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https://www.readbyqxmd.com/read/28214146/impact-of-anti-tnf-therapy-on-nk-cells-function-and-on-immunosurveillance-against-b-cell-lymphomas
#1
Gaetane Nocturne, Saida Boudaoud, Bineta Ly, Juliette Pascaud, Audrey Paoletti, Xavier Mariette
OBJECTIVES: Rheumatoid arthritis (RA) is associated with an increased risk of lymphoma linked to activity of the disease. Immunosuppressive drugs have been suspected to induce an additional risk. Since, NK cells have been recently shown to participate to anti-lymphoma immunosurveillance, we aimed to assess if anti-TNF might impact their anti-lymphoma activity. METHODS: NK cells have been assessed ex vivo in patients with RA treated with methotrexate (MTX) with or without anti-TNF...
February 14, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28213566/a-randomised-phase-iib-study-of-mavrilimumab-a-novel-gm-csf-receptor-alpha-monoclonal-antibody-in-the-treatment-of-rheumatoid-arthritis
#2
Gerd R Burmester, Iain B McInnes, Joel Kremer, Pedro Miranda, Mariusz Korkosz, Jiri Vencovsky, Andrea Rubbert-Roth, Eduardo Mysler, Matthew A Sleeman, Alex Godwood, Dominic Sinibaldi, Xiang Guo, Wendy I White, Bing Wang, Chi-Yuan Wu, Patricia C Ryan, David Close, Michael E Weinblatt
OBJECTIVES: Despite the therapeutic value of current rheumatoid arthritis (RA) treatments, agents with alternative modes of action are required. Mavrilimumab, a fully human monoclonal antibody targeting the granulocyte-macrophage colony-stimulating factor receptor-α, was evaluated in patients with moderate-to-severe RA. METHODS: In a phase IIb study (NCT01706926), patients with inadequate response to ≥1 synthetic disease-modifying antirheumatic drug(s), Disease Activity Score 28 (DAS28)-C reactive protein (CRP)/erythrocyte sedimentation rate ≥3...
February 17, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28211579/impact-of-treatment-variability-on-survival-in-immuno-competent-and-immuno-compromised-patients-with-primary-central-nervous-lymphoma
#3
Reem Karmali, Chadi Nabhan, Adam M Petrich, Jeffrey Raizer, David Peace, Rimas Lukas, Leo I Gordon, Sanjib Basu, Vineela Chukkapalli, Parameswaran Venugopal
Patients with primary central nervous system lymphoma (PCNSL) treated in the 'real-world' setting do not represent those treated on clinical trials and might not be treated similarly. We studied characteristics and variability in care for 113 newly diagnosed PCNSL patients treated at 5 institutions in the Chicago area between 2000 and 2012. In 111 patients, single modality therapy with a high dose methotrexate (HD-MTX) regimen +/- rituximab, was most commonly employed (n = 65), and 34 underwent radiotherapy (+/- systemic therapy)...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28197276/percutaneous-coronary-intervention-safety-of-methotrexate-and-its-possible-benefits-on-restenosis-after-bare-metal-stent-deployment
#4
Viviane Gouveia, Dinaldo C Oliveira, Emmanuele Tenorio, Norma Brito, Emanuel Sarinho
BACKGROUND: Percutaneous coronary intervention (PCI) revolutionized treatment of coronary artery disease. Drug-eluting stents are effective and safe but their cost is high, especially for some countries. The primary objective was to evaluate the safety of methotrexate (MTX) in patients who underwent PCI and the secondary goal was to evaluate the possibility that MTX has an impact on restenosis. METHODS: This was a transversal, prospective and descriptive study that recruited 16 patients in whom PCI was planned...
June 2016: Cardiology Research
https://www.readbyqxmd.com/read/28196351/fabrication-and-functional-attributes-of-lipidic-nanoconstructs-of-lycopene-an-innovative-endeavour-for-enhanced-cytotoxicity-in-mcf-7-breast-cancer-cells
#5
Ashay Jain, Gajanand Sharma, Varun Kushwah, Kanika Thakur, Gargi Ghoshal, Bhupinder Singh, Sanyog Jain, U S Shivhare, O P Katare
The present study investigates the anticancer efficacy of lycopene loaded lipidic nanostructured particles. With a homogenization-evaporation technique, lycopene loaded solid lipid nanoparticles (LYC-SLNs) were fabricated with different ratios of biocompatible viz. compritol ATO 888 and gelucire, and evaluated for their micromeretics properties, in vitro release, in vitro cytotoxicity, cellular uptake and apoptosis induced in MCF-7 cells. Effects of anticancer potential of LYC-SLNs on the efficacy of methotrexate (MTX), a well-established anticancer agent, was evaluated thereafter...
