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Corticosteroid resistance

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https://www.readbyqxmd.com/read/29784018/adding-colchicine-to-immunosuppressive-treatments-a-potential-option-for-biologics-refractory-adult-onset-still-s-disease
#1
Tomoyuki Asano, Makiko Yashiro Furuya, Shuzo Sato, Hiroko Kobayashi, Hiroshi Watanabe, Eiji Suzuki, Kiyoshi Migita
BACKGROUND: Adult-onset Still's disease (AOSD) is a rare inflammatory disorder characterized by the classical triad of daily spiking fever, arthritis, and typical salmon-colored rash. Resistance to first-line corticosteroids and second-line disease modified anti-rheumatic-drugs defines refractory AOSD, which mostly includes the polycyclic or chronic courses of the disease. Anti-cytokine therapies are recommended in AOSD patients who are refractory to traditional treatments. This is the first report on the efficacy of colchicine in a patient with AOSD which was refractory to immunosuppressive treatments including biologics...
May 21, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29782855/role-of-statins-and-mevalonate-pathway-on-impaired-hdac2-activity-induced-by-oxidative-stress-in-human-airway-epithelial-cells
#2
Maria Gabriella Matera, Luigino Calzetta, Giulia Gritti, Laura Gallo, Brunella Perfetto, Giovanna Donnarumma, Mario Cazzola, Paola Rogliani, Maria Donniacuo, Barbara Rinaldi
In patients with chronic obstructive pulmonary disease (COPD) the inflammatory response is often steroid-resistant, likely since oxidative stress and cigarette smoking impair histone deacetylase 2 (HDAC2) activity. Since it has been demonstrated that statins may restore the HDAC2 activity in cultured human endothelial cells, the aim of this study was to investigate the effects of statins in reversing the steroid-resistance induced by oxidative stress. We evaluated the effects of simvastatin and dexamethasone on HDAC2 expression and activity, and the role of mevalonate and Rho/ROCK pathways in A549 cells, a human lung type II epithelial cell line stressed with H2 O2 ...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29780238/update-on-new-biologics-for-intractable-eosinophilic-asthma-impact-of-reslizumab
#3
REVIEW
Jagdeep Sahota, Douglas S Robinson
A small percentage of patients with asthma have uncontrolled symptoms and frequent exacerbations, despite treatment with inhaled corticosteroids and other agents. It has become clear that different subtypes of this severe, treatment-resistant group exist due to different mechanisms of the disease. All such patients require detailed assessment in specialist centers to characterize the disease and assess treatment adherence. Recently, monoclonal antibodies have become available, which target specific pathways that may contribute to persistent inflammation and asthma exacerbations...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29780126/a-case-of-intractable-hemophagocytic-syndrome-associated-with-systemic-lupus-erythematosus-resistant-to-corticosteroids-and-intravenous-cyclophosphamide-that-was-successfully-treated-with-cyclosporine-a
#4
Hirofumi Toko, Hiroto Tsuboi, Naoto Umeda, Fumika Honda, Ayako Ohyama, Hidenori Takahashi, Saori Abe, Masahiro Yokosawa, Hiromitsu Asashima, Shinya Hagiwara, Tomoya Hirota, Yuya Kondo, Isao Matsumoto, Takayuki Sumida
Hemophagocytic syndrome (HPS) associated with systemic lupus erythematosus (SLE), dubbed acute lupus hemophagocytic syndrome (ALHS), is an intractable complication of SLE. A 24-year-old man who had been diagnosed with SLE three months previously, presented with fever, rash, hallucination, and pancytopenia accompanied with hyperferritinemia and bone marrow hemophagocytosis. He was diagnosed with ALHS and neuropsychiatric (NP)-SLE. Although 4 courses of methylprednisolone pulse therapy and 1 course of intravenous cyclophosphamide (IVCY) improved his NP-SLE, his ALHS did not respond...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29777682/inhibition-of-bet-bromodomains-restores-corticosteroid-responsiveness-in-a-mixed-granulocytic-mouse-model-of-asthma
#5
Ahmed Nadeem, Sheikh F Ahmad, Naif O Al-Harbi, Nahid Siddiqui, Khalid E Ibrahim, Sabry M Attia
Asthma is a heterogeneous disease characterized by different endotypes/phenotypes. Th2/Th17 driven mixed granulocytic asthma is one of them and shows resistance to corticosteroid therapy. Bromodomain and extra-terminal (BET) proteins are required for differentiation of Th17 cells which play a pivotal role in neutrophilic inflammation. Therefore, we sought to characterize the differential effects of BET inhibitor versus corticosteroids, and their potential synergism in cockroach allergen extract (CE)-induced mixed granulocytic (eosinophilic and neutrophilic) mouse model of asthma having Th2/Th17 endotype...
