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https://www.readbyqxmd.com/read/29903676/-a-new-case-of-pityriasis-rubra-pilaris-like-eruption-associated-with-ponatinib-a-tyrosine-kinase-inhibitor
#1
J Krygier, G Leemans, R Forsyth, A de Becker, J Gutermuth, M Grosber
BACKGROUND: Pityriasis rubra pilaris (PRP) is a cutaneous syndrome of unknown origin. Most cases are sporadic and acquired. Herein we report a fifth case of PRP-like eruption associated with ponatinib, a tyrosine kinase inhibitor (TKI). PATIENTS AND METHODS: A 60-year-old woman presented at the dermatology department with an erythemato-squamous eruption present for 2weeks. The patient was also being treated in haematology for recurrence of acute lymphoblastic leukaemia...
June 11, 2018: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29899872/hitting-two-oncogenic-machineries-in-cancer-cells-cooperative-effects-of-the-multi-kinase-inhibitor-ponatinib-and-the-bet-bromodomain-blockers-jq1-or-dbet1-on-human-carcinoma-cells
#2
Karin Bauer, Daniela Berger, Christoph C Zielinski, Peter Valent, Thomas W Grunt
In recent years, numerous new targeted drugs, including multi-kinase inhibitors and epigenetic modulators have been developed for cancer treatment. Ponatinib blocks a variety of tyrosine kinases including ABL and fibroblast growth factor receptor (FGFR), and the BET bromodomain (BRD) antagonists JQ1 and dBET1 impede MYC oncogene expression. Both drugs have demonstrated substantial anti-cancer efficacy against several hematological malignancies. Solid tumors, on the other hand, although frequently driven by FGFR and/or MYC, are often unresponsive to these drugs...
May 29, 2018: Oncotarget
https://www.readbyqxmd.com/read/29845876/intolerance-to-tyrosine-kinase-inhibitors-in-chronic-myeloid-leukemia-the-possible-role-of-ponatinib
#3
Massimo Breccia, Fabio Efficace, Alessandra Iurlo, Luigiana Luciano, Elisabetta Abruzzese, Antonella Gozzini, Patrizia Pregno, Mario Tiribelli, Gianantonio Rosti, Giorgio Minotti
In spite of the proven efficacy of the tyrosine kinase inhibitor (TKI), imatinib, in chronic myeloid leukemia (CML), many patients develop intolerance and discontinue therapy in the long-term. Second-generation TKIs (dasatinib, nilotinib, bosutinib) and the third-generation TKI, ponatinib, have added opportunities but also complexity in the settings of CML treatment. Areas covered: Different definitions of intolerance have been used through several clinical trials, making the published data non homogenous. In most cases, only the severity of acute adverse events (AEs), graded by conventional scales such as Common Terminology Criteria for Adverse Events, was reported...
May 30, 2018: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29773429/real-life-experience-with-ponatinib-in-chronic-myeloid-leukemia-a-multicenter-observational-study
#4
Adi Shacham-Abulafia, Pia Raanani, David Lavie, Yulia Volchek, Ron Ram, Ilana Helman, Liat Shargian, Anna Gourevitch, Evgeni Chubar, Roy Ratzon, Uri Rozovski
BACKGROUND: The strict recruitment criteria of patients for clinical trials often lead to reduced generalizability of the findings. We studied how ponatinib is used outside clinical trials in patients with chronic myeloid leukemia (CML). PATIENTS AND METHODS: The present retrospective study included all patients with a diagnosis of CML who had received ponatinib in 7 medical centers in Israel. RESULTS: From 2011 to 2016, we identified 37 patients with CML who had received ponatinib, 21 in the chronic phase and 16 in the advanced phase...