February 2, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28196047/a-time-dependent-model-describes-methotrexate-elimination-and-supports-dynamic-modification-of-mrp2-abcc2-activity
#6
Jean-Baptiste Woillard, Jean Debord, Isabelle Benz-de-Bretagne, Franck Saint-Marcoux, Pascal Turlure, Stéphane Girault, Julie Abraham, Sylvain Choquet, Pierre Marquet, Chantal Barin-Le Guellec
BACKGROUND: MRP2/ABCC2, an efflux transporter expressed at the proximal renal tubule, is rate limiting for urine excretion of coproporphyrin (UCP) isomers I and III, translating in high UCP (I/(I+III)) ratio in MRP2-deficient patients presenting with the Dubin-Johnson Syndrome. MRP2 is also a major contributor to methotrexate (MTX) clearance. As MTX is both a substrate and an inhibitor of MRP2, time course of the concentrations of MTX in blood could induce functional modification of MRP2 over time, which in turn can modify its own elimination rate...
February 11, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28183623/the-role-of-nanoparticles-in-the-albumin-cytarabine-and-albumin-methotrexate-interactions
#7
Danuta Pentak, Małgorzata Maciążek-Jurczyk, Zygmunt H Zawada
Understanding the interactions which occur between nanomaterials and biomolecules is one of the most important issues in nanotechnology. Determining the properties of nanoparticles obtained through the use of novel methods and defining the scope of their application as drug carriers has important practical significance. Nanoparticles containing methotrexate and cytarabine obtained by a modified reverse-phase evaporation method (mREV) were characterized through the use of the UV/Vis and NMR methods. Obtained results confirmed high degree of analysed drugs encapsulation...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28178288/monitoring-gait-in-multiple-sclerosis-with-novel-wearable-motion-sensors
#8
Yaejin Moon, Ryan S McGinnis, Kirsten Seagers, Robert W Motl, Nirav Sheth, John A Wright, Roozbeh Ghaffari, Jacob J Sosnoff
BACKGROUND: Mobility impairment is common in people with multiple sclerosis (PwMS) and there is a need to assess mobility in remote settings. Here, we apply a novel wireless, skin-mounted, and conformal inertial sensor (BioStampRC, MC10 Inc.) to examine gait characteristics of PwMS under controlled conditions. We determine the accuracy and precision of BioStampRC in measuring gait kinematics by comparing to contemporary research-grade measurement devices. METHODS: A total of 45 PwMS, who presented with diverse walking impairment (Mild MS = 15, Moderate MS = 15, Severe MS = 15), and 15 healthy control subjects participated in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28167261/redox-and-ph-responsive-gold-nanoparticles-as-a-new-platform-for-simultaneous-triple-anti-cancer-drugs-targeting
#9
Marjan Ghorbani, Hamed Hamishehkar
Cancer is considered to be one of the leading causes of morbidity and mortality worldwide and nanotechnology was shown to have a unique potential to enhance the therapeutic performance of anti-cancer agents. A novel dual stimuli-responsive polyethylene glycol (PEG) block copolymer was synthesized for the decoration and stabilization of gold nanoparticles (NPs) to carry multiple anti-cancer drugs, doxorubicin (DOX), methotrexate (MTX) and 6-mercaptopurine (MP). DOX, MTX and MP were successfully loaded (the loading capacity of 37%, 12%, and 49%, respectively) into the NPs by ionic interaction (DOX and MTX) and disulphide-covalent bond formation (MP) in the polymeric shell of NPs...
February 3, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28166785/a-comparison-of-three-treatment-strategies-in-recent-onset-non-systemic-juvenile-idiopathic-arthritis-initial-3-months-results-of-the-best-for-kids-study
#10
P C E Hissink Muller, D M C Brinkman, D Schonenberg, Y Koopman-Keemink, I C J Brederije, W P Bekkering, T W Kuijpers, M A J van Rossum, L W A van Suijlekom-Smit, J M van den Berg, C F Allaart, R Ten Cate
BACKGROUND: Combination therapy with prednisone or etanercept may induce earlier and/or more improvement in disease activity in Disease Modifying Anti Rheumatic Drug (DMARD) naïve non-systemic Juvenile Idiopathic Arthritis (JIA) patients. Here we present three months clinical outcome of initial treatments of the BeSt-for-Kids study. METHODS: Included patients were randomized to either: 1. initial DMARD-monotherapy (sulfasalazine (SSZ) or methotrexate (MTX)), 2...
