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Selumetinib

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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...
March 22, 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28291381/selimetry-a-multicentre-i-131-dosimetry-trial-a-clinical-perspective
#7
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 re-sensitising 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...
March 14, 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
#8
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...
March 10, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28264648/a-phase-i-dose-escalation-study-of-selumetinib-in-combination-with-docetaxel-or-dacarbazine-in-patients-with-advanced-solid-tumors
#9
Patricia M LoRusso, Jeffrey R Infante, Kevin B Kim, Howard A Burris, Gregory Curt, Ugochi Emeribe, Delyth Clemett, Helen K Tomkinson, Roger B Cohen
BACKGROUND: The RAS/RAF/MEK/ERK pathway is constitutively activated in many cancers. Selumetinib (AZD6244, ARRY-142886) is an oral, potent and highly selective, allosteric MEK1/2 inhibitor with a short half-life that has shown clinical activity as monotherapy in phase I and II studies of advanced cancer. Preclinical data suggest that selumetinib may enhance the activity of chemotherapeutic agents. We assessed the safety, tolerability, and pharmacokinetics (PK) of selumetinib (AZD6244, ARRY-142886) in combination with docetaxel or dacarbazine in patients with advanced solid tumors...
March 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28212559/the-selective-mek1-inhibitor-selumetinib-enhances-the-antitumor-activity-of-everolimus-against-renal-cell-carcinoma-in-vitro-and-in-vivo
#10
Yun Zou, Jianfeng Wang, Xuejiao Leng, Jiwei Huang, Wei Xue, Jin Zhang, Yiran Huang
Renal cell carcinoma (RCC) is a urologic malignant cancer and often diagnosed at an advanced stage, which results in high mortality. Targeted therapy may improve the quality of life and survival of patients who are not suitable for nephrectomy. Everolimus, an mTOR inhibitor, is currently used as sequential or second-line therapy for RCC refractory to Sunitinib or sorafenib. However, its efficiency is palliative. In this study, we evaluated whether the antitumor activity of everolimus against RCC is enhanced by Selumetinib, a selective MEK1 inhibitor...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28179307/selumetinib-inhibits-melanoma-metastasis-to-mouse-liver-via-suppression-of-emt-targeted-genes
#11
Seung-Hee Ryu, Seung-Ho Heo, Eun Young Park, Kyung-Chul Choi, Je-Won Ryu, Seok Ho Lee, Sang-Wook Lee
AIM: We investigated the therapeutic effects of a mitogen-activated protein (MEK) inhibitor, selumetinib, in a hepatic melanoma metastasis model and studied its possible mechanism of action. MATERIALS AND METHODS: Melanoma cell lines were exposed to selumetinib under different experimental conditions. We established a mouse model of liver metastasis and treated mice orally with vehicle or selumetinib and then evaluated metastasis progress. RESULTS: Growth inhibition was observed in melanoma cells as a consequence of G1-phase cell-cycle arrest and the subsequent induction of apoptosis in a dose- and time-dependent manner...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28094260/targeted-therapies-selumetinib-meking-differences-in-nf1
#12
Lisa Hutchinson
No abstract text is available yet for this article.
March 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28089105/selumetinib-for-children-with-plexiform-neurofibromas
#13
Talha Khan Burki
No abstract text is available yet for this article.
January 6, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28070119/ocd-like-behavior-is-caused-by-dysfunction-of-thalamo-amygdala-circuits-and-upregulated-trkb-erk-mapk-signaling-as-a-result-of-spred2-deficiency
#14
M Ullrich, M Weber, A M Post, S Popp, J Grein, M Zechner, H Guerrero González, A Kreis, A G Schmitt, N Üçeyler, K-P Lesch, K Schuh
Obsessive-compulsive disorder (OCD) is a common neuropsychiatric disease affecting about 2% of the general population. It is characterized by persistent intrusive thoughts and repetitive ritualized behaviors. While gene variations, malfunction of cortico-striato-thalamo-cortical (CSTC) circuits, and dysregulated synaptic transmission have been implicated in the pathogenesis of OCD, the underlying mechanisms remain largely unknown. Here we show that OCD-like behavior in mice is caused by deficiency of SPRED2, a protein expressed in various brain regions and a potent inhibitor of Ras/ERK-MAPK signaling...
January 10, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28053239/microrna-378-reduces-mesangial-hypertrophy-and-kidney-tubular-fibrosis-via-mapk-signaling
#15
Bo Wang, Kevin Yao, Andrea F Wise, Ricky Lau, Hsin-Hui Shen, Greg H Tesch, Sharon D Ricardo
AIMS: To determine the regulatory role of a novel miRNA, miR-378, in the development of fibrosis through repression of the MAPK1 (ERK2) pathway. METHODS: miR-378 and fibrotic gene expression was examined in streptozotocin (STZ)-induced diabetic mice at 18 weeks or in unilateral ureteral obstruction (UUO) mice at 7 days. miR-378 transfection of proximal tubular epithelial cells, NRK52E, and mesangial cells was assessed with/without endogenous miR-378 knockdown using the locked nucleic acid (LNA) inhibitor...
