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https://www.readbyqxmd.com/read/28711086/the-new-paradigm-of-systemic-therapies-for-metastatic-melanoma
#1
REVIEW
Virginia O Volpe, Daniel M Klufas, Upendra Hegde, Jane M Grant-Kels
New treatments for metastatic melanoma work through distinct mechanisms: enhancing the immune response and blocking cellular proliferation. Agents that enhance the immune response include ipilimumab, pembrolizumb, and nivolumab; agents that block cellular proliferation include vemurafenib, dabrafenib, trametinib, cobimetinib, binimetinib, and selumetinib. The translational impact of laboratory discoveries has revolutionized management of metastatic melanoma and enhanced the prognosis of affected patients.
August 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28676972/erratum-to-a-phase-i-dose-escalation-study-of-selumetinib-in-combination-with-erlotinib-or-temsirolimus-in-patients-with-advanced-solid-tumors
#2
Jeffrey R Infante, Roger B Cohen, Kevin B Kim, Howard A Burris, Gregory Curt, Ugochi Emeribe, Delyth Clemett, Helen K Tomkinson, Patricia M LoRusso
No abstract text is available yet for this article.
July 5, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28675058/selumetinib-for-the-treatment-of-non-small-cell-lung-cancer
#3
Francesca Casaluce, Assunta Sgambato, Paolo Maione, Paola Claudia Sacco, Giuseppe Santabarbara, Cesare Gridelli
KRAS is the most frequently mutated oncogene in NSCLC, occurring in around a third of patients. However, this largest genomically defined subgroup of lung cancer patients seem to remain "undruggable", with any effective targeted therapy approved at the moment. The prognostic and predictive power and thus the clinical utility of KRAS oncogenic mutations in lung cancer are highly debated issues, not supportive of KRAS testing in clinical practice of NSCLC therapy. Areas covered: A phase II trial in KRAS-mutant NSCLC had shown significant improvements in PFS and ORR in patients treated with selumetinib plus docetaxel compared to docetaxel alone...
July 4, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28665153/risk-of-peripheral-edema-in-cancer-patients-treated-with-mek-inhibitors-a-systematic-review-and-meta-analysis-of-clinical-trials
#4
Yong Yang, Yi-Hua Liu, Xu Sun, Ming-Wei Yu, Lin Yang, Pei-Yu Cheng, Guo-Wang Yang, Xiao-Min Wang
BACKGROUND: MEK inhibitors are a group of drugs that have shown reliable effects in the treatment of metastatic melanoma and non-small-cell lung cancer. Peripheral edema is an adverse event associated with MEK inhibitors, however, there has been no systematic attempt to evaluate peripheral edema data observed with these agents. This meta-analysis aimed to determine the risk of peripheral edema in cancer patients treated with MEK inhibitors. MATERIAL AND METHODS: We searched PubMed, the Cochrane Library, EMBASE, and Clinical Trials...
June 30, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28599981/p90rsk-blockade-inhibits-dual-braf-and-mek-inhibitor-resistant-melanoma-by-targeting-protein-synthesis
#5
Nicholas Theodosakis, Goran Micevic, Casey G Langdon, Alessandra Ventura, Robert Means, David F Stern, Marcus W Bosenberg
Despite improvements in survival in metastatic melanoma with combined BRAF and MEK inhibitor treatment, the overwhelming majority of patients eventually acquire resistance to both agents. Consequently, new targets for therapy in resistant tumors are currently being evaluated. Previous studies have identified p90RSK family kinases as key factors for growth and proliferation, as well as protein synthesis via assembly of the m(7)-GTP cap-dependent translation complex. We sought to evaluate inhibitors of p90RSK family members: BI-D1870 and BRD7389, for their ability to inhibit both proliferation and protein synthesis in patient-derived melanoma cell lines with acquired resistance to combined treatment with the BRAF inhibitor vemurafenib and MEK inhibitor selumetinib...
