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Carfilzomib

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https://www.readbyqxmd.com/read/29349597/drug-repurposing-screening-identifies-bortezomib-and-panobinostat-as-drugs-targeting-cancer-associated-fibroblasts-cafs-by-synergistic-induction-of-apoptosis
#1
Hak-Min Lee, Eunmyong Lee, So-Young Yeo, Sang Shin, Hyun-Kyu Park, Do-Hyun Nam, Seok-Hyung Kim
Cancer associated fibroblasts (CAFs) are the most abundant components of cancer-microenvironment. They play important roles in cancer initiation, progression, and metastasis. In addition, CAFs can confer drug-resistance to cancer cells. Considering their pro-tumorigenic roles, it is recommended to remove CAFs to prevent cancer recurrence after chemotherapy. Despite their clinical significance, few anti-CAF drugs have been developed. The objective of this study was to find a drug that could suppress the viability of patient-derived CAFs through repurposed screening of 51 drugs that were in clinical trials or received FDA approval...
January 18, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29341834/improvement-in-overall-survival-with-carfilzomib-lenalidomide-and-dexamethasone-in-patients-with-relapsed-or-refractory-multiple-myeloma
#2
David S Siegel, Meletios A Dimopoulos, Heinz Ludwig, Thierry Facon, Hartmut Goldschmidt, Andrzej Jakubowiak, Jesus San-Miguel, Mihaela Obreja, Julie Blaedel, A Keith Stewart
Purpose In the ASPIRE study of carfilzomib, lenalidomide, and dexamethasone (KRd) versus lenalidomide plus dexamethasone (Rd) in patients with relapsed or refractory multiple myeloma, progression-free survival was significantly improved in the carfilzomib group (hazard ratio, 0.69; two-sided P < .001). This prespecified analysis reports final overall survival (OS) data and updated safety results. Patients and Methods Adults with relapsed multiple myeloma (one to three prior lines of therapy) were eligible and randomly assigned at a one-to-one ratio to receive KRd or Rd in 28-day cycles until withdrawal of consent, disease progression, or occurrence of unacceptable toxicity...
January 17, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29327347/unique-anti-myeloma-activity-by-thiazolidine-2-4-dione-compounds-with-pim-inhibiting-activity
#3
Shiro Fujii, Shingen Nakamura, Asuka Oda, Hirokazu Miki, Hirofumi Tenshin, Jumpei Teramachi, Masahiro Hiasa, Ariunzaya Bat-Erdene, Yusaku Maeda, Masahiro Oura, Mamiko Takahashi, Masami Iwasa, Itsuro Endo, Sumiko Yoshida, Ken-Ichi Aihara, Kiyoe Kurahashi, Takeshi Harada, Kumiko Kagawa, Michiyasu Nakao, Shigeki Sano, Masahiro Abe
Proviral Integrations of Moloney virus 2 (PIM2) is overexpressed in multiple myeloma (MM) cells, and regarded as an important therapeutic target. Here, we aimed to validate the therapeutic efficacy of different types of PIM inhibitors against MM cells for their possible clinical application. Intriguingly, the thiazolidine-2,4-dione-family compounds SMI-16a and SMI-4a reduced PIM2 protein levels and impaired MM cell survival preferentially in acidic conditions, in contrast to other types of PIM inhibitors, including AZD1208, CX-6258 and PIM447...
January 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29305052/progress-curve-analysis-of-the-kinetics-of-slow-binding-anticancer-drug-inhibitors-of-the-20s-proteasome
#4
Brian B Hasinoff
Bortezomib, carfilzomib, ixazomib, oprozomib, and delanzomib are anticancer drugs that target the proteasomal system. Carfilzomib and oprozomib are epoxyketones that form an irreversible covalent bond with the 20S proteasome, whereas bortezomib, ixazomib, and delanzomib are boronic acids that form slowly reversible adducts. The binding kinetics of some of these drugs have either not been well characterized, or have been studied under a variety of different conditions. Utilizing a fluorogenic substrate the kinetics of the slow-binding inhibition of the chymotrypsin-like proteasomal activity of human 20S proteasome was determined under a standard set of conditions in order to compare the kinetic and equilibrium properties of these drugs...
