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https://www.readbyqxmd.com/read/28535545/portuguese-recommendations-for-the-use-of-methotrexate-in-rheumatic-diseases-2016-update
#1
Ana Catarina Duarte, Daniela Santos-Faria, Maria João Gonçalves, Alexandre Sepriano, Ana Filipa Mourão, Cátia Duarte, Joana Sousa Neves, Ana Filipa Águeda, Pedro Ávila Ribeiro, Alexandra Daniel, Adriano Neto, Ana Cordeiro, Ana Rodrigues, Anabela Barcelos, Cândida Silva, Cristina Ponte, Elsa Vieira-Sousa, Filipa Teixeira, Filipa Oliveira-Ramos, Filipe Araújo, Filipe Barcelos, Helena Canhão, Helena Santos, João Ramos, Joaquim Pereira, José Costa, José António Melo Gomes, Luís Cunha-Miranda, Lúcia Costa, Marcos Cerqueira, Margarida Cruz, Maria José Santos, Miguel Bernardes, Paula Oliveira, Pedro Abreu, Ricardo Figueira, Rita Barros, Sandra Falcão, Patrícia Pinto, Sofia Pimenta, Susana Capela, Vitor Teixeira, João Eurico Fonseca
BACKGROUND: Methotrexate (MTX) is the first-line drug in the treatment of rheumatoid arthritis (RA) and the most commonly prescribed disease modifying anti-rheumatic drug. Moreover, it is also used as an adjuvant drug in patients under biologic therapies, enhancing the efficacy of biologic agents. OBJECTIVES: To review the literature and update the Portuguese recommendations for the use of MTX in rheumatic diseases first published in 2009. METHODS: The first Portuguese guidelines for the use of MTX in rheumatic diseases were published in 2009 and were integrated in the multinational 3E Initiative (Evidence Expertise Exchange) project...
May 9, 2017: Acta Reumatológica Portuguesa
https://www.readbyqxmd.com/read/28535535/inflammation-is-an-important-covariate-for-the-crosstalk-of-sleep-and-the-hpa-axis-in-rheumatoid-arthritis
#2
Rainer H Straub, Jaqueline Detert, René Dziurla, Ingo Fietze, Peter-Andreas Loeschmann, Gerd R Burmester, Frank Buttgereit
Rheumatoid arthritis (RA) patients have sleep problems, and inflammation influences sleep. We demonstrated that sleep quality improves during intensified treatment with methotrexate (MTX) or etanercept (ETA). Since the hypothalamic-pituitary-adrenal (HPA) axis is involved in sleep regulation, this study investigated the interrelation between sleep parameters, inflammation as objectified by C-reactive protein (CRP), and serum cortisol and adrenocorticotropic hormone (ACTH) levels. Thirty-one eligible patients (disease activity score, DAS28CRP ≥3...
May 24, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28532020/ph-responsive-drug-release-and-real-time-fluorescence-detection-of-porous-silica-nanoparticles
#3
Xu Zhang, Yamin Wang, Yanbao Zhao, Lei Sun
In this work, pH-sensitive "dual-switch" porous silica (pSiO2) nanoparticles (NPs) were constructed for drug delivery. Poly(acrylic acid) (PAA) was grafting onto the internal and external surfaces of amino groups functionalized porous silica (pSiO2-NH2) NPs by the amidation between the amino groups and the carboxyl groups of PAA for pH triggered drug release. The resultant pSiO2/PAA NPs have an average diameter of 50-60nm and high specific surface area (914m(2)·g(-1)). To improve the loading capacity, ZnO quantum dots (QDs) were used to block the partial pores of pSiO2/PAA and the loading capacity reached to 28% for methotrexate (MTX) model drug...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28530541/synthesis-of-new-antibacterial-cubane-based-nanocomposite-and-its-application-in-combination-cancer-therapy
#4
Elham Zakerzadeh, Roya Salehi, Mehrdad Mahkam
BACKGROUND: The need for therapeutically effective anticancer drug delivery systems constantly persuades researchers to explore novel strategies. OBJECTIVE: In this study a novel cubane based antibacterial nanocomposite was tailored as dual chemotherapy drug delivery vesicle in order to increase the therapeutic outcome in cancer therapy. METHOD: The physico-chemical characterization of engineered nanocarrier was assessed by Fourier transforms infrared spectroscopy (FTIR), Hydrogen nuclear magnetic resonance spectroscopy (1H NMR), Thermogravimetric analysis (TGA), and Field emission scanning electron microscopy-energy dispersive using X-ray (FESEM-EDX)...