May 7, 2018: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29742077/philadelphia-chromosome-positive-acute-lymphoblastic-leukemia-in-adults-current-treatments-and-future-perspectives
#5
Musa Yilmaz, Hagop Kantarjian, Farhad Ravandi-Kashani, Nicholas J Short, Elias Jabbour
Philadelphia chromosome-positive (Ph+) acute lymphoblastic leukemia (ALL) accounts for approximately one-fourth of cases of adult ALL. It typically presents with an aggressive clinical course, responds poorly to standard chemotherapy, and carries a high risk for relapse. The landscape of Ph+ ALL therapy has changed favorably since the development of tyrosine kinase inhibitors (TKIs). With the successful incorporation of TKIs into chemotherapy regimens, remissions occur more frequently and patients live longer...
March 2018: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/29741440/bosutinib-dasatinib-imatinib-nilotinib-and-ponatinib-differentially-affect-the-vascular-molecular-pathways-and-functionality-of-human-endothelial-cells
#6
Ayala Gover-Proaktor, Galit Granot, Metsada Pasmanik-Chor, Oren Pasvolsky, Saar Shapira, Oshrat Raz, Pia Raanani, Avi Leader
The tyrosine kinase inhibitors (TKIs), nilotinib, ponatinib, and dasatinib (but not bosutinib or imatinib), are associated with vascular adverse events (VAEs) in chronic myeloid leukemia (CML). Though the mechanism is inadequately understood, an effect on vascular cells has been suggested. We investigated the effect of imatinib, nilotinib, dasatinib, bosutinib, and ponatinib on tube formation, cell viability, and gene expression of human vascular endothelial cells (HUVECs). We found a distinct genetic profile in HUVECs treated with dasatinib, ponatinib, and nilotinib compared to bosutinib and imatinib, who resembled untreated samples...
May 9, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29704617/the-role-of-small-molecule-kit-protein-tyrosine-kinase-inhibitors-in-the-treatment-of-neoplastic-disorders
#7
REVIEW
Robert Roskoski
The Kit proto-oncogene was found as the consequence of the discovery of the feline v-kit sarcoma oncogene. Stem cell factor (SCF) is the Kit ligand and it mediates Kit dimerization and activation. The Kit receptor contains an extracellular segment that is made up of five immunoglobulin-like domains (D1/2/3/4/5), a transmembrane segment, a juxtamembrane segment, a protein-tyrosine kinase domain that contains an insert of 77 amino acid residues, and a carboxyterminal tail. Activating somatic mutations in Kit have been documented in various neoplasms including gastrointestinal stromal tumors (GIST), mast cell overexpression (systemic mastocytosis), core-binding factor acute myeloid leukemias (AML), melanomas, and seminomas...
April 25, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29695943/bosutinib-in-chronic-myeloid-leukemia-patient-selection-and-perspectives
#8
REVIEW
Susanne Isfort, Tim H Brümmendorf
During recent years, the therapeutic landscape in chronic myeloid leukemia (CML) has changed significantly. Since the clinical introduction of tyrosine kinase inhibitors (TKIs) approximately 15 years ago, patients' concerns have shifted from reduced life expectancy toward long-term toxicities of TKI, depth of remission, and the probability of successful treatment discontinuation. Patients with newly diagnosed CML in chronic phase (at least with a Sokal score not exceeding intermediate) may now expect an almost normal life expectancy...
2018: Journal of Blood Medicine
https://www.readbyqxmd.com/read/29695637/a-high-content-screening-of-anti-cancer-compounds-suggests-the-multiple-tyrosine-kinase-inhibitor-ponatinib-for-repurposing-in-neuroblastoma-therapy
#9
Viktoryia Sidarovich, Marilena De Mariano, Sanja Aveic, Michael Pancher, Valentina Adami, Pamela Gatto, Silvia Pizzini, Luigi Pasini, Michela Croce, Federica Parodi, Flora Cimmino, Marianna Avitabile, Laura Emionite, Michele Cilli, Silvano Ferrini, Aldo Pagano, Mario Capasso, Alessandro Quattrone, Gian Paolo Tonini, Luca Longo
Novel druggable targets have been discovered in neuroblastoma (NB), paving the way for more effective treatments. However, children with high-risk NB still show high mortality rates prompting for a search of novel therapeutic options. Here, we aimed at repurposing FDA-approved drugs for NB treatment by performing a high-content screening of a 349 anti-cancer compounds library. In the primary screening we employed three NB cell lines, grown as 3D multicellular spheroids, which were treated with 10 μM of the library compounds for 72 hours...
