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https://www.readbyqxmd.com/read/28334048/hepatoprotective-effect-of-sitagliptin-against-methotrexate-induced-liver-toxicity
#1
Hany M Abo-Haded, Mohamed A Elkablawy, Zeyad Al-Johani, Osama Al-Ahmadi, Dina S El-Agamy
Sitagliptin is selective dipeptidyl peptidase-4 inhibitor (DPP4-I), used clinically as a new oral anti-diabetic agent. This study explored the underlying mechanisms of the hepatoprotective role of sitagliptin pretreatment against methotrexate (MTX) induced hepatotoxicity in mice. Forty mice were divided into four groups (10 mice each); control, MTX, and two sitagliptin groups (pretreated with sitagliptin 10 and 20 mg/kg/day, respectively) for five consecutive days prior to MTX injection. Results showed that MTX induced marked hepatic injury in the form of cloudy swelling, hydropic degeneration, apoptosis and focal necrosis in all hepatic zones...
2017: PloS One
https://www.readbyqxmd.com/read/28332422/effect-of-methotrexate-on-bone-and-wound-healing
#2
Ippokratis Pountos, Peter V Giannoudis
INTRODUCTION: Methotrexate (MTX) is one of the most commonly used disease modifying drugs administered for wide spectrum of conditions. Through the expansion of the indications of MTX use, an increasing number of patients nowadays attend orthopaedic departments receiving this pharmacological agent. The aim of this manuscript is to present our current understanding on the effect of MTX on bone and wound healing. AREAS COVERED: The authors offer a comprehensive review of the existing literature on the experimental and clinical studies analysing the effect of MTX on bone and wound healing...
March 23, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28331131/the-aggressive-clinical-courses-of-hodgkin-lymphoma-primarily-diagnosed-as-methotrexate-induced-non-specific-lymphoproliferative-disorder-in-patients-with-rheumatoid-arthritis
#3
Michihide Tokuhira, Takayuki Tabayashi, Yuka Tanaka, Yasuyuki Takahashi, Yuta Kimura, Tatsuki Tomikawa, Tomoe Anan-Nemoto, Shuju Momose, Morihiro Higashi, Ayumi Okuyama, Reiko Watanabe, Koichi Amano, Jun-Ichi Tamaru, Masahiro Kizaki
Recently, attention has been focused on methotrexate-induced lymphoproliferative disease (MTX-LPD), and atypical phenotypes are occasionally documented. We encountered two patients with rheumatoid arthritis (RA) who were diagnosed with non-specific LPD (LPD-nos). Biopsy samples were not obtained during the initial examination when the LPD development was discovered, and the patients achieved a complete response after MTX cessation (case 1) or steroid pulse therapy (case 2). However, the tumors flared up 1.5 years later, and LPD-nos was determined following biopsies of the lymph node (LN, case 1) and liver (case 2)...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28324148/comparative-efficacy-and-tolerability-of-sarilumab-150-and-200%C3%A2-mg-in-patients-with-active-rheumatoid-arthritis-a%C3%A2-bayesian-network-meta-analysis-of-randomized-controlled-trials
#4
S-C Bae, Y H Lee
OBJECTIVE: This study aimed to assess the relative efficacy and tolerability of every other week (q2w) dosing of sarilumab 150 and 200 mg in patients with active rheumatoid arthritis (RA). METHODS: In this network meta-analysis, randomized controlled trials (RCTs) examining the efficacy and tolerability of sarilumab in patients with active RA were included. A Bayesian network meta-analysis was conducted to combine the direct and indirect evidence from the RCTs...
March 21, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28322936/the-impact-of-liposomal-formulations-on-the-release-and-brain-delivery-of-methotrexate-a-in-vivo-microdialysis-study
#5
Yang Hu, Jaap Rip, Pieter J Gaillard, Elizabeth de Lange, Margareta Hammarlund-Udenaes
The impact of liposomal formulations on the in vivo release and brain delivery of methotrexate (MTX) was quantitatively assessed in rats. Two PEGylated liposomal MTX formulations based on hydrogenated soy phosphatidylcholine (HSPC) or egg-yolk phosphatidylcholine (EYPC) were prepared. The drug release and uptake into the brain after intravenous administration of both formulations were compared with unformulated MTX by determining the released, unbound MTX in brain and plasma using microdialysis. Total MTX concentrations in plasma were determined using regular blood sampling...
