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Methotrexate

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https://www.readbyqxmd.com/read/28445659/adalimumab-plus-methotrexate-for-uveitis-in-juvenile-idiopathic-arthritis
#1
Athimalaipet V Ramanan, Andrew D Dick, Ashley P Jones, Andrew McKay, Paula R Williamson, Sandrine Compeyrot-Lacassagne, Ben Hardwick, Helen Hickey, Dyfrig Hughes, Patricia Woo, Diana Benton, Clive Edelsten, Michael W Beresford
Background Adalimumab, a fully human anti-tumor necrosis factor α monoclonal antibody, is effective in the treatment of juvenile idiopathic arthritis (JIA). We tested the efficacy of adalimumab in the treatment of JIA-associated uveitis. Methods In this multicenter, double-blind, randomized, placebo-controlled trial, we assessed the efficacy and safety of adalimumab in children and adolescents 2 years of age or older who had active JIA-associated uveitis. Patients who were taking a stable dose of methotrexate were randomly assigned in a 2:1 ratio to receive either adalimumab (at a dose of 20 mg or 40 mg, according to body weight) or placebo, administered subcutaneously every 2 weeks...
April 27, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28445606/structural-and-biological-properties-of-thermosensitive-chitosan-graphene-hybrid-hydrogels-for-sustained-drug-delivery-applications
#2
Leyla Saeednia, Li Yao, Marcus Berndt, Kim Cluff, Ramazan Asmatulu
Chitosan has the ability to make injectable thermosensitive hydrogels which has been highly investigated for drug delivery applications. The addition of nanoparticles is one way to increase the mechanical strength of thermosensitive chitosan hydrogel and subsequently and control the burst release of drug. Graphene nanoparticles have shown unique mechanical, optical and electrical properties which can be exploited for biomedical applications, especially in drug delivery. This study, have focused on the mechanical properties of a thermosensitive and injectable hybrid chitosan hydrogel incorporated with graphene nanoparticles...
April 26, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28444425/pharmacogenetic-markers-to-predict-the-clinical-response-to-methotrexate-in-south-indian-tamil-patients-with-psoriasis
#3
S Indhumathi, Medha Rajappa, Laxmisha Chandrashekar, P H Ananthanarayanan, D M Thappa, V S Negi
INTRODUCTION: Despite the advent of several new systemic therapies, methotrexate remains the gold standard for the treatment of moderate to severe psoriasis. However, there exists a significant heterogeneity in individual response to methotrexate. There are no consistently reliable markers to predict methotrexate treatment response till date. OBJECTIVES: We aimed to demonstrate the association of certain genetic variants in the HLA (HLA-A2, HLA-B17, and HLA-Cw6) and the non-HLA genes including T-helper (Th)-1, Th-2, Th-17 cytokine genes (IFN-γ, IL-2, IL-4, IL-10, IL-12B, and IL-23R), and T-regulatory gene (FOXP3) with the methotrexate treatment response in South Indian Tamil patients with psoriasis...
April 25, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28443374/is-it-really-safe-to-withhold-folinic-acid-when-less-than-1000%C3%A2-mg-m-2-methotrexate-is-ingested
#4
Arjen Koppen, Marieke A Dijkman, Claudine C Hunault, Dylan W de Lange, Irma de Vries
No abstract text is available yet for this article.
April 26, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28443320/methotrexate-induced-cutaneous-ulceration-in-3-nonpsoriatic-patients-report-of-a-rare-side-effect
#5
Hal A Lewis, Kathleen M Nemer, Rebecca J Chibnall, Amy C Musiek
No abstract text is available yet for this article.
May 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28443310/keratosis-lichenoides-chronica-successfully-treated-with-isotretinoin-and-methotrexate
#6
Alvin W Li, William Damsky, Brett A King
No abstract text is available yet for this article.