June 6, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28596502/correlation-between-mek-signature-and-ras-gene-alteration-in-advanced-gastric-cancer
#6
Soomin Ahn, Roz Brant, Alan Sharpe, Jonathan R Dry, Darren R Hodgson, Elaine Kilgour, Kyung Kim, Seung Tae Kim, Se Hoon Park, Won Ki Kang, Kyoung-Mee Kim, Jeeyun Lee
MEK inhibitor (selumetinib) is a potent, orally active inhibitor of MAPK/ERK pathway. It is important to develop an accurate and robust method indicative of RAS pathway activity to stratify potential patients who can benefit from selumetinib treatment in gastric cancer (GC). First, we surveyed the sensitivity to selumetinib in a panel of 22 GC cell lines and correlated with MEK signature to selumetinib sensitivity. Next, we analyzed MEK signature via nanostring assay in two Asian cohorts using clinical samples (n = 218) and then performed a correlative analysis with MEK signature status and KRAS genotype in GC...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28596498/somatic-mutations-in-salivary-duct-carcinoma-and-potential-therapeutic-targets
#7
Timothy K Khoo, Bing Yu, Joel A Smith, Angus J Clarke, Peter P Luk, Christina I Selinger, Kate L Mahon, Spiridoula Kraitsek, Carsten Palme, Michael J Boyer, Marcel E Dinger, Mark J Cowley, Sandra A O'Toole, Jonathan R Clark, Ruta Gupta
BACKGROUND: Salivary duct carcinomas (SDCa) are rare highly aggressive malignancies. Most patients die from distant metastatic disease within three years of diagnosis. There are limited therapeutic options for disseminated disease. RESULTS: 11 cases showed androgen receptor expression and 6 cases showed HER2 amplification. 6 Somatic mutations with additional available targeted therapies were identified: EGFR (p.G721A: Gefitinib), PDGFRA (p.H845Y: Imatinib and Crenolanib), PIK3CA (p...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28574827/induction-of-immunoglobulin-transcription-factor-2-and-resistance-to-mek-inhibitor-in-melanoma-cells
#8
Eun-Hye Hur, Bon-Kwan Goo, Juhyun Moon, Yunsuk Choi, Jung Jin Hwang, Choung-Soo Kim, Kyun Seop Bae, Jene Choi, Suk Young Cho, Sang-Hwa Yang, Jeongbeob Seo, Gilnam Lee, Je-Hwan Lee
Primary or acquired resistance to MEK inhibitors has been a barrier to successful treatment with MEK inhibitors in many tumors. In this study, we analyzed genome-wide gene expression profiling data from 6 sensitive and 6 resistant cell lines to identify candidate genes whose expression changes are associated with responses to a MEK inhibitor, selumetinib (AZD6244). Of 62 identified differentially expressed genes, we selected Immunoglobulin Transcription Factor 2, also known as transcription factor 4 as a potential drug resistance marker for further analysis...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28566331/pharmacokinetics-and-drug-interactions-determine-optimum-combination-strategies-in-computational-models-of-cancer-evolution
#9
Shaon Chakrabarti, Franziska Michor
The identification of optimal drug administration schedules to battle the emergence of resistance is a major challenge in cancer research. The existence of a multitude of resistance mechanisms necessitates administering drugs in combination, significantly complicating the endeavor of predicting the evolutionary dynamics of cancers and optimal intervention strategies. A thorough understanding of the important determinants of cancer evolution under combination therapies is therefore crucial for correctly predicting treatment outcomes...
May 31, 2017: Cancer Research
https://www.readbyqxmd.com/read/28528747/selumetinib-does-not-improve-survival-outcomes-in-nsclc
#10
Manjulika Das
No abstract text is available yet for this article.
June 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28492898/selumetinib-plus-docetaxel-compared-with-docetaxel-alone-and-progression-free-survival-in-patients-with-kras-mutant-advanced-non-small-cell-lung-cancer-the-select-1-randomized-clinical-trial
#11
RANDOMIZED CONTROLLED TRIAL
Pasi A Jänne, Michel M van den Heuvel, Fabrice Barlesi, Manuel Cobo, Julien Mazieres, Lucio Crinò, Sergey Orlov, Fiona Blackhall, Juergen Wolf, Pilar Garrido, Artem Poltoratskiy, Gabriella Mariani, Dana Ghiorghiu, Elaine Kilgour, Paul Smith, Alexander Kohlmann, David J Carlile, David Lawrence, Karin Bowen, Johan Vansteenkiste
Importance: There are no specifically approved targeted therapies for the most common genomically defined subset of non-small cell lung cancer (NSCLC), KRAS-mutant lung cancer. Objective: To compare efficacy of the mitogen-activated protein kinase kinase (MEK) inhibitor selumetinib + docetaxel with docetaxel alone as a second-line therapy for advanced KRAS-mutant NSCLC. Design, Setting, and Participants: Multinational, randomized clinical trial conducted at 202 sites across 25 countries from October 2013 through January 2016...
