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Allergy drug hypersensitivity

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https://www.readbyqxmd.com/read/28416298/-epicutaneous-patch-testing-in-delayed-drug-hypersensitivity-reactions-induced-by-antiepileptic-drugs
#1
Lobna Ben Mahmoud, Najla Bahloul, Hanen Ghozzi, Brahim Kammoun, Ahmed Hakim, Zouheir Sahnoun, Sami Kammoun, Khaled Zeghal
INTRODUCTION: Antiepileptic drugs are widely used and are associated with numerous side effects including skin eruptions. Epicutaneous tests have been used with variable success in skin drug reactions. The purpose of this study was to evaluate the profitability of epicutaneous tests in delayed hypersensitivity reactions induced by antiepileptic drugs. METHODS: We analyzed all cases of allergic skin reactions to antiepileptic drugs notified in regional pharmacovigilance center of Sfax (Tunisia) between June 1, 2014 and April 30, 2016...
March 25, 2017: Thérapie
https://www.readbyqxmd.com/read/28382604/non-immediate-cutaneous-reactions-to-beta-lactams-approach-to-diagnosis
#2
REVIEW
Antonino Romano, Rocco Luigi Valluzzi, Cristiano Caruso, Michela Maggioletti, Francesco Gaeta
Non-immediate cutaneous reactions (i.e., occurring at least 1 h after the initial drug administration), particularly maculopapular exanthemas and urticarial eruptions, are common during beta-lactam treatments. A T cell-mediated pathogenic mechanism has been demonstrated in some cutaneous reactions, such as maculopapular exanthema, fixed drug eruption, acute generalized exanthematous pustulosis, and drug-induced hypersensitivity syndrome. In the diagnostic work-up, patch testing is useful, together with delayed-reading intradermal testing...
April 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28378949/de-labelling-self-reported-penicillin-allergy-within-the-emergency-department-through-the-use-of-skin-tests-and-oral-drug-provocation-testing
#3
Joseph Marwood, Gonzalo Aguirrebarrena, Stephen Kerr, Susan A Welch, Janet Rimmer
OBJECTIVE: Self-reported penicillin allergy is common among patients attending the ED, but is a poor predictor of true immunoglobulin E-mediated hypersensitivity to penicillin. We hypothesise that with a combination of skin testing and drug provocation testing, selected patients can be safely de-labelled of their allergy. METHODS: This prospective study enrolled a sample of patients presenting to an urban academic ED between 2011 and 2016 with a self-reported allergy to penicillin...
April 5, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28368217/long-acting-insulin-allergy-in-a-diabetic-child
#4
Carla Mastrorilli, Laura Rizzuti, Antonina Marta Cangelosi, Brunella Iovane, Giovanni Chiari, Carlo Caffarelli
Insulin allergy has been uncommon since the introduction of human recombinant insulin preparations; the prevalence is 2.4%. Insulin injection could elicit immediate reactions, which are usually induced by an IgE-mediated mechanism, within the first hour after drug administration. In the present study, we describe the case of a child who experienced immediate urticaria after long-acting insulin injection. A 9-year-old girl affected by type I diabetes mellitus referred a history of three episodes of urticaria 30 min after insulin subcutaneous injection...
April 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28345825/comparison-of-hypersensitivity-reactions-to-carboplatin-retreatment-in-gynecologic-cancer-patients-between-one-and-two-hour-infusions-a-randomized-trial-study
#5
Weerawich Pornwattanakrilert, Prapaporn Suprasert
Objective: To compare the incidence rate of carboplatin hypersensitivity reactions (HSRs) in gynecologic cancer patients receiving one-hour or two-hour carboplatin retreatment infusions. Setting: A Prospective Randomized Controlled Trial. Methods: Recurrent gynecologic cancer patients 25 to 80-years of age who were scheduled to receive carboplatin retreatment after previously receiving at least six cycles of carboplatin without a history of platinum allergy were invited to enroll. They were randomized to receive either a one-hour or two-hour carboplatin infusion in each cycle...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28326907/skin-sensitizers-in-cosmetics-and-beyond-potential-multiple-mechanisms-of-action-and-importance-of-t-cell-assays-for-in-vitro-screening
#6
Stanislav Vukmanović, Nakissa Sadrieh
Allergic contact dermatitis (ACD) is a delayed-type hypersensitivity (DTH) reaction induced by repeated contact with sensitizers. The ability of a chemical to act as a sensitizer has most frequently been tested in animals. As the use of animals for these purposes is gradually and globally being phased out, there is a need for reliable in vitro surrogate assays. Currently proposed in vitro assays are designed to test four key events of the adverse outcome pathway (AOP) involving covalent modification of self-proteins by sensitizers (haptenation) and presentation of new antigens (hapten/carrier complexes) to the immune system...