May 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28442879/methotrexate-in-alopecia-areata-a-report-of-three-cases
#7
Ana Batalla, Ángeles Flórez, Teresa Abalde, Hugo Vázquez-Veiga
There are few studies about systemic treatment in severe cases of alopecia areata (AA), especially in the pediatric population. Although there is more experience with systemic corticosteroids, recent reports have suggested methotrexate (MTX) as an alternative treatment, with a relatively good outcome. We describe three cases of AA in children treated with MTX, two of them with successful results.
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28442407/light-magnetic-hyperthermia-triggered-drug-released-from-multi-functional-thermo-sensitive-magnetoliposomes-for-precise-cancer-synergetic-theranostics
#8
Yuxin Guo, Yang Zhang, Jinyuan Ma, Qi Li, Yang Li, Xinyi Zhou, Dan Zhao, Hua Song, Qing Chen, Xuan Zhu
Precise delivery of antineoplastic drugs to specific tumor region has drawn much attention in recent years. Herein, a light/magnetic hyperthermia triggered drug delivery with multiple functionality is designed based on methotrexate (MTX) modified thermo-sensitive magnetoliposomes (MTX-MagTSLs). In this system, MTX and oleic acid modified magnetic nanoparticles (MNPs) can be applied in biological and magnetic targeting. Meanwhile, lipophilic fluorescent dye Cy5.5 and MNPs are encapsulated into the bilayer of liposomes, which can not only achieve dual-imaging effect to verify the MTX-MagTSLs accumulation in tumor region, but also provide an appropriate laser irradiation region to release Doxorubicin (Dox) under alternating magnetic field (AMF)...
April 22, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28441540/supramolecular-interaction-of-methotrexate-with-cucurbit-7-uril-and-analytical-application
#9
Yin-Xia Chang, Xiang-Mei Zhang, Xue-Chao Duan, Fan Liu, Li-Ming Du
The supramolecular interaction between cucurbit[7]uril (CB[7]) as the host and the anti-cancer drug methotrexate (MTX) as the guest was studied using fluorescence spectroscopy, UV-visible absorption spectroscopy, (1)H NMR, 2D NOESY, and theoretical calculations. The experimental results confirmed the formation of 1:2 inclusion complex with CB[7] and indicated a simple and sensitive competitive method for the fluorescence detection of MTX. It was found that the fluorescence intensities of CB[7]-palmatine, CB[7]-berberine and CB[7]-coptisine were quenched linearly upon the addition of MTX...
April 20, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28441215/does-low-dose-methotrexate-deserve-more-respect-from-clinicians
#10
Brent Luu, George W Rodway
Medical errors associated with low-dose methotrexate may be life-threatening. Prescribers should be cognizant of the medication's toxicities and the persistent challenges in preventing adverse events. This article reviews the properties of methotrexate and its common drug-drug interactions. Best practices from the Institute for Safe Medication Practices, aimed at reducing methotrexate errors, are highlighted.
May 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/28440862/a-large-intrauterine-vascular-lesion-developing-after-the-successful-treatment-of-a-cesarean-scar-pregnancy-with-methotrexate-injection
#11
Ji Won Song, Da Hye Ju, Sang Wook Yi, Joo Hee Lee, Woo Seok Sohn, Sang Soo Lee
A cesarean scar pregnancy is a rare type of ectopic pregnancy. Induced abortion by local methotrexate (MTX) injection is an effective management approach. We describe a case in which a large intrauterine vascular lesion appeared after the sonographic-guided local injection of MTX, which successfully induced the abortion of the cesarean scar pregnancy. Although a cesarean scar pregnancy may be safely treated with a local MTX injection, close follow-up, including serum β-human chorionic gonadotropin level measurement and Doppler sonography, is needed because an intrauterine vascular lesion could develop even after a successfully induced abortion...