March 17, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28303481/morphea-and-eosinophilic-fasciitis-an-update
#6
REVIEW
Jorre S Mertens, Marieke M B Seyger, Rogier M Thurlings, Timothy R D J Radstake, Elke M G J de Jong
Morphea, also known as localized scleroderma, encompasses a group of idiopathic sclerotic skin diseases. The spectrum ranges from relatively mild phenotypes, which generally cause few problems besides local discomfort and visible disfigurement, to subtypes with severe complications such as joint contractures and limb length discrepancies. Eosinophilic fasciitis (EF, Shulman syndrome) is often regarded as belonging to the severe end of the morphea spectrum. The exact driving mechanisms behind morphea and EF pathogenesis remain to be elucidated...
March 16, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28302487/tug1-mediates-methotrexate-resistance-in-colorectal-cancer-via-mir-186-cpeb2-axis
#7
Changfeng Li, Yongjian Gao, Yongchao Li, Dayong Ding
Colorectal cancer (CRC) is a common malignancy, most of which remain unresponsive to chemotherapy. Methotrexate (MTX) is one of the earliest cytotoxic drugs and serves as an anti-metabolite and anti-folate chemotherapy for various types of cancer. However, MTX resistance prevents its clinical application in cancer therapy. Thereby, overcoming the drug resistance is an alternative strategy to maximize the efficacy of MTX therapies in clinics. Long non-coding RNAs (lncRNAs) have gained widespread attention in recent years...
March 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28299917/the-impact-on-disability-of-initial-treatment-with-methotrexate-in-patients-with-rheumatoid-arthritis-results-from-the-mari-study
#8
M Manara, L Arcarese, G Bianchi, V Corbelli, O Epis, R Laurenti, A Migliore, M Muratore, A Roncaglione, M Rossini, M Savo, L Sinigaglia
The study aimed to assess in a population of subjects with rheumatoid arthritis (RA) treated with methotrexate (MTX) how the initial approach to the treatment influenced subsequent disability. We performed a cross-sectional analysis of data collected during the baseline visit of the MARI study, a multicenter observational study on patients with RA on treatment with MTX for at least 12 months. Subjects who fulfilled the Health Assessment Questionnaire (HAQ) were included in the evaluation. For every patient we retrospectively evaluated the disease duration, the duration of symptoms before the diagnosis, the time elapsed before first MTX treatment, the initial MTX dose, and the concomitant medications in the first six months of therapy...
December 31, 2016: Reumatismo
https://www.readbyqxmd.com/read/28299396/no-correlation-between-mthfr-c-677-c%C3%A2-%C3%A2-t-mthfr-c-1298-a%C3%A2-%C3%A2-c-and-abcb1-c-3435-c%C3%A2-%C3%A2-t-polymorphisms-and-methotrexate-therapeutic-outcome-of-rheumatoid-arthritis-in-west-algerian-population
#9
Wefa Boughrara, Ahmed Benzaoui, Meriem Aberkane, Fatima Zohra Moghtit, Samia Dorgham, Aicha Sarah Lardjam-Hetraf, Hadjer Ouhaibi-Djellouli, Elisabeth Petit Teixeira, Abdallah Boudjema
CONTEXT: The c.677 C > T and c.1298 A > C polymorphisms of methylenetatrahydrofolate reductase (MTHFR) gene and c.3435 C > T polymorphism of ATP-Binding cassette B1 (ABCB1) gene are reported as pharmacogenetic markers, influencing the methotrexate (MTX) therapeutic outcome in rheumatoid arthritis (RA) patients. OBJECTIVES: The aims of this study were to determine the relationship between these polymorphisms and clinical response and/or adverse drug reaction (ADRs) to MTX treatment...
March 15, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28298149/methotrexate-induced-mitochondrial-injury-and-cytochrome-c-release-in-rat-liver-hepatocytes
#10
Abdullah Al Maruf, Peter J O'Brien, Parvaneh Naserzadeh, Rozhina Fathian, Ahmad Salimi, Jalal Pourahmad
Methotrexate (MTX) is a folic acid antagonist that is widely used to treat a variety of diseases. One of the most serious side effects of MTX therapy is hepatotoxicity. The potential molecular cytotoxic mechanisms of MTX toward isolated rat hepatocytes were investigated using Accelerated Cytotoxicity Mechanism Screening (ACMS) techniques. A concentration and time dependent increase in cytotoxicity and reactive oxygen species (ROS) formation and a decrease in mitochondrial membrane potential (MMP) were observed with MTX...