January 2, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29296960/cardiac-and-renal-complications-of-carfilzomib-in-patients-with-multiple-myeloma
#5
Meletios A Dimopoulos, Maria Roussou, Maria Gavriatopoulou, Erasmia Psimenou, Dimitrios Ziogas, Evangelos Eleutherakis-Papaiakovou, Despina Fotiou, Magdalini Migkou, Nikolaos Kanellias, Ioannis Panagiotidis, Argyrios Ntalianis, Elektra Papadopoulou, Kimon Stamatelopoulos, Efstathios Manios, Constantinos Pamboukas, Sofoklis Kontogiannis, Evangelos Terpos, Efstathios Kastritis
Clinical trials with carfilzomib have indicated a low but reproducible incidence of cardiovascular and renal toxicities. Among 60 consecutive myeloma patients treated with carfilzomib-based regimens who were thoroughly evaluated for cardiovascular risk factors, 12% (95% confidence interval, 3.8%-20%) experienced a reversible reduction of left ventricular ejection fraction (LVEF) by ≥20%, an objective measure of cardiac dysfunction. The incidence of LVEF reduction was 5% at 3 months, 8% at 6 months, 10% at 12 months, and 12% at 15 months, whereas the respective carfilzomib discontinuation rate unrelated to toxicity was 17%, 35%, 41%, and 49%...
February 28, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296944/recent-trends-in-multiple-myeloma-incidence-and-survival-by-age-race-and-ethnicity-in-the-united-states
#6
Luciano J Costa, Ilene K Brill, James Omel, Kelly Godby, Shaji K Kumar, Elizabeth E Brown
Prior improvements in multiple myeloma (MM) survival were not fully observed in racial and ethnic minorities and older individuals. We hypothesized that improvements in MM management in recent years have reduced these disparities. We used the Surveillance, Epidemiology, and End Results registries to calculate the incidence and relative survival rates (RSRs) of MM in the United States for patients diagnosed from 1993 to 1997 (prethalidomide), 1998 to 2002 (introduction of thalidomide), 2003 to 2007 (bortezomib and lenalidomide), and 2008 to 2012 (upfront bortezomib and lenalidomide, early availability of carfilzomib and pomalidomide)...
January 10, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296837/baseline-mutational-patterns-and-sustained-mrd-negativity-in-patients-with-high-risk-smoldering-myeloma
#7
Sham Mailankody, Dickran Kazandjian, Neha Korde, Mark Roschewski, Elisabet Manasanch, Manisha Bhutani, Nishant Tageja, Mary Kwok, Yong Zhang, Adriana Zingone, Laurence Lamy, Rene Costello, Candis Morrison, Malin Hultcrantz, Austin Christofferson, Megan Washington, Martin Boateng, Seth M Steinberg, Maryalice Stetler-Stevenson, William D Figg, Elli Papaemmanuil, Wyndham H Wilson, Jonathan J Keats, Ola Landgren
Early results of a prospective phase 2 clinical trial of carfilzomib, lenalidomide, and dexamethasone followed by lenalidomide maintenance in high-risk smoldering myeloma showed promising results that were previously published. Here, we provide novel insights into the genetic landscape of high-risk smoldering myeloma and information on sustained minimal residual disease (MRD) negativity with an expanded cohort of patients. Eighteen patients with high-risk smoldering myeloma were enrolled between 29 May 2012, and 14 January 2014...
October 10, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296798/a-phase-2-study-of-panobinostat-with-lenalidomide-and-weekly-dexamethasone-in-myeloma
#8
Ajai Chari, Hearn J Cho, Amishi Dhadwal, Gillian Morgan, Lisa La, Katarzyna Zarychta, Donna Catamero, Erika Florendo, Nadege Stevens, Daniel Verina, Elaine Chan, Violetta Leshchenko, Alessandro Laganà, Deepak Perumal, Anna Huo-Chang Mei, Kaity Tung, Jami Fukui, Sundar Jagannath, Samir Parekh
Phase 3 studies combining histone deacetylase inhibitors with bortezomib were hampered by gastrointestinal (GI) intolerance, which was not observed when combined with immunomodulatory drugs. This study is a single-center phase 2 study of panobinostat with lenalidomide and dexamethasone (FRD). Twenty-seven relapsed multiple myeloma patients were enrolled. Twenty-two patients (81%) were lenalidomide refractory and 9 (33%), 14 (52%), and 7 (26%) were refractory to pomalidomide, bortezomib, and carfilzomib, respectively...
