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Drug hypersensitivity

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https://www.readbyqxmd.com/read/28229063/childhood-laryngeal-dystonia-following-bilateral-globus-pallidus-abnormality-a-case-study-and-review-of-literature
#1
Mohammad Javad Saeedi Borujeni, Ebrahim Esfandiary, Mostafa Almasi-Dooghaee
INTRODUCTION: Dystonia is a disorder of movement caused by various etiologies. Laryngeal dystonia is caused by the spasm of laryngeal muscles. It is a disorder caused by vocal fold movement in which excessive adduction or abduction of the vocal folds occurs during speech. The pathophysiology of this type of dystonia is not fully known. Some researchers have suggested that basal ganglia structures and their connections with cortical areas have been involved in the pathogenesis of dystonia...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28226401/natural-evolution-in-patients-with-non-steroidal-anti-inflammatory-drugs-induced-urticaria-angioedema
#2
Inmaculada Doña, Esther Barrionuevo, María Salas, José Antonio Cornejo-García, James R Perkins, Gádor Bogas, Ana Prieto, María José Torres
BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs) are the most frequent triggers of drug hypersensitivity with NSAIDs-induced urticaria/angioedema (NIUA) the most common phenotype. Loss of hypersensitivity has been reported for IgE-mediated reactions; however it has not been assessed in non-immunological reactions such as NIUA. We evaluated NSAID-hypersensitivity over time in NIUA patients. METHODS: Patients confirmed as NIUA by positive drug provocation test (DPT) with acetylsalicylic acid (ASA) during 2005-2012 (V1) were included (n=38)...
February 22, 2017: Allergy
https://www.readbyqxmd.com/read/28225346/cd4-count-and-risk-of-anti-tuberculosis-drug-associated-cutaneous-reactions-in-hiv-infected-thai-patients
#3
L Boonyagars, P Hirunwiwatkul, C P Hurst
OBJECTIVES: Tuberculosis (TB) is a major cause of morbidity and mortality in human immunodeficiency virus (HIV) infected patients. However, anti-tuberculosis drugs can cause cutaneous adverse drug reactions (CADRs). This study was conducted to evaluate differences in CADR incidence between low and high CD4 cell count in patients with low and high CD4 cell count and to identify other risk factors for CADR in HIV-TB co-infected patients. DESIGN: In a retrospective cohort of adult HIV-TB co-infected patients receiving standard anti-tuberculosis treatment between January 2008 and December 2015 at Vajira Hospital, Bangkok, Thailand, baseline demographic, clinical characteristics and factors associated with CADRs, including CD4 cell count status, were collected...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28223516/targeting-human-mas-related-g-protein-coupled-receptor-x1-to-inhibit-persistent-pain
#4
Zhe Li, Pang-Yen Tseng, Vinod Tiwari, Qian Xu, Shao-Qiu He, Yan Wang, Qin Zheng, Liang Han, Zhiping Wu, Anna L Blobaum, Yiyuan Cui, Vineeta Tiwari, Shuohao Sun, Yingying Cheng, Julie H Y Huang-Lionnet, Yixun Geng, Bo Xiao, Junmin Peng, Corey Hopkins, Srinivasa N Raja, Yun Guan, Xinzhong Dong
Human Mas-related G protein-coupled receptor X1 (MRGPRX1) is a promising target for pain inhibition, mainly because of its restricted expression in nociceptors within the peripheral nervous system. However, constrained by species differences across Mrgprs, drug candidates that activate MRGPRX1 do not activate rodent receptors, leaving no responsive animal model to test the effect on pain in vivo. Here, we generated a transgenic mouse line in which we replaced mouse Mrgprs with human MrgprX1 This humanized mouse allowed us to characterize an agonist [bovine adrenal medulla 8-22 (BAM8-22)] and a positive allosteric modulator (PAM), ML382, of MRGPRX1...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28219704/%C3%AE-lactam-hypersensitivity-involves-expansion-of-circulating-and-skin-resident-th22-cells
#5
Andrew Sullivan, Eryi Wang, John Farrell, Paul Whitaker, Lee Faulkner, Daniel Peckham, B Kevin Park, Dean J Naisbitt
BACKGROUND: β-lactam hypersensitivity has been classified according to the phenotype and function of drug-specific T-cells; however, new T-cell subsets have not been considered. OBJECTIVE: The objective of this study was use piperacillin as a model of β-lactam hypersensitivity to study the nature of the drug-specific T-cell response induced in the blood and skin of hypersensitive patients and healthy volunteers. METHODS: Drug-specific T-cells were cloned from blood and inflamed skin and cellular phenotype and function was explored...