May 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29768976/predictors-of-intravenous-immunoglobulin-resistance-and-coronary-artery-aneurysm-in-patients-with-kawasaki-disease
#6
Nattika Chantasiriwan, Suchaya Silvilairat, Krit Makonkawkeyoon, Yupada Pongprot, Rekwan Sittiwangkul
BACKGROUND: Patients with Kawasaki disease (KD) who have intravenous immunoglobulin (IVIG) resistance are at increased risk for development of coronary artery abnormalities. Although in Japan several risk scoring systems are able to predict patients with IVIG-resistant (KD), they do not accurately predict non-responders in other regions. AIM: The objectives of this study were to determine the predictors of IVIG resistance and coronary artery aneurysm (CAA) and to develop risk scoring systems for predicting IVIG-resistant KD in the Thai population...
May 17, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29765973/complete-regrowth-of-beard-hair-with-ruxolitinib-in-an-alopecia-universalis-patient
#7
Yuval Ramot, Abraham Zlotogorski
While most alopecia areata (AA) cases resolve spontaneously, the more severe types of AA, alopecia totalis (AT) and alopecia universalis (AU), can be highly resistant to therapy. We report on a 33-year-old ultraorthodox Jewish man with an 11-year history of AA that resulted in complete loss of the scalp and body hair 7 years ago. Previous treatments with intralesional and systemic corticosteroids had only partial and temporary effects. The patient was treated with ruxolitinib, 20 mg twice daily, resulting in complete growth of the beard after 4 months of treatment...
April 2018: Skin Appendage Disorders
https://www.readbyqxmd.com/read/29756581/musculoskeletal-involvements-in-sarcoidosis-a-narrative-review
#8
Roshanak Salari, Somayeh Shariatmaghani, Maryam Sahebari, Payman Shalchiantabrizi, Masoumeh Salari
Sarcoidosis is a multisystem inflammatory disease with an etiology that is not clearly understood. Amongst the different organs that may be affected, the lungs are the most common. Musculoskeletal manifestations of the disease are uncommon. They include arthropathy, bone lesions, or myopathy, all of which may occur as initial symptoms or develop during the course of the disease. Articular involvement my present as arthralgia or arthritis. Skeletal complications usually develop in the chronic state of the disease...
May 14, 2018: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/29739650/impact-of-age-at-diagnosis-on-natural-history-of-patients-with-elderly-onset-ulcerative-colitis-a-french-population-based-study
#9
Dana Duricova, Benjamin Pariente, Hélène Sarter, Mathurin Fumery, Ariane Leroyer, Cloe Charpentier, Laura Armengol-Debeir, Laurent Peyrin-Biroulet, Guillaume Savoye, Corinne Gower-Rousseau
BACKGROUND: Recent population-based study of elderly-onset Crohn's disease patients reported age-related differences in disease phenotype and outcome. AIMS: The aim was to assess the impact of age at diagnosis on natural history of elderly-onset ulcerative colitis patients with emphasis on disease presentation, phenotype and treatment. METHODS: Elderly-onset patients with ulcerative colitis (≥60 years at diagnosis) registered in a French population-based Registry EPIMAD (1988-2006) were included...
April 22, 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29692381/current-status-of-community-acquired-pneumonia-in-patients-with-chronic-obstructive-pulmonary-disease
#10
REVIEW
De-Shun Liu, Xiu-Di Han, Xue-Dong Liu
Objective: Worldwide, community-acquired pneumonia (CAP) is a common infection that occurs in older adults, who may have pulmonary comorbidities, including chronic obstructive pulmonary disease (COPD). Although there have been clinical studies on the coexistence of CAP with COPD, there remain some controversial findings. This review presents the current status of COPD in CAP patients, including the disease burden, clinical characteristics, risk factors, microbial etiology, and antibiotic treatment...
May 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29692254/musculoskeletal-manifestations-of-sarcoidosis-a-review-article
#11
Somayeh Shariatmaghani, Roshanak Salari, Maryam Sahebari, Payman Shalchiantabrizi, Masoumeh Salari
Sarcoidosis is a multisystem inflammatory disease with an etiology that is not clearly understood. Amongst the different organs that may be affected, the lungs are the most common. Musculoskeletal manifestations of the disease are uncommon. They include arthropathy, bone lesions, or myopathy, all of which may occur as initial symptoms or develop during the course of the disease. Articular involvement my present as arthralgia or arthritis. Skeletal complications usually develop in the chronic state of the disease...
