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Corticosteroid resistance

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https://www.readbyqxmd.com/read/28532478/study-protocol-a-double-blind-randomised-control-trial-of-high-volume-image-guided-injections-in-achilles-and-patellar-tendinopathy-in-a-young-active-population
#1
Robert M Barker-Davies, Alastair Nicol, I McCurdie, James Watson, Polly Baker, Patrick Wheeler, Daniel Fong, Mark Lewis, Alexander N Bennett
BACKGROUND: Chronic tendinopathy is a significant problem particularly in active populations limiting sporting and occupational performance. The prevalence of patellar tendinopathy in some sports is near 50% and the incidence of lower limb tendinopathy is 1.4% p.a. in the UK Military. Management includes isometric, eccentric, heavy slow resistance exercises and extracorporeal shockwave therapy (ESWT). Often these treatments are inadequate yet there is no good evidence for injection therapies and success rates from surgery can be as low as 50%...
May 22, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28530051/-bullous-pemphigoid-resistant-to-corticosteroids
#2
Mohammad Sah, Dganit Rozenman, Eran Cohen, Michael Ziv
Bullous pemphigoid is the most common autoimmune bullous disease, treated with low dosage local or systemic corticosteroids. This is a case report of a 65 years-old female patient with a month long history of a bullous disease before admission to the dermatology department with a generalized bullous rash. Clinical examination and histopathology revealed bullous pemphigoid. She was treated according to the established protocol with systemic corticosteroids. The amount of prednisone was raised to 100mg per day for 8 weeks without any noticeable improvement, instead there was a worsening of her symptoms...
October 2016: Harefuah
https://www.readbyqxmd.com/read/28529549/abiraterone-acetate-and-prednisone-in-chemotherapy-na%C3%A3-ve-prostate-cancer-patients-rationale-evidence-and-clinical-utility
#3
REVIEW
E David Crawford, Neal D Shore, Daniel P Petrylak, Celestia S Higano, Charles J Ryan
Abiraterone acetate 1000 mg/day, combined with prednisone 5 mg PO twice daily, is indicated for the treatment of metastatic castration-resistant prostate cancer (mCRPC). Abiraterone acetate is the oral prodrug of abiraterone, a specific CYP17 inhibitor that blocks androgen biosynthesis within the adrenal glands, testes and tumor microenvironment. In a phase III trial of men with asymptomatic or minimally symptomatic, chemotherapy-naïve mCRPC, treatment with oral abiraterone acetate plus prednisone led to a statistically significant improvement in the co-primary endpoints of overall survival and radiographic progression-free survival when compared with placebo plus prednisone...
May 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28523172/roles-of-roflumilast-a-selective-phosphodiesterase-4-inhibitor-in-airway-diseases
#4
REVIEW
Theerasuk Kawamatawong
Asthma and chronic obstructive pulmonary disease (COPD) are common chronic respiratory diseases. Both diseases have incompletely distinct pathophysiology, clinical manifestation, and treatment responsiveness. Pulmonary and systemic inflammations are the hallmarks of COPD. Most asthma responds to inhaled corticosteroid (ICS) treatment. In contrast, COPD is a corticosteroid-resistant disease. Bronchodilators are a preferred treatment method of COPD, with the aim of improving symptoms and preventing exacerbation...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28512018/nanoencapsulation-of-a-glucocorticoid-improves-barrier-function-and-anti-inflammatory-effect-on-monolayers-of-pulmonary-epithelial-cell-lines
#5
Lucas A Rigo, Cristiane S Carvalho-Wodarz, Adriana R Pohlmann, Silvia S Guterres, Nicole Schneider-Daum, Claus-Michael Lehr, Ruy C R Beck
The anti-inflammatory effect of polymeric deflazacort nanocapsules (NC-DFZ) was investigated, and possible improvement of epithelial barrier function using filter grown monolayers of A549 and Calu-3 using as models was assessed. NC prepared from poly(ε-caprolactone) (PCL) had a mean size around 200 nm, slightly negative zeta potential (∼ - 8 mV), and low polydispersity index (< 0.10). Encapsulation of DFZ had an efficiency of 85%. No cytotoxic effects were observed at particle concentration of 9.85 x 10(11) NC/ml, which was therefore chosen to evaluate the effect of NC-DFZ at 1% (w/v) of PCL and 0...