April 25, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29675955/rapid-identification-of-bcr-abl1-like-acute-lymphoblastic-leukaemia-patients-using-a-predictive-statistical-model-based-on-quantitative-real-time-polymerase-chain-reaction-clinical-prognostic-and-therapeutic-implications
#10
Sabina Chiaretti, Monica Messina, Sara Grammatico, Alfonso Piciocchi, Anna L Fedullo, Filomena Di Giacomo, Nadia Peragine, Valentina Gianfelici, Alessia Lauretti, Rohan Bareja, Maria P Martelli, Marco Vignetti, Valerio Apicella, Antonella Vitale, Loretta S Li, Cyril Salek, Olivier Elemento, Giorgio Inghirami, David M Weinstock, Anna Guarini, Robin Foà
BCR/ABL1-like acute lymphoblastic leukaemia (ALL) is a subgroup of B-lineage acute lymphoblastic leukaemia that occurs within cases without recurrent molecular rearrangements. Gene expression profiling (GEP) can identify these cases but it is expensive and not widely available. Using GEP, we identified 10 genes specifically overexpressed by BCR/ABL1-like ALL cases and used their expression values - assessed by quantitative real time-polymerase chain reaction (Q-RT-PCR) in 26 BCR/ABL1-like and 26 non-BCR/ABL1-like cases to build a statistical "BCR/ABL1-like predictor", for the identification of BCR/ABL1-like cases...
June 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29675611/ponatinib-as-second-line-treatment-in-chronic-phase-chronic-myeloid-leukemia-patients-in-real-life-practice
#11
Massimo Breccia, Elisabetta Abruzzese, Fausto Castagnetti, Massimiliano Bonifacio, Domenica Gangemi, Federica Sorà, Alessandra Iurlo, Luigiana Luciano, Antonella Gozzini, Massimo Gentile, Monica Bocchia, Debora Luzi, Alessandro Maggi, Nicola Sgherza, Alessandro Isidori, Monica Crugnola, Patrizia Pregno, Anna Rita Scortechini, Isabella Capodanno, Michele Pizzuti, Robin Foà
Scarce information is available on the use of ponatinib as second-line treatment in chronic phase chronic myeloid leukemia (CP-CML) patients resistant and/or intolerant to prior tyrosine kinase inhibitor (TKI) therapy. We collected data from 29 CML patients, with a median age of 54 years (range 32-72). Eleven patients had received dasatinib, 15 patients received nilotinib, and 3 patients received imatinib as first-line treatment. Forty-five percent of patients started ponatinib for secondary resistance, 38% for primary resistance, 7% for severe intolerance associated to a molecular warning, 7% due to the presence of a T315I mutation, and 3% for severe intolerance...
April 19, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29667003/chemical-genomics-reveals-inhibition-of-breast-cancer-lung-metastasis-by-ponatinib-via-c-jun
#12
Wei Shao, Shasha Li, Lu Li, Kequan Lin, Xinhong Liu, Haiyan Wang, Huili Wang, Dong Wang
Metastasis is the leading cause of human cancer deaths. Unfortunately, no approved drugs are available for anti-metastatic treatment. In our study, high-throughput sequencing-based high-throughput screening (HTS2 ) and a breast cancer lung metastasis (BCLM)-associated gene signature were combined to discover anti-metastatic drugs. After screening of thousands of compounds, we identified Ponatinib as a BCLM inhibitor. Ponatinib significantly inhibited the migration and mammosphere formation of breast cancer cells in vitro and blocked BCLM in multiple mouse models...