February 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28217822/how-to-diagnose-early-5-azacytidine-induced-pneumonitis-a-case-report
#6
Srimanta Chandra Misra, Laurence Gabriel, Eric Nacoulma, Gérard Dine, Valentina Guarino
Interstitial pneumonitis is a classical complication of many drugs. Pulmonary toxicity due to 5-azacytidine, a deoxyribonucleic acid methyltransferase inhibitor and cytotoxic drug, has rarely been reported. We report a 67-year-old female myelodysplastic syndrome patient treated with 5-azacytidine at the conventional dosage of 75 mg/m(2) for 7 days. One week after starting she developed moderate fever along with dry cough and subsequently her temperature rose to 39.5 °C. She was placed under broad-spectrum antibiotics based on the protocol for febrile neutropenia, including ciprofloxacin 750 mg twice daily, ceftazidime 1 g three times daily (tid), and sulfamethoxazole/trimethoprim 400 mg/80 mg tid...
December 2017: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/28211343/immediate-reactions-to-more-than-1-nsaid-must-not-be-considered-cross-hypersensitivity-unless-tolerance-to-asa-is-verified
#7
D Pérez-Alzate, J A Cornejo-García, N Pérez-Sánchez, I Andreu, A García-Moral, J A Agúndez, J Bartra, I Doña, M J Torres, M Blanca, N Blanca-López, G Canto
BACKGROUND AND OBJECTIVES: Individuals who develop drug hypersensitivity reactions (DHRs) to chemically unrelated nonsteroidal anti-inflammatory drugs (NSAIDs) are considered cross-hypersensitive. The hallmark for this classification is that the patient presents a reaction after intake of or challenge with acetylsalicylic acid (ASA). Whether patients react to 2 or more NSAIDs while tolerating ASA remains to be studied (selective reactions, SRs). Objective: To identify patients with SRs to 2 or more NSAIDs including strong COX-1 inhibitors...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28210568/clozapine-induced-hypersensitivity-myocarditis-presenting-as-sudden-cardiac-death
#8
Natraj Katta, Sudarshan Balla, Kul Aggarwal
Hypersensitivity myocarditis is a rare but serious adverse effect of clozapine, a commonly used psychiatric drug. We report the case of sudden cardiac death from clozapine-induced hypersensitivity myocarditis diagnosed at autopsy. A 54-year-old Caucasian male on clozapine therapy for bipolar disorder presented with a sudden onset of shortness of breath. Laboratory studies were significant for elevated N-terminal prohormone of brain natriuretic peptide. During his hospital stay, the patient died of sudden cardiac arrest from ventricular tachycardia...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28203102/the-hla-a-31-01-allele-influence-on-carbamazepine-treatment
#9
REVIEW
Vincent Lai Ming Yip, Munir Pirmohamed
Carbamazepine (CBZ) is an effective anticonvulsant that can sometimes cause hypersensitivity reactions that vary in frequency and severity. Strong associations have been reported between specific human leukocyte antigen (HLA) alleles and susceptibility to CBZ hypersensitivity reactions. Screening for HLA-B*15:02 is mandated in patients from South East Asia because of a strong association with Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). HLA-A*31:01 predisposes to multiple phenotypes of CBZ hypersensitivity including maculopapular exanthema, hypersensitivity syndrome, and SJS/TEN in a range of populations including Europeans, Japanese, South Koreans and Han Chinese, although the effect size varies between the different phenotypes and populations...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28202404/recombinant-human-c1-esterase-inhibitor-to-treat-acute-hereditary-angioedema-attacks-in-adolescents
#10
James W Baker, Avner Reshef, Dumitru Moldovan, Joseph R Harper, Anurag Relan, Marc A Riedl
BACKGROUND: Recombinant human C1-esterase inhibitor (rhC1-INH) is efficacious and well tolerated for managing hereditary angioedema (HAE) attacks in adults. However, there are insufficient data on its efficacy and safety in adolescents. OBJECTIVE: To evaluate the efficacy and safety profiles of rhC1-INH for acute HAE attacks in adolescents. METHODS: Adolescents (aged 12-18 y) with HAE enrolled in 2 randomized controlled trials and 2 open-label extension trials were included and received intravenous rhC1-INH for acute attacks...