May 13, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28507598/thalidomide-induces-clinical-remission-and-mucosal-healing-in-adults-with-active-crohn-s-disease-a-prospective-open-label-study
#6
Yao He, Ren Mao, Fang Chen, Ping-Ping Xu, Bai-Li Chen, Yun Wu, Yun Qiu, Sheng-Hong Zhang, Rui Feng, Zhi-Rong Zeng, Shomron Ben-Horin, Min-Hu Chen
BACKGROUND: Thalidomide is effective in inducing and maintaining clinical remission in children and adolescents with refractory Crohn's disease (CD). However, little is known about the efficacy and safety of thalidomide for adult patients with CD. METHODS: We conducted a prospective open-label cohort study between January 2013 and April 2015. A total of 47 adult patients with active CD who were dependent/resistant or intolerant to corticosteroids and/or immunomodulators or biologics received 50-100 mg of thalidomide daily...
May 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28499892/tocilizumab-for-giant-cell-arteritis-with-corticosteroid-resistant-progressive-anterior-ischemic-optic-neuropathy
#7
Julien Vionnet, Guillaume Buss, Cédric Mayer, Arseny A Sokolov, François-Xavier Borruat, François Spertini
BACKGROUND: Giant cell arteritis is an inflammatory disorder of the medium- and large-size arteries. Permanent visual loss related to arteritic anterior ischemic optic neuropathy is among the most serious complications of this disease and initial treatment usually consists in high dose corticosteroids. There is no consensus in the literature concerning the optimal therapeutic approach in giant cell arteritis patients with corticosteroid-resistant arteritic anterior ischemic optic neuropathy...
May 9, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28498438/dexamethasone-reduces-side-population-fraction-through-downregulation-of-abcg2-transporter-in-mcf-7-breast-cancer-cells
#8
Jong Bin Kim, Sung Eun Hwang, Sang-Pil Yoon
Side population (SP) cells represent a rare population among breast cancer cells. SP cells have been reported to act as cancer stem‑like cells, and to participate in the development of multidrug resistance via modulating the expression of ATP-binding cassette subfamily G member 2 (ABCG2). Dexamethasone is a corticosteroid drug that has been used as an adjuvant treatment to enhance the efficacy of chemotherapeutic agents; however, its effects in breast cancer have yet to be thoroughly investigated. In the present study, the effects of dexamethasone were investigated using the human MCF‑7 breast cancer cell line, and SPs were examined in detail...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28497921/macrolide-resistance-and-its-impacts-on-m-pneumoniae-pneumonia-in-children-comparison-of-two-recent-epidemics-in-korea
#9
Jong Hyun Kim, Jee Yong Kim, Chang Hoon Yoo, Won Hee Seo, Young Yoo, Dae Jin Song, Ji Tae Choung
PURPOSE: The aim of this study was to investigate the change in macrolide resistance rate in pediatric Mycoplasma pneumoniae pneumonia and to evaluate the influence of macrolide-resistant M. pneumoniae (MRMP) on the clinical course of disease, by comparing 2 recent, consecutive epidemics in Korea. METHODS: A total of 250 patients with M. pneumoniae pneumonia admitted to a single tertiary hospital were enrolled in this study. Detection of MRMP was based on specific point mutations in domain V of the 23S rRNA gene...
July 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28493293/responsiveness-to-oral-prednisolone-in-severe-asthma-is-related-to-the-degree-of-eosinophilic-airway-inflammation
#10
Ana R Sousa, Richard P Marshall, Linda C Warnock, Sarah Bolton, Annette Hastie, Fiona Symon, Beverley Hargadon, Hilary Marshall, Matthew Richardson, Christopher E Brightling, Pranab Haldar, Roberta Milone, Peter Chalk, Rick Williamson, Reynold Panettieri, Richard Knowles, Eugene R Bleecker, Andrew J Wardlaw
BACKGROUND: Patients with severe asthma appear relatively corticosteroid resistant. Corticosteroid responsiveness is closely related to the degree of eosinophilic airway inflammation. The extent to which eosinophilic airway inflammation in severe asthma responds to treatment with systemic corticosteroids is not clear. OBJECTIVE: To relate the physiological and inflammatory response to systemic corticosteroids in asthma to disease severity and the baseline extent of eosinophilic inflammation...