May 22, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28526120/a-new-species-of-gambierdiscus-dinophyceae-from-the-south-west-pacific-gambierdiscus-honu-sp-nov
#5
Lesley Rhodes, Kirsty F Smith, Arjun Verma, Belinda G Curley, D Tim Harwood, Sam Murray, Gurjeet S Kohli, Dorothy Solomona, Teina Rongo, Rex Munday, Shauna A Murray
Two isolates of a new tropical, epiphytic dinoflagellate species, Gambierdiscus honu sp. nov., were obtained from macroalgae sampled in Rarotonga, Cook Islands, and from North Meyer Island, Kermadec Islands. Gambierdiscus honu sp. nov. had the common Gambierdiscus Kofoidian plate formula: Po, 3', 6″, 6C?, 6 or 7S, 5‴, 1p and 2⁗. The characteristic morphological features of this species were its relatively small short dorsoventral length and width and the shape of individual plates, in particular the combination of the hatchet-shaped 2' and pentagonal 3' plates and the length to width ratio of the antapical 1p plate...
May 2017: Harmful Algae
https://www.readbyqxmd.com/read/28525903/polymorphisms-in-methotrexate-transporters-and-their-relationship-to-plasma-methotrexate-levels-toxicity-of-high-dose-methotrexate-and-outcome-of-pediatric-acute-lymphoblastic-leukemia
#6
Shu-Guang Liu, Chao Gao, Rui-Dong Zhang, Xiao-Xi Zhao, Lei Cui, Wei-Jing Li, Zhen-Ping Chen, Zhi-Xia Yue, Yuan-Yuan Zhang, Min-Yuan Wu, Jian-Xiang Wang, Zhi-Gang Li, Hu-Yong Zheng
High-dose methotrexate (HDMTX) plays an important role in the treatment of acute lymphoblastic leukemia (ALL) although there is great inter-patient variability in the efficacy and toxicity of MTX. The relationship between polymorphisms in genes encoding MTX transporters and MTX response is controversial. In the present study, 322 Chinese children with standard- and intermediate-risk ALL were genotyped for 12 polymorphisms. SLCO1B1 rs10841753 showed a significant association with plasma MTX levels at 48 h (P = 0...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523420/cost-utility-analysis-of-certolizumab-pegol-in-combination-with-methotrexate-in-patients-with-moderate-to-severe-active-rheumatoid-arthritis-in-greece
#7
C Tzanetakos, A Tzioufas, A Goules, G Kourlaba, T Theodoratou, P Christou, N Maniadakis
We aimed to evaluate the cost-effectiveness of certolizumab pegol (CZP), a pegylated fc-free anti-TNF, as add-on therapy to methotrexate (MTX) versus etanercept, adalimumab, or golimumab in patients with moderate-to-severe active rheumatoid arthritis (RA) not responding to the conventional synthetic disease-modifying anti-rheumatic drugs (csDMARDs). A Markov model (6-month cycle length) assessed health and cost outcomes of CZP versus other anti-TNFs recommended for RA in Greece over a patient's lifetime. Following discontinuation of first-line anti-TNF, patients switched to second anti-TNF and then to a biologic with another mode of action...