May 9, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28486691/combined-kinase-inhibitors-of-mek1-2-and-either-pi3k-or-pdgfr-are-efficacious-in-intracranial-triple-negative-breast-cancer
#12
Amanda E D Van Swearingen, Maria J Sambade, Marni B Siegel, Shivani Sud, Robert S McNeill, Samantha M Bevill, Xin Chen, Ryan E Bash, Louisa Mounsey, Brian T Golitz, Charlene Santos, Allison Deal, Joel S Parker, Naim Rashid, C Ryan Miller, Gary L Johnson, Carey K Anders
Background: Triple-negative breast cancer (TNBC), lacking expression of hormone and human epidermal growth factor receptor 2 receptors, is an aggressive subtype that frequently metastasizes to the brain and has no FDA-approved systemic therapies. Previous literature demonstrates mitogen-activated protein kinase kinase (MEK) pathway activation in TNBC brain metastases. Thus, we aimed to discover rational combinatorial therapies with MEK inhibition, hypothesizing that co-inhibition using clinically available brain-penetrant inhibitors would improve survival in preclinical models of TNBC brain metastases...
May 9, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28424891/a-phase-i-dose-escalation-study-of-selumetinib-in-combination-with-erlotinib-or-temsirolimus-in-patients-with-advanced-solid-tumors
#13
Jeffrey R Infante, Roger B Cohen, Kevin B Kim, Howard A Burris, Gregory Curt, Ugochi Emeribe, Delyth Clemett, Helen K Tomkinson, Patricia M LoRusso
Background Combinations of molecularly targeted agents may provide optimal anti-tumor activity and improve clinical outcomes for patients with advanced cancers. Selumetinib (AZD6244, ARRY-142886) is an oral, potent and highly selective, allosteric inhibitor of MEK1/2, a component of the RAS/RAF/MEK/ERK pathway which is constitutively activated in many cancers. We investigated the safety, tolerability, and pharmacokinetics (PK) of selumetinib in combination with molecularly targeted drugs erlotinib or temsirolimus in patients with advanced solid tumors...
April 19, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28423638/her-inhibitor-promotes-braf-mek-inhibitor-induced-redifferentiation-in-papillary-thyroid-cancer-harboring-brafv600e
#14
Lingxiao Cheng, Yuchen Jin, Min Liu, Maomei Ruan, Libo Chen
Redifferentiation therapy with BRAF/MEK inhibitors to facilitate treatment with radioiodine represents a good choice for radioiodine-refractory differentiated thyroid carcinoma, but recent initial clinical outcomes were modest. MAPK rebound caused by BRAF/MEK inhibitors-induced activation of HER2/HER3 is a resistance mechanism, and combination with HER inhibitor to prevent MAPK rebound may sensitize BRAFV600E-mutant thyroid cancer cells to redifferentiation therapy. To evaluate if inhibiting both BRAF/MEK and HER can produce stronger redifferetiation effect, we tested the effects of BRAF/MEK inhibitor dabrafenib/selumetinib alone or in combination with HER inhibitor lapatinib on the expression and function of iodine- and glucose-handling genes in BRAFV600E-positive BCPAP and K1 cells, using BHP 2-7 cells harboring RET/PTC1 rearrangement as control...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28368515/a-phase-ib-study-of-selumetinib-azd6244-arry-142886-in-combination-with-sorafenib-in-advanced-hepatocellular-carcinoma-hcc
#15
W M Tai, W P Yong, C Lim, L S Low, C K Tham, T S Koh, Q S Ng, W W Wang, L Z Wang, S Hartono, C H Thng, H Huynh, K T Lim, H C Toh, B C Goh, S P Choo
No abstract text is available yet for this article.