March 16, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28296794/solitary-large-keratoacanthomas-of-the-head-and-neck-an-observational-study
#11
Anthony M Rossi, Brian Park, Bernice Qi, Erica H Lee, Klaus J Busam, Kishwer S Nehal
BACKGROUND: Solitary large keratoacanthomas (KAs) of the head and neck present a management dilemma, as no reliable means to predict the clinical course is available. Although typically considered a low-grade tumor, KAs are reported to invade/metastasize, prompting more aggressive treatment. There is little published regarding factors that predict when a KA behaves more like an aggressive squamous cell carcinoma (SCC). OBJECTIVE: To study the clinical and pathologic features of large solitary head and neck KAs and assess response to intralesional methotrexate (IL-MTX) as well as predictors of clinical course...
March 14, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28296761/polymorphisms-and-pharmacogenomics-for-the-toxicity-of-methotrexate-monotherapy-in-patients-with-rheumatoid-arthritis-a-systematic-review-and-meta-analysis
#12
Qi Qiu, Jing Huang, Yang Lin, Xiaoming Shu, Huizheng Fan, Zhihua Tu, Youwen Zhou, Cheng Xiao
BACKGROUND: Methotrexate (MTX) is widely used and considered a first-line disease modifying antirheumatic drug (DMARD) for the treatment of rheumatoid arthritis (RA). However, 10% to 30% of patients discontinue therapy within a year of starting the treatment, usually because of undesirable side effects. Many of the relevant genes have been investigated to estimate the association between gene polymorphisms and MTX toxicity in RA patients, although inconsistent results have been reported...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28290290/mucus-interactions-with-liposomes-encapsulating-bioactives-interfacial-tensiometry-and-cellular-uptake-on-caco-2-and-cocultures-of-caco-2-ht29-mtx
#13
Yang Li, Elena Arranz, Anilda Guri, Milena Corredig
Structuring of delivery matrices in foods aquires careful designing for optimal delivery and subsiquent absorption of the beneficial compounds in the gut. There has been quite improvement in mimicking digestion and absorption in vitro but as of yet little is understood on mucus interference in nutrient absorption Therefore in this study interactions of human intestinal mucus with milk and soy phospholipids liposomes carring hydrophilic (epigallocatechin-3-gallate) or hydrophobic (β-carotene) bioactive molecules were investigated...
February 2017: Food Research International
https://www.readbyqxmd.com/read/28288894/endogenous-inspired-biomineral-installed-hyaluronan-nanoparticles-as-ph-responsive-carrier-of-methotrexate-for-rheumatoid-arthritis
#14
Md Mahmudul Alam, Hwa Seung Han, Shijin Sung, Jin Hee Kang, Keum Hee Sa, Hasan Al Faruque, Jungwan Hong, Eon Jeong Nam, In San Kim, Jae Hyung Park, Young Mo Kang
Methotrexate (MTX), an anchor drug for rheumatoid arthritis (RA), has been suffered from refractoriness and high toxicity limiting effective dosage. To mitigate these challenges, the ability to selectively deliver MTX to arthritis tissue is a much sought-after modality for the treatment of RA. In this study, we prepared mineralized nanoparticles (MP-HANPs), composed of PEGylated hyaluronic acid (P-HA) as the hydrophilic shell, 5β-cholanic acid as the hydrophobic core, and calcium phosphate (CaP) as the pH-responsive mineral...
March 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28288682/low-disease-activity-for-up-to-3%C3%A2-years-after-adalimumab-discontinuation-in-patients-with-early-rheumatoid-arthritis-2-year-results-of-the-hopeful-3-study
#15
Yoshiya Tanaka, Hisashi Yamanaka, Naoki Ishiguro, Nobuyuki Miyasaka, Katsuyoshi Kawana, Junko Kimura, Naoki Agata, Tsutomu Takeuchi
BACKGROUND: This study was conducted to evaluate the feasibility of long-term adalimumab (ADA) discontinuation after achievement of low disease activity (LDA) in Japanese patients with early rheumatoid arthritis (RA) and to identify predictors of LDA maintenance. METHODS: In the HOPEFUL-1 study, patients received initial therapy with either ADA plus methotrexate (MTX; intensive therapy) or MTX alone (standard therapy) for 26 weeks, followed by ADA + MTX for 26 weeks...