April 24, 2018: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/29682916/pediatric-uveitis
#12
Nicole Shu-Wen Chan, Jessy Choi, Chui Ming Gemmy Cheung
Pediatric uveitis differs from adult-onset uveitis and is a topic of special interest because of its diagnostic and therapeutic challenges. Children with uveitis are often asymptomatic and the uveitis is often chronic, persistent, recurrent, and resistant to conventional treatment. Anterior uveitis is the most common type of uveitis in children; the prevalence of intermediate, posterior, and panuveitis varies geographically and among ethnic groups. Regarding etiology, most cases of pediatric uveitis are idiopathic but can be due to systemic inflammatory disorders, infections, or a manifestation of masquerade syndrome...
April 23, 2018: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/29670074/recovery-from-diabetic-macular-edema-in-a-diabetic-patient-after-minimal-dose-of-a-sodium-glucose-co-transporter-2-inhibitor
#13
Hideyuki Yoshizumi, Tetsushi Ejima, Tetsuhiko Nagao, Masanori Wakisaka
BACKGROUND Diabetic macular edema (DME) causes serious visual impairments in diabetic patients. The standard treatments of DME are intra-vitreous injections of corticosteroids or anti-vascular endothelial growth factor antibodies and pan-photocoagulation. These treatments are unsatisfactory in their effects and impose considerable physical and economic burdens on the patients. CASE REPORT A 63-year-old woman was diagnosed as type 2 diabetes with retinopathy 7 years ago. Before the initiation of an SGLT2 inhibitor, the dipeptidyl peptidase-4 inhibitor, sitagliptin (50 mg daily), and metformin (250 mg dai- ly) were used for her glycemic control...
April 19, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29669665/diagnosis-pathogenesis-and-treatment-of-chronic-spontaneous-urticaria
#14
Allen P Kaplan
BACKGROUND: Chronic Spontaneous Urticaria (CSU) is an endogenous disorder that is strongly associated with autoimmunity, particularly with immunoglobulin G (IgG) antibody to the alpha subunit of the IgE receptor seen in 35-40% of patients. Basophils and cutaneous mast cells can be activated and lead to a late-phase-like perivascular infiltration about small venules and hive formation. METHODS: Review of current literature. RESULTS: Antibody to thyroid antigens are seen in 25% of patients; a small fraction of these may be clinically hypothyroid (Hashimoto's Thyroiditis)...
May 1, 2018: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/29669605/meriones-unguiculatus-infected-by-haemonchus-contortus-evaluation-of-different-experimental-protocols
#15
L T Gressler, T H Grando, G Machado do Carmo, R A Vaucher, L M Stefani, S G Monteiro
Many important studies on resistance reversion, anthelmintic efficacy and, especially, new molecules with antiparasitic effects are performed in laboratories using gerbils (Meriones unguiculatus) as the experimental model. This study aimed to evaluate the use of corticosteroids (dexamethasone and methylprednisolone acetate) in gerbils experimentally infected with different doses of infective larvae (sheathed or exsheathed) of Haemonchus contortus. In the first experiment, 28 gerbils were divided into seven groups infected by 2-6 × 103 larvae, with or without immunosuppression using corticosteroids...
April 19, 2018: Journal of Helminthology
https://www.readbyqxmd.com/read/29664714/randomized-phase-ii-trial-of-fulvestrant-plus-everolimus-or-placebo-in-postmenopausal-women-with-hormone-receptor-positive-human-epidermal-growth-factor-receptor-2-negative-metastatic-breast-cancer-resistant-to-aromatase-inhibitor-therapy-results-of-pre0102
#16
Noah Kornblum, Fengmin Zhao, Judith Manola, Paula Klein, Bhuvaneswari Ramaswamy, Adam Brufsky, Phillip J Stella, Brian Burnette, Melinda Telli, Della F Makower, Puneet Cheema, Cristina I Truica, Antonio C Wolff, Gamini S Soori, Barbara Haley, Timothy R Wassenaar, Lori J Goldstein, Kathy D Miller, Joseph A Sparano
Purpose The mammalian target of rapamycin inhibitor everolimus targets aberrant signaling through the PI3K/AKT/mammalian target of rapamycin pathway, a mechanism of resistance to anti-estrogen therapy in estrogen receptor (ER)-positive breast cancer. We hypothesized that everolimus plus the selective ER downregulator fulvestrant would be more efficacious than fulvestrant alone in ER-positive metastatic breast cancer resistant to aromatase inhibitor (AI) therapy. Patients and Methods This randomized, double-blind, placebo-controlled, phase II study included 131 postmenopausal women with ER-positive, human epidermal growth factor receptor 2-negative, AI-resistant metastatic breast cancer randomly assigned to fulvestrant (500 mg days 1 and 15 of cycle 1, then day 1 of cycles 2 and beyond) plus everolimus or placebo...