April 17, 2018: Protein & Cell
https://www.readbyqxmd.com/read/29608815/alkynylnicotinamide-based-compounds-as-abl1-inhibitors-with-potent-activities-against-drug-resistant-cml-harboring-abl1-t315i-mutant-kinase
#13
Elizabeth A Larocque, N Naganna, Clement Opoku-Temeng, Alyssa M Lambrecht, Herman O Sintim
The introduction of imatinib into the clinical scene revolutionized the treatment of chronic myelogenous leukemia (CML). The overall eight-year survival rate for CML has increased from about 6 % in the 1970s to over 90 % in the imatinib era. However, about 20 % of CML patients harbor primary or acquired resistance to tyrosine kinase inhibitors. ABL1 point mutations in the BCR-ABL1 fusion protein, such as ABL1(T315I), typically emerge after prolonged kinase inhibitor treatment. Ponatinib (AP24534) is currently the only approved CML drug that is active against the ABL1(T315I) mutation...
April 2, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29567798/ponatinib-efficacy-and-safety-in-philadelphia-chromosome-positive-leukemia-final-5-year-results-of-the-phase-2-pace-trial
#14
Jorge E Cortes, Dong-Wook Kim, Javier Pinilla-Ibarz, Philipp D le Coutre, Ronald Paquette, Charles Chuah, Franck E Nicolini, Jane F Apperley, H Jean Khoury, Moshe Talpaz, Daniel J DeAngelo, Elisabetta Abruzzese, Delphine Rea, Michele Baccarani, Martin C Müller, Carlo Gambacorti-Passerini, Stephanie Lustgarten, Victor M Rivera, Frank G Haluska, François Guilhot, Michael W Deininger, Andreas Hochhaus, Timothy P Hughes, Neil P Shah, Hagop M Kantarjian
Ponatinib has potent activity against native and mutant BCR-ABL1, including BCR-ABL1T315I The pivotal phase 2 PACE trial evaluated efficacy and safety of ponatinib at a starting dose of 45 mg once daily in 449 patients with chronic myeloid leukemia (CML) or Philadelphia chromosome-positive acute lymphoblastic leukemia resistant/intolerant to dasatinib or nilotinib, or with BCR ABL1T315I This analysis focuses on chronic-phase CML (CP-CML) patients (n=270) with 56.8-month median follow-up. Among 267 evaluable patients, 60%, 40%, and 24% achieved major cytogenetic response (MCyR), major molecular response (MMR), and MR4...
March 22, 2018: Blood
https://www.readbyqxmd.com/read/29555876/identification-and-characterization-of-novel-receptor-interacting-serine-threonine-protein-kinase-2-inhibitors-using-structural-similarity-analysis
#15
Mohamed Salla, Rodrigo Aguayo-Ortiz, Gaddafi I Danmaliki, Alaa Zare, Ahmed Said, Jack Moore, Vrajeshkumar Pandya, Robin Manaloor, Sunny Fong, Anna R Blankstein, Spencer B Gibson, Laura Ramos Garcia, Pascal Meier, Khushwant S Bhullar, Basil P Hubbard, Yahya Fiteh, Harissios Vliagoftis, Ing Swie Goping, Dion Brocks, Peter Hwang, Carlos A Velázquez-Martínez, Shairaz Baksh
Receptor-interacting protein kinase 2 (RIP2 or RICK, herein referred to as RIPK2) is linked to the pathogen pathway that activates nuclear factor κ -light-chain-enhancer of activated B cells (NF κ B) and autophagic activation. Using molecular modeling (docking) and chemoinformatics analyses, we used the RIPK2/ponatinib crystal structure and searched in chemical databases for small molecules exerting binding interactions similar to those exerted by ponatinib. The identified RIPK2 inhibitors potently inhibited the proliferation of cancer cells by > 70% and also inhibited NF κ B activity...
