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https://www.readbyqxmd.com/read/27912826/diagnosis-and-treatment-of-anaplastic-lymphoma-kinase-positive-non-small-cell-lung-cancer
#1
REVIEW
Kathryn C Arbour, Gregory J Riely
Anaplastic lymphoma kinase (ALK) gene rearrangements occur in a small portion of patients with non-small cell lung cancer (NSCLC). These gene rearrangements lead to constitutive activation of the ALK kinase and subsequent ALK-driven tumor formation. Patients with tumors harboring such rearrangements are highly sensitive to ALK inhibitors, such as crizotinib, ceritinib, and alectinib. Resistance to these kinase inhibitors occurs through several mechanisms, resulting in ongoing clinical challenges. This review summarizes the biology of ALK-positive lung cancer, methods for diagnosing ALK-positive NSCLC, current FDA-approved ALK inhibitors, mechanisms of resistance to ALK inhibition, and potential strategies to combat resistance...
February 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27888620/identification-of-different-alk-mutations-in-a-pair-of-neuroblastoma-cell-lines-established-at-diagnosis-and-relapse
#2
Lindi Chen, Angharad Humphreys, Lisa Turnbull, Angela Bellini, Gudrun Schleiermacher, Helen Salwen, Susan L Cohn, Nick Bown, Deborah A Tweddle
Anaplastic Lymphoma Kinase (ALK) is a transmembrane receptor kinase that belongs to the insulin receptor superfamily and has previously been shown to play a role in cell proliferation, migration and invasion in neuroblastoma. Activating ALK mutations are reported in both hereditary and sporadic neuroblastoma tumours, and several ALK inhibitors are currently under clinical evaluation as novel treatments for neuroblastoma. Overall, mutations at codons F1174, R1275 and F1245 together account for ~85% of reported ALK mutations in neuroblastoma...
November 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27879019/screening-for-alk-abnormalities-in-central-nervous-system-metastases-of-non-small-cell-lung-cancer-alk-abnormalities-in-cns-metastases-of-nsclc
#3
Marcin Nicoś, Bożena Jarosz, Paweł Krawczyk, Kamila Wojas-Krawczyk, Tomasz Kucharczyk, Marek Sawicki, Juliusz Pankowski, Tomasz Trojanowski, Janusz Milanowski
Anaplastic lymphoma kinase (ALK) gene rearrangement was reported in 3-7% of primary non-small-cell lung cancer (NSCLC) and its presence is commonly associated with adenocarcinoma (AD) type and non-smoking history. ALK tyrosine kinase inhibitors (TKIs) such as crizotinib, alectinib and ceritinib showed efficiency in patients with primary NSCLC harboring ALK gene rearrangement. Moreover, response to ALK TKIs was observed in central nervous system (CNS) metastatic lesions of NSCLC. However, there are no reports concerning the frequency of ALK rearrangement in CNS metastases...
November 23, 2016: Brain Pathology
https://www.readbyqxmd.com/read/27867615/current-evidence-in-support-of-the-second-generation-anaplastic-lymphoma-kinase-alk-tyrosine-kinase-inhibitor-alectinib-for-the-treatment-of-non-small-cell-lung-cancer-positive-for-alk-translocation
#4
EDITORIAL
https://www.readbyqxmd.com/read/27865624/w-alk-into-the-next-stage
#5
REVIEW
Gouji Toyokawa, Takashi Seto, Mitsuhiro Takenoyama, Yukito Ichinose
In 2007, the rearrangement of anaplastic lymphoma kinase (ALK) was identified to be associated with the pathogenesis of a subset of patients with non-small-cell lung cancer (NSCLC). Surprisingly, approximately 4 years after the discovery of ALK rearrangement in lung cancer, the first-in-class ALK inhibitor (ALKi), crizotinib, was approved for metastatic ALK-rearranged NSCLC by the US Food and Drug Administration. Subsequently, next-generation ALKis, such as alectinib and ceritinib, have been developed, and some of them have been applied in the clinical setting...