March 14, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28285056/unilateral-salpingectomy-and-methotrexate-are-associated-with-similar-recurrence-rate-of-ectopic-pregnancy-in-patients-undergoing-ivf
#16
Mohamad Irani, Alex Robles, Vinay Gunnala, Steven D Spandorfer
STUDY OBJECTIVE: To determine whether different treatment approaches of ectopic pregnancy (EP), particularly unilateral salpingectomy and methotrexate, affect its recurrence rate in patients undergoing in vitro fertilization (IVF). DESIGN: Retrospective cohort study. DESIGN: Classification: Canadian Task Force Classification II-2. SETTING: Academic medical center. PATIENTS: Patients with a history of previous EP who achieved pregnancy following IVF cycles between January 2004 and August 2015 were included...
March 8, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28282956/effects%C3%A2-of%C3%A2-resveratrol%C3%A2-supplementation%C3%A2-on%C3%A2-methotrexate%C3%A2-chemotherapy-induced%C3%A2-bone%C3%A2-loss
#17
Alice M C Lee, Tetyana Shandala, Pei Pei Soo, Yu-Wen Su, Tristan J King, Ke-Ming Chen, Peter R Howe, Cory J Xian
Intensive cancer chemotherapy is known to cause bone defects, which currently lack treatments. This study investigated the effects of polyphenol resveratrol (RES) in preventing bone defects in rats caused by methotrexate (MTX), a commonly used antimetabolite in childhood oncology. Young rats received five daily MTX injections at 0.75 mg/kg/day. RES was orally gavaged daily for seven days prior to, and during, five-day MTX administration. MTX reduced growth plate thickness, primary spongiosa height, trabecular bone volume, increased marrow adipocyte density, and increased mRNA expression of the osteogenic, adipogenic, and osteoclastogenic factors in the tibial bone...
March 9, 2017: Nutrients
https://www.readbyqxmd.com/read/28282491/biologics-or-tofacitinib-for-people-with-rheumatoid-arthritis-unsuccessfully-treated-with-biologics-a-systematic-review-and-network-meta-analysis
#18
REVIEW
Jasvinder A Singh, Alomgir Hossain, Elizabeth Tanjong Ghogomu, Amy S Mudano, Lara J Maxwell, Rachelle Buchbinder, Maria Angeles Lopez-Olivo, Maria E Suarez-Almazor, Peter Tugwell, George A Wells
BACKGROUND: Biologic disease-modifying anti-rheumatic drugs (DMARDs: referred to as biologics) are effective in treating rheumatoid arthritis (RA), however there are few head-to-head comparison studies. Our systematic review, standard meta-analysis and network meta-analysis (NMA) updates the 2009 Cochrane overview, 'Biologics for rheumatoid arthritis (RA)' and adds new data. This review is focused on biologic or tofacitinib therapy in people with RA who had previously been treated unsuccessfully with biologics...
March 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28279742/surface-functionalization-of-methotrexate-loaded-chitosan-nanoparticles-with-hyaluronic-acid-human-serum-albumin-comparative-characterization-and-in-vitro-cytotoxicity
#19
Rania A Hashad, Rania A H Ishak, Ahmed S Geneidi, Samar Mansour
The active tumor targeting ligands, hyaluronic acid (HA) and human serum albumin (HSA), are considered promising targeting moieties of drug carriers for cancer therapy. The chitosan nanoparticles loaded with methotrexate (MTX-CsNPs) were employed as the core for subsequent coating process. HA and HSA coating solutions were used at different concentrations. The effect of different HA Mw (1000, 360, 10kDa) was also investigated. The coated MTX-CsNPs was characterized proving the success of surface functionalization...
March 6, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28278731/treatment-of-initial-parenchymal-central-nervous-system-involvement-in-systemic-aggressive-b-cell-lymphoma
#20
Marcel Nijland, Anne Jansen, Jeanette K Doorduijn, Roelien H Enting, Jacoline E C Bromberg, Hanneke C Kluin-Nelemans
Central nervous system (CNS) involvement in systemic B-cell non-Hodgkin lymphoma (B-NHL) at diagnosis (sysCNS) is rare. We investigated the outcome of 21 patients with sysCNS, most commonly diffuse large B-cell lymphoma, treated with high dose methotrexate (HD-MTX) and R-CHOP. The median number of cycles of HD-MTX and R-CHOP was 4 (range 1-8) and 6 (range 0-8), respectively. Consolidative whole brain radiotherapy (WBRT) was given to 33% (7/21) patients. With a median follow-up of 44 months the 3-year progression free survival (PFS) and overall survival (OS) were 45% (95%CI 34-56%) and 49% (95%CI 38-60%), respectively...
February 6, 2017: Leukemia & Lymphoma
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