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Drug hypersensitivity

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https://www.readbyqxmd.com/read/28315874/multiple-drug-hypersensitivity
#1
Werner J Pichler, Yuttana Srinoulprasert, James Yun, Oliver Hausmann
Multiple drug hypersensitivity (MDH) is a syndrome that develops as a consequence of massive T-cell stimulations and is characterized by long-lasting drug hypersensitivity reactions (DHR) to different drugs. The initial symptoms are mostly severe exanthems or drug rash with eosinophilia and systemic symptoms (DRESS). Subsequent symptoms due to another drug often appear in the following weeks, overlapping with the first DHR, or months to years later after resolution of the initial presentation. The second DHR includes exanthema, erythroderma, DRESS, Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN), hepatitis, and agranulocytosis...
March 18, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28315856/an-update-on-hla-alleles-associated-with-adverse-drug-reactions
#2
Ingrid Fricke-Galindo, Adrián LLerena, Marisol López-López
Adverse drug reactions (ADRs) are considered as an important cause of morbidity and mortality. The hypersensitivity reactions are immune-mediated ADRs, which are dose-independent, unpredictable and have been associated with several HLA alleles. The present review aimed to describe HLA alleles that have been associated with different ADRs in populations worldwide, the recommendations of regulatory agencies and pharmacoeconomic information and databases for the study of HLA alleles in pharmacogenetics. A systematic search was performed in June 2016 of articles relevant to this issue in indexed journals and in scientific databases (PubMed and PharmGKB)...
March 18, 2017: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/28303164/adverse-drug-reactions-triggered-by-the-common-hla-b-57-01-variant-a-molecular-docking-study
#3
George Van Den Driessche, Denis Fourches
BACKGROUND: Human leukocyte antigen (HLA) surface proteins are directly involved in idiosyncratic adverse drug reactions. Herein, we present a structure-based analysis of the common HLA-B*57:01 variant known to be responsible for several HLA-linked adverse effects such as the abacavir hypersensitivity syndrome. METHODS: First, we analyzed three X-ray crystal structures involving the HLA-B*57:01 protein variant, the anti-HIV drug abacavir, and different co-binding peptides present in the antigen-binding cleft...
2017: Journal of Cheminformatics
https://www.readbyqxmd.com/read/28301410/allergic-reaction-upon-intravitreal-administration-of-anti-vascular-endothelial-growth-factor-agents
#4
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/28296768/difficult-clinical-management-of-antituberculosis-dress-syndrome-complicated-by-mrsa-infection-a-case-report
#5
Li Wang, Lin-Feng Li
RATIONALE: Drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome is a severe drug-induced hypersensitivity reaction characterized by skin rash, fever, blood abnormalities, and multiple organ involvement. The diagnosis of DRESS syndrome is often delayed because of its variable presentation. Prompt withdrawal of the culprit drug is the definitive treatment. DRESS syndrome induced by antituberculosis drugs has rarely been reported. PATIENT CONCERNS: A 50-year-old man admitted to our hospital with recurrent episodes of progressive rash, fever, eosinophilia, lymphadenopathy, hepatic, and pulmonary involvement were experienced after repeat trials of the same antituberculosis drugs...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28295448/drug-rechallenge-following-drug-induced-liver-injury
#6
REVIEW
Christine M Hunt, Julie I Papay, Vid Stanulovic, Arie Regev
Drug induced hepatocellular injury is identified internationally by ALT 5x upper limits normal (ULN) appearing within 3 months of drug initiation, after alternative causes are excluded. Upon withdrawing the suspect drug, ALT generally decreases by 50% or more. With drug readministration, a positive rechallenge has recently been defined by an ALT 3-5xULN or greater. Nearly 50 drugs are associated with positive rechallenge after drug-induced liver injury (DILI): antimicrobials, central nervous system, cardiovascular and oncology therapeutics...
