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Carfilzomib

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https://www.readbyqxmd.com/read/28430175/carfilzomib-lenalidomide-dexamethasone-vs-lenalidomide-dexamethasone-in-relapsed-multiple-myeloma-by-previous-treatment
#1
M A Dimopoulos, A K Stewart, T Masszi, I Špička, A Oriol, R Hájek, L Rosiñol, D Siegel, G G Mihaylov, V Goranova-Marinova, P Rajnics, A Suvorov, R Niesvizky, A Jakubowiak, J San-Miguel, H Ludwig, S Ro, S Aggarwal, P Moreau, A Palumbo
Carfilzomib, a proteasome inhibitor, is approved as monotherapy and in combination with dexamethasone or lenalidomide-dexamethasone (Rd) for relapsed or refractory multiple myeloma. The approval of carfilzomib-lenalidomide-dexamethasone (KRd) was based on results from the randomized, phase 3 study ASPIRE (NCT01080391), which showed KRd significantly improved progression-free survival (PFS) vs Rd (median 26.3 vs 17.6 months; hazard ratio (HR)=0.690; P=0.0001). This subgroup analysis of ASPIRE evaluated KRd vs Rd by number of previous lines of therapy and previous exposure to bortezomib, thalidomide or lenalidomide...
April 21, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28424963/pharmacokinetics-and-safety-of-carfilzomib-in-patients-with-relapsed-multiple-myeloma-and-end-stage-renal-disease-esrd-an-open-label-single-arm-phase-i-study
#2
Hang Quach, Darrell White, Andrew Spencer, P Joy Ho, Divaya Bhutani, Mike White, Sandeep Inamdar, Chris Morris, Ying Ou, Martin Gyger
PURPOSE: The pharmacokinetics (PK) of carfilzomib have been previously studied in multiple myeloma patients with varying degrees of renal impairment (normal, mild, moderate, severe, and end-stage renal disease [ESRD]) at doses of 15 and 20 mg/m(2). This study evaluated carfilzomib PK at higher doses of 27 and 56 mg/m(2) in normal renal function and ESRD patients. METHODS: Patients received carfilzomib on two consecutive days/week for 3 weeks every 28-day cycle: 20 mg/m(2) (cycle 1 day 1-2), escalated to 27 mg/m(2) on cycle 1 day 8; if tolerated, 56 mg/m(2) starting cycle 2 day 1...
April 19, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28415782/glutaminase-inhibitor-cb-839-synergizes-with-carfilzomib-in-resistant-multiple-myeloma-cells
#3
Ravyn M Thompson, Dominik Dytfeld, Leticia Reyes, Reeder M Robinson, Brittany Smith, Yefim Manevich, Andrzej Jakubowiak, Mieczyslaw Komarnicki, Anna Przybylowicz-Chalecka, Tomasz Szczepaniak, Amit K Mitra, Brian G Van Ness, Magdalena Luczak, Nathan G Dolloff
Curative responses in the treatment of multiple myeloma (MM) are limited by the emergence of therapeutic resistance. To address this problem, we set out to identify druggable mechanisms that convey resistance to proteasome inhibitors (PIs; e.g., bortezomib), which are cornerstone agents in the treatment of MM. In isogenic pairs of PI sensitive and resistant cells, we observed stark differences in cellular bioenergetics between the divergent phenotypes. PI resistant cells exhibited increased mitochondrial respiration driven by glutamine as the principle fuel source...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404519/proteasome-inhibitors-to-alleviate-aberrant-ikbkap-mrna-splicing-and-low-ikap-help1-synthesis-in-familial-dysautonomia
#4
Mylène Hervé, El Chérif Ibrahim
FD is a rare neurodegenerative disorder caused by a mutation of the IKBKAP gene, which induces low expression levels of the Elongator subunit IKAP/hELP1 protein. A rational strategy for FD treatment could be to identify drugs increasing IKAP/hELP1 expression levels by blocking protein degradation pathways such as the 26S proteasome. Proteasome inhibitors are promising molecules emerging in cancer treatment and could thus constitute an enticing pharmaceutical strategy for FD treatment. Therefore, we tested three proteasome inhibitors on FD human olfactory ecto-mesenchymal stem cells (hOE-MSCs): two approved by the Food and Drug Administration (FDA) and European Medicines Agency (EMA), bortezomib and carfilzomib, as well as epoxomicin...