April 25, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28440680/efficacy-and-safety-of-baricitinib-in-japanese-patients-with-active-rheumatoid-arthritis-a-52-week-randomized-single-blind-extension-study
#12
Yoshiya Tanaka, Taeko Ishii, Zhihong Cai, Douglas Schlichting, Terence Rooney, William Macias
OBJECTIVES: The objective of this study is to evaluate the efficacy and safety of long-term (64 weeks; 52-week extension of a 12-week study) baricitinib treatment in Japanese patients with active rheumatoid arthritis (RA) despite methotrexate therapy. METHODS: Patients (N = 145) with active RA were randomized to placebo, 1mg, 2mg, 4mg, or 8mg baricitinib for the first 12 weeks. During the 52-week extension period, patients on 4mg or 8mg baricitinib remained on the same dose and all other patients were re-randomized to 4mg or 8mg baricitinib...
April 25, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28439389/management-of-a-viable-cesarean-scar-pregnancy-a-case-report
#13
Mini Mammen Roy, Forough Radfar
The incidence of cesarean scar pregnancy (CSP), which was extremely rare till recent times, has been rising steadily. We have more of such cases being published in medical literature now. A 38-year-old woman with a past history of previous three cesarean sections presented with five weeks pregnancy and complaints of bleeding per vaginum associated with mild lower abdominal discomfort. The diagnosis of CSP with a live fetus within the gestational sac was made on a transvaginal ultrasound examination and later confirmed with a magnetic resonance imaging (MRI)...
March 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28438826/stability-study-of-methotrexate-in-0-9-sodium-chloride-injection-and-5-dextrose-injection-with-limit-tests-for-impurities
#14
Klaus Bertram Nissen, Lene Bogedal Jorgensen, Dorthe Lindegaard Berg, Gitte Andersen
PURPOSE: Results of an evaluation of the stability of methotrexate in 0.9% sodium chloride injection and 5% dextrose injection are presented. METHODS: Methotrexate concentrated solution (100 mg/mL) was diluted to nominal concentrations of 0.2 and 20 mg/mL in infusion bags containing 0.9% sodium chloride injection or 5% dextrose injection. The filled bags were stored for 28 days at 25 °C and 60% relative humidity and protected from light. Samples were withdrawn for analysis on the day of preparation and after 3, 7, 14, 21, and 28 days...
May 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28435338/recommendations-for-optimizing-methotrexate-treatment-for-patients-with-rheumatoid-arthritis
#15
REVIEW
Alfonso E Bello, Elizabeth L Perkins, Randy Jay, Petros Efthimiou
Methotrexate (MTX) remains the cornerstone therapy for patients with rheumatoid arthritis (RA), with well-established safety and efficacy profiles and support in international guidelines. Clinical and radiologic results indicate benefits of MTX monotherapy and combination with other agents, yet patients may not receive optimal dosing, duration, or route of administration to maximize their response to this drug. This review highlights best practices for MTX use in RA patients. First, to improve the response to oral MTX, a high initial dose should be administered followed by rapid titration...
2017: Open Access Rheumatology: Research and Reviews
https://www.readbyqxmd.com/read/28435259/methotrexate-coupled-nanoparticles-and-magnetic-nanochemothermia-for-the-relapse-free-treatment-of-t24-bladder-tumors
#16
Marcus Stapf, Ulf Teichgräber, Ingrid Hilger
Heat-based approaches have been considered as promising tools due to their ability to directly eradicate tumor cells and/or increase the sensitivity of tumors to radiation- or chemotherapy. In particular, the heating of magnetic nanoparticles (MNPs) via an alternating magnetic field can provide a handy alternative for a localized tumor treatment. To amplify the efficacy of magnetically induced thermal treatments, we elucidated the superior tumor-destructive effect of methotrexate-coupled MNPs (MTX/MNPs) in combination with magnetic heating (nanochemothermia) over the thermal treatment alone...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435253/antimicrobial-photodynamic-activity-and-cytocompatibility-of-au25-capt-18-clusters-photoexcited-by-blue-led-light-irradiation
