter, M Arock, P Valent
Systemic mastocytosis (SM) is a mast cell (MC) neoplasm with complex pathology and a variable clinical course. In aggressive SM (ASM) and MC leukemia (MCL), responses to conventional drugs are poor and the prognosis is dismal. R763 is a multi-kinase inhibitor that blocks the activity of Aurora-kinase-A/B, ABL1, AKT and FLT3. We examined the effects of R763 on proliferation and survival of neoplastic MC. R763 produced dose-dependent inhibition of proliferation in the human MC lines HMC-1.1 (IC50 5-50 nM), HMC-1...
November 29, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29231051/midostaurin-in-combination-with-standard-chemotherapy-for-treatment-of-newly-diagnosed-fms-like-tyrosine-kinase-3-flt3-mutation-positive-acute-myeloid-leukemia
#11
Miryoung Kim, Sherry Williams
OBJECTIVE: To evaluate the efficacy and safety of midostaurin in combination with standard cytarabine and daunorubicin induction and cytarabine consolidation in newly diagnosed FLT3-mutated acute myeloid leukemia (AML). DATA SOURCE: A literature search of PubMed and MEDLINE (September 2017) was performed using the terms midostaurin, PKC412, FLT3 gene, and acute myeloid leukemia. STUDY SELECTION/DATA EXTRACTION: Clinical trials evaluating the efficacy and safety of midostaurin in combination with standard cytarabine and daunorubicin induction and cytarabine consolidation were reviewed for the treatment of newly diagnosed FLT3-mutated AML...
December 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29222237/the-role-of-targeted-therapy-in-the-management-of-patients-with-aml
#12
REVIEW
Alexander E Perl
Drug therapy for acute myeloid leukemia (AML) is finally undergoing major changes in 2017. This is due to the US Food and Drug Administration's approval of several new, targeted agents (midostaurin, enasidenib, and gemtuzumab ozogamicin). Paired with the recent approval of a novel liposomal formulation of daunorubicin/cytarabine (CPX-351/Vyxeos), the standard of care is changing rapidly in AML for subgroups. This review will focus on currently approved agents and promising novel agents in development and will highlight controversial areas in targeted treatment...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29219065/transactivation-assays-that-identify-indirect-and-direct-activators-of-human-pregnane-x-receptor-pxr-nr1i2-and-constitutive-androstane-receptor-car-nr1i3
#13
Marija Pinne, Elsa Ponce, Judy L Raucy
BACKGROUND: Nuclear receptors (NRs), including PXR and CAR, are presumed to be ligand-dependent transcription factors, but ligand binding is not an absolute requirement for activation. Indeed, many compounds activate PXR and CAR by indirect mechanisms. Detecting these indirect activators of specific nuclear receptors in vitro has been difficult. As NR activation of either or both PXR and CAR can lead to drug-drug interactions and adverse drug effects, false negatives obtained with screening tools incapable of detecting indirect activators could present liabilities...
December 6, 2017: Drug Metabolism Letters
https://www.readbyqxmd.com/read/29188995/midostaurin-a-natural-product-derived-kinase-inhibitor-recently-approved-for-the-treatment-of-hematological-malignanciespublished-as-part-of-the-biochemistry-series-biochemistry-to-bedside
#14
Paul W Manley, Ellen Weisberg, Martin Sattler, James D Griffin
No abstract text is available yet for this article.
November 30, 2017: Biochemistry
https://www.readbyqxmd.com/read/29164965/the-importance-of-flt3-mutational-analysis-in-acute-myeloid-leukemia
#15
Mrinal M Patnaik
Activating mutations in FMS-like tyrosine kinase 3 (FLT3), including internal tandem duplications (ITDs) and tyrosine kinase domain (TKD) mutations, are common in patients with acute myeloid leukemia (AML). FLT3-ITD is a negative prognostic factor that remains prognostically relevant even after intensive chemotherapy and/or stem cell transplant. FLT3 testing was historically viewed as being purely prognostic; however, with the advent of FLT3 inhibitors, it will likely be seen as both prognostic and predictive...
November 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29156201/which-new-agents-will-be-incorporated-into-frontline-therapy-in-acute-myeloid-leukemia
#16
REVIEW
Richard M Stone
For 4 decades, new agents had not been permanently approved for use in treating acute myeloid leukemia (AML). The long dry spell was broken in 2017, however, with the approval of several agents: midostaurin for addition to chemotherapy in mutant FLT3 patients undergoing intensive chemotherapy, enasidenib in advanced mutant IDH2 patients, CPX-351 in secondary AML patients, and gemtuzumab ozogamicin in conjunction with standard chemotherapy in AML. This review surveys the use of tyrosine kinase inhibitors to treat patients with mutant FLT3 AML, mutant KIT AML, as well as IDH inhibitors and explores some questions regarding their integration into the treatment armamentarium for AML...
December 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29149610/first-approved-kinase-inhibitor-for-aml
#17
John E J Rasko, Timothy P Hughes
Activating mutations of FLT3 occur in about 30% of acute myeloid leukemia (AML) cases and are associated with relapse and poor prognosis. Midostaurin is the first drug approved for AML since 2000, and the first multi-kinase inhibitor approved for the FLT3-mutant subtype. To view this Bench to Bedside, open or download the PDF.
November 16, 2017: Cell
https://www.readbyqxmd.com/read/29117990/simultaneous-physiologically-based-pharmacokinetic-pbpk-modeling-of-parent-and-active-metabolites-to-investigate-complex-cyp3a4-drug-drug-interaction-potential-a-case-example-of-midostaurin
#18
Helen Gu, Catherine Dutreix, Sam Rebello, Taoufik Ouatas, Lai Wang, Dung Yu Chun, Heidi J Einolf, Handan He
Midostaurin (PKC412) is being investigated for the treatment of acute myeloid leukemia (AML) and advanced systemic mastocytosis (advSM). It is extensively metabolized by cytochrome P450 (CYP) 3A4 to form 2 major active metabolites, CGP52421 and CGP62221. In vitro and clinical drug-drug interaction (DDI) studies indicated that midostaurin and its metabolites are substrates, reversible and time-dependent inhibitors, and inducers of CYP3A4. A simultaneous pharmacokinetic model of parent and active metabolites was initially developed by incorporating data from in vitro, preclinical, and clinical pharmacokinetic studies in healthy volunteers and in patients with AML or advSM...
November 8, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29117486/midostaurin-in-flt3-mutated-acute-myeloid-leukemia
#19
LETTER
Richard M Stone, Richard A Larson, Hartmut Döhner
New England Journal of Medicine, Volume 377, Issue 19, Page 1901-1903, November 2017.
November 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29070106/-sensitivity-of-aml-cells-with-flt3-to-pkc412-in-vitro
#20
Yin-Ying Wang, Cong-Yan Liu, Wei Zhang, Jing-Juan He, Li Su, Wan-Ling Sun
OBJECTIVE: To explore the clinical value of PKC412 (midostaurin) in treatment of AML patients with FLT3(-). METHODS: The bone marrow or peripheral blood were collected and heparinized from 21 newly diagnosed FLT3(-) AML patients, then the mononuclear cells from bone marrow or peripheral blood were isolated by density-gradient method. The sensitivity of leukemia cells to PKC412 of 8 concentration in vitro was detected by ATP-bioluminescence-tumor chemosensitivity assay (ATP-TCA), and the relationship among sensitivity results in vitro, risk stratification and therapeutic efficacy was analyzed...
October 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
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