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Methotrexate

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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
#1
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/28523450/a-review-of-the-clinical-pharmacokinetics-pharmacodynamics-and-immunogenicity-of-vedolizumab
#2
REVIEW
Maria Rosario, Nathanael L Dirks, Catherine Milch, Asit Parikh, Michael Bargfrede, Tim Wyant, Eric Fedyk, Irving Fox
Vedolizumab is a humanized anti-α4β7 integrin monoclonal antibody that selectively blocks trafficking of memory T cells to inflamed gut tissue by inhibiting the α4β7-mucosal addressin cell adhesion molecule-1 (MAdCAM-1) interaction. Approved for treating patients with moderately to severely active ulcerative colitis (UC) or Crohn's disease (CD), vedolizumab is administered as a 300 mg intravenous infusion. Vedolizumab undergoes a rapid, saturable, non-linear, target-mediated elimination process at low concentrations and a slower, linear, non-specific elimination process at higher concentrations...
May 18, 2017: Clinical Pharmacokinetics
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
#3
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/28523060/management-options-for-interstitial-ectopic-pregnancies-a-case-series
#4
Ilker Kahramanoglu, Zahid Mammadov, Hasan Turan, Aslihan Urer, Abdullah Tuten
OBJECTIVE: Ectopic pregnancy in the interstitial part of the Fallopian tubes can be life-threatining considering the thin myometrial tissue surrounding the gestational sac and highly vascularization which may result in catastrophic haemorrhage when interstitium is ruptured. The diagnosis and management is challenging. Conservative, medical, and surgical treatment options should be considered based on individual patient factors. METHODS: Four women were diagnosed with interstitial pregnancy in last five years in our tertiary center...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28517369/treatment-of-primary-biliary-cholangitis-non-responders-a-systematic-review
#5
Duminda Suraweera, Harman Rahal, Melissa Jimenez, Matthew Viramontes, Gina Choi, Sammy Saab
BACKGROUND: Primary biliary cholangitis (PBC), formerly known as primary biliary cirrhosis, is a chronic cholestatic liver disease characterized by an immune mediated destruction of intrahepatic bile ducts. Ursodeoxycholic acid (UDCA) has been the primary medication for the treatment of PBC, resulting in improved liver tests, resolution of symptoms and increased transplant free survival. However, not all patients respond to UDCA. The aim of this systematic review is to provide an evidence based assessment of the medications that have been studied in patients who are refractory to UDCA...
May 18, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28516872/glucocorticoid-sparing-effect-of-first-year-anti-tnf%C3%AE-treatment-in-rheumatoid-arthritis-corpus-cohort
#6
Carole Duquenne, Daniel Wendling, Jean Sibilia, Chantal Job-Deslandre, Loic Guillevin, Jacques Benichou, René Marc Flipo, Francis Guillemin, Alain Saraux
OBJECTIVES: Anti-TNFα agents are indicated in selected patients with rheumatoid arthritis (RA) who respond inadequately to methotrexate and particularly when glucocorticoids are mandatory. We evaluated whether a glucocorticoid-sparing effect occurred during the first year of anti-TNF-α therapy. METHODS: Between 2007 and 2009, the French multicentre, longitudinal, prospective, observational, population-based CORPUS cohort included biologic-naive patients with inflammatory joint disease...
May 15, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28515935/methotrexate-encephalopathy-two-cases-in-adult-cancer-patients-who-recovered-with-pathophysiologically-based-therapy
#7
Shodeinde A Coker, David A Pastel, Melissa C Davis, Elizabeth M Bengtson, Camilo E Fadul, Lionel D Lewis
BACKGROUND/OBJECTIVES: Neurotoxicity is a serious and sometimes fatal adverse effect that can occur following methotrexate treatment. We describe two adult patients with hematological malignancies with methotrexate encephalopathy who recovered with dextromethorphan therapy. RESULTS: Case 1: A 24-year-old male with acute lymphoblastic leukemia developed the acute onset of bilateral facial weakness and slurred speech after his first treatment with high-dose intravenous methotrexate...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28513856/the-utility-of-a-population-approach-in-drug-drug-interaction-assessments-a-simulation-evaluation
#8
Diane D Wang, Yanke Yu, Nastya Kassir, Min Zhu, William D Hanley, Justin C Earp, Andrew T Chow, Manish Gupta, Chuanpu Hu
This study aims at evaluating the utility of the population pharmacokinetics approach in therapeutic protein drug-drug-interaction (DDI) assessment. Simulations were conducted for 2 representative victim drugs, methotrexate and trastuzumab, using a parallel-group design with and without the interaction drug. The effect of a perpetrator on the exposure of the victim drug is described as the ratio of clearance/apparent clearance of the victim drug given with or without the perpetrator. The power of DDI assessment was calculated as the percentage of runs with 90% confidence interval of the estimated DDI effect within 80% to 125% for the scenarios of no DDI, benchmarked with the noncompartmental approach with intensive sampling...