May 10, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28490264/effects-of-metabolic-syndrome-on-the-functional-outcomes-of-corticosteroid-injection-for-de-quervain-tenosynovitis
#11
Y H Roh, J H Noh, H S Gong, G H Baek
Metabolic syndrome is a constellation of medical conditions that arise from insulin resistance and abnormal adipose deposition and function. In patients with metabolic syndrome and De Quervain tenosynovitis this might affect the outcome of treatment by local corticosteroid injection. A total of 64 consecutive patients with De Quervain tenosynovitis and metabolic syndrome treated with corticosteroid injection were age- and sex-matched with 64 control patients without metabolic syndrome. The response to treatment, including visual analogue scale score for pain, objective findings consistent with De Quervain tenosynovitis (tenderness at first dorsal compartment, Finkelstein test result), and Disability of the Arm, Shoulder, and Hand score were assessed at 6, 12, and 24 weeks follow-up...
February 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28487105/is-free-triiodothyronine-important-in-the-development-of-insulin-resistance-in-healthy-people
#12
Vicente A Benites-Zapata, Diego Urrunaga-Pastor, Cristina Torres-Mallma, Christian Prado-Bravo, Mirella Guarnizo-Poma, Herbert Lázaro-Alcántara
OBJECTIVE: To determine the association between thyroid hormones and insulin resistance in a population of healthy individuals. MATERIALS AND METHODS: We conducted an analytical cross-sectional study in adults who attended a private clinic from 2012 to 2014. We excluded those participants with fasting glucose values ​​compatible with diabetes mellitus, abnormal thyroid hormone values, chronic use of corticosteroids, and incomplete medical records. Participants were divided into tertiles (low, intermediate and high) according to their free triiodothyronine and free thyroxine values...
April 28, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28483577/formoterol-and-fluticasone-propionate-combination-improves-histone-deacetylation-and-anti-inflammatory-activities-in-bronchial-epithelial-cells-exposed-to-cigarette-smoke
#13
M Ferraro, M Gjomarkaj, L Siena, S Di Vincenzo, E Pace
BACKGROUND: The addition of long-acting beta2-agonists (LABAs) to corticosteroids improves asthma control. Cigarette smoke exposure, increasing oxidative stress, may negatively affect corticosteroid responses. The anti-inflammatory effects of formoterol (FO) and fluticasone propionate (FP) in human bronchial epithelial cells exposed to cigarette smoke extracts (CSE) are unknown. AIMS: This study explored whether FP, alone and in combination with FO, in human bronchial epithelial cellline (16-HBE) and primary bronchial epithelial cells (NHBE), counteracted some CSE-mediated effects and in particular some of the molecular mechanisms of corticosteroid resistance...
May 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28483439/ustekinumab-for-beh%C3%A3-et-s-disease
#14
Adrien Mirouse, Stéphane Barete, Jean-Benoît Monfort, Matthieu Resche-Rigon, Anne-Sophie Bouyer, Cloé Comarmond, Damien Sène, Fanny Domont, Yasmina Ferfar, Patrice Cacoub, David Saadoun
OBJECTIVE: To evaluate the efficacy and safety of ustekinumab in the treatment of oral ulcers (OU) in patients with Behçet's disease (BD). PATIENTS AND METHODS: Prospective study including 14 patients [median age of 39 (34; 41) years, with 71% of men] fulfilling criteria of the International Study Group for BD and with active OU resistant to colchicine. Patients received ustekinumab 90 mg (n = 11) or 45 mg (n = 3) subcutaneously at inclusion, at week 4, and every 12 weeks...