August 22, 2017: Blood Advances
https://www.readbyqxmd.com/read/29291406/bax%C3%AE-2-sensitizes-colorectal-cancer-cells-to-proteasome-inhibitor-induced-cell-death
#9
Adriana Mañas, Wenjing Chen, Adam Nelson, Qi Yao, Jialing Xiang
Proteasome inhibitors, such as bortezomib and carfilzomib, are FDA approved for the treatment of hemopoietic cancers, but recent studies have shown their great potential for treatment of solid tumors. BaxΔ2, a unique proapoptotic Bax isoform, promotes non-mitochondrial cell death and sensitizes cancer cells to chemotherapy. However, endogenous BaxΔ2 proteins are unstable and susceptible to proteasomal degradation. Here, we screened a panel of proteasome inhibitors in colorectal cancer cells with different Bax statuses...
December 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29290170/cost-effectiveness-of-drugs-to-treat-relapsed-refractory-multiple-myeloma-in-the-united-states
#10
Josh J Carlson, Gregory F Guzauskas, Richard H Chapman, Patricia G Synnott, Shanshan Liu, Elizabeth T Russo, Steven D Pearson, Elizabeth D Brouwer, Daniel A Ollendorf
BACKGROUND: New 3-drug regimens have been developed and approved to treat multiple myeloma (MM). The absence of direct comparative data and the high cost of treatment support the need to assess the relative clinical and economic outcomes across all approved regimens. OBJECTIVE: To evaluate the cost-effectiveness of treatments for relapsed and/or refractory MM from a U.S. health system perspective. METHODS: We developed a partition survival model with 3 health states (progression-free, progression, and death) to evaluate the following regimens: carfilzomib (CFZ), elotuzumab (ELO), ixazomib (IX), daratumumab (DAR), and panobinostat (PAN) in combination with lenalidomide (LEN) or bortezomib (BOR) plus dexamethasone (DEX) in the second and/or third line of therapy...
January 2018: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/29290169/evaluating-oncology-value-based-frameworks-in-the-u-s-marketplace-and-challenges-in-real-world-application-a-multiple-myeloma-test-case
#11
Laurence M Djatche, Joseph A Goble, Grace Chun, Stefan Varga
BACKGROUND: With the continuous rise in costs for oncology drugs, the American Society of Clinical Oncology (ASCO), the Institute for Clinical and Economic Review (ICER), the Memorial Sloan Kettering Cancer Center's Drug Abacus (DrugAbacus), and the National Comprehensive Cancer Network (NCCN) have developed value-based frameworks (VBFs) to assist stakeholders in formulary and treatment decision-making processes. Since emerging VBFs have the potential to affect available treatment options for patients, it is important to understand the differences associated with these VBFs within various therapeutic areas...
January 2018: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/29286073/proteasome-inhibition-protects-against-diet-induced-gallstone-formation-through-modulation-of-cholesterol-and-bile-acid-homeostasis
#12
Eun-Ji Lee, Min Hee Kim, Ye-Ryung Kim, Joo-Won Park, Woo-Jae Park
Gallstone disease is one of the most prevalent and costly gastrointestinal disorders worldwide. Gallstones are formed in the biliary system by cholesterol secretions in bile, which result from excess cholesterol, a deficiency in bile salts or a combination of the two. The present study examined the effects of proteasome inhibition on gallstone formation using the proteasome inhibitors bortezomib (BT) and carfilzomib (CF). C57BL/6J mice were fed a lithogenic diet to generate gallstones and injected with BT or CF for 12 weeks...