February 12, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28197826/safety-and-efficacy-of-a-novel-abluminal-groove-filled-biodegradable-polymer-sirolimus-eluting-stent
#11
Jinzhou Zhu, Huizhu Liu, Haipo Cui, Zhirong Tang, Chengli Song, Ruiyan Zhang
Late stent thrombosis (LST) following drug-eluting stent (DES) implantation in patients with coronary artery disease (CAD) is often associated with delayed vascular healing, resulting from vascular inflammation and hypersensitivity to durable polymers and drugs. Therefore, DES design, materials, and coatings have been technologically revolutionized. Herein, we designed a novel abluminal groove-filled biodegradable polymer sirolimus-eluting stent (AGF-BP-SES), with a sirolimus content of only about one-third of traditional DES...
March 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28194756/chlorhexidine-allergy-in-4-specialist-allergy-centres-in-the-uk-2009-2013-clinical-features-and-diagnostic-tests
#12
William Egner, Matthew Helbert, Ravishankar Sargur, Kirsty Swallow, Nigel Harper, Tomaz Garcez, Sinisa Savic, Louise Savic, Eren Effren
We describe an observational survey of diagnostic pathways in 104 patients attending four specialist allergy clinics in the UK following perioperative hypersensitivity reactions to chlorhexidine reactions. The majority were life threatening. Men undergoing urological or cardiothoracic surgery predominated. Skin prick testing and sIgE testing were the most common tests used for diagnosis. Fifty-three % of diagnoses were made on the basis of a single positive test. Where multiple tests were performed the sensitivity of intradermal, basophil activation and skin prick testing was 68% (50-86%), 50% (10-90%) and 35% (17-55%) respectively...
February 14, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28186109/astragali-radix-could-it-be-an-adjuvant-for-oxaliplatin-induced-neuropathy
#13
Lorenzo Di Cesare Mannelli, Alessandra Pacini, Laura Micheli, Angelo Pietro Femia, Mario Maresca, Matteo Zanardelli, Alfredo Vannacci, Eugenia Gallo, Anna Rita Bilia, Giovanna Caderni, Fabio Firenzuoli, Alessandro Mugelli, Carla Ghelardini
Neurotoxicity is a major side effect of platinum derivatives both during and after treatment. In the absence of effective pharmacological compounds, the opportunity to identify safe adjuvant treatments among medicinal plants seems appropriate. Astragali radix is an adaptogenic herbal product recently analyzed in platinum-treated cancer patients. With the aim of evaluating the anti-neuropathic profile of Astragali radix, a previously characterized aqueous (Aqu) and two hydroalcoholic (20%HA and 50%HA) extracts were tested in a rat model of oxaliplatin-induced neuropathy...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28179249/penicillin-skin-testing-as-an-antimicrobial-stewardship-initiative
#14
Bruce M Jones, Christopher M Bland
PURPOSE: An initiative to determine the effects of penicillin skin testing (PST) from an antimicrobial stewardship perspective is described. SUMMARY: Penicillin allergy is one of the most frequently reported allergies; however, only about 10% of self-reports of penicillin allergy are accurate. Incorrect penicillin allergies are therefore a significant barrier to antimicrobial stewardship, with important clinical and economic implications, including increased antimicrobial resistance, an increased overall cost of care, increased length of stay, and, ultimately, increased mortality...
February 15, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28178698/dipeptidyl-peptidase-4-inhibitors-in-chronic-kidney-disease-a-systematic-review-of-randomized-clinical-trials
#15
Simon R Walker, Paul Komenda, Suhail Khojah, Wafa Al-Tuwaijri, Kerry MacDonald, Brett Hiebert, Neil Tangri, Stewart W D Nadurak, Thomas W Ferguson, Claudio Rigatto, Navdeep Tangri
BACKGROUND: Chronic kidney disease (CKD) is common in patients with type 2 diabetes mellitus (T2DM) and limits therapeutic options. Dipeptidyl peptidase-4 (DPP-4) inhibitors represent a novel class of oral glucose-lowering agents and are known to be safe and effective in the general population. METHODS: We searched Cochrane, EMBASE, and PubMed from the time of their inception until March 2015. We included randomized controlled trials analyzing the efficacy (change in hemoglobin A1C [HbA1C]) and safety of DPP-4 agents in individuals with reduced kidney function (estimated glomerular filtration rate <60 mL/min/1...
