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Ribociclib

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https://www.readbyqxmd.com/read/28438180/recent-advances-of-highly-selective-cdk4-6-inhibitors-in-breast-cancer
#1
REVIEW
Hanxiao Xu, Shengnan Yu, Qian Liu, Xun Yuan, Sridhar Mani, Richard G Pestell, Kongming Wu
Uncontrolled cell division is the hallmark of cancers. Full understanding of cell cycle regulation would contribute to promising cancer therapies. In particular, cyclin-dependent kinases 4/6 (CDK4/6), which are pivotal drivers of cell proliferation by combination with cyclin D, draw more and more attention. Subsequently, extensive studies were carried out to explore drugs inhibiting CDK4/6 and assess the efficacy and safety of these drugs in cancer, especially breast cancer. Due to the insuperable adverse events and the less activity observed in vivo, the drug development of the initial pan-CDK inhibitor flavopiridol was consequently discontinued, and then highly specific inhibitors were extensively researched and developed, including palbociclib (PD0332991), ribociclib (LEE011), and abemaciclib (LY2835219)...
April 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28432176/a-phase-i-study-of-the-cdk4-6-inhibitor-ribociclib-lee011-in-pediatric-patients-with-malignant-rhabdoid-tumors-neuroblastoma-and-other-solid-tumors
#2
Birgit Geoerger, Franck Bourdeaut, Steven G DuBois, Matthias Fischer, James I Geller, Nicholas G Gottardo, Aurélien Marabelle, Andrew D J Pearson, Shakeel Modak, Thomas Cash, Giles W Robinson, Marlyane Motta, Alessandro Matano, Suraj G Bhansali, Jason R Dobson, Sudha Parasuraman, Susan N Chi
Purpose: The cyclin-dependent kinase (CDK) 4/6 inhibitor, ribociclib (LEE011), displayed preclinical activity in neuroblastoma and malignant rhabdoid tumor (MRT) models. In this phase I study, the maximum tolerated dose (MTD) and recommended phase II dose (RP2D), safety, pharmacokinetics (PK), and preliminary activity of single-agent ribociclib were investigated in pediatric patients with neuroblastoma, MRT, or other cyclin D-CDK4/6-INK4-retinoblastoma pathway-altered tumors.Experimental Design: Patients (aged 1-21 years) received escalating once-daily oral doses of ribociclib (3-weeks-on/1-week-off)...
April 21, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28417244/ribociclib-first-global-approval
#3
Yahiya Y Syed
Ribociclib is an oral, small-molecule inhibitor of cyclin-dependent kinase (CDK) 4 and 6 that is under development by Novartis for the treatment of cancer. CDKs play an important role in cell cycle progression and cellular proliferation, and inhibition of these kinases with ribociclib results in G1 phase cell-cycle arrest. Ribociclib, in combination with an aromatase inhibitor, was recently approved in the USA for the first-line treatment of advanced breast cancer and has been submitted for approval in the EU for this indication...
May 2017: Drugs
https://www.readbyqxmd.com/read/28395543/pharmacokinetic-drug-evaluation-of-ribociclib-for-the-treatment-of-metastatic-hormone-positive-breast-cancer
#4
Giuseppe Curigliano, Carmen Criscitiello, Angela Esposito, Mattia Intra, Saverio Minucci
Cyclin D-cyclin-dependent kinase (CDK) 4/6-inhibitor of CDK4/6-retinoblastoma (Rb) pathway hyperactivation is associated with hormone receptor-positive (HR+) breast cancer (BC). Ribociclib is an orally bioavailable, highly selective small molecule inhibitor of CDK4/6 that induces G1 arrest at sub-micromolar concentrations in a variety of pRb-positive cancer cells in vitro. Ribociclib is a new standard of care for metastatic HR+/HER2 negative metastatic breast cancer. Area covered: In this article, we review the preclinical and clinical development of ribociclib as well as discussing the role for novel applications of these agents outside the arena of HR-positive, HER2-negative advanced breast cancer...