May 17, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28513247/use-of-non-biologic-treatments-in-antihistamine-refractory-chronic-urticaria-a-review-of-published-evidence
#9
Jesper Grønlund Holm, Ilya Ivyanskiy, Simon Francis Thomsen
BACKGROUND: Knowledge of effectiveness and safety of the non-biologic, non-antihistamine treatments used for chronic urticaria is important as in some cases the principal guideline-recommended drug; omalizumab, has limited effect, side effects, or is too expensive or unavailable. Herein we systematically review the evidence for the use of the non-biologic treatments in antihistamine-refractory chronic urticaria. METHODS: We performed a systematic review of the literature using PubMed and Webofscience and identified studies that reported use of one or more of the non-biological, non-antihistamine treatment options for chronic urticaria...
May 17, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28512993/hla-cw6-positive-patients-with-psoriasis-show-improved-response-to-methotrexate-treatment
#10
J West, S Ogston, J Berg, C Palmer, C Fleming, V Kumar, J Foerster
It is well documented that patients with human leucocyte antigen (HLA)-Cw6+ (type 1) psoriasis have increased severity and reduced age of onset of psoriasis. However, not much is known about any differential response of this genetic subgroup to various treatments. We set out to determine if there was any genetic association of the HLA-Cw6 allele with the first-line systemic treatment commonly used in psoriasis, methotrexate. A cohort of patients from Tayside in Scotland was recruited through a novel generic consenting process (GoShare); they were extensively phenotyped and analysed for an association of their HLA-Cw6 genotype status with treatment outcomes...
May 17, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28512599/effect-of-trichilia-monadelpha-meliaceae-extracts-on-bone-histomorphology-in-complete-freund-s-adjuvant-induced-arthritis
#11
Inemesit Okon Ben, Eric Woode, George Asumeng Koffuor, Eric Boakye-Gyasi, Nicholas Akinwale Titiloye
AIM: This study aimed to assess the effect of petroleum ether extract (PEE), ethyl acetate extract (EthE), and ethanol extract (EAE) of Trichilia monadelpha stem bark on bone histomorphology in arthritis. METHODS: Percentage inhibition of edema and arthritic scores in complete Freund's adjuvant-induced (0.1 ml of 5 mg/ml(1) of heat-killed Mycobacterium tuberculosis in paraffin oil-injected subplantar into the right hind paw) arthritic Sprague-Dawley rats treated with PEE, EthE, or EAE (10,30, and 100 mg/kg(1), respectively), dexamethasone (0...
April 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28511689/harnessing-interactive-technologies-to-improve-health-outcomes-in-juvenile-idiopathic-arthritis
#12
REVIEW
Andrea Coda, Dean Sculley, Derek Santos, Xavier Girones, Lucie Brosseau, Derek R Smith, Joshua Burns, Keith Rome, Jane Munro, Davinder Singh-Grewal
BACKGROUND: Children and adolescents with Juvenile Idiopathic Arthritis (JIA) typically have reduced physical activity level and impaired aerobic and anaerobic exercise capacity when compared to their non-JIA counterparts. Low intensity exercise regimens appear to be safe in children with JIA and may results in improvements in overall physical function. Poor adherence to paediatric rheumatology treatment may lead to negative clinical outcomes and possibly increased disease activity. This includes symptoms such as pain, fatigue, quality of life, longer term outcomes including joint damage, as well as increase of healthcare associated costs...