March 27, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28339824/a-phase-i-trial-of-the-mek-inhibitor-selumetinib-azd6244-in-pediatric-patients-with-recurrent-or-refractory-low-grade-glioma-a-pediatric-brain-tumor-consortium-pbtc-study
#16
Anuradha Banerjee, Regina I Jakacki, Arzu Onar-Thomas, Shengjie Wu, Theodore Nicolaides, Tina Young Poussaint, Jason Fangusaro, Joanna Phillips, Arie Perry, David Turner, Michael Prados, Roger J Packer, Ibrahim Qaddoumi, Sridharan Gururangan, Ian F Pollack, Stewart Goldman, Lawrence A Doyle, Clinton F Stewart, James M Boyett, Larry E Kun, Maryam Fouladi
Background.: Activation of the mitogen-activated protein kinase pathway is important for growth of pediatric low-grade gliomas (LGGs). The aim of this study was to determine the recommended phase II dose (RP2D) and the dose-limiting toxicities (DLTs) of the MEK inhibitor selumetinib in children with progressive LGG. Methods.: Selumetinib was administered orally starting at 33 mg/m2/dose b.i.d., using the modified continual reassessment method. Pharmacokinetic analysis was performed during the first course...
February 28, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28328340/selumetinib-in-plexiform-neurofibromas
#17
LETTER
Andrea Gross, Rachel Bishop, Brigitte C Widemann
No abstract text is available yet for this article.
March 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28326681/population-pharmacokinetics-of-selumetinib-and-its-metabolite-n-desmethyl-selumetinib-in-adult-patients-with-advanced-solid-tumors-and-children-with-low-grade-gliomas
#18
Y T Patel, V M Daryani, P Patel, D Zhou, J Fangusaro, D J Carlile, P D Martin, L Aarons, C F Stewart
Selumetinib (AZD6244, ARRY-142886), a mitogen activated protein kinases (MEK1 and 2) inhibitor, has been granted orphan drug designation for differentiated thyroid cancer. The primary aim of this analysis was to characterize the population pharmacokinetics of selumetinib and its active metabolite N-desmethyl-selumetinib in patients with cancer. Concentration-time data from adult and pediatric clinical trials were pooled to develop a population pharmacokinetic model using a sequential approach where selumetinib and N-desmethyl-selumetinib data were modeled separately...
May 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28291381/selimetry-a-multicentre-i-131-dosimetry-trial-a-clinical-perspective
#19
MULTICENTER STUDY
Jonathan Wadsley, Rebecca Gregory, Glenn Flux, Kate Newbold, Yong Du, Laura Moss, Andrew Hall, Louise Flanagan, Sarah R Brown
Treatment options for patients with thyroid cancer that is no longer sensitive to iodine therapy are limited. Those treatments which currently exist are associated with significant toxicity. The SELIMETRY trial (EudraCT No 2015-002269-47) aims to investigate the role of the MEK inhibitor Selumetinib in resensitizing advanced iodine refractory differentiated thyroid cancer to radioiodine therapy. Patients deemed to have sufficient iodine uptake in previously iodine refractory lesions after 4 weeks of Selumetinib therapy will be given an empirical activity of 5...
May 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28283692/pharmacokinetics-and-pharmacogenetics-of-the-mek1-2-inhibitor-selumetinib-in-asian-and-western-healthy-subjects-a-pooled-analysis
#20
Angela W Dymond, Cathy Elks, Paul Martin, David J Carlile, Gabriella Mariani, Susan Lovick, Yifan Huang, Ulrike Lorch, Helen Brown, Karen So
PURPOSE: Emerging data on selumetinib, a MEK1/2 inhibitor in clinical development, suggest a possible difference in pharmacokinetics (PK) between Japanese and Western patients. This pooled analysis sought to assess the effect of ethnicity on selumetinib exposure in healthy Western and Asian subjects, and to identify any association between genetic variants in the UGT1A1, CYP2C19 and ABCG2 genes and observed differences in selumetinib PK. METHODS: A pooled analysis of data from ten Phase I studies, one in Asian subjects (encompassing Japanese, non-Japanese Asian and Indian Asian subjects) and nine in Western subjects, was conducted...
June 2017: European Journal of Clinical Pharmacology
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