May 18, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28508176/the-prognostic-role-of-cd68-and-foxp3-expression-in-patients-with-primary-central-nervous-system-lymphoma
#8
Hyunsoo Cho, Se Hoon Kim, Soo-Jeong Kim, Jong Hee Chang, Woo Ick Yang, Chang-Ok Suh, June-Won Cheong, Yu Ri Kim, Jung Yeon Lee, Ji Eun Jang, Yundeok Kim, Yoo Hong Min, Jin Seok Kim
The prognostic role of CD68 and FoxP3 in primary central nervous system lymphoma (PCNSL) has not been evaluated. Thus, we examined the prognostic significance of CD68 and FoxP3 expression in tumor samples of 76 newly diagnosed immunocompetent PCNSL patients. All patients were treated initially with high-dose methotrexate (HD-MTX)-based chemotherapy, and 16 (21.1%) patients received upfront autologous stem cell transplantation (ASCT) consolidation. High expression of CD68 (>55 cells/high-power field) or FoxP3 (>15 cells/high-power field) was observed in 10 patients, respectively...
May 15, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28507640/histopathological-features-of-methotrexate-induced-pulmonary-lesions-in-rheumatoid-arthritis-patients-a-systematic-review-of-case-reports
#9
REVIEW
Anthony Thaniyan, Foad F A Ayman, Hyder O Mirghani, Badr A Al-Sayed, Tarig H Merghani
BACKGROUND: Methotrexate (MTX) is the most commonly used disease-modifying drug in the treatment of rheumatoid arthritis (RA); however, it causes many side effects, including pulmonary lesions. In this review, we characterised the histopathological features of MTX-induced pulmonary lesions in RA patients. AIM: We carried out an electronic search of the relevant literature published during the period from 1990 to 2016. We included only the cases with definitive histo-pathological findings caused by MTX therapy...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28507446/methotrexate-an-effective-monotherapy-for-refractory-generalized-morphea
#10
Eftychia Platsidaki, Vassiliki Tzanetakou, Anargyros Kouris, Panagiotis G Stavropoulos
INTRODUCTION: Morphea is an inflammatory skin disorder characterized by excessive collagen deposition. Although treatment algorithms for morphea subtypes have been suggested, no consistent recommendations are available. This study attempts to evaluate the clinical efficacy of methotrexate (MTX) as monotherapy in refractory generalized morphea. METHODS: It is a retrospective study, including 20 patients who had already been treated with various topical and systemic therapies with minimal clinical improvement...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28505414/quantitative-on-line-liquid-chromatography-surface-enhanced-raman-scattering-lc-sers-of-methotrexate-and-its-major-metabolites
#11
Abdu Subaihi, Drupad K Trivedi, Katherine Anne Hollywood, James Bluett, Yun Xu, Howbeer Muhamadali, David I Ellis, Royston Goodacre
The application of Raman spectroscopy as a detection method coupled with liquid chromatography (LC) has recently attracted considerable interest, although this has currently been limited to isocratic elution. The combination of LC with rapidly advancing Raman techniques, such as surface-enhanced Raman scattering (SERS), allows for the rapid separation, identification and quantification, leading to quantitative discrimination of closely eluting analytes. This study has demonstrated the utility of SERS in conjunction with reversed phase liquid chromatography (RP-LC), for the detection and quantification of the therapeutically relevant drug molecule methotrexate (MTX) and its metabolites 7-hydroxy methotrexate and 2,4-diamino-N(10)-methylpteroic acid (DAMPA) in pure solutions and mixtures, including spikes into human urine from a healthy individual...
May 15, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28503952/hyaluronic-acid-polyethylene-glycol-nanoparticles-for-controlled-delivery-of-mitoxantrone
#12
Azam Sargazi, Naeem Kamali, Fereshteh Shiri, Mostafa Heidari Majd
Hyaluronic acid (HA) has inherent ability to target the CD44 receptors and internalize into tumour cells via receptor-mediated endocytosis. Therefore, conjugation of this natural linear polysaccharide to polymeric NPs or micelles, as one of the most promising approaches, could be useful for future clinical applications such as drug delivery. Accordingly, we report on the synthesis of mitoxantrone (MTX)-conjugated polymeric nanoparticles (NPs) composed of polyethylene glycol-HA (PEG-HA) for MTX delivery toward special tumour cells...