May 16, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28511684/access-to-pediatric-rheumatology-care-for-juvenile-idiopathic-arthritis-in-the-united-arab-emirates
#13
Khulood Khawaja, Mustafa Al-Maini
BACKGROUND: This study looks at access to care for Juvenile Idiopathic Arthritis through pediatric rheumatology in the UAE, as an example of multi-ethnic society. METHODS: Patients with a diagnosis of Juvenile idiopathic arthritis were identified through the hospital electronic medical records system from January 1st 2011 to December 31st 2014. All residents of the United Arab Emirates hold an Emirates identity card. We divided our patients into two groups: Emirati-Emirates, who are native Emirati children and hold the Emirati nationality, as stated on their Emirates identity card, and who therefore have full, comprehensive access to free medical care; and non-Emirati-Emirates, who represent other nationalities, as stated on their Emirates identity card...
May 16, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28508176/the-prognostic-role-of-cd68-and-foxp3-expression-in-patients-with-primary-central-nervous-system-lymphoma
#14
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
#15
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
#16
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/28507219/subcutaneous-golimumab-for-children-with-active-polyarticular-course-juvenile-idiopathic-arthritis-results-of-a-multicentre-double-blind-randomised-withdrawal-trial
#17
Hermine I Brunner, Nicolino Ruperto, Nikolay Tzaribachev, Gerd Horneff, Vyacheslav G Chasnyk, Violeta Panaviene, Carlos Abud-Mendoza, Andreas Reiff, Ekaterina Alexeeva, Nadina Rubio-Pérez, Vladimir Keltsev, Daniel J Kingsbury, Maria Del Rocio Maldonado Velázquez, Irina Nikishina, Earl D Silverman, Rik Joos, Elzbieta Smolewska, Márcia Bandeira, Kirsten Minden, Annet van Royen-Kerkhof, Wolfgang Emminger, Ivan Foeldvari, Bernard R Lauwerys, Flavio Sztajnbok, Keith E Gilmer, Zhenhua Xu, Jocelyn H Leu, Lilianne Kim, Sarah L Lamberth, Matthew J Loza, Daniel J Lovell, Alberto Martini
OBJECTIVE: This report aims to determine the safety, pharmacokinetics (PK) and efficacy of subcutaneous golimumab in active polyarticular-course juvenile idiopathic arthritis (polyJIA). METHODS: In this three-part randomised double-blinded placebo-controlled withdrawal trial, all patients received open-label golimumab (30 mg/m(2) of body surface area; maximum: 50 mg/dose) every 4 weeks together with weekly methotrexate during Part 1 (weeks 0-16). Patients with at least 30% improvement per American College of Rheumatology Criteria for JIA (JIA ACR30) in Part 1 entered the double-blinded Part 2 (weeks 16-48) after 1:1 randomisation to continue golimumab or start placebo...
May 15, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28506237/clinical-and-mri-outcome-of-cervical-spine-lesions-in-children-with-juvenile-idiopathic-arthritis-treated-with-anti-tnf%C3%AE-drugs-early-in-disease-course
#18
Damjana Ključevšek, Nina Emeršič, Nataša Toplak, Tadej Avčin
BACKGROUNDS: The purpose of the study was to evaluate the clinical and magnetic resonance imaging (MRI) outcome of cervical spine arthritis in children with juvenile idiopathic arthritis (JIA), who received anti-TNFα early in the course of cervical spine arthritis. METHODS: Medical charts and imaging of JIA patients with cervical spine involvement were reviewed in this retrospective study. Data, including age at disease onset, JIA type, disease activity, treatment and clinical outcome were collected...
May 15, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28505414/quantitative-on-line-liquid-chromatography-surface-enhanced-raman-scattering-lc-sers-of-methotrexate-and-its-major-metabolites
#19
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/28503078/variations-in-the-clinical-practice-of-physicians-managing-takayasu-arteritis-a-nationwide-survey
#20
Lillian Barra, Patrick Liang, Susanne M Benseler, David A Cabral, Aurore Fifi-Mah, Yueyang Li, Nataliya Milman, Marinka Twilt, Elaine Yacyshyn, Christian Pagnoux
OBJECTIVE: Takayasu arteritis (TAK) is a large vessel vasculitis that predominately affects young women and can cause severe ischemic complications. Given the rarity of TAK, the management of this condition is challenging. We aim to describe current rheumatologist practices for the management of TAK and identify discrepancies and gaps in knowledge. METHODS: An online survey (developed by the Canadian Vasculitis Network and approved by the Canadian Rheumatology Association) containing 48 questions with regard to the diagnosis, monitoring and treatment of TAK was distributed to 495 Canadian adult and pediatric rheu-matologists by email...
2017: Open Access Rheumatology: Research and Reviews
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