May 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28382802/major-clinical-research-advances-in-gynecologic-cancer-in-2016-10-year-special-edition
#5
REVIEW
Dong Hoon Suh, Miseon Kim, Kidong Kim, Hak Jae Kim, Kyung Hun Lee, Jae Weon Kim
In 2016, 13 topics were selected as major research advances in gynecologic oncology. For ovarian cancer, study results supporting previous ones regarding surgical preventive strategies were reported. There were several targeted agents that showed comparable responses in phase III trials, including niraparib, cediranib, and nintedanib. On the contrary to our expectations, dose-dense weekly chemotherapy regimen failed to prove superior survival outcomes compared with conventional triweekly regimen. Single-agent non-platinum treatment to prolong platinum-free-interval in patients with recurrent, partially platinum-sensitive ovarian cancer did not improve and even worsened overall survival (OS)...
May 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28359238/hr-her2-advanced-breast-cancer-and-cdk4-6-inhibitors-mode-of-action-clinical-activity-and-safety-profiles
#6
Sarah L Sammons, Donna L Topping, Kimberly L Blackwell
Cyclin-dependent kinase (CDK) 4/6 inhibitor-based therapies have shown great promise in improving clinical outcomes for patients with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer. Addition of a CDK4/6 inhibitor to endocrine therapy increases efficacy and delays disease progression. Successful use of CDK4/6 inhibitor-based therapies in the clinic requires insight into the unique side-effect profiles of this class of agents and effective patient monitoring...
March 30, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28356261/ribociclib-approved-for-advanced-breast-cancer
#7
(no author information available yet)
The FDA has approved ribociclib combined with aromatase inhibitor therapy for women with metastatic HR-positive, HER2-negative breast cancer. It is the second CDK 4/6 inhibitor approved for these patients, behind palbociclib; a third is under investigation.
March 29, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28351928/ribociclib-lee011-mechanism-of-action-and-clinical-impact-of-this-selective-cyclin-dependent-kinase-4-6-inhibitor-in-various-solid-tumors
#8
Debu Tripathy, Aditya Bardia, William R Sellers
The cyclin D-cyclin-dependent kinase (CDK) 4/6-p16-retinoblastoma (Rb) pathway is commonly disrupted in cancer, leading to abnormal cell proliferation. Therapeutics targeting this pathway have demonstrated antitumor effects in preclinical and clinical studies. Ribociclib is a selective, orally bioavailable inhibitor of CDK4 and CDK6, which was granted priority review by the US Food and Drug Administration in November 2016, and is set to enter the treatment landscape alongside other CDK4/6 inhibitors, including palbociclib and abemaciclib...
March 28, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28249908/kinome-wide-rna-interference-screen-reveals-a-role-for-pdk1-in-acquired-resistance-to-cdk4-6-inhibition-in-er-positive-breast-cancer
#9
Valerie M Jansen, Neil E Bhola, Joshua A Bauer, Luigi Formisano, Kyung-Min Lee, Katherine E Hutchinson, Agnieszka K Witkiewicz, Preston D Moore, Monica Valeria Estrada, Violeta Sanchez, Paula G Ericsson, Melinda Sanders, Paula R Pohlmann, Michael J Pishvaian, David A Riddle, Wenyi Wei, Teresa C Dugger, Erik Knudsen, Carlos L Arteaga
To discover mechanisms of resistance to CDK4/6 inhibitors, we used a kinome-wide siRNA screen to identify kinases that, when downregulated, promote sensitivity to ribociclib. We identified 3-phosphoinositide dependent protein kinase 1 (PDK1) as the top siRNA that sensitized ER+ MCF-7 cells to ribociclib. Pharmacological inhibition of PDK1 with GSK2334470 in combination with ribociclib or palbociclib, synergistically inhibited proliferation and increased apoptosis in a panel of ER+ breast cancer cell lines. Ribociclib-resistant MCF-7, T47D and HCC1428 cells, selected after chronic drug exposure, displayed increased levels of PDK1, P-RSK2, P-AKT and P-S6 compared to parental drug-sensitive cells...
March 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28226315/the-novel-cyclin-dependent-kinase-4-6-inhibitor-ribociclib-lee011-alone-and-in-dual-targeting-approaches-demonstrates-antitumoral-efficacy-in-neuroendocrine-tumors-in-vitro
#10
Elke Tatjana Aristizabal Prada, Svenja Noelting, Gerald Spoettl, Julian Maurer, Christoph Joseph Auernhammer
No abstract text is available yet for this article.