February 9, 2017: Nephron
https://www.readbyqxmd.com/read/28167593/a-review-on-dapsone-hypersensitivity-syndrome-among-chinese-patients-with-an-emphasis-on-preventing-adverse-drug-reactions-with-genetic-testing
#16
REVIEW
Na Wang, Leela Parimi, Hong Liu, Furen Zhang
Dapsone is a bactericidal and bacteriostatic against Mycobacterium leprae, a causative agent of leprosy. Dapsone is also applied in a range of medical fields because of its anti-inflammatory and immunomodulatory effects. Dapsone hypersensitivity syndrome (DHS) is a rare yet serious adverse drug reaction (ADR) caused by dapsone involving multiple organs. We performed a systematic review of published articles describing dapsone-induced hypersensitivity syndrome, including all Chinese articles and the latest literature available in online databases published between October 2009 and October 2015...
February 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28164269/anaesthetic-hypersensitivity-reactions-in-france-between-2011-and-2012-the-10th-gerap-epidemiologic-survey
#17
C Tacquard, O Collange, P Gomis, J-M Malinovsky, N Petitpain, P Demoly, S Nicoll, P M Mertes
BACKGROUND: Immediate hypersensitivity reactions during anaesthesia are rare but potentially life-threatening. The epidemiology changes with time and evolving professional practice, and hence needs to be monitored. Our objective was to follow this epidemiology. METHODS: This was a retrospective, observational study in French hospital clinics, conducted by GERAP members (Groupe d'Étude des Réactions Anaphylactoïdes Périopératoires). Consecutive patients seen in allergo-anaesthesia outpatient clinics, who had experienced a hypersensitivity reaction during anaesthesia between 1 January 2011 and 31 December 2012, were included...
March 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28164168/doubling-down-increased-risk-taking-behavior-following-a-loss-by-individuals-with-cocaine-use-disorder-is-associated-with-striatal-and-anterior-cingulate-dysfunction
#18
Joshua L Gowin, April C May, Marc Wittmann, Susan F Tapert, Martin P Paulus
BACKGROUND: Cocaine use disorders (CUDs) have been associated with increased risk-taking behavior. Neuroimaging studies have suggested that altered activity in reward and decision-making circuitry may underlie cocaine user's heightened risk-taking. It remains unclear if this behavior is driven by greater reward salience, lack of appreciation of danger, or another deficit in risk-related processing. METHODS: Twenty-nine CUD participants and forty healthy comparison participants completed the Risky Gains Task during a functional magnetic resonance imaging scan...
January 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28162244/pharmacogenetics-of-hypersensitivity-drug-reactions
#19
Simone Negrini, Laurent Becquemont
Adverse drug reactions are a significant cause of morbidity and mortality and represent a major burden on the healthcare system. Some of those reactions are immunologically mediated (hypersensitivity reactions) and can be clinically subdivided into two categories: immediate reactions (IgE-related) and delayed reactions (T-cell-mediated). Delayed hypersensitivity reactions include both systemic syndromes and organ-specific toxicities and can be triggered by a wide range of chemically diverse drugs. Recent studies have demonstrated a strong genetic association between human leukocyte antigen alleles and susceptibility to delayed drug hypersensitivity...
January 3, 2017: Thérapie
https://www.readbyqxmd.com/read/28160866/withania-somnifera-chemotype-nmitli-101r-significantly-increases-the-efficacy-of-antileishmanial-drugs-by-generating-strong-ifn-%C3%AE-and-il-12-mediated-immune-responses-in-leishmania-donovani-infected-hamsters
#20
Chandra Dev Pati Tripathi, Pramod Kumar Kushawaha, Rajender Singh Sangwan, Chitra Mandal, Shailja Misra-Bhattacharya, Anuradha Dube
BACKGROUND: Withania somnifera (L.) Dunal (Solanaceae), commonly known as Ashwagandha, is one of the most important medicinal plant in the traditional Indian medical systems. Pharmacological studies have established that root extracts of W. somnifera contain several bioactive constituents called withanolides. The plant has long been used for its several beneficial properties and recently as an immunomodulator. HYPOTHESIS/PURPOSE: A combination therapy including a potential and safe immunostimulant with lower doses of effective drug, which can reduce the parasitic burden and simultaneously can produce an enhancement of adaptive immunity, has proven to be significantly a more effective approach than immunotherapy or drug therapy alone...
January 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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