May 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29519619/efficacy-of-ponatinib-versus-earlier-generation-tyrosine-kinase-inhibitors-for-front-line-treatment-of-newly-diagnosed-philadelphia-positive-acute-lymphoblastic-leukemia
#16
Elias Jabbour, Maral DerSarkissian, Mei Sheng Duh, Nora McCormick, Wendy Y Cheng, Lisa J McGarry, Ariadne Souroutzidis, Hui Huang, Susan O'Brien, Farhad Ravandi, Hagop M Kantarjian
INTRODUCTION: Complete molecular response (CMR) and 2- and 3-year overall survival (OS) were compared for patients with newly diagnosed Philadelphia-positive acute lymphoblastic leukemia (Ph+ ALL) who had undergone front-line combination chemotherapy plus ponatinib versus combination therapy plus earlier generation tyrosine kinase inhibitors (TKIs; imatinib, dasatinib, and nilotinib). PATIENTS AND METHODS: We identified 26 Ph+ ALL studies: 25 of earlier generation TKIs and 1 of ponatinib...
April 2018: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29508628/drug-associated-pulmonary-arterial-hypertension
#17
Michael McGee, Nicholas Whitehead, Jennifer Martin, Nicholas Collins
INTRODUCTION: While pulmonary arterial hypertension remains an uncommon diagnosis, various therapeutic agents are recognized as important associations. These agents are typically categorized into "definite", "likely", "possible", or "unlikely" to cause pulmonary arterial hypertension, based on the strength of evidence. OBJECTIVE: This review will focus on those therapeutic agents where there is sufficient literature to adequately comment on the role of the agent in the pathogenesis of pulmonary arterial hypertension...
March 6, 2018: Clinical Toxicology
https://www.readbyqxmd.com/read/29502175/ponatinib-for-treating-acute-lymphoblastic-leukaemia-an-evidence-review-group-perspective-of-a-nice-single-technology-appraisal
#18
REVIEW
Matt Stevenson, Abdullah Pandor, Jean Hamilton, John Stevens, Clare Rowntree, Marrissa Martyn-St James, Andrew Rawdin, Ruth Wong
As part of its single technology appraisal (STA) process, the UK National Institute for Health and Care Excellence (NICE) invited the manufacturer (Incyte Corporation) of ponatinib (Inclusig® ) to submit evidence of its clinical and cost effectiveness for previously treated Philadelphia-chromosome-positive acute lymphoblastic leukaemia (Ph+ ALL) and chronic myeloid leukaemia. This paper focusses on Ph+ ALL. The School of Health and Related Research Technology Appraisal Group at the University of Sheffield was commissioned to act as the independent evidence review group (ERG)...
March 3, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29480454/ponatinib-for-treating-chronic-myeloid-leukaemia-an-evidence-review-group-perspective-of-a-nice-single-technology-appraisal
#19
REVIEW
Abdullah Pandor, Matt Stevenson, John Stevens, Marrissa Martyn-St James, Jean Hamilton, Jenny Byrne, Claudius Rudin, Andrew Rawdin, Ruth Wong
As part of its single technology appraisal process, the National Institute for Health and Care Excellence (NICE) invited the company that manufactures ponatinib (Inclusig® ; Incyte Corporation) to submit evidence for the clinical and cost effectiveness for previously treated chronic myeloid leukaemia (CML) and Philadelphia-chromosome-positive acute lymphoblastic leukaemia (Ph+ ALL). This paper focusses on the three phases of CML: the chronic phase (CP), the accelerated phase (AP) and the blast crisis phase (BP)...
February 26, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29479884/extramedullary-blast-crisis-in-a-patient-with-t315i-bcr-abl-mutated-chronic-myeloid-leukemia
#20
Jingwen Zhang, Xiangzhong Zhang, Ying Lu, Ju Jiao, Yuxin Chen, Dongjun Lin
BACKGROUND: Extramedullary blast crisis (EBC) of T315I BCR-ABL mutated chronic myelogenous leukemia (CML) is extremely rare. METHODS: We report an unusual case characterized by fever, right shoulder swelling, pleural effusion, and multiple bone destruction as the first signs of EBC of T315I BCR-ABL mutated CML. RESULTS: The patient did not respond to chemotherapy consisting of anthracyclines, cytarabine and etoposide. His condition improved after the treatment with ponatinib combined with allogenic stem cell transplantation (alloHCT), but soon worsened after ponatinib withdrawal...
January 1, 2018: Clinical Laboratory
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