March 22, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28301410/allergic-reaction-upon-intravitreal-administration-of-anti-vascular-endothelial-growth-factor-agents
#7
Gavin G Meredith, Paul A Schkade, Brian C Joondeph
PURPOSE: To describe the patient's allergic response to anti-vascular endothelial growth factor drugs after receiving intravitreal bevacizumab for choroidal neovascularization. METHODS: Clinical case report. RESULTS: Formal allergy evaluation revealed hypersensitivity to bevacizumab and ranibizumab, but not to pegaptanib or aflibercept. CONCLUSION: Bevacizumab and ranibizumab are derivatives of murine monoclonal antibodies, whereas pegaptanib is an aptamer and aflibercept is a fusion protein of human origin...
March 15, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28258478/in-vitro-diagnosis-of-immediate-drug-hypersensitivity-anno-2017-potentials-and-limitations
#8
REVIEW
I I Decuyper, E A Mangodt, A L Van Gasse, K Claesen, A Uyttebroek, M Faber, V Sabato, C H Bridts, C Mertens, M M Hagendorens, L S De Clerck, Didier G Ebo
BACKGROUND: For most physicians, quantification of drug-specific immunoglobulin E (drug-sIgE) antibodies constitutes the primary in vitro measure to document immediate drug hypersensitivity reactions (IDHR). Unfortunately, this is often insufficient to correctly identify patients with IgE-mediated IDHR and impossible for non-IgE-mediated IDHR that result from alternative routes of basophil and mast cell activation. In these difficult cases, diagnosis might benefit from cellular tests such as basophil activation tests (BAT)...
March 4, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28243404/effect-of-persian-medicine-remedy-on-chemotherapy-induced-nausea-and-vomiting-in-breast-cancer-a-double-blind-randomized-crossover-clinical-trial
#9
Mohammad Nazari, Ali Taghizadeh, Mojtaba Mousavi Bazzaz, Hassan Rakhshandeh, Sadegh Shokri
BACKGROUND: Chemotherapy induced nausea and vomiting (CINV) is a side effect, and has negative effect on quality of life and continuation of chemotherapy. Despite new regimen and drugs, the problems still remain and standard guidelines, effective treatment and supportive care for refractory CINV are still not yet established. Persian medicine, the old Iranian medical school, offer Persumac (prepared from Rhus Coriaria and Bunium Persicum Boiss). OBJECTIVE: The specific objectives were to assess the effect of Persumac on the number and severity of nausea and vomiting in refractory CINV in acute and delayed phase...
January 2017: Electronic Physician
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
#10
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/28194756/chlorhexidine-allergy-in-four-specialist-allergy-centres-in-the-united-kingdom-2009-13-clinical-features-and-diagnostic-tests
#11
W Egner, M Helbert, R Sargur, K Swallow, N Harper, T Garcez, S Savic, L Savic, E Eren
We describe an observational survey of diagnostic pathways in 104 patients attending four specialist allergy clinics in the United Kingdom following perioperative hypersensitivity reactions to chlorhexidine reactions. The majority were life-threatening. Men undergoing urological or cardiothoracic surgery predominated. Skin prick testing and specific immunoglobulin (sIg)E testing were the most common tests used for diagnosis. Fifty-three per cent of diagnoses were made on the basis of a single positive test...
February 14, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28179249/penicillin-skin-testing-as-an-antimicrobial-stewardship-initiative
#12
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/28164269/anaesthetic-hypersensitivity-reactions-in-france-between-2011-and-2012-the-10th-gerap-epidemiologic-survey
#13
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/28110055/adverse-and-hypersensitivity-reactions-to-prescription-nonsteroidal-anti-inflammatory-agents-in-a-large-health-care-system
#14
Kimberly G Blumenthal, Kenneth H Lai, Mingshu Huang, Zachary S Wallace, Paige G Wickner, Li Zhou
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are among the most frequently used medications in the United States. NSAID use can be limited by adverse drug reactions (ADRs), including hypersensitivity reactions (HSRs). OBJECTIVE: We aimed to use electronic health record data to determine the incidence and predictors of HSRs to prescription NSAIDs. METHODS: We performed a retrospective cohort study of all adult outpatients in a large health care system prescribed diclofenac, indomethacin, nabumetone, or piroxicam between January 1, 2004, and September 30, 2012...
