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https://www.readbyqxmd.com/read/27912827/new-targets-in-non-small-cell-lung-cancer
#1
REVIEW
Soo J Park, Soham More, Ayesha Murtuza, Brian D Woodward, Hatim Husain
With the implementation of genomic technologies into clinical practice, we have examples of the predictive benefit of targeted therapy for oncogene-addicted cancer and identified molecular dependencies in non-small cell lung cancer. The clinical success of tyrosine kinase inhibitors against epidermal growth factor receptor and anaplastic lymphoma kinase activation has shifted treatment emphasize the separation of subsets of lung cancer and genotype-directed therapy. Advances have validated oncogenic driver genes and led to the development of targeted agents...
February 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27904650/cabozantinib-in-the-treatment-of-advanced-renal-cell-carcinoma-clinical-trial-evidence-and-experience
#2
REVIEW
Jose Manuel Ruiz-Morales, Daniel Y C Heng
The treatment of metastatic renal cell carcinoma (mRCC) is rapidly changing. During first-line treatment with targeted therapy, patients ultimately develop resistance to therapy and the disease progresses. Recently, cabozantinib has demonstrated a better response rate, progression-free survival and overall survival compared with everolimus after failure of prior targeted therapy in patients with advanced or metastatic renal cell carcinoma (RCC). Cabozantinib is a small-molecule tyrosine kinase inhibitor (TKI)...
December 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27873490/egf-induced-ret-inhibitor-resistance-in-ccdc6-ret-lung-cancer-cells
#3
Hyun Chang, Ji Hea Sung, Sung Ung Moon, Han Soo Kim, Jin Won Kim, Jong Seok Lee
PURPOSE: Rearrangement of the proto-oncogene rearranged during transfection (RET) has been newly identified potential driver mutation in lung adenocarcinoma. Clinically available tyrosine kinase inhibitors (TKIs) target RET kinase activity, which suggests that patients with RET fusion genes may be treatable with a kinase inhibitor. Nevertheless, the mechanisms of resistance to these agents remain largely unknown. Thus, the present study aimed to determine whether epidermal growth factor (EGF) and hepatocyte growth factor (HGF) trigger RET inhibitor resistance in LC-2/ad cells with CCDC6-RET fusion genes...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27826534/fusion-gene-and-splice-variant-analyses-in-liquid-biopsies-of-lung-cancer-patients
#4
REVIEW
Cristina Aguado, Ana Giménez-Capitán, Niki Karachaliou, Ana Pérez-Rosado, Santiago Viteri, Daniela Morales-Espinosa, Rafael Rosell
Obtaining a biopsy of solid tumors requires invasive procedures that strongly limit patient compliance. In contrast, a blood extraction is safe, can be performed at many time points during the course disease and encourages appropriate therapy modifications, potentially improving the patient's clinical outcome and quality of life. Fusion of the tyrosine kinase genes anaplastic lymphoma kinase (ALK), C-ROS oncogen 1 (ROS 1), rearranged during transfection (RET) and neurotrophic tyrosine kinase 1 (NTRK1) occur in 1-5% of lung adenocarcinomas and constitute therapeutic targets for tyrosine kinase inhibitors...
October 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/27825638/erlotinib-cabozantinib-or-erlotinib-plus-cabozantinib-as-second-line-or-third-line-treatment-of-patients-with-egfr-wild-type-advanced-non-small-cell-lung-cancer-ecog-acrin-1512-a-randomised-controlled-open-label-multicentre-phase-2-trial
#5
Joel W Neal, Suzanne E Dahlberg, Heather A Wakelee, Seena C Aisner, Michaela Bowden, Ying Huang, David P Carbone, Gregory J Gerstner, Rachel E Lerner, Jerome L Rubin, Taofeek K Owonikoko, Philip J Stella, Preston D Steen, Ahmed Ali Khalid, Suresh S Ramalingam
BACKGROUND: Erlotinib is approved for the treatment of all patients with advanced non-small-cell lung cancer (NSCLC), but is most active in the treatment of EGFR mutant NSCLC. Cabozantinib, a small molecule tyrosine kinase inhibitor, targets MET, VEGFR, RET, ROS1, and AXL, which are implicated in lung cancer tumorigenesis. We compared the efficacy of cabozantinib alone or in combination with erlotinib versus erlotinib alone in patients with EGFR wild-type NSCLC. METHODS: This three group, randomised, controlled, open-label, multicentre, phase 2 trial was done in 37 academic and community oncology practices in the USA...