April 17, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29662777/herbal-fufang-xian-ling-gu-bao-prevents-corticosteroid-induced-osteonecrosis-of-the-femoral-head-a-first-multicentre-randomised-double-blind-placebo-controlled-clinical-trial
#17
Zi-Rong Li, Li-Ming Cheng, Kun-Zheng Wang, Nan-Ping Yang, Shu-Hua Yang, Wei He, Yi-Sheng Wang, Zhong-Ming Wang, Pei Yang, Xian-Zhe Liu, Yue-Zhong Luo, Wei Sun, Hai-Tao Wang, Li-Zhen Zheng, Xin-Luan Wang, Ling Qin
Background/Objective: This is a multicentre, randomised, double-blind, placebo-controlled clinical trial to investigate the safety and efficacy of Chinese herbal Fufang Xian Ling Gu Bao (XLGB) with antiadipogenic compounds for the prevention of corticosteroid (CS)-induced osteonecrosis of femoral head (ONFH). Methods: Patients of both genders, aged between 18 and 65 years, with diseases such as systemic lupus erythematosus, nephrosis, dermatosis and rheumatoid arthritis indicated for CS treatment and who did not show magnetic resonance imaging of ONFH at baseline were recruited into the study and then randomised into either XLGB group (n = 129) with daily oral administration of XLGB or placebo group (n = 146)...
January 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29657195/evaluation-of-serum-soluble-urokinase-plasminogen-activator-receptor-as-a-marker-for-steroid-responsiveness-in-children-with-primary-nephrotic-syndrome
#18
Suzan O Mousa, Salah M Saleh, Hend M Aly, Maha H Amin
Nephrotic syndrome (NS) is the most common primary glomerular disease among children. It runs a relapsing course involving prolonged periods of treatment with corticosteroids and other immunosuppressive medications. Soluble urokinase plasminogen activator receptor (suPAR) has been regarded as an inflammatory as well as a permeability factor. The aim of our study was to evaluate serum suPAR levels in children with NS and its relation to steroid responsiveness. Our study was carried out on 75 children who were already diagnosed as having NS; they were classified into three groups (steroid sensitive, steroid dependent, and steroid resistant)...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29625557/case-report-lactic-acidosis-and-rhabdomyolysis-during-telbivudine-and-tenofovir-treatment-for-chronic-hepatitis-b
#19
Yue Ying, Yue-Kai Hu, Jia-Lin Jin, Ji-Ming Zhang, Wen-Hong Zhang, Yu-Xian Huang
BACKGROUND: Current treatment options for chronic hepatitis B (CHB) are pegylated interferon alpha and nucleoside analogues (NAs). NAs have relatively fewer side effects than interferon alpha, and generally well tolerated. Previously 12.9% of patients on telbivudine treatment were reported to develop severe elevation of serum creatine phosphokinase (CPK) levels, but related clinical disease, like lactic acidosis (LA) and rhabdomyolysis (RM) were rare. The pathophysiology may be mitochondrial toxicity, for the NAs inhibit not only hepatitis B virus (HBV) polymerase, but also the host mitochondrial DNA polymerase γ...
April 6, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29609004/emerging-biological-therapies-for-treating-chronic-obstructive-pulmonary-disease-a-pairwise-and-network-meta-analysis
#20
Paola Rogliani, Maria Gabriella Matera, Ermanno Puxeddu, Marco Mantero, Francesco Blasi, Mario Cazzola, Luigino Calzetta
Inflammation in chronic obstructive pulmonary disease (COPD) is often corticosteroid resistant and, thus, alternative anti-inflammatory approaches are needed. Since it is still not clear whether blocking specific pro-inflammatory factors may provide clinical benefit in COPD, we have performed a meta-analysis to quantify the impact of monoclonal antibodies (mABs) targeting the cytokine/chemokine-mediated inflammation in COPD. A pairwise and network meta-analyses were performed by extracting data from randomized clicnial trials on COPD concerning the impact of mABs vs...
March 30, 2018: Pulmonary Pharmacology & Therapeutics
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