February 23, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28197838/the-growing-role-of-cdk4-6-inhibitors-in-treating-hormone-receptor-positive-advanced-breast-cancer
#11
REVIEW
Ami N Shah, Massimo Cristofanilli
Single-agent endocrine therapy has been the standard therapeutic choice for the management of hormone receptor (HR)-positive, Her2-negative advanced breast cancer (ABC) for decades. However, the rapidly accumulating data regarding the biological role and safety of CDK4/6 inhibitors and the first-in-class approval of palbociclib have made these novel agents an essential component of treatment for HR-positive ABC. In the frontline setting, palbociclib in combination with endocrine therapy showed an improvement in progression-free survival (PFS) by 10 months to nearly 25 months when compared with endocrine therapy alone and a clinical benefit rate (CBR = stable disease >24 weeks + partial response + complete response) of 85%...
January 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28126188/-cell-cycle-inhibitors-in-endocrine-receptor-positive-breast-cancer
#12
Marie-Paule Sablin, Francesco Ricci, Delphine Loirat, Aude Jobard, Clémence Basse, Emanuela Romano, Christophe Le Tourneau, Véronique Dieras
Dysregulation of cellular cycle is a key component of carcinogenesis and its targeting represents an interesting approach. Recently, the development of selective inhibitors of the cycle targeting the cyclin-dependent kinases (CDK) 4 and 6 revived interest in this therapeutic class after the failure of pan-inhibitors. Palbociclib, ribociclib, and abemaciclib are the 3 drugs with the most advanced development. They demonstrated preclinical activity in luminal breast cancer models and are under clinical evaluation...
February 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/27986745/dual-alk-and-cdk4-6-inhibition-demonstrates-synergy-against-neuroblastoma
#13
Andrew C Wood, Kateryna Krytska, Hannah T Ryles, Nicole R Infarinato, Renata Sano, Theodore D Hansel, Lori S Hart, Frederick J King, Timothy R Smith, Edward Ainscow, Kathryn B Grandinetti, Tove Tuntland, Sunkyu Kim, Giordano Caponigro, You Qun He, Shiva Krupa, Nanxin Li, Jennifer L Harris, Yaël P Mossé
Purpose: Anaplastic lymphoma kinase (ALK) is the most frequently mutated oncogene in the pediatric cancer neuroblastoma. We performed an in vitro screen for synergistic drug combinations that target neuroblastomas with mutations in ALK to determine whether drug combinations could enhance antitumor efficacy.Experimental Design: We screened combinations of eight molecularly targeted agents against 17 comprehensively characterized human neuroblastoma-derived cell lines. We investigated the combination of ceritinib and ribociclib on in vitro proliferation, cell cycle, viability, caspase activation, and the cyclin D/CDK4/CDK6/RB and pALK signaling networks in cell lines with representative ALK status...
December 16, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27810861/ribociclib-lengthens-breast-cancer-survival
#14
(no author information available yet)
The combination of antiestrogen therapy and ribociclib, an investigational CDK4/6 inhibitor, led to improved outcomes in women with metastatic HR-positive, HER2-negative breast cancer, according to findings presented at a meeting of the European Society for Medical Oncology. The combination significantly increased progression-free survival compared with letrozole alone in a large phase III trial-data that could lead to FDA approval.
December 2016: Cancer Discovery
https://www.readbyqxmd.com/read/27746106/ribociclib-in-hr-positive-her2-negative-breast-cancer
#15
Talha Khan Burki
No abstract text is available yet for this article.
October 13, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27729458/preclinical-therapeutic-synergy-of-mek1-2-and-cdk4-6-inhibition-in-neuroblastoma
#16
Lori S Hart, JulieAnn Rader, Pichai Raman, Vandana Batra, Mike R Russell, Matthew Tsang, Maria Gagliardi, Lucy Chen, Daniel Martinez, Yimei Li, Andrew Wood, Sunkyu Kim, Sudha Parasuraman, Scott Delach, Kristina A Cole, Shiva Krupa, Markus Boehm, Malte Peters, Giordano Caponigro, John M Maris
PURPOSE: Neuroblastoma is treated with aggressive multimodal therapy, yet more than 50% of patients experience relapse. We recently showed that relapsed neuroblastomas frequently harbor mutations leading to hyperactivated ERK signaling and sensitivity to MEK inhibition therapy. Here we sought to define a synergistic therapeutic partner to potentiate MEK inhibition. EXPERIMENTAL DESIGN: We first surveyed 22 genetically annotated human neuroblastoma-derived cell lines (from 20 unique patients) for sensitivity to the MEK inhibitor binimetinib...