January 4, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28029918/activity-of-selumetinib-in-neurofibromatosis-type-1-related-plexiform-neurofibromas
#16
Eva Dombi, Andrea Baldwin, Leigh J Marcus, Michael J Fisher, Brian Weiss, AeRang Kim, Patricia Whitcomb, Staci Martin, Lindsey E Aschbacher-Smith, Tilat A Rizvi, Jianqiang Wu, Rachel Ershler, Pamela Wolters, Janet Therrien, John Glod, Jean B Belasco, Elizabeth Schorry, Alessandra Brofferio, Amy J Starosta, Andrea Gillespie, Austin L Doyle, Nancy Ratner, Brigitte C Widemann
Background Effective medical therapies are lacking for the treatment of neurofibromatosis type 1-related plexiform neurofibromas, which are characterized by elevated RAS-mitogen-activated protein kinase (MAPK) signaling. Methods We conducted a phase 1 trial of selumetinib (AZD6244 or ARRY-142886), an oral selective inhibitor of MAPK kinase (MEK) 1 and 2, in children who had neurofibromatosis type 1 and inoperable plexiform neurofibromas to determine the maximum tolerated dose and to evaluate plasma pharmacokinetics...
December 29, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/28019010/pharmacokinetics-of-a-single-oral-dose-of-the-mek1-2-inhibitor-selumetinib-in-subjects-with-end-stage-renal-disease-or-varying-degrees-of-hepatic-impairment-compared-with-healthy-subjects
#17
Angela W Dymond, Paul Martin, Karen So, Yifan Huang, Paul Severin, Victoria Holmes, Gabriella Mariani, Thomas Marbury
Two phase I open-label studies were conducted to investigate the pharmacokinetics (PK), safety, and tolerability of single oral doses of selumetinib in subjects with end-stage renal disease (ESRD) undergoing hemodialysis and subjects with varying degrees of hepatic impairment; both studies included a matched control group comprised of healthy individuals. In the renal impairment study, subjects received single doses of selumetinib 50 mg; those with ESRD received selumetinib before and after dialysis (with a between-treatment washout period of ≥7 days)...
December 26, 2016: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27978579/effect-of-selumetinib-and-mk-2206-vs-oxaliplatin-and-fluorouracil-in-patients-with-metastatic-pancreatic-cancer-after-prior-therapy-swog-s1115-study-randomized-clinical-trial
#18
RANDOMIZED CONTROLLED TRIAL
Vincent Chung, Shannon McDonough, Philip A Philip, Dana Cardin, Andrea Wang-Gillam, Laifong Hui, Mohamedtaki A Tejani, Tara E Seery, Irene A Dy, Tareq Al Baghdadi, Andrew E Hendifar, L Austin Doyle, Andrew M Lowy, Katherine A Guthrie, Charles D Blanke, Howard S Hochster
Importance: KRAS mutations are common in pancreatic cancer, but directly targeting the KRAS protein has thus far been unsuccessful. The aim of this trial was to block the MEK and PI3K/AKT pathways downstream of the KRAS protein as an alternate treatment strategy to slow cancer growth and prolong survival. This was the first cooperative group trial to evaluate this strategy using molecularly targeted oral combination therapy for the treatment of chemotherapy-refractory pancreatic cancer...
April 1, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/27939899/high-content-imaging-platform-for-profiling-intracellular-signaling-network-activity-in-living-cells
#19
Dmitry Kuchenov, Vibor Laketa, Frank Stein, Florian Salopiata, Ursula Klingmüller, Carsten Schultz
Essential characteristics of cellular signaling networks include a complex interconnected architecture and temporal dynamics of protein activity. The latter can be monitored by Förster resonance energy transfer (FRET) biosensors at a single-live-cell level with high temporal resolution. However, these experiments are typically limited to the use of a couple of FRET biosensors. Here, we describe a FRET-based multi-parameter imaging platform (FMIP) that allows simultaneous high-throughput monitoring of multiple signaling pathways...
December 22, 2016: Cell Chemical Biology
https://www.readbyqxmd.com/read/27921276/relationship-between-physician-adjudicated-adverse-events-and-patient-reported-health-related-quality-of-life-in-a-phase-ii-clinical-trial-nct01143402-of-patients-with-metastatic-uveal-melanoma
#20
RANDOMIZED CONTROLLED TRIAL
Thomas M Atkinson, Jennifer L Hay, Alexander Shoushtari, Yuelin Li, Daniel J Paucar, Sloane C Smith, Ragini R Kudchadkar, Austin Doyle, Jeffrey A Sosman, Jorge Fernando Quevedo, Mohammed M Milhem, Anthony M Joshua, Gerald P Linette, Thomas F Gajewski, Jose Lutzky, David H Lawson, Christopher D Lao, Patrick J Flynn, Mark R Albertini, Takami Sato, Karl Lewis, Brian Marr, David H Abramson, Mark Andrew Dickson, Gary K Schwartz, Richard D Carvajal
PURPOSE: Clinical trials commonly use physician-adjudicated adverse event (AE) assessment via the common terminology criteria for adverse events (CTCAE) for decision-making. Patient-reported health-related quality of life (HRQoL) data are becoming more frequent in oncology; however, the relationship between physician-adjudicated AE assessment and HRQoL is understudied. METHODS: Data from a phase II trial (clinicaltrials.gov identifier: NCT01143402) where patients with metastatic uveal melanoma were randomized to receive selumetinib, an oral MEK inhibitor, or chemotherapy were analyzed...
March 2017: Journal of Cancer Research and Clinical Oncology
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