October 26, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27863201/pooled-analysis-of-cns-response-to-alectinib-in-two-studies-of-pretreated-patients-with-alk-positive-non-small-cell-lung-cancer
#6
Shirish M Gadgeel, Alice T Shaw, Ramaswamy Govindan, Leena Gandhi, Mark A Socinski, D Ross Camidge, Luigi De Petris, Dong-Wan Kim, Alberto Chiappori, Denis L Moro-Sibilot, Michael Duruisseaux, Lucio Crino, Tommaso De Pas, Eric Dansin, Antje Tessmer, James Chih-Hsin Yang, Ji-Youn Han, Walter Bordogna, Sophie Golding, Ali Zeaiter, Sai-Hong Ignatius Ou
Purpose Alectinib has shown activity in the CNS in phase I and II studies. To further evaluate this activity, we pooled efficacy and safety data from two single-arm phase II studies (NP28761 and NP28673; ClinicalTrials.gov identifiers: NCT01871805 and NCT01801111, respectively) in patients with ALK-positive non-small-cell lung cancer (NSCLC). Patients and Methods Both studies included patients with ALK-positive NSCLC who had previously received crizotinib; all patients received alectinib 600 mg twice per day...
December 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27811184/coupling-an-eml4-alk-centric-interactome-with-rna-interference-identifies-sensitizers-to-alk-inhibitors
#7
Guolin Zhang, Hannah Scarborough, Jihye Kim, Andrii I Rozhok, Yian Ann Chen, Xiaohui Zhang, Lanxi Song, Yun Bai, Bin Fang, Richard Z Liu, John Koomen, Aik Choon Tan, James Degregori, Eric B Haura
Patients with lung cancers harboring anaplastic lymphoma kinase (ALK) gene fusions benefit from treatment with ALK inhibitors, but acquired resistance inevitably arises. A better understanding of proximal ALK signaling mechanisms may identify sensitizers to ALK inhibitors that disrupt the balance between prosurvival and proapoptotic effector signals. Using affinity purification coupled with mass spectrometry in an ALK fusion lung cancer cell line (H3122), we generated an ALK signaling network and investigated signaling activity using tyrosine phosphoproteomics...
October 18, 2016: Science Signaling
https://www.readbyqxmd.com/read/27785052/a-patient-previously-treated-with-alk-inhibitors-for-central-nervous-system-lesions-from-alk-rearranged-lung-cancer-a-case-report
#8
Jumpei Kashima, Yusuke Okuma, Tsunekazu Hishima
BACKGROUND: Patients with anaplastic lymphoma kinase (ALK)-rearranged non-small-cell lung cancer (NSCLC) are now preferentially treated with tyrosine kinase inhibitors (TKIs). However, patients treated with ALK inhibitors end up with acquired resistance. CASE PRESENTATION: We present a patient with recurrent ALK-rearranged NSCLC that developed multiple brain metastases and meningitis carcinomatosa after sequential treatment with several lines of cytotoxic chemotherapy, crizotinib, and alectinib...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27783866/areg-triggered-egfr-activation-confers-in-vivo-crizotinib-resistance-of-eml4-alk-lung-cancer-and-circumvention-by-egfr-inhibitors
#9
Hirokazu Taniguchi, Shinji Takeuchi, Koji Fukuda, Takayuki Nakagawa, Sachiko Arai, Shigeki Nanjo, Tadaaki Yamada, Hiroyuki Yamaguchi, Hiroshi Mukae, Seiji Yano
Crizotinib, a first-generation anaplastic lymphoma kinase (ALK) tyrosine-kinase inhibitor, is known to be effective against echinoderm microtubule-associated protein-like 4 (EML4)-ALK-positive non-small cell lung cancers. Nonetheless, the tumors subsequently become resistant to crizotinib and recur in almost every case. The mechanism of the acquired resistance needs to be deciphered. In this study, we established crizotinib-resistant cells (A925LPE3-CR) via long-term administration of crizotinib to a mouse model of pleural carcinomatous effusions; this model involved implantation of the A925LPE3 cell line, which harbors the EML4-ALK gene rearrangement...
October 26, 2016: Cancer Science
https://www.readbyqxmd.com/read/27780853/the-potent-alk-inhibitor-brigatinib-ap26113-overcomes-mechanisms-of-resistance-to-first-and-second-generation-alk-inhibitors-in-preclinical-models
#10
Sen Zhang, Rana Anjum, Rachel Squillace, Sara Nadworny, Tianjun Zhou, Jeff Keats, Yaoyu Ning, Scott D Wardwell, David Miller, Youngchul Song, Lindsey Eichinger, Lauren Moran, Wei-Sheng Huang, Shuangying Liu, Dong Zou, Yihan Wang, Qurish Mohemmad, Hyun Gyung Jang, Emily Ye, Narayana Narasimhan, Frank Wang, Juan Miret, Xiaotian Zhu, Tim Clackson, David Dalgarno, William C Shakespeare, Victor M Rivera
PURPOSE: Non-small cell lung cancers (NSCLCs) harboring ALK gene rearrangements (ALK(+)) typically become resistant to the first-generation anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitor (TKI) crizotinib through development of secondary resistance mutations in ALK or disease progression in the brain. Mutations that confer resistance to second-generation ALK TKIs ceritinib and alectinib have also been identified. Here, we report the structure and first comprehensive preclinical evaluation of the next-generation ALK TKI brigatinib...