April 9, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28393136/development-of-%C3%AE-hairpin-peptides-for-the-measurement-of-scf-family-e3-ligase-activity-in-vitro-via-ornithine-ubiquitination
#5
Kaiulani M Houston, Adam T Melvin, Gregery S Woss, Effrat L Fayer, Marcey L Waters, Nancy L Allbritton
Regulation of the ubiquitin-proteasome system (UPS) to treat select types of cancer has become a popular area of drug discovery research. The FDA approval of proteasome inhibitors Bortezomib and Carfilzomib in the treatment of multiple myeloma has led to an increased need for chemical reporters capable of detecting and quantifying protein ubiquitination and the activity of members of the UPS including E3 ubiquitin ligases and the proteasome in the tumor cells of the patients. One limitation of peptide-based reporters is their rapid degradation in the cellular environment by cytosolic peptidases...
March 31, 2017: ACS Omega
https://www.readbyqxmd.com/read/28388244/which-therapies-will-move-to-the-front-line-for-multiple-myeloma
#6
María J Cejalvo, Javier de la Rubia
Despite substantial progress, multiple myeloma (MM) remains an incurable disease. Recently the availability of several novel drugs with different and innovative mechanisms of action (daratumumab, elotuzumab, carfilzomib, ixazomib, and panobinostat) has increased the therapeutic options but has also increased complexity in the management of patients with MM. Areas covered: The outstanding results observed in the relapsed setting with regimens including these new drugs has provided the investigators with several treatment options that are being tested also in patients with newly diagnosed MM...
April 7, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28357173/status-epilepticus-and-blindness-in-a-patient-with-carfilzomib-associated-posterior-reversible-encephalopathy-syndrome
#7
Salam Kadhem, Rawaa Ebrahem, Scott Cooper, Emily Manlove, Ricky Lee
Posterior reversible encephalopathy syndrome (PRES) is a neurological condition characterized by headaches, visual disturbances, and seizures. A magnetic resonance imaging (MRI) scan of an affected brain typically shows symmetrical white matter edema in the posterior cerebral hemispheres. The onset of PRES can constitute a medical emergency, especially when accompanied by status epilepticus. If promptly recognized and treated, the clinical syndrome and associated radiological findings are usually resolved in a matter of weeks or months...
February 19, 2017: Curēus
https://www.readbyqxmd.com/read/28340282/carfilzomib-induces-leukaemia-cell-apoptosis-via-inhibiting-elk1-kiaa1524-elk-1-cip2a-and-activating-pp2a-not-related-to-proteasome-inhibition
#8
Chun-Yu Liu, Feng-Shu Hsieh, Pei-Yi Chu, Wen-Chun Tsai, Chun-Teng Huang, Yuan-Bin Yu, Tzu-Ting Huang, Po-Shen Ko, Man-Hsin Hung, Wan-Lun Wang, Chung-Wai Shiau, Kuen-Feng Chen
Enhancing the tumour suppressive activity of protein phosphatase 2A (PP2A) has been suggested to be an anti-leukaemic strategy. KIAA1524 (also termed CIP2A), an oncoprotein inhibiting PP2A, is associated with disease progression in chronic myeloid leukaemia and may be prognostic in cytogenetically normal acute myeloid leukaemia. Here we demonstrated that the selective proteasome inhibitor, carfilzomib, induced apoptosis in sensitive primary leukaemia cells and in sensitive leukaemia cell lines, associated with KIAA1524 protein downregulation, increased PP2A activity and decreased p-Akt, but not with the proteasome inhibition effect of carfilzomib...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28333868/proteasome-inhibitor-induced-gastrointestinal-toxicity
#9
Romany L Stansborough, Rachel J Gibson
PURPOSE OF REVIEW: Gastrointestinal toxicities are commonly reported following treatment with proteasome inhibitors. The first-generation proteasome inhibitor, bortezomib, induces significant gastrointestinal side effects including nausea, vomiting, diarrhoea, and constipation, occurring in up to 84% of patients. Despite the development of safer proteasome inhibitors, such as carfilzomib, gastrointestinal toxicities remain some of the most common side effects. This review aims to summarize the previous literature on proteasome inhibitor-induced gastrointestinal toxicities, report on recent updates in the field, and investigate possible mechanisms of this toxicity...