January 18, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28094039/cisplatin-can-be-safely-administered-to-ovarian-cancer-patients-with-hypersensitivity-to-carboplatin
#15
A Bergamini, C Pisano, M Di Napoli, L Arenare, C Della Pepa, R Tambaro, G Facchini, P Gargiulo, S Rossetti, G Mangili, S Pignata, S C Cecere
OBJECTIVE: Hypersensitivity reactions (HSR) are frequently reported in patients rechallenged with carboplatin for recurrent ovarian cancer (ROC) and represent a critical issue, since discontinuation of the platinum-based therapy could affect prognosis. Several strategies to allow platinum rechallenge have been described, with controversial outcomes. The aim of this study is to illustrate a 10-year experience with cisplatin in patients with a previous HSR to carboplatin or at risk for allergy...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28057759/potent-nlrp3-inflammasome-activation-by-the-hiv-reverse-transcriptase-inhibitor-abacavir
#16
Atiye Toksoy, Helga Sennefelder, Christian Adam, Sonja Hofmann, Axel Trautmann, Matthias Goebeler, Marc Schmidt
There is experimental and clinical evidence that some exanthematous allergic drug hypersensitivity reactions are mediated by drug-specific T cells. We hypothesized that the capacity of certain drugs to directly stimulate the innate immune system may contribute to generate drug-specific T cells. Here we analyzed whether abacavir, an HIV-1 reverse transcriptase inhibitor often inducing severe delayed-type drug hypersensitivity, can trigger innate immune activation that may contribute to its allergic potential...
February 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28049210/hypersensitivity-reactions-to-nonsteroidal-anti-inflammatory-drugs-among-adults-clinical-features-and-risk-factors-for-diagnosis-confirmation
#17
Eva Rebelo Gomes, Luísa Geraldes, Ângela Gaspar, Daniela Malheiro, Susana Cadinha, Carmo Abreu, Marta Chambel, Eugénia Almeida, Emília Faria
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDS) are among the most common causes of drug hypersensitivity (HS) reactions. The diagnosis is based on a careful clinical history, and provocation tests are considered the gold standard for diagnosis. Skin tests have some value to study reactions to pyrazolones. Laboratory investigations are mostly used for research purposes. Different phenotypes have been described. OBJECTIVE AND METHODS: Our aim was to describe the most common clinical manifestations of NSAID HS in a large population of adult patients, the drugs involved, the association with previously described risk factors, and the outcome of diagnostic procedures...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28034549/basophil-activation-test-is-a-relevant-biomarker-of-the-outcome-of-rapid-desensitization-in-platinum-compounds-allergy
#18
Pedro Giavina-Bianchi, Violeta Régnier Galvão, Matthieu Picard, Joana Caiado, Mariana C Castells
BACKGROUND: Rapid drug desensitization (RDD) has become a cornerstone in the management of immediate drug hypersensitivity reactions (DHRs) to chemotherapeutic agents. Because of the inherent risk of anaphylaxis during RDD, biomarkers to predict patients at risk of developing such severe reactions are needed. The basophil activation test (BAT) has been used in DHRs as a diagnostic tool. OBJECTIVE: We evaluated basophil CD63 and CD203c expression (BAT) as a biomarker to assess the safety and effectiveness of RDD in platinum compounds-allergic patients...
December 26, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27975150/re-exposure-to-low-osmolar-iodinated-contrast-media-in-patients-with-prior-moderate-to-severe-hypersensitivity-reactions-a-multicentre-retrospective-cohort-study
#19
Hye Jung Park, Jung-Won Park, Min-Suk Yang, Mi-Yeong Kim, Sae-Hoon Kim, Gwang Cheon Jang, Young-Hee Nam, Gun-Woo Kim, Sujeong Kim, Hye-Kyung Park, Jae-Woo Jung, Jong-Sook Park, Hye-Ryun Kang
OBJECTIVES: To evaluate the outcomes of re-exposure to low-osmolar iodinated contrast medium (LOCM) in patients with a history of moderate-to-severe hypersensitivity reaction (HSR). METHODS: We retrospectively evaluated a cohort comprising all subjects satisfying the following conditions at 11 centres: (1) experienced a moderate-to-severe HSR to LOCM by December 2014, and (2) underwent contrast-enhanced computed tomography after the initial HSR between January 2014 and December 2014...
December 14, 2016: European Radiology
https://www.readbyqxmd.com/read/27960170/classification-of-drug-hypersensitivity-into-allergic-p-i-and-pseudo-allergic-forms
#20
REVIEW
Werner J Pichler, Oliver Hausmann
Drug hypersensitivity reactions (DHR) are clinically and functionally heterogeneous. Different subclassifications based on timing of symptom appearance or type of immune mechanism have been proposed. Here, we show that the mode of action of drugs leading to immune/inflammatory cell stimulation is a further decisive factor in understanding and managing DHR. Three mechanisms can be delineated: (a) some drugs have or gain the ability to bind covalently to proteins, form new antigens, and thus elicit immune reactions to hapten-carrier complexes (allergic/immune reaction); (b) a substantial part of immune-mediated DHR is due to a typical off-target activity of drugs on immune receptors like HLA and TCR (pharmacological interaction with immune receptors, p-i reactions); such p-i reactions are linked to severe DHR; and (c) symptoms of DHR can also appear if the drug stimulates or inhibits receptors or enzymes of inflammatory cells (pseudo-allergy)...
2016: International Archives of Allergy and Immunology
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