May 14, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28502927/mizoribine-synchronized-methotrexate-therapy-should-be-considered-when-treating-rheumatoid-arthritis-patients-with-an-inadequate-response-to-various-combination-therapies
#13
Keigo Ikeda, Kozo Watanabe, Takuya Hirai, Kana Tanji, Tomoko Miyashita, Shihoko Nakajima, Kaori Uomori, Shinji Morimoto, Kenji Takamori, Hideoki Ogawa, Yoshinari Takasaki, Iwao Sekigawa
Objective The objective of this study was to confirm the efficacy of low-dose mizoribine (MZR), an inhibitor of inosine monophosphate dehydrogenase, as part of synchronized methotrexate (MTX) therapy for rheumatoid arthritis (RA) patients with an inadequate response to various combination therapies of MTX, other synthetic disease-modifying anti-rheumatic drugs (DMARDs) and biological DMARDs. Methods Low-dose MZR was administered to 56 uncontrolled RA patients being treated with MTX and various biological DMARDs...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28500750/nausea-and-vomiting-in-children-and-adolescents-receiving-intrathecal-methotrexate-a-prospective-observational-study
#14
Jacqueline Flank, Komail Nadeem, Sheliza Moledina, Mila Khanna, Christina Schindera, Angela Punnett, L Lee Dupuis
BACKGROUND: The prevalence of nausea and vomiting after receipt of intrathecal methotrexate (IT-MTX) in pediatric oncology patients is unknown. METHODS: Patients (4-18 years) about to receive IT-MTX were eligible to participate in this prospective, observational study. Patients received antiemetics as prescribed by their clinical team. Nausea severity (patient-assessed), timing of emetic episodes, and administration of antiemetics were recorded beginning immediately prior to IT-MTX administration, for the next 24 hr (acute phase), and for a maximum of 7 additional days (delayed phase)...
May 13, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28499754/methotrexate-induced-epidermal-necrosis-a-case-series-of-24-patients
#15
Ting-Jui Chen, Wen-Hung Chung, Chun-Bing Chen, Rosaline Chung-Yee Hui, Yu-Huei Huang, Yueh-Tsung Lu, Chang-Wei Wang, Kuo-Hsien Wang, Li-Cheng Yang, Shuen-Iu Hung
BACKGROUND: Methotrexate-induced epidermal necrosis (MEN) is a rare but life-threatening cutaneous reaction that mimics Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). OBJECTIVES: To investigate the clinicopathology, risk factors, and prognostic factors of MEN. METHODS: We enrolled 24 patients with MEN and 150 controls and analyzed the demographics, pathology, and plasma concentrations of methotrexate (MTX). RESULTS: Patients with MEN showed extensive skin necrosis (mean, 33...
May 10, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28499189/synthesis-biological-evaluation-and-molecular-modeling-study-of-new-1-2-4-triazole-or-1-3-4-thiadiazole-methylthio-derivatives-of-quinazolin-4-3h-one-as-dhfr-inhibitors
#16
Yomna I El-Gazzar, Hanan H Georgey, Shahenda M El-Messery, Heba A Ewida, Ghada S Hassan, Marwa M Raafat, Menna A Ewida, Hussein I El-Subbagh
A new series of 2-mercapto-quinazolin-4-one analogues was designed, synthesized and evaluated for their in vitro DHFR inhibition, antitumor and antimicrobial activity. Compound 17 proved to be the most active DHFR inhibitor with IC50 value of 0.01μM, eight fold more active than methotrexate (MTX). Compounds 16 and 24 showed antitumor activity against human Caco2 colon and MCF-7 breast tumor cell lines with IC50 values of 25.4 and 9.5μg/ml, respectively. Compounds 15, 20, 21 and 30 showed considerable activity against the Gram-positive bacteria Staphylococcus aureus while 24 and 30 proved active against Bacillus subtilis with a magnitude of potency comparable to the broad spectrum antibiotic Ciprofloxacin...