March 22, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28325256/how-have-evolutions-in-strategies-for-the-treatment-of-relapsed-refractory-multiple-myeloma-translated-into-improved-outcomes-for-patients
#10
REVIEW
Pieter Sonneveld, Edwin De Wit, Philippe Moreau
Although multiple myeloma (MM) remains incurable, the introduction of novel agents has improved clinical outcomes dramatically over the past 15 years. Response rates have risen from ∼30% with single agents to up to 90% with combination therapies. The immunomodulatory drugs (IMiDs) thalidomide and lenalidomide, and the proteasome inhibitor bortezomib, form the foundations for treatment of relapsed and/or refractory MM (RRMM). Newer agents, such as the IMiD pomalidomide, the histone deacetylase inhibitor panobinostat and the proteasome inhibitors carfilzomib and ixazomib, as well as the monoclonal antibodies daratumumab and elotuzumab, have further improved overall response rates in these patients...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28318679/treatment-with-carfilzomib-should-these-patients-be-admitted-in-the-intensive-care-unit
#11
R Rodríguez-García, M J Espina, L Viña, I Astola, L López-Amor, D Escudero
No abstract text is available yet for this article.
March 16, 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/28314790/selinexor-kpt-330-induces-tumor-suppression-through-nuclear-sequestration-of-ikappab-and-down-regulation-of-survivin
#12
Jayasree S Nair, Elgilda Musi, Gary K Schwartz
PURPOSE: Selinexor, a small molecule that inhibits nuclear export protein XPO1 has demonstrated efficacy in solid tumors and hematologic malignancies with the evidence of clinical activity in sarcoma as a single agent. Treatment options available are very few and hence the need to identify novel targets and strategic therapies is of utmost importance. EXPERIMENTAL DESIGN: The mechanistic effects of selinexor in sarcomas as a monotherapy and in combination with proteasome inhibitor, carfilzomib, across a panel of cell lines in vitro and few in xenograft mouse models were investigated...
March 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28306371/carfilzomib-and-dexamethasone-vs-bortezomib-and-dexamethasone-in-patients-with-relapsed-multiple-myeloma-results-of-the-phase-3-study-endeavor-nct01568866-according-to-age-subgroup
#13
Heinz Ludwig, Meletios A Dimopoulos, Philippe Moreau, Wee-Joo Chng, Hartmut Goldschmidt, Roman Hájek, Thierry Facon, Ludek Pour, Ruben Niesvizky, Albert Oriol, Laura Rosiñol, Aleksandr Suvorov, Gianluca Gaidano, Tomas Pika, Katja Weisel, Vesselina Goranova-Marinova, Antonio Palumbo, Heidi H Gillenwater, Nehal Mohamed, Sanjay Aggarwal, Shibao Feng, Douglas Joshua
No abstract text is available yet for this article.
March 17, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28295593/carfilzomib-containing-combinations-as-frontline-therapy-for-multiple-myeloma-a-meta-analysis-of-13-trials
#14
Zhixin Sheng, Guifang Li, Bin Li, Yanju Liu, Lida Wang
OBJECTIVE: To investigate the activity and safety of carfilzomib-containing combinations as frontline therapy for multiple myeloma. METHODS: We searched published carfilzomib reports for newly diagnosed multiple myeloma. RESULTS: Thirteen trials were identified, covering 704 subjects. Pooled analysis showed that carfilzomib combinations as frontline therapy for multiple myeloma attained an impressive at least complete response (≥CR) rate of 21%, at least very good partial response (≥VGPR) rate of 68%, overall response rate (ORR) of 94%...
March 12, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28288323/anti-angiogenic-and-anti-multiple-myeloma-effects-of-oprozomib-opz-alone-and-in-combination-with-pomalidomide-pom-and-or-dexamethasone-dex
#15
REVIEW
Eric Sanchez, Mingjie Li, Cathy S Wang, George Tang, Abigail Gillespie, Haiming Chen, James R Berenson
Oprozomib (OPZ or ONYX 0912) is an irreversible, orally administered proteasome inhibitor (PI) and an analog of carfilzomib. We set out to determine the anti-angiogenic effect of OPZ using the choriollantoic membrane/feather bud (CAM/FB) model and its anti-MM effects using MM xenograft models (LAGκ-1A, LAGλ-1). OPZ significantly reduced blood vessel formation, endothelial gene and protein expression using the CAM/FB assay. In vivo, we determined the anti-MM effects of OPZ, dexamethasone (Dex) and pomalidomide (Pom) and showed that the combinations of two drugs (OPZ+Dex or OPZ+Pom) showed marked anti-MM effects when compared to monotherapy...