March 13, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28293415/approach-to-the-diagnosis-of-drug-hypersensitivity-reactions-similarities-and-differences-between-europe-and-north-america
#7
REVIEW
M J Torres, A Romano, G Celik, P Demoly, D A Khan, E Macy, M Park, K Blumenthal, W Aberer, M Castells, A Barbaud, C Mayorga, P Bonadonna
Drug hypersensitivity reactions (DHRs) affect an unknown proportion of the general population, and are an important public health problem due to their potential to cause life-threatening anaphylaxis and rare severe cutaneous allergic reactions. DHR evaluations are frequently needed in both ambulatory and hospital settings and have a complex diagnosis that requires a detailed clinical history and other tests that may include in vitro tests and in vivo procedures such as skin tests and drug provocation tests...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28288233/-dress-syndrome-in-paediatrics-clinical-case
#8
Marcos Silva-Feistner, Elena Ortiz, María Jesús Rojas-Lechuga, Daniel Muñoz
Drug reaction with eosinophilia and systemic symptoms (DRESS) is a rare, potentially life-threatening, drug-induced hypersensitivity reaction that includes skin eruption, haematological abnormalities, lymphadenopathy, and internal organ involvement. OBJECTIVE: Presenting a rare condition in children, to facilitate a rapid diagnostic suspicion and recognition by doctors. CASE REPORT: An 9 months old infant admitted due to a severe viral pneumonia, managed with non-invasive ventilation and ceftriaxone...
February 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28285358/fluoroquinolones-and-propionic-acid-derivatives-induce-inflammatory-responses-in-vitro
#9
Akira Nakajima, Hiroki Sato, Shingo Oda, Tsuyoshi Yokoi
Fluoroquinolones and propionic acid derivatives are widely used antibacterials and non-steroidal anti-inflammatory drugs, respectively, which have been reported to frequently trigger drug hypersensitivity reactions. Such reactions are induced by inflammatory mediators such as cytokines and chemokines. The present study investigated whether levofloxacin, a fluoroquinolone, and loxoprofen, a propionic acid derivative, have the potential to induce immune-related gene expression in dendritic cell-like cell lines such as HL-60, K562, and THP-1, and immortalized keratinocytes such as HaCaT...
March 11, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28284977/mesalamine-desensitization-in-a-patient-with-treatment-refractory-ulcerative-colitis-and-aspirin-and-nonsteroidal-anti-inflammatory-drug-hypersensitivity
#10
Jordan L Heath, Ryan D Heath, Cyrus Tamboli, Larry Johnson, Ashley S Wilson, Sheva Chervinskiy, Matthew C Bell, Joshua L Kennedy
No abstract text is available yet for this article.
March 8, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28284382/medication-induced-interstitial-nephritis-in-the-21st-century
#11
REVIEW
Cynthia C Nast
Interstitial nephritis is an immune mediated form of tubulointerstitial kidney injury that may occur secondary to drugs, autoimmune disease, infections, and hematologic disorders or as a reactive process. Drug-induced acute interstitial nephritis (DI-AIN) occurs in 0.5%-3% of all kidney biopsies and in 5%-27% of biopsies performed for acute kidney injury. Drugs are implicated in 70%-90% of biopsy-proved IN with a prevalence of 50% in less developed to 78% in more developed countries. DI-AIN typically is idiosyncratic because of a delayed hypersensitivity reaction, although some chemotherapeutic agents are permissive for immune upregulation and injure the kidney in a dose-related manner...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28284381/mechanisms-of-drug-induced-interstitial-nephritis
#12
REVIEW
Rajeev Raghavan, Saed Shawar
Drug-induced acute interstitial nephritis (DI-AIN) is a drug hypersensitivity reaction (DHR) that manifests 7 to 10 days after exposure to the culprit drug. DHRs account for fewer than 15% of reported adverse drug reactions. The kidneys are susceptible to DHR because: (1) the high renal blood flow whereby antigens are filtered, secreted, or concentrated, and (2) it is a major site of excretion for drugs and drug metabolites. More than 250 different drugs from various classes have been incriminated as causative agents of DI-AIN, the third most common cause of acute kidney injury in the hospital...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28281499/new-onset-focal-epilepsy-in-adults-antiepileptic-drug-treatment
#13
J M K Murthy
Focal epilepsy, non-syndromic, is by far the most prevalent epilepsy in adults. Antiepileptic drug (AED) prescription in patients with new-onset focal epilepsy is often challenging. The factors that determine AED of choice depends both on the patient-specific and AED-specific variables. Monotherapy should the initial strategy. Failure to monotherapy can be due to lack of efficacy, severe adverse events, or a hypersensitivity reaction. In such patients, the next strategy should be alternate monotherapy trials...
2017: Neurology India
https://www.readbyqxmd.com/read/28279735/development-of-a-pharmacodynamic-biomarker-to-measure-target-engagement-from-inhibition-of-the-ngf-trka-pathway
#14
Eric A Price, Alicja Krasowska-Zoladek, Kausik K Nanda, Shawn J Stachel, Darrell A Henze
BACKGROUND: NGF signaling through TrkA triggers pathways involved in a wide range of biological effects. Clinical trials targeting either NGF or TrkA are ongoing to treat various diseases in the areas of oncology, neuroscience, and for pain, but there is no described measure of target engagement of TrkA in these studies. NEW METHOD: We have developed custom ELISA assays to measure NGF-induced phosphorylation of TrkA specific for rodent and human receptors. Optimized tissue processing methods allow for detection in both the brain and in skin...