May 5, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28469399/a-novel-biomarker-panel-to-identify-steroid-resistance-in-childhood-idiopathic-nephrotic-syndrome
#15
Michael R Bennett, LaTawnya Pleasant, Christopher Haffner, Qing Ma, Wendy D Haffey, Jun Ying, Michael Wagner, Kenneth D Greis, Prasad Devarajan
Idiopathic nephrotic syndrome (NS) is the most common glomerular disorder of childhood. Response to initial treatment with corticosteroids is an indicator of prognosis, as resistant patients often present more progressive disease. In this cross-sectional pilot study, we set out to discover a panel of noninvasive biomarkers that could distinguish steroid-resistant nephrotic syndrome (SRNS) from steroid-sensitive nephrotic syndrome (SSNS). Information gleaned from such a panel could yield more individualized treatment plans and prevent unnecessary steroid exposure in patients unlikely to respond...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28461965/total-knee-arthroplasty-and-infection-how-surgeons-can-reduce-the-risks
#16
REVIEW
Nicola Ratto, Chiara Arrigoni, Federica Rosso, Matteo Bruzzone, Federico Dettoni, Davide Edoardo Bonasia, Roberto Rossi
Total joint arthroplasty (TJA) is one of the most common orthopaedic procedures. Nevertheless, several complications can lead to implant failure.Peri-prosthetic joint infections (PJI) certainly represent a significant challenge in TJA, constituting a major cause of prosthetic revision. The surgeon may have an important role in reducing the PJI rate by limiting the impact of significant risk factors associated to either the patient, the operative environment or the post-operative care.In the pre-operative period, several preventive measures may be adopted to manage reversible medical comorbidities...
September 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28457111/serum-tumor-necrosis-factor-alpha-levels-in-children-with-nephrotic-syndrome-a-pilot-study
#17
Avichai Weissbach, Ben Zion Garty, Irina Lagovsky, Irit Krause, Miriam Davidovits
BACKGROUND: Several studies link the pathogenesis of nephrotic syndrome to tumor necrosis factor-alpha (TNFα). However, data on the serum TNFα level in children with nephrotic syndrome are sparse. OBJECTIVES: To investigate serum TNFα levels and the effect of steroid therapy in children with nephrotic syndrome. METHODS: A prospective cohort pilot study of children with nephrotic syndrome and controls was conducted during a 1 year period...
January 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28456639/-hypercalcemia-and-inactive-mutation-of-cyp24a1-case-study-and-literature-review
#18
Alexandre Seidowsky, Cédric Villain, Eve Vilaine, Roselyne Baudoin, Antoine Tabarin, Marie-Laure Kottler, Étienne Cavalier, Jean-Claude Souberbielle, Ziad A Massy
We present the case of a family whose members have high levels of serum calcium (hypercalcaemia) by loss of function of the enzyme vitamin D 24-hydroxylase due to bi-allelic mutations in the CYP24A1 gene: c.443 T>C (p.Leu148Pro) and c.1187 G>A (p.Arg396Gln). 24-VITD hydroxylase is a key player in regulating the circulating calcitriol, its tissue concentration and its biological effects. Transmission is recessive. The estimated prevalence of stones in the affected subjects is estimated between 10 and 15%...
May 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28452721/ilven-complete-remission-after-administration-of-topical-corticosteroid-case-review
#19
U Wollina, G Tchernev
Inflammatory linear verrucous epidermal nevus (ILVEN) is a relatively rare disorder with an onset at early age, consisting of pruritic linear papules and/or plaques and histologic features resembling psoriasis or lichenoid dermatitis. The disease is a version of mosaicism caused by somatic mutations. ILVEN belongs to the heterogeneous group of congenital hamartomas of embryonal ectodermal origin, as a variant of verrucous epidermal nevus, representing approximately 5% of all epidermal nevi, with predominance in females and with general therapeutic resistance...
February 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28450685/acyclovir-resistant-acute-herpes-simplex-encephalitis-associated-with-acute-retinal-necrosis-a-case-report-and-review-of-the-literature
#20
Haruchika Ogura, Jiro Fukae, Satoshi Kimura, Mikiko Aoki, Kazuki Nabeshima, Yoshio Tsuboi
A 55-year-old man was admitted to our hospital for investigation of high fever, decreased consciousness and bilateral visual impairment. His cerebrospinal fluid analysis revealed pleocytosis of mononuclear cells and an increased protein concentration. FLAIR images revealed multiple high-intensity lesions in the frontal lobe, part of which was enhanced with gadolinium. Despite initiating treatment with acyclovir and corticosteroids, his consciousness and visual acuity deteriorated. Immunopathological examination of brain biopsies showed numerous herpes simplex virus type 2-positive neurons and macrophages, leading to a diagnosis of herpes simplex encephalitis (HSE)...
April 28, 2017: Rinshō Shinkeigaku, Clinical Neurology
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