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https://www.readbyqxmd.com/read/29921750/mil-100-al-gels-as-an-excellent-platform-loaded-with-doxorubicin-hydrochloride-for-ph-triggered-drug-release-and-anticancer-effect
#1
Yuge Feng, Chengliang Wang, Fei Ke, Jianye Zang, Junfa Zhu
Slow and controlled release systems for drugs have attracted increasing interest recently. A highly efficient metal-organic gel (MOGs) drug delivery carrier, i.e., MIL-100(Al) gel, has been fabricated by a facile, low cost, and environmentally friendly one-pot process. The unique structure of MIL-100(Al) gels has led to a high loading efficiency (620 mg/g) towards doxorubicin hydrochloride (DOX) as a kind of anticancer drug. DOX-loaded MOGs exhibited high stability under physiological conditions and sustained release capacity of DOX for up to three days (under acidic environments)...
June 19, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29917168/evaluation-of-anticancer-agents-using-patient-derived-tumor-organoids-characteristically-similar-to-source-tissues
#2
Hirosumi Tamura, Arisa Higa, Hirotaka Hoshi, Gen Hiyama, Nobuhiko Takahashi, Masae Ryufuku, Gaku Morisawa, Yuka Yanagisawa, Emi Ito, Jun-Ichi Imai, Yuu Dobashi, Kiyoaki Katahira, Shu Soeda, Takafumi Watanabe, Keiya Fujimori, Shinya Watanabe, Motoki Takagi
Patient-derived tumor xenograft models represent a promising preclinical cancer model that better replicates disease, compared with traditional cell culture; however, their use is low-throughput and costly. To overcome this limitation, patient-derived tumor organoids (PDOs) were established from human lung, ovarian and uterine tumor tissues, among others, to accurately and efficiently recapitulate the tissue architecture and function. PDOs were able to be cultured for >6 months, and formed cell clusters with similar morphologies to their source tumors...
June 18, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29910659/value-assessment-in-oncology-drugs-funding-of-drugs-for-metastatic-breast-cancer-in-canada
#3
J Lemieux, S Audet
Background: Life expectancy for women with metastatic breast cancer has improved since the early 2000s, in part because of the introduction of novel therapies, including chemotherapy, hormonal therapy, and targeted agents. However, those treatments can come at a cost for the patient (short- and long-term toxicities from treatment) and at a financial cost for the health care system. Given the increase in the number of costly anticancer agents being introduced into the clinical setting, the American Society of Clinical Oncology (asco) and the European Society for Medical Oncology (esmo) have developed a system to quantify the value of new cancer treatments in terms of benefit, toxicities, and costs...
June 2018: Current Oncology
https://www.readbyqxmd.com/read/29909197/plasmonic-au-nanostar-raman-probes-coupling-with-highly-ordered-tio-2-au-nanotube-arrays-as-the-reliable-sers-sensing-platform-for-chronic-myeloid-leukemia-drug-evaluation
#4
Shengping Wen, Yu Su, Rong Wu, Shiwei Zhou, Qianhao Min, Gao-Chao Fan, Li-Ping Jiang, Rong-Bin Song, Jun-Jie Zhu
The accurate therapeutic evaluation for chronic myeloid leukemia (CML) drug is of great importance to minimize side effects and enhance efficacy. Herein, a facile and precise surface-enhanced scattering (SERS) approach based on coupled plasmonic field has been introduced to evaluate the therapeutic outcomes of antileukemia drug through ultrasensitive assay of caspase-3 activity in apoptotic cells. Caspase-3 as an apoptosis indicator could specifically cleave the N-terminus of biotinylated DEVD-peptide (biotin-Gly-Asp-Gly-Asp-Glu-Val-Asp-Gly-Cys) immobilized on the Au nanoparticle-decorated TiO2 nanotube arrays (TiO2 /Au NTAs) substrate...
June 2, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29903783/availability-and-affordability-of-biologic-versus-non-biologic-anticancer-medicines-a-cross-sectional-study-in-punjab-pakistan
#5
Anum Saqib, Sadia Iftikhar, Muhammad Rehan Sarwar
OBJECTIVES: Prime focus of this study was to evaluate the availability and affordability of originator brands (OBs) and lowest price generics (LPGs) of prescribed biologic and non-biologic anticancer medicines. DESIGN, SETTINGS AND PARTICIPANTS: A descriptive, cross-sectional survey was conducted in 22 cancer-care hospitals (18 public hospitals and 4 private hospitals) and 44 private pharmacies in Punjab, Pakistan. Sampling population consisted of 4483 patients with cancer aged ≥18 years...