November 4, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27825637/ret-inhibitors-for-patients-with-ret-fusion-positive-and-ret-wild-type-non-small-cell-lung-cancer
#6
Rafael Rosell, Niki Karachaliou
No abstract text is available yet for this article.
November 4, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27825636/cabozantinib-in-patients-with-advanced-ret-rearranged-non-small-cell-lung-cancer-an-open-label-single-centre-phase-2-single-arm-trial
#7
Alexander Drilon, Natasha Rekhtman, Maria Arcila, Lu Wang, Andy Ni, Melanie Albano, Martine Van Voorthuysen, Romel Somwar, Roger S Smith, Joseph Montecalvo, Andrew Plodkowski, Michelle S Ginsberg, Gregory J Riely, Charles M Rudin, Marc Ladanyi, Mark G Kris
BACKGROUND: RET rearrangements are found in 1-2% of non-small-cell lung cancers. Cabozantinib is a multikinase inhibitor with activity against RET that produced a 10% overall response in unselected patients with lung cancers. To assess the activity of cabozantinib in patients with RET-rearranged lung cancers, we did a prospective phase 2 trial in this molecular subgroup. METHODS: We enrolled patients in this open-label, Simon two-stage, single-centre, phase 2, single-arm trial in the USA if they met the following criteria: metastatic or unresectable lung cancer harbouring a RET rearrangement, Karnofsky performance status higher than 70, and measurable disease...
November 4, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27825616/vandetanib-in-patients-with-previously-treated-ret-rearranged-advanced-non-small-cell-lung-cancer-luret-an-open-label-multicentre-phase-2-trial
#8
Kiyotaka Yoh, Takashi Seto, Miyako Satouchi, Makoto Nishio, Noboru Yamamoto, Haruyasu Murakami, Naoyuki Nogami, Shingo Matsumoto, Takashi Kohno, Koji Tsuta, Katsuya Tsuchihara, Genichiro Ishii, Shogo Nomura, Akihiro Sato, Atsushi Ohtsu, Yuichiro Ohe, Koichi Goto
BACKGROUND: RET rearrangements are rare oncogenic alterations in non-small-cell lung cancer (NSCLC). Vandetanib is a multitargeted tyrosine kinase inhibitor exhibiting RET kinase activity. We aimed to assess the efficacy and safety of vandetanib in patients with advanced RET-rearranged NSCLC. METHODS: In this open-label, multicentre, phase 2 trial (LURET), patients with advanced RET-rearranged NSCLC continuously received 300 mg of oral vandetanib daily. RET-positive patients were screened using a nationwide genomic screening network of about 200 participating institutions...
November 4, 2016: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/27821131/frequency-of-egfr-t790m-mutation-and-multimutational-profiles-of-rebiopsy-samples-from-non-small-cell-lung-cancer-developing-acquired-resistance-to-egfr-tyrosine-kinase-inhibitors-in-japanese-patients
#9
Ryo Ko, Hirotsugu Kenmotsu, Masakuni Serizawa, Yasuhiro Koh, Kazushige Wakuda, Akira Ono, Tetsuhiko Taira, Tateaki Naito, Haruyasu Murakami, Mitsuhiro Isaka, Masahiro Endo, Takashi Nakajima, Yasuhisa Ohde, Nobuyuki Yamamoto, Kazuhisa Takahashi, Toshiaki Takahashi
BACKGROUND: The majority of non-small cell lung cancer (NSCLC) patients with epidermal growth factor receptor (EGFR) mutation eventually develop resistance to EGFR tyrosine kinase inhibitors (TKIs). Minimal information exists regarding genetic alterations in rebiopsy samples from Asian NSCLC patients who develop acquired resistance to EGFR-TKIs. METHODS: We retrospectively reviewed the medical records of patients with NSCLC harboring EGFR mutations who had undergone rebiopsies after developing acquired resistance to EGFR-TKIs...