October 25, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27780368/alectinib-for-treatment-of-alk-positive-non-small-cell-lung-cancer
#11
Virginie Avrillon, Maurice Pérol
Alectinib is a highly selective second-generation ALK inhibitor that is active against most crizotinib ALK resistance mutations, with a good penetration in CNS and a good safety profile. Thanks to the positive results of Phase II trials, alectinib was approved in Japan and by the US FDA for ALK-positive non-small-cell lung cancer (NSCLC) patients pretreated with crizotinib. Recently, the Phase III J-ALEX study demonstrated superiority of alectinib over crizotinib in crizotinib naive ALK-positive NSCLC, with an impressive improvement of progression-free survival...
October 26, 2016: Future Oncology
https://www.readbyqxmd.com/read/27768922/an-uplc-ms-ms-method-for-the-quantitation-of-alectinib-in-rat-plasma
#12
Xiang-Xin Huang, Yun-Xuan Li, Xiang-Yu Li, Xiao-Xia Hu, Peng-Fei Tang, Guo-Xin Hu
Currently, crizotinib is the first generation drug, which has been used in the treatment of ALK-rearranged non-small cell lung cancer (NSCLC). However, more and more patients are found in crizotinib-resistance. In the last year, alectinib has been approved for treatment of patients with crizotinib-resistance. In this study, we aim to develop and validate a simple, rapid and sensitive tandem mass spectrometry (UHPLC-MS/MS) method for determination of alectinib in rat plasma. Diazepam was chosen as an internal standard (IS)...
October 14, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27747151/a-long-term-survivor-of-non-small-cell-lung-cancer-harboring-concomitant-egfr-mutation-and-alk-translocation
#13
Fumio Imamura, Takako Inoue, Madoka Kimura, Kazumi Nishino, Toru Kumagai
In January 2003, a 55-year old, non-smoking woman visited our hospital to undergo treatment for T4N0M0 pulmonary adenocarcinoma of the left lung. Until death in October 2015, she received over 20 lines of treatment including a second line therapy with gefitinib, which showed long response. In March 2014, she noticed the left axillar lymph node swelling. Aspiration cytology of the lymph node revealed the presence of adenocarcinoma harboring EGFR exon 19 deletion (Ex19del) but not T790M. Concomitant ALK translocation of variant 1 was also detected...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27744726/the-role-of-alectinib-in-the-treatment-of-advanced-alk-rearranged-non-small-cell-lung-cancer
#14
Srividya Srinivasamaharaj, Bilal Khameze Salame, Jorge Rios-Perez, Goetz Kloecker, Cesar A Perez
The identification of anaplastic lymphoma kinase (ALK) gene rearrangements in subsets of non-small cell lung cancer patients has provided with unparalleled opportunities to hinder the progression of this disease through targeting the activity of these specific molecules. Unfortunately most patients develop disease progression in less than a year of treatment with crizotinib, the first-generation ALK-inhibitor. Areas covered: We review the resistance mechanisms to ALK inhibitors as well as an overview of the clinical activity of the alectinib, a second generation ALK inhibitor...
November 3, 2016: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/27712045/systematic-analysis-of-tyrosine-kinase-inhibitor-response-to-ret-gatekeeper-mutations-in-thyroid-cancer
#15
Shu Meng, Hongyan Wu, Jing Wang, Qiyuan Qiu
The proto-oncogene protein RET is a receptor tyrosine kinase that plays an important role in the development and progress of various human cancers. Currently, targeting RET with small-molecule tyrosine kinase inhibitors (TKIs) has been established as promising therapeutic strategy for thyroid carcinoma (TC). However, two gatekeeper mutations V804M and V804L in RET kinase domain have been frequently observed to cause drug resistance during the targeted therapy, largely limiting the application of reversible TKIs in TC...