June 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29883673/designing-effective-anticancer-radiopeptides-a-molecular-dynamics-study-of-their-interaction-with-model-tumor-and-healthy-cell-membranes
#6
E Capozzi, S Aureli, V Minicozzi, G C Rossi, F Stellato, S Morante
One of the greatest merit of the use of radiopeptides in oncology is their selectivity which, however, brings about the drawback that each radiopeptide is specific for a given tumor type. To overcome this problem the direction currently taken in drug design is that of radiolabelling peptide hormones (or their analogues), relying on their intrinsic ability to bind to specific receptors in precise areas of the human body, at the cost, however, of a poor selectivity against healthy cells. We present here an extensive Molecular Dynamics study of a promising alternative inspired by the mechanism through which antimicrobial peptides interact with the negatively charged bacterial membranes...
June 5, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29877544/novel-catalytic-micromotor-of-porous-zeolitic-imidazolate-framework-67-for-precise-drug-delivery
#7
Linlin Wang, Hongli Zhu, Ying Shi, You Ge, Xiaomiao Feng, Ruiqing Liu, Yi Li, Yanwen Ma, Lianhui Wang
Micromotors hold promise as drug carriers for targeted drug delivery owing to the characteristics of self-propulsion and directional navigation. However, several defects still exist, including high cost, short movement life, low drug loading and slow release rate. Herein, a novel catalytic micromotor based on porous zeolitic imidazolate framework-67 (ZIF-67) synthesized by a greatly simplified wet chemical method assisted with ultrasonication is described as an efficient anticancer drug carrier. These porous micromotors display effective autonomous motion in hydrogen peroxide and long durable movement life of up to 90 min...
June 7, 2018: Nanoscale
https://www.readbyqxmd.com/read/29790525/dna-decorated-cu-9-s-5-nanoparticles-as-nir-light-responsive-drug-carriers-for-tumor-chemo-phototherapy
#8
Shuang Liang, Zhongxi Xie, Yi Wei, Ziyong Cheng, Yanqiu Han, Jun Lin
Recently, near-infrared (NIR) light responsive drug delivery systems have attracted much attention for tumor therapy. Herein, we have successfully constructed a smart nanocarrier system Cu9S5-PEI-DNA-DOX (labelled as CPD-DOX) based on the self-assembly of hydrophobic Cu9S5 nanoparticles (NPs), poly(ethylene imine) (PEI), double-stranded DNA (dsDNA) segments and the anti-cancer drug doxorubicin (DOX). Among them, Cu9S5 NPs can serve as a nano-transducer for absorbing and converting near-infrared light to heat...
May 23, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29769386/global-acceptance-of-biosimilars-importance-of-regulatory-consistency-education-and-trust
#9
REVIEW
Eduardo Cazap, Ira Jacobs, Ali McBride, Robert Popovian, Karol Sikora
Globally, biosimilars are expected to have a key role in improving patient access to biological therapies and addressing concerns regarding the escalating cost of health care. Indeed, in Europe, increased use of biologics and reduced drug prices have been observed after the introduction of biosimilars. Recently, several monoclonal antibody biosimilars of anticancer therapies have been approved, and numerous others are in various stages of clinical development. Biosimilars are authorized via a regulatory pathway separate from that used for generic drugs; they are also regulated separately from novel biologics...