#17
Saori Miyata, Hirofumi Miyaji, Hideya Kawasaki, Masaki Yamamoto, Erika Nishida, Hiroko Takita, Tsukasa Akasaka, Natsumi Ushijima, Toshihiko Iwanaga, Tsutomu Sugaya
Antimicrobial photodynamic therapy (aPDT) has beneficial effects in dental treatment. We applied captopril-protected gold (Au25(Capt)18) clusters as a novel photosensitizer for aPDT. Photoexcited Au clusters under light irradiation generated singlet oxygen ((1)O2). Accordingly, the antimicrobial and cytotoxic effects of Au25(Capt)18 clusters under dental blue light-emitting diode (LED) irradiation were evaluated. (1)O2 generation of Au25(Capt)18 clusters under blue LED irradiation (420-460 nm) was detected by a methotrexate (MTX) probe...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28434043/early-whole-brain-radiotherapy-in-primary-cns-lymphoma-negative-impact-on-quality-of-life-in-the-randomized-g-pcnsl-sg1-trial
#18
Ulrich Herrlinger, Niklas Schäfer, Rolf Fimmers, Frank Griesinger, Michael Rauch, Heinz Kirchen, Patrick Roth, Martin Glas, Michael Bamberg, Peter Martus, Eckhard Thiel, Agnieszka Korfel, Michael Weller
PURPOSE: In the randomized G-PCNSL-SG-1 trial, the addition of whole brain radiotherapy (45 Gy) to high-dose methotrexate (HD-MTX)-based chemotherapy (early WBRT arm) did not prolong overall survival (OS) as compared to HD-MTX-based chemotherapy alone (no early WBRT arm) in primary CNS lymphoma (PCNSL) patients. To determine whether WBRT might lead to quality of life (QoL)-relevant late neurotoxicity, this trial prospectively monitored QoL. METHODS: QoL measurements were performed using the EORTC-QLQ-C30 and BN20 questionnaires and combined with repeated Mini Mental State Examinations (MMSE)...
April 22, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28433735/outpatient-endometrial-aspiration-an-alternative-to-methotrexate-for-pregnancy-of-unknown-location
#19
Iris G Insogna, Leslie V Farland, Stacey A Missmer, Elizabeth S Ginsburg, Paula C Brady
OBJECTIVE: To evaluate the utility of an endometrial sampling protocol for the diagnosis of pregnancies of unknown location following in vitro fertilization. STUDY DESIGN: A retrospective cohort study of 14,505 autologous fresh and frozen in vitro fertilization cycles from 10/2007 to 9/2015 was performed; 110 patients were diagnosed with pregnancy of unknown location, defined as a positive human chorionic gonadotropin (hCG) without ultrasound evidence of intrauterine or ectopic pregnancy, and an abnormal hCG trend (<53% rise or <15% fall in two days)...
April 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28432587/rituximab-methotrexate-procarbazine-vincristine-and-intensified-cytarabine-consolidation-for-primary-central-nervous-system-lymphoma-pcnsl-in-the-elderly-a-loc-network-study
#20
Caroline Houillier, Hervé Ghesquières, Cécile Chabrot, Carole Soussain, Guido Ahle, Sylvain Choquet, Emmanuelle Nicolas-Virelizier, Jacques-Olivier Bay, Jacques Vargaftig, Claude Gaultier, Valérie Touitou, Nadine Martin-Duverneuil, Nathalie Cassoux, Magali Le Garff-Tavernier, Myrto Costopoulos, Pierre Faurie, Khê Hoang-Xuan
Primary CNS lymphoma (PCNSL) is chemosensitive to high-dose methotrexate-based chemotherapy. However, responses in the elderly are short-lasting and outcome is poor. Given that radiotherapy and intensive chemotherapy expose elderly to severe toxicities, alternative consolidation approaches need to be evaluated. In this multicenter study, we retrospectively analyzed consecutive patients with newly-diagnosed PCNSL, aged >60, treated with a (R)-MPV-AAA regimen. The regimen consisted of three 28-day cycles of methotrexate (3...
April 21, 2017: Journal of Neuro-oncology
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