February 6, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28163954/effect-of-nigella-sativa-black-seeds-against-methotrexate-induced-nephrotoxicity-in-mice
#11
Jawad Hassan Ahmed, Isra Mohammed Abdulmajeed
AIM: To evaluate the protective effect of Nigella sativa (NS) against nephrotoxicity of methotrexate (MTX) in mice. MATERIALS AND METHODS: Four groups of Swiss albino male mice, eight in each group were used. The study was carried on between October 2014 and April 2015. Group 1 (control) were administered 0.3 ml distilled water orally daily for 21 days and injected with normal saline (0.25 ml) IP weekly. Group 2 (MTX group) were treated with MTX, 10 mg/kg IP weekly, while Group 3 were treated with 0...
January 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28162821/safety-of-live-vaccinations-on-immunosuppressive-therapy-in-patients-with-immune-mediated-inflammatory-diseases-solid-organ-transplantation-or-after-bone-marrow-transplantation-a-systematic-review-of-randomized-trials-observational-studies-and-case-reports
#12
REVIEW
Evelina Croce, Christoph Hatz, Emile F Jonker, L G Visser, Veronika K Jaeger, Silja Bühler
BACKGROUND: Live vaccines are generally contraindicated on immunosuppressive therapy due to safety concerns. However, data are limited to corroborate this practice. OBJECTIVES: To estimate the safety of live vaccinations in patients with immune-mediated inflammatory diseases (IMID) or solid organ transplantation (SOT) on immunosuppressive treatment and in patients after bone-marrow transplantation (BMT). DATA SOURCES: A search was conducted in electronic databases (Cochrane, Pubmed, Embase) and additional literature was identified by targeted searches...
February 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28155539/a-green-approach-to-dual-drug-nanoformulations-with-targeting-and-synergistic-effects-for-cancer-therapy
#13
Shichao Wu, Xiangrui Yang, Yue Lu, Zhongxiong Fan, Yang Li, Yuan Jiang, Zhenqing Hou
Exploration of efficient dual-drug nanohybrids, particularly those with high drug loading, specific targeting property, and long-termed stability, is of highly importance in cancer therapy. A pH-driven coprecipitation was performed in the aqueous phase to obtain a dual-drug nanoformulation, composed of 10-hydroxycamptothecine (HCPT) nanoneedles integrated with an exterior thin layer of the methotrexate (MTX)-chitosan conjugate. The high stability of nanohybrids in water and the targeting property provided by the MTX ingredient function synergistically to the prolonged and sustained drug release property in tumor tissues and the increased cellular uptake...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28153828/clinical-benefit-of-1-year-certolizumab-pegol-czp-add-on-therapy-to-methotrexate-treatment-in-patients-with-early-rheumatoid-arthritis-was-observed-following-czp-discontinuation-2-year-results-of-the-c-opera-study-a-phase-iii-randomised-trial
#14
Tatsuya Atsumi, Yoshiya Tanaka, Kazuhiko Yamamoto, Tsutomu Takeuchi, Hisashi Yamanaka, Naoki Ishiguro, Katsumi Eguchi, Akira Watanabe, Hideki Origasa, Shinsuke Yasuda, Yuji Yamanishi, Yasuhiko Kita, Tsukasa Matsubara, Masahiro Iwamoto, Toshiharu Shoji, Osamu Togo, Toshiyuki Okada, Désirée van der Heijde, Nobuyuki Miyasaka, Takao Koike
OBJECTIVES: To investigate the clinical impact of 1-year certolizumab pegol (CZP) therapy added to the first year of 2-year methotrexate (MTX) therapy, compared with 2-year therapy with MTX alone. METHODS: MTX-naïve patients with early rheumatoid arthritis (RA) with poor prognostic factors were eligible to enter Certolizumab-Optimal Prevention of joint damage for Early RA (C-OPERA), a multicentre, randomised, controlled study, which consisted of a 52-week double-blind (DB) period and subsequent 52-week post treatment (PT) period...
February 2, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28148696/attitudes-and-approaches-for-withdrawing-drugs-for-children-with-clinically-inactive-nonsystemic-jia-a-survey-of-the-childhood-arthritis-and-rheumatology-research-alliance
#15
Daniel B Horton, Karen B Onel, Timothy Beukelman, Sarah Ringold
OBJECTIVE: To assess the attitudes and strategies of pediatric rheumatology clinicians toward withdrawing medications for children with clinically inactive juvenile idiopathic arthritis (JIA). METHODS: Members of the Childhood Arthritis and Rheumatology Research Alliance (CARRA) completed an anonymous electronic survey on decision making and approaches for withdrawing medications for inactive nonsystemic JIA. Data were analyzed using descriptive statistics. RESULTS: Of 388 clinicians in CARRA, 124 completed surveys (32%), predominantly attending pediatric rheumatologists...