December 15, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29285538/carfilzomib-associated-cardiovascular-adverse-events-a-systematic-review-and-meta-analysis
#13
Adam J Waxman, Suparna Clasen, Wei-Ting Hwang, Alfred Garfall, Dan T Vogl, Joseph Carver, Rupal O'Quinn, Adam D Cohen, Edward A Stadtmauer, Bonnie Ky, Brendan M Weiss
Importance: Cardiovascular adverse events (CVAE) with carfilzomib in patients with multiple myeloma can be potentially life-threatening and remain incompletely characterized. We performed the first systematic review and meta-analysis of carfilzomib-associated CVAE. Objective: To determine the incidence of carfilzomib-associated CVAE and to compare the rates of carfilzomib CVAE among different doses and companion therapies. Data Sources: PubMed, EMBASE, Web of Science, and clinicaltrials...
December 28, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29259189/milder-degenerative-effects-of-carfilzomib-vs-bortezomib-in-the-drosophila-model-a-link-to-clinical-adverse-events
#14
Eleni N Tsakiri, Evangelos Terpos, Eleni-Dimitra Papanagnou, Efstathios Kastritis, Vincent Brieudes, Maria Halabalaki, Tina Bagratuni, Bogdan I Florea, Herman S Overkleeft, Luca Scorrano, Alexios-Leandros Skaltsounis, Meletios A Dimopoulos, Ioannis P Trougakos
Proteasome inhibitors, e.g. Bortezomib (BTZ) and Carfilzomib (CFZ), have demonstrated clinical efficacy against haematological cancers. Interestingly, several adverse effects are less common, compared to BTZ, in patients treated with CFZ. As the molecular details of these observations remain not well understood we assayed the pathophysiological effects of CFZ vs. BTZ in the Drosophila experimental model. Mass Spectrometry analyses showed that neither CFZ nor BTZ are hydrolysed in flies' tissues, while at doses inducing similar inhibition of the rate limiting for protein breakdown chymotrypsin-like (CT-L) proteasomal activity, CFZ treatment resulted in less intense increase of oxidative stress or activation of antioxidant and proteostatic modules...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29236701/anti-leukemic-activity-of-bortezomib-and-carfilzomib-on-b-cell-precursor-all-cell-lines
#15
Kazuya Takahashi, Takeshi Inukai, Toshihiko Imamura, Mio Yano, Chihiro Tomoyasu, David M Lucas, Atsushi Nemoto, Hiroki Sato, Meixian Huang, Masako Abe, Keiko Kagami, Tamao Shinohara, Atsushi Watanabe, Shinpei Somazu, Hiroko Oshiro, Koshi Akahane, Kumiko Goi, Jiro Kikuchi, Yusuke Furukawa, Hiroaki Goto, Masayoshi Minegishi, Shotaro Iwamoto, Kanji Sugita
Prognosis of childhood acute lymphoblastic leukemia (ALL) has been dramatically improved. However, prognosis of the cases refractory to primary therapy is still poor. Recent phase 2 study on the efficacy of combination chemotherapy with bortezomib (BTZ), a proteasome inhibitor, for refractory childhood ALL demonstrated favorable clinical outcomes. However, septic death was observed in over 10% of patients, indicating the necessity of biomarkers that could predict BTZ sensitivity. We investigated in vitro BTZ sensitivity in a large panel of ALL cell lines that acted as a model system for refractory ALL, and found that Philadelphia chromosome-positive (Ph+) ALL, IKZF1 deletion, and biallelic loss of CDKN2A were associated with favorable response...