May 4, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28496133/folate-metabolism-regulates-oligodendrocyte-survival-and-differentiation-by-modulating-ampk%C3%AE-activity
#17
Qinjie Weng, Jiajia Wang, Jiaying Wang, Biqin Tan, Jing Wang, Haibo Wang, Tao Zheng, Q Richard Lu, Bo Yang, Qiaojun He
Folate, an essential micronutrient, is a critical cofactor in one-carbon metabolism for many cellular pathways including DNA synthesis, metabolism and maintenance. Folate deficiency has been associated with an increased risk of neurological disease, cancer and cognitive dysfunction. Dihydrofolate reductase (DHFR) is a key enzyme to regulate folate metabolism, however folate/DHFR activity in oligodendrocyte development has not been fully understood. Here we show that folate enhances oligodendrocyte maturation both in vitro and in vivo, which is accompanied with upregulation of oligodendrocyte-specific DHFR expression...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28487948/effect-of-aloe%C3%A2-emodin-on-the-proliferation-and-apoptosis-of-human-synovial-mh7a-cells-a-comparison-with-methotrexate
#18
Motoko Hashiguchi, Kaori Suzuki, Kazuo Kaneko, Isao Nagaoka
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by synovial hyperplasia. Methotrexate (MTX), an antifolate derivative, is used for the treatment of RA, as it exerts antiproliferative efftects on lymphocytes and synovial cells. Aloe‑emodin (AE) is a primary component of anthraquinones in Aloe vera and exerts antiproliferative and apoptotic effects on various tumor cells. In the present study, the effect of AE on the proliferation and apoptosis of MH7A human RA synovial cells was examined...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28484154/spontaneous-regression-of-methotrexate-related-diffuse-large-b-cell-lymphoma-following-bladder-lesion-resection
#19
Michiko Yamada, Hiroyuki Kuroda, Ken Sato, Shogo Miura, Saki Ameda, Hiroya Sakano, Takanori Shibata, Naoki Uemura, Tomoyuki Abe, Shigeyuki Fujii, Masahiro Maeda, Miri Fujita, Junji Kato
A 71-year-old woman who had been treated with methotrexate (MTX) and prednisolone for rheumatoid arthritis since 2010 presented with hematuria. Cystitis was diagnosed. Chest and abdominal CT images revealed a bladder tumor, with lung and bilateral adrenal metastases. Transurethral resection of the bladder tumor (TUR-BT) confirmed these findings in September 2014. Histological findings of the bladder included large atypical lymphoid cells indicating diffuse large B-cell lymphoma. After TUR-BT, CT imaging showed that the tumor had shrunk...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28481462/biologics-or-tofacitinib-for-people-with-rheumatoid-arthritis-naive-to-methotrexate-a-systematic-review-and-network-meta-analysis
#20
REVIEW
Jasvinder A Singh, Alomgir Hossain, Amy S Mudano, Elizabeth Tanjong Ghogomu, Maria E Suarez-Almazor, Rachelle Buchbinder, Lara J Maxwell, Peter Tugwell, George A Wells
BACKGROUND: Biologic disease-modifying anti-rheumatic drugs (biologics) are highly effective in treating rheumatoid arthritis (RA), however there are few head-to-head biologic comparison studies. We performed a systematic review, a standard meta-analysis and a network meta-analysis (NMA) to update the 2009 Cochrane Overview. This review is focused on the adults with RA who are naive to methotrexate (MTX) that is, receiving their first disease-modifying agent. OBJECTIVES: To compare the benefits and harms of biologics (abatacept, adalimumab, anakinra, certolizumab pegol, etanercept, golimumab, infliximab, rituximab, tocilizumab) and small molecule tofacitinib versus comparator (methotrexate (MTX)/other DMARDs) in people with RA who are naive to methotrexate...
May 8, 2017: Cochrane Database of Systematic Reviews
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