May 16, 2018: Oncologist
https://www.readbyqxmd.com/read/29765540/could-a-plant-derived-protein-potentiate-the-anticancer-effects-of-a-stem-cell-in-brain-cancer
#10
Camila Ramalho Bonturi, Helena Motaln, Mariana Cristina Cabral Silva, Bruno Ramos Salu, Marlon Vilela de Brito, Luciana de Andrade Luz Cost, Heron Fernandes Vieira Torquato, Natalia Neto Dos Santos Nunes, Edgar Julian Paredes-Gamero, Tamara Lah Turnšek, Maria Luiza Vilela Oliva
Glioblastoma is the most aggressive brain tumor with poor overall survival bellow 2 years. The natural compounds with anti-cancer properties, are thus gaining attention for possible adjuvant GBM treatment. In various cancer models Enterolobium contortisiliquum Trypsin Inhibitor (EcTI) proved to have anti-cancer effects. Here, we investigated the EcTI effects on GBM U87 cells and on mesenchymal stem cells (MSC) compared to their direct coculture (MSC/U87). MSC are present in tumor stroma, modulating GBM cells phenotype, and also represent potential drug delivery vehicle due to their tumor tropism...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29743946/cancer-treatment-in-the-last-6-months-of-life-when-inaction-can-outperform-action
#11
Bishal Gyawali, Saroj Niraula
When an investigational anticancer drug is being tested, demonstration of improvement in overall survival (OS) will generally lead to regulatory approval. However, the value that improvement in OS adds to patients' lives is guided largely by the context of the improvement and accompanying trade-offs. For example, when a patient's life expectancy is less than 6 months, many oncologists will not embark on any active cancer treatments. However, multiple new anticancer drugs have been approved recently after being tested in end-stage cancer patients and demonstrating median OS in the experimental arm close to 6 months...
2018: Ecancermedicalscience
https://www.readbyqxmd.com/read/29743329/impacts-on-health-outcomes-and-on-resource-utilisation-of-home-based-parenteral-chemotherapy-administration-a-systematic-review-protocol
#12
Benedicte Mittaine-Marzac, Matthieu De Stampa, Emmanuel Bagaragaza, Joël Ankri, Philippe Aegerter
INTRODUCTION: Despite the demonstrated feasibility and policies to enable more to receive chemotherapy at home, in a few countries, parenteral chemotherapy administration at home remains currently marginal. Of note, findings of different studies on health outcomes and resources utilisation vary, leading to conflicting results. This protocol outlines a systematic review that seeks to synthesise and critically appraise the current state of evidence on the comparison between home setting and hospital setting for parenteral chemotherapy administration within the same high standards of clinical care...
May 9, 2018: BMJ Open
https://www.readbyqxmd.com/read/29738245/enzyme-responsive-charge-reversal-polymer-mediated-effective-gene-therapy-for-intraperitoneal-tumors
#13
Nasha Qiu, Jianqing Gao, Qi Liu, Jinqiang Wang, Youqing Shen
Gene therapy has demonstrated effectiveness in many genetic diseases as evidenced by recent clinical applications. Viral vectors have been extensively tested in clinical gene-therapy trials, but nonviral vectors such as cationic polymers or lipids are much less used due to their lower gene-transfection efficiencies. However, the advantages of nonviral vectors, such as easily tailored structures, nonimmunogenetics, and relatively low cost, still drive great efforts to improve their transfection efficiencies...
May 8, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29714569/anticancer-drug-prescription-patterns-in-japan-future-directions-in-cancer-therapy
#14
Shoyo Shibata, Maiko Matsushita, Yoshimasa Saito, Takeshi Suzuki
BACKGROUND: Despite their benefits, the rapid development of new cancer treatments has been a significant driver of increasing health care expenditures in the face of limited health care budgets. In this study, we analyzed the prescribing trends for anticancer drugs from 2010 through 2016 in Japan and sought to identify unique trends that could provide a basis for future medical economic research aiming to develop more efficacious and cost-effective cancer therapies. METHODS: We used publicly available marketing data for anticancer drugs in Japan for 2010-2016...