October 11, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27717303/ribociclib-as-first-line-therapy-for-hr-positive-advanced-breast-cancer
#17
RANDOMIZED CONTROLLED TRIAL
Gabriel N Hortobagyi, Salomon M Stemmer, Howard A Burris, Yoon-Sim Yap, Gabe S Sonke, Shani Paluch-Shimon, Mario Campone, Kimberly L Blackwell, Fabrice André, Eric P Winer, Wolfgang Janni, Sunil Verma, Pierfranco Conte, Carlos L Arteaga, David A Cameron, Katarina Petrakova, Lowell L Hart, Cristian Villanueva, Arlene Chan, Erik Jakobsen, Arnd Nusch, Olga Burdaeva, Eva-Maria Grischke, Emilio Alba, Erik Wist, Norbert Marschner, Anne M Favret, Denise Yardley, Thomas Bachelot, Ling-Ming Tseng, Sibel Blau, Fengjuan Xuan, Farida Souami, Michelle Miller, Caroline Germa, Samit Hirawat, Joyce O'Shaughnessy
BACKGROUND: The inhibition of cyclin-dependent kinases 4 and 6 (CDK4/6) could potentially overcome or delay resistance to endocrine therapy in advanced breast cancer that is positive for hormone receptor (HR) and negative for human epidermal growth factor receptor 2 (HER2). METHODS: In this randomized, placebo-controlled, phase 3 trial, we evaluated the efficacy and safety of the selective CDK4/6 inhibitor ribociclib combined with letrozole for first-line treatment in 668 postmenopausal women with HR-positive, HER2-negative recurrent or metastatic breast cancer who had not received previous systemic therapy for advanced disease...
November 3, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27542767/a-phase-i-study-of-the-cyclin-dependent-kinase-4-6-inhibitor-ribociclib-lee011-in-patients-with-advanced-solid-tumors-and-lymphomas
#18
Jeffrey R Infante, Philippe A Cassier, John F Gerecitano, Petronella O Witteveen, Rashmi Chugh, Vincent Ribrag, Abhijit Chakraborty, Alessandro Matano, Jason R Dobson, Adam S Crystal, Sudha Parasuraman, Geoffrey I Shapiro
PURPOSE: Ribociclib (an oral, highly specific cyclin-dependent kinase 4/6 inhibitor) inhibits tumor growth in preclinical models with intact retinoblastoma protein (Rb(+)). This first-in-human study investigated the MTD, recommended dose for expansion (RDE), safety, preliminary activity, pharmacokinetics, and pharmacodynamics of ribociclib in patients with Rb(+) advanced solid tumors or lymphomas. EXPERIMENTAL DESIGN: Patients received escalating doses of ribociclib (3-weeks-on/1-week-off or continuous)...
December 1, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27496135/spectrum-and-degree-of-cdk-drug-interactions-predicts-clinical-performance
#19
Ping Chen, Nathan V Lee, Wenyue Hu, Meirong Xu, Rose Ann Ferre, Hieu Lam, Simon Bergqvist, James Solowiej, Wade Diehl, You-Ai He, Xiu Yu, Asako Nagata, Todd VanArsdale, Brion W Murray
Therapeutically targeting aberrant intracellular kinase signaling is attractive from a biological perspective but drug development is often hindered by toxicities and inadequate efficacy. Predicting drug behaviors using cellular and animal models is confounded by redundant kinase activities, a lack of unique substrates, and cell-specific signaling networks. Cyclin-dependent kinase (CDK) drugs exemplify this phenomenon because they are reported to target common processes yet have distinct clinical activities...
October 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27493615/clinical-development-of-the-cdk4-6-inhibitors-ribociclib-and-abemaciclib-in-breast-cancer
#20
REVIEW
Romualdo Barroso-Sousa, Geoffrey I Shapiro, Sara M Tolaney
Clinical and preclinical data support a significant role for inhibitors of the cyclin-dependent kinases (CDKs) 4 and 6 in the treatment of patients with breast cancer. Recently, based on data showing improvement in progression-free survival, the use of palbociclib (Ibrance; Pfizer, Inc.) in combination with endocrine agents was approved to treat patients with hormone receptor-positive advanced disease. Importantly, 2 other CDK4/6 inhibitors, abemaciclib (LY2835219; Lilly) and ribociclib (LEE011; Novartis), are in the late stage of clinical development...
June 2016: Breast Care
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