February 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28145939/methotrexate-induces-apoptosis-in-organ-cultured-nasal-polyps-via-the-fas-pathway
#16
Kyung Wook Heo, Seong Kook Park, Yeo Myeong Lee, Si Hong Choe, Pyung Mo Gu, Tae Ui Hong, Dae Young Hur
OBJECTIVE: Methotrexate (MTX) is very effective when used to treat chronic inflammatory diseases, and also induces apoptosis in nasal polyps (NPs). Increasing evidence suggests that Fas-Fas ligand (FasL) interactions activate multiple pathways involved in the regulation of immune and inflammatory cell functions. The aim of the present study was to identify pathways activated by Fas signaling when NPs were treated with MTX. METHODS: Nasal polyps tissues were cultured using an air-liquid interface organ culture method...
January 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28143790/association-of-il17a-and-il17f-genes-with-rheumatoid-arthritis-disease-and-the-impact-of-genetic-polymorphisms-on-response-to-treatment
#17
Ouled Salah Marwa, Tizaoui Kalthoum, Kaabachi Wajih, Hamzaoui Kamel
BACKGROUND: Previous studies have reported an association between polymorphisms in Il17A and IL17F genes and the prevalence of rheumatoid arthritis (RA) in Caucasian populations. The aim of the current study was to investigate that polymorphisms in both genes may affect RA susceptibility in the Tunisian population and to study the relation between serum IL-17 levels and synovial fluid (SF) levels and risk in RA patients. We suggested also that these polymorphisms may influence response to treatment in Tunisian RA patients...
January 28, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28140536/einsatz-und-wirksamkeit-von-systemtherapien-bei-erwachsenen-mit-schwerer-neurodermitis-erste-ergebnisse-des-deutschen-neurodermitis-registers-treatgermany
#18
Jochen Schmitt, Susanne Abraham, Freya Trautmann, Victoria Stephan, Regina Fölster-Holst, Bernhard Homey, Thomas Bieber, Natalija Novak, Michael Sticherling, Matthias Augustin, Andreas Kleinheinz, Peter Elsner, Stephan Weidinger, Thomas Werfel
HINTERGRUND: Versorgungsregister dienen der Erfassung des Einsatzes und der Wirksamkeit von Therapien unter realen Versorgungsbedingungen und sind als Basis einer evidenzbasierten Gesundheitsversorgung unverzichtbar. METHODIK: Das deutsche Neurodermitis-Register TREATgermany wurde als weltweit erstes Register für Patienten mit schwerer Neurodermitis 2011 initiiert. Erwachsene mit schwerer Neurodermitis (aktuelle/frühere antientzündliche Systemtherapie und/oder objektiver SCORAD ≥ 40) werden über einen Zeitraum von 24 Monaten prospektiv beobachtet...
January 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28134599/new-onset-or-worsening-of-psoriasis-following-biologic-therapy-a-case-series
#19
Vincenzo Bruzzese, Vincenzo De Francesco, Cesare Hassan, Roberto Lorenzetti, Palma Scolieri, Cinzia Marrese, Angelo Zullo
Biologic therapies may cause so-called "paradoxical side-effects," that is, the onset or exacerbation of new symptoms/diseases for which biological treatment should be effective. Among these, psoriatic skin lesions have been described. We report a case series of ten patients with either new onset (seven cases) or worsening (three cases) of psoriasis occurring during a biologic therapy. Six patients were receiving a biologic monotherapy, while four patients were in combination treatment with methotrexate (MTX)...
January 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28134073/long-term-continuation-of-methotrexate-therapy-in-giant-cell-arteritis-patients-in-clinical-practice
#20
Leticia Leon, Luis Rodriguez-Rodriguez, Dalifer Freites, Lucia Arietti, Inmaculada Morado, Cristina Vadillo, José Ramón Lamas, Benjamin Fernandez, Juan Angel Jover, Lydia Abasolo
OBJECTIVES: To assess the long-term continuation of MTX in a cohort of patients with GCA in daily clinical practice. Factors associated with its discontinuation rate were also investigated. METHODS: A longitudinal study from 1991-2014, was performed. GCA patients with MTX and followed-up in a rheumatology outpatient clinic of Madrid during the study period were included. PRIMARY OUTCOME: discontinuation of MTX due to: adverse drug reaction (ADR moderate and severe); inefficacy; sustained clinical response; patient decision...
January 23, 2017: Clinical and Experimental Rheumatology
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