March 6, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28280367/clarifying-the-molecular-mechanism-associated-with-carfilzomib-resistance-in-human-multiple-myeloma-using-microarray-gene-expression-profile-and-genetic-interaction-network
#16
Zhihong Zheng, Tingbo Liu, Jing Zheng, Jianda Hu
Carfilzomib is a Food and Drug Administration-approved selective proteasome inhibitor for patients with multiple myeloma (MM). However, recent studies indicate that MM cells still develop resistance to carfilzomib, and the molecular mechanisms associated with carfilzomib resistance have not been studied in detail. In this study, to better understand its potential resistant effect and its underlying mechanisms in MM, microarray gene expression profile associated with carfilzomib-resistant KMS-11 and its parental cell line was downloaded from Gene Expression Omnibus database...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28273193/-drug-therapy-of-lymphomas
#17
Lajos Gergely
The therapy of lymphomas has undergone a major expansion during the last decade. Novel therapeutic targets have appeared beyond classical chemotherapeutic combinations. These novel drugs have very pronounced action across lymphoma types, and their toxicity profile is usually better tolerable compared to standard chemotherapies. These new therapies are enabling us to offer treatment to those patients who have refractory disease, and we had no option to treat them before these drugs. The author describes several new therapeutic options...
March 8, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28273121/polymer-micelle-formulation-for-the-proteasome-inhibitor-drug-carfilzomib-anticancer-efficacy-and-pharmacokinetic-studies-in-mice
#18
Ji Eun Park, Se-Eun Chun, Derek Reichel, Jee Sun Min, Su-Chan Lee, Songhee Han, Gongmi Ryoo, Yunseok Oh, Shin-Hyung Park, Heon-Min Ryu, Kyung Bo Kim, Ho-Young Lee, Soo Kyung Bae, Younsoo Bae, Wooin Lee
Carfilzomib (CFZ) is a peptide epoxyketone proteasome inhibitor approved for the treatment of multiple myeloma (MM). Despite the remarkable efficacy of CFZ against MM, the clinical trials in patients with solid cancers yielded rather disappointing results with minimal clinical benefits. Rapid degradation of CFZ in vivo and its poor penetration to tumor sites are considered to be major factors limiting its efficacy against solid cancers. We previously reported that polymer micelles (PMs) composed of biodegradable block copolymers poly(ethylene glycol) (PEG) and poly(caprolactone) (PCL) can improve the metabolic stability of CFZ in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28244987/capzimin-is-a-potent-and-specific-inhibitor-of-proteasome-isopeptidase-rpn11
#19
Jing Li, Tanya Yakushi, Francesco Parlati, Andrew L Mackinnon, Christian Perez, Yuyong Ma, Kyle P Carter, Sharon Colayco, Gavin Magnuson, Brock Brown, Kevin Nguyen, Stefan Vasile, Eigo Suyama, Layton H Smith, Eduard Sergienko, Anthony B Pinkerton, Thomas D Y Chung, Amy E Palmer, Ian Pass, Sonja Hess, Seth M Cohen, Raymond J Deshaies
The proteasome is a vital cellular machine that maintains protein homeostasis, which is of particular importance in multiple myeloma and possibly other cancers. Targeting of proteasome 20S peptidase activity with bortezomib and carfilzomib has been widely used to treat myeloma. However, not all patients respond to these compounds, and those who do eventually suffer relapse. Therefore, there is an urgent and unmet need to develop new drugs that target proteostasis through different mechanisms. We identified quinoline-8-thiol (8TQ) as a first-in-class inhibitor of the proteasome 19S subunit Rpn11...
May 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28243125/carfilzomib-boosted-combination-therapy-for-relapsed-multiple-myeloma
#20
REVIEW
Raphael E Steiner, Elisabet E Manasanch
Carfilzomib is a proteasome inhibitor that binds selectively and irreversibly to the 20S proteasome, the proteolytic core particle within the 26S proteasome, resulting in the accumulation of proteasome substrates and ultimately growth arrest and apoptosis of tumor cells. The development and ultimate approval of this medication by regulatory agencies has been an important step toward improving clinical outcomes in multiple myeloma. Although initially approved as a single agent for the treatment of multiply relapsed and/or refractory myeloma, in the USA, it is now widely used in the early relapse setting in combination with lenalidomide and dexamethasone...
2017: OncoTargets and Therapy
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