November 8, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27817859/-lenvatinib-in-radioiodine-refractory-thyroid-carcinomas
#10
Christelle de la Fouchardiere
Differentiated thyroid cancers are usually cured by an appropriate surgery and a radioiodine remnant ablation. If metastases occur, successive radioiodine administrations and/or local treatments can be provided. Nevertheless, some patients will be, or become refractory to radioiodine. In case of significant and rapid progression of metastatic lesions, they will be candidate to kinase inhibitor treatments. Two agents are now approved in this situation: sorafenib and lenvatinib. Lenvatinib (Lenvima(®)) is a tyrosine kinase inhibitor (TKI) targeting the VEGFR1-3, FGFR 1-4, PDGFR-α, RET and c-kit...
November 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27815117/discovery-of-4-chloro-3-5-pyridin-3-yl-1-2-4-oxadiazole-3-yl-benzamides-as-novel-ret-kinase-inhibitors
#11
Mei Han, Shan Li, Jing Ai, Rong Sheng, Yongzhou Hu, Youhong Hu, Meiyu Geng
A series of novel 4-chloro-benzamides derivatives containing substituted five-membered heteroaryl ring were designed, synthesized and evaluated as RET kinase inhibitors for cancer therapy. Most of compounds exhibited moderate to high potency in ELISA-based kinase assay. In particular, compound I-8 containing 1,2,4-oxadiazole strongly inhibited RET kinase activity both in molecular and cellular level. In turn, I-8 inhibited cell proliferation driven by RET wildtype and gatekeeper mutation. The results implied that 4-chloro-3-(5-(pyridin-3-yl)-1,2,4-oxadiazole-3-yl)benzamides are promising lead compounds as novel RET kinase inhibitor for further investigation...
October 24, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27814560/identification-of-a-novel-5-amino-3-5-cyclopropylisoxazol-3-yl-1-isopropyl-1h-pyrazole-4-carboxamide-as-a-specific-ret-kinase-inhibitor
#12
Hojong Yoon, Injae Shin, Yunju Nam, Nam Doo Kim, Kyung-Bok Lee, Taebo Sim
Activating mutations of REarrange during Transfection (RET) kinase frequently occur in human thyroid and lung cancers. An enormous effort has been devoted to discover potent and selective inhibitors of RET. Selective and potent inhibitors against constitutively active RET mutants are rare to date as identification of selective RET inhibitors is challenging. In a recent effort we identified a novel and specific RET inhibitor of 5-aminopyrazole-4-carboxamide scaffold, which was designed to enhance the metabolic stability of the pyrazolopyrimidine scaffold...
October 22, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27807062/in-vitro-transforming-potential-intracellular-signaling-properties-and-sensitivity-to-a-kinase-inhibitor-sorafenib-of-ret-proto-oncogene-variants-glu511lys-ser649leu-and-arg886trp
#13
Hugo Prazeres, Joana P Couto, Fernando Rodrigues, João Vinagre, Joana Torres, Vitor Trovisco, Teresa C Martins, Manuel Sobrinho-Simões, Paula Soares
No abstract text is available yet for this article.
December 2016: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27798861/antiangiogenic-therapy-in-pancreatic-neuroendocrine-tumors
#14
REVIEW
Monica Capozzi, Claudia VON Arx, Chiara DE Divitiis, Alessandro Ottaiano, Fabiana Tatangelo, Giovanni Maria Romano, Salvatore Tafuto
In recent years, many progresses have been pursued in the management of advanced pancreatic neuroendocrine tumor (pNET); most of them were prompted by increasing knowledge of biology of these neoplasms, including the identification of promising biological targets for therapy. PNETs belong to a group of rare neoplastic diseases. They originate from neuroendocrine system cells and are very heterogeneous regarding anatomic localization and aggressiveness. Recently, many efforts have been particularly focused on the identification of pathologic pathways and innovative drugs in order to treat patients with unresectable, metastatic disease, in progressive well-differentiated pNETs...