2017: PloS One
https://www.readbyqxmd.com/read/29225827/gemcitabine-and-carfilzomib-induced-thrombotic-microangiopathy-eculizumab-as-a-life-saving-treatment
#16
Rahul Gosain, Amitoj Gill, Jacob Fuqua, Lesley H Volz, Mika R Kessans Knable, Ryan Bycroft, Sarah Seger, Rohit Gosain, Jorge A Rios, Ju-Hsien Chao
Drug-induced aHUS is rare; however, early diagnosis is vital to reduce morbidity and mortality. With confirmation of the diagnosis, eculizumab appears to be a viable treatment option to suppress the pro-inflammatory surge. Furthermore, adverse side effects of medications such as carfilzomib and gemcitabine should be considered in the appropriate settings.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29223572/curcumin-ameliorates-the-in-vitro-efficacy-of-carfilzomib-in-human-multiple-myeloma-u266-cells-targeting-p53-and-nf-%C3%AE%C2%BAb-pathways
#17
Alessandro Allegra, Antonio Speciale, Maria Sofia Molonia, Letterio Guglielmo, Caterina Musolino, Guido Ferlazzo, Gregorio Costa, Antonella Saija, Francesco Cimino
Multiple myeloma (MM) is a malignant B-cell neoplasm with accumulation of malignant plasma cells in bone marrow. Pharmacological therapy improves response frequency even if with various associated toxicities. Herein, we investigated if combination of curcumin with carfilzomib (CFZ) can induce a better cytotoxic effect on in vitro cultured U266 cells. Cell viability data showed that curcumin significantly ameliorates CFZ cytotoxic effect. Furthermore, curcumin alone did not affect proteasome at the tested dose, confirming the involvement of different mechanisms in the observed effects...
December 6, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29222299/management-of-multiple-myeloma-in-the-relapsed-refractory-patient
#18
REVIEW
Pieter Sonneveld
The approach to the patient with relapsed or relapsed/refractory multiple myeloma requires a careful evaluation of the results of previous treatments, the toxicities associated with it, and an assessment of prognostic factors. The majority of patients will have received prior therapy with drug combinations, including a proteasome inhibitor and an immune-modulatory agent. It is the physician's task to choose the right moment for the start of therapy and decide with the patient which goals need to be achieved...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29202016/inhibition-of-ngly1-inactivates-the-transcription-factor-nrf1-and-potentiates-proteasome-inhibitor-cytotoxicity
#19
Frederick M Tomlin, Ulla I M Gerling-Driessen, Yi-Chang Liu, Ryan A Flynn, Janakiram R Vangala, Christian S Lentz, Sandra Clauder-Muenster, Petra Jakob, William F Mueller, Diana Ordoñez-Rueda, Malte Paulsen, Naoko Matsui, Deirdre Foley, Agnes Rafalko, Tadashi Suzuki, Matthew Bogyo, Lars M Steinmetz, Senthil K Radhakrishnan, Carolyn R Bertozzi
Proteasome inhibitors are used to treat blood cancers such as multiple myeloma (MM) and mantle cell lymphoma. The efficacy of these drugs is frequently undermined by acquired resistance. One mechanism of proteasome inhibitor resistance may involve the transcription factor Nuclear Factor, Erythroid 2 Like 1 (NFE2L1, also referred to as Nrf1), which responds to proteasome insufficiency or pharmacological inhibition by upregulating proteasome subunit gene expression. This "bounce-back" response is achieved through a unique mechanism...
November 22, 2017: ACS Central Science
https://www.readbyqxmd.com/read/29200420/the-effect-of-novel-therapies-in-high-molecular-risk-multiple-myeloma
#20
Guido Lancman, Douglas Tremblay, Kevin Barley, Bart Barlogie, Hearn Jay Cho, Sundar Jagannath, Deepu Madduri, Erin Moshier, Samir Parekh, Ajai Chari
Multiple myeloma is a heterogeneous disease with a prognosis that varies with patient factors, disease burden, tumor biology, and treatments. Certain molecular abnormalities confer a worse prognosis and thus are considered high-risk. These include t(4;14), del(17p), t(14;16), t(14;20), hypodiploidy, and gain(1q)/del(1p). In our previous review in 2013, we discussed the effect of available therapies on prognosis in these high-risk patients. Since then, seven phase 3 clinical trials in relapsed myeloma with 1 to 3 lines of therapy have been conducted, resulting in the approval of panobinostat, ixazomib, daratumumab, and elotuzumab, as well as additional data on carfilzomib...
November 2017: Clinical Advances in Hematology & Oncology: H&O
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