January 1, 2018: Therapeutic Innovation & Regulatory Science
https://www.readbyqxmd.com/read/29710459/inhibitory-effect-of-chidamide-on-the-growth-of-human-adenoid-cystic-carcinoma-cells
#15
Sheng Yang, Peng Nan, Chunxiao Li, Feng Lin, Hui Li, Ting Wang, Chunxia Zhou, Xueyan Zhang, Xiting Meng, Haili Qian, Haijuan Wang, Mei Dong
Adenoid cystic carcinoma (ACC) is a malignant epithelial neoplasm that limitedly responses to chemotherapy at the cost of significant toxicity. There is no single targeted drug approved by Food and Drug Administration (FDA) for ACC. Genomic landscape studies have revealed that frequently mutated pathways in ACC often involve in chromatin remodeling, which interfere multiple histone related proteins. Chidamide is a novel histone deacetylase inhibitor (HDACi) approved in clinical practice that was designed to increase the acetylation level of histone H3...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29710458/centaurea-albonitens-extract-enhances-the-therapeutic-effects-of-vincristine-in-leukemic-cells-by-inducing-apoptosis
#16
Forouzan Bahmani, Somayeh Esmaeili, Davood Bashash, Nasrin Dehghan-Nayeri, Pargol Mashati, Ahmad Gharehbaghian
Drug-induced toxicities and dose-related side effects are the major challenges in the conventional cancer therapy by the chemo drugs. On the other hand, herbal derivatives have obtained a great research interest in the field of therapeutic applications because of their more favorable specifications including less toxicity, cost-effective and more physiologically compatible than the chemical drugs. For this purpose, we evaluated methanolic extract prepared from Centaurea albonitens Turrill alone and in combination with Vincristine (VCR) for its potential cytotoxic effects in NALM-6, REH, NB4 and KMM-1 cell lines by using the various approaches...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29664104/self-assembled-nanodiamond-supraparticles-for-anticancer-chemotherapy
#17
Yue Yu, Masahiro Nishikawa, Ming Liu, Takahiro Tei, Sunil C Kaul, Renu Wadhawa, Minfang Zhang, Junko Takahashi, Eijiro Miyako
A nanodiamond (ND) is a promising material for drug delivery applications owing to its relatively low cost, amenability to large-scale synthesis, unique structure, and low toxicity. However, synthesizing drug-loaded ND conjugates with uniform and tunable sizes, high loading capacity, efficacy in drug delivery, and versatility in terms of surface functionalization has been challenging. Here, we show that perfluorooctanoic acid-functionalized NDs spontaneously transform into well-dispersed and biocompatible supraparticle (SP) nanoclusters...
May 17, 2018: Nanoscale
https://www.readbyqxmd.com/read/29658266/enzyme-based-electrochemical-biosensor-for-therapeutic-drug-monitoring-of-anticancer-drug-irinotecan
#18
Maria Domenica Alvau, Stefano Tartaggia, Anna Meneghello, Bruno Casetta, Giammario Calia, Pier Andrea Serra, Federico Polo, Giuseppe Toffoli
Therapeutic drug monitoring (TDM) is the clinical practice of measuring pharmaceutical drug concentrations in patients' biofluids at designated intervals, thus allowing a close and timely control of their dosage. To date, TDM in oncology can only be performed by trained personnel in centralized laboratories and core facilities employing conventional analytical techniques (e.g., MS). CPT-11 is an antineoplastic drug that inhibits topoisomerase type I, causing cell death, and is widely used in the treatment of colorectal cancer...
May 15, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29611528/medication-overuse-in-oncology-current-trends-and-future-implications-for-patients-and-society
#19
REVIEW
Stephen M Schleicher, Peter B Bach, Konstantina Matsoukas, Deborah Korenstein
The high cost of cancer care worldwide is largely attributable to rising drugs prices. Despite their high costs and potential toxic effects, anticancer treatments could be subject to overuse, which is defined as the provision of medical services that are more likely to harm than to benefit a patient. We found 30 studies documenting medication overuse in cancer, which included 16 examples of supportive medication overuse and 17 examples of antineoplastic medication overuse in oncology. Few specific agents have been assessed, and no studies investigated overuse of the most toxic or expensive medications currently used in cancer treatment...
April 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29608397/optimizing-anticancer-therapy-in-metastatic-non-castrate-prostate-cancer-american-society-of-clinical-oncology-clinical-practice-guideline
#20
Michael J Morris, R Bryan Rumble, Ethan Basch, Sebastien J Hotte, Andrew Loblaw, Dana Rathkopf, Paul Celano, Rick Bangs, Matthew I Milowsky
Purpose This clinical practice guideline addresses abiraterone or docetaxel with androgen-deprivation therapy (ADT) for metastatic prostate cancer that has not been treated (or has been minimally treated) with testosterone-lowering agents. Methods Standard therapy for newly diagnosed metastatic prostate cancer has been ADT alone. Three studies have compared ADT alone with ADT and docetaxel, and two studies have compared ADT alone with ADT and abiraterone. Results Three prospective randomized studies (GETUG-AFU 15, STAMPEDE, and CHAARTED) examined overall survival (OS) with adding docetaxel to ADT...
May 20, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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