March 7, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28276537/recombinant-von-willebrand-factor-a-first-of-its-kind-product-for-von-willebrand-disease
#15
M Singal, P A Kouides
von Willebrand disease (VWD) is caused by quantitative or qualitative defects in von Willebrand factor (VWF). The mainstay of therapy is desmopressin, which is, however, not useful in certain forms of VWD notwithstanding adverse events. For these patients, plasma-derived factor VIII (pdFVIII)/VWF concentrates have been available for close to three decades but have a theoretical risk of disease transmission, hypersensitivity/allergic reactions, inhibitors and thrombosis. A recombinant VWF (vonicog alfa, Vonvendi™; manufactured by Baxalta, now part of Shire) was approved by the U...
December 2016: Drugs of Today
https://www.readbyqxmd.com/read/28270079/synthesis-and-characterization-of-water-soluble-conjugates-of-cabazitaxel-hemiesters-dextran
#16
Elahehnaz Parhizkar, Fatemeh Ahmadi, Saeid Daneshamouz, Soliman Mohammadi-Samani, Amirhossein Sakhteman, Golnaz Parhizgar
BACKGROUND: Cabazitaxel (CTX) is a second- generation taxane derivative, a class of potent anticancer drugs with very low water solubility. CTX is used in patients with resistant prostate cancer unresponsive to the first generation taxane, docetaxel. Currently marketed formulations of CTX contain high concentrations of surfactant and ethanol, which causes severe hypersensitivity reactions in patients. METHODS: In order to increase its solubility, two hemiester analogs; CTX-succinate and CTX-glutarate were synthesized and characterized...
February 13, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28258978/use-of-gelatin-sponge-affects-postoperative-morbidity-in-cesarean-section-patients
#17
Alev Özer, Bülent Köstü
BACKGROUND This study aimed to determine the effects of use of a local hemostatic gelatin sponge (GS) on postoperative morbidity in patients undergoing cesarean section (CS). MATERIAL AND METHODS The records of 318 patients who underwent CS surgery were retrospectively evaluated. Group 1 consisted of 59 patients with gelatin sponge (GS) applied, and Group 2 consisted of 259 patients with no GS applied. The groups were compared for time to the first flatus, nausea and vomiting, requirement for anti-emetic drugs, development of postoperative ileus, and the length of hospitalization...
March 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28258478/in-vitro-diagnosis-of-immediate-drug-hypersensitivity-anno-2017-potentials-and-limitations
#18
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/28258476/psychomotor-agitation-following-treatment-with-hydroxychloroquine
#19
Ciro Manzo, Pietro Gareri, Alberto Castagna
We describe the case of an elderly woman with elderly-onset rheumatoid arthritis, where the use of 4 mg/kg/day of hydroxychloroquine (HCQ) was followed by the onset of psychomotor agitation with marked physical and verbal violence towards her partner, including throwing objects at her partner. No disturbance in sleep and no anxiety, nervousness, or irritability had emerged before the onset of her psychomotor agitation. The disappearance of agitation following targeted pharmacologic intervention and HCQ interruption, its re-onset after reintroduction of the drug, and the high score (9) of Naranjo's algorithm are surely linked to the existence of a causal relationship between HCQ and psychomotor agitation...
December 2017: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/28257810/anti-her2-immunoliposomes-for-co-delivery-of-paclitaxel-and-rapamycin-for-breast-cancer-therapy
#20
Josimar O Eloy, Raquel Petrilli, Deise L Chesca, Fabiano P Saggioro, Robert J Lee, Juliana Maldonado Marchetti
Breast cancer is the second leading cause of cancer deaths among women. Paclitaxel (PTX) is used for its treatment, however non-selectivity, rapid systemic clearance and hypersensitivity to the commercially available formulation are major drawbacks. Rapamycin (RAP), an mTOR inhibitor, acts synergistically with PTX, and thus could be used in combination with it. Drug loading into nanocarriers, particularly liposomes, has proven to enhance efficacy and reduce side-effects of chemotherapeutic drugs. Within this context, the functionalization of liposomes with antibodies for overexpressed receptors on tumor surface is a potential strategy to increase specificity and reduce side-effects...
February 28, 2017: European Journal of Pharmaceutics and Biopharmaceutics
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