October 2016: Molecular Informatics
https://www.readbyqxmd.com/read/27707887/overcoming-egfr-bypass-signal-induced-acquired-resistance-to-alk-tyrosine-kinase-inhibitors-in-alk-translocated-lung-cancer
#16
Masayoshi Miyawaki, Hiroyuki Yasuda, Tetsuo Tani, Junko Hamamoto, Daisuke Arai, Kota Ishioka, Keiko Ohgino, Shigenari Nukaga, Toshiyuki Hirano, Ichiro Kawada, Katsuhiko Naoki, Yuichiro Hayashi, Tomoko Betsuyaku, Kenzo Soejima
: Activation of the epidermal growth factor receptor (EGFR) pathway is one of the mechanisms inducing acquired resistance to anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitors (TKIs) such as crizotinib and alectinib. Ceritinib is a highly selective ALK inhibitor and shows promising efficacy in non-small cell lung cancers (NSCLCs) harboring the ALK gene rearrangement. However, the precise mechanism underlying acquired resistance to ceritinib is not well defined. This study set out to clarify the mechanism in ALK-translocated lung cancer and to find the preclinical rationale overcoming EGFR pathway-induced acquired resistance to ALK-TKIs...
October 5, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/27693505/drug-resistance-in-alk-positivenon-small-cell-lungcancer-patients
#17
Mengjia Qian, Bijun Zhu, Xiangdong Wang, Michael Liebman
Patients are diagnosed as anaplastic lymphoma kinase (ALK) positive, i.e. exhibiting the ALK rearrangement, and comprise 3-7% of non-small-cell lung cancer (NSCLC) cases. Three generations of ALK inhibitors have been developed and used in targeted therapy, although there are still improving spaces of drug resistance at the initiation of each treatment. The current review discusses the pathophysiology of ALK-positive NSCLC and the role of three generations of ALK target inhibitors including crizotinib, ceritinib, alectinib and lorlatinib, as well as the mechanisms of the secondary resistance...
September 29, 2016: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/27682212/current-and-developing-therapies-for-the-treatment-of-non-small-cell-lung-cancer-with-alk-abnormalities-update-and-perspectives-for-clinical-practice
#18
M Caccese, R Ferrara, S Pilotto, L Carbognin, G Grizzi, A Caliò, M Brunelli, F Cuppone, S Petraglia, A Scarpa, G Tortora, E Bria
The treatment of patients with ALK-rearranged non-small-cell lung cancer was completely revolutionized by the introduction of Crizotinib, a small molecule inhibiting ALK, MET and ROS1. Given that resistance occurs within approximately 12 months, in order to develop more potent inhibitors and to increase drug penetration to CNS, innovative ALK-inhibitors were developed. Second-generation ALK inhibitors Ceritinib (LDK378), Alectinib (CH5424802/RO5424802) and Brigatinib (AP26113) have shown significant clinical activity, and were rapidly approved by regulatory agencies...
October 8, 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27609840/personalized-medicine-tackles-clinical-resistance-alectinib-in-alk-positive-non-small-cell-lung-cancer-progressing-on-first-generation-alk-inhibitor
#19
Ferdinandos Skoulidis, Vassiliki A Papadimitrakopoulou
Over the last 2 years, our therapeutic armamentarium against genomically defined subgroups of non-small cell lung cancer (NSCLC) has extended to patients with acquired resistance to front-line targeted therapy. Alectinib (Alecensa; Roche/Genentech), a second-generation, orally active, potent, and highly selective inhibitor of anaplastic lymphoma kinase (ALK), is indicated for patients with metastatic, ALK rearrangement-positive NSCLC whose disease has worsened after treatment with crizotinib or who became intolerant to the drug...
November 1, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27585676/insight-into-drug-resistance-mechanisms-and-discovery-of-potential-inhibitors-against-wild-type-and-l1196m-mutant-alk-from-fda-approved-drugs
#20
Jianzong Li, Wei Liu, Hao Luo, Jinku Bao
Anaplastic lymphoma kinase (ALK) plays a crucial role in multiple malignant cancers. It is known as a well-established target for the treatment of ALK-dependent cancers. Even though substantial efforts have been made to develop ALK inhibitors, only crizotinib, ceritinib, and alectinib had been approved by the U.S. Food and Drug Administration for patients with ALK-positive non-small cell lung cancer (NSCLC). The secondary mutations with drug-resistance bring up difficulties to develop effective drugs for ALK-positive cancers...
September 2016: Journal of Molecular Modeling
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