October 2016: Anticancer Research
https://www.readbyqxmd.com/read/27796394/mapping-lung-tumor-cell-drug-responses-as-a-function-of-matrix-context-and-genotype-using-cell-microarrays
#15
Kerim B Kaylan, Stefan D Gentile, Lauren E Milling, Kaustubh N Bhinge, Farhad Kosari, Gregory H Underhill
Carcinoma progression is influenced by interactions between epithelial tumor cells and components of their microenvironment. In particular, cell-extracellular matrix (ECM) interactions are known to drive tumor growth, metastatic potential, and sensitivity or resistance to therapy. Yet the intrinsic complexity of ECM composition within the tumor microenvironment remains a barrier to comprehensive investigation of these interactions. We present here a high-throughput cell microarray-based approach to study the impact of defined combinations of ECM proteins on tumor cell drug responses...
October 31, 2016: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/27753862/br-02-2-hypertension-management-in-cancer-patients-undergoing-chemotherapy
#16
Naftali Stern
As both the rate of hypertension and cancer rise with age, concomitant hypertension in patients receiving treatment for cancer is very common. Increase in blood pressure during cancer treatment requires careful clinical assessment. Distinction between discontinuation or malabsorption of antihypertensive treatment due to factors such as nausea/vomiting/diarrhea and anti-cancer drug specific effects must be first made. De-novo hypertension during cancer treatment is likely related to anticancer drugs per se. Classical chemotherapeutic agents such as cyclophosphamide, cisplatin and busulfan have been previously linked to rising blood pressure...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27716285/safety-pharmacokinetics-and-antitumor-properties-of-anlotinib-an-oral-multi-target-tyrosine-kinase-inhibitor-in-patients-with-advanced-refractory-solid-tumors
#17
Yongkun Sun, Wei Niu, Feng Du, Chunxia Du, Shuting Li, Jinwan Wang, Li Li, Fengqing Wang, Yu Hao, Chuan Li, Yihebali Chi
BACKGROUND: Anlotinib is a novel multi-target tyrosine kinase inhibitor that is designed to primarily inhibit VEGFR2/3, FGFR1-4, PDGFR α/β, c-Kit, and Ret. We aimed to evaluate the safety, pharmacokinetics, and antitumor activity of anlotinib in patients with advanced refractory solid tumors. METHODS: Anlotinib (5-16 mg) was orally administered in patients with solid tumor once a day on two schedules: (1) four consecutive weeks (4/0) or (2) 2-week on/1-week off (2/1)...
October 4, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27712045/systematic-analysis-of-tyrosine-kinase-inhibitor-response-to-ret-gatekeeper-mutations-in-thyroid-cancer
#18
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/27707976/proliferation-and-survival-of-embryonic-sympathetic-neuroblasts-by-mycn-and-activated-alk-signaling
#19
Marco Kramer, Diogo Ribeiro, Marie Arsenian-Henriksson, Thomas Deller, Hermann Rohrer
: Neuroblastoma (NB) is a childhood tumor that arises from the sympathoadrenal lineage. MYCN amplification is the most reliable marker for poor prognosis and MYCN overexpression in embryonic mouse sympathetic ganglia results in NB-like tumors. MYCN cooperates with mutational activation of anaplastic lymphoma kinase (ALK), which promotes progression to NB, but the role of MYCN and ALK in tumorigenesis is still poorly understood. Here, we use chick sympathetic neuroblasts to examine the normal function of MYCN and MYC in the control of neuroblast proliferation, as well as effects of overexpression of MYCN, MYC, and activated ALK, alone and in combination...
October 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27704266/phase-2-study-of-lenvatinib-in-patients-with-advanced-hepatocellular-carcinoma
#20
Kenji Ikeda, Masatoshi Kudo, Seiji Kawazoe, Yukio Osaki, Masafumi Ikeda, Takuji Okusaka, Toshiyuki Tamai, Takuya Suzuki, Takashi Hisai, Seiichi Hayato, Kiwamu Okita, Hiromitsu Kumada
BACKGROUND: Lenvatinib is an oral inhibitor of vascular endothelial growth factor receptor 1-3, fibroblast growth factor receptor 1-4, platelet-derived growth factor receptor alpha, RET, and KIT. This phase 2, single-arm, open-label multicenter study evaluated lenvatinib in advanced hepatocellular carcinoma (HCC). METHODS: Patients with histologically/clinically confirmed advanced HCC who did not qualify for surgical resection or local therapies received lenvatinib at a dosage of 12 mg once daily (QD) in 28-day cycles...
October 4, 2016: Journal of Gastroenterology
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