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Drug hypersensitivity

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https://www.readbyqxmd.com/read/28431970/effects-of-natural-and-synthetic-isothiocyanate-based-h2s-releasers-against-chemotherapy-induced-neuropathic-pain-role-of-kv7-potassium-channels
#1
Lorenzo Di Cesare Mannelli, Elena Lucarini, Laura Micheli, Ilaria Mosca, Paolo Ambrosino, Maria Virginia Soldovieri, Alma Martelli, Lara Testai, Maurizio Taglialatela, Vincenzo Calderone, Carla Ghelardini
Hydrogen sulfide (H2S) is a crucial signaling molecule involved in several physiological and pathological processes. Nonetheless, the role of this gasotransmitter in the pathogenesis and treatment of neuropathic pain is controversial. The aim of the present study was to investigate the pain relieving profile of a series of slow releasing H2S donors (the natural allyl-isothiocyanate and the synthetics phenyl- and carboxyphenyl-isothiocyanate) in animal models of neuropathic pain induced by paclitaxel or oxaliplatin, anticancer drugs characterized by a dose-limiting neurotoxicity...
April 18, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28418758/inhaled-heparin-therapeutic-efficacy-and-recent-formulations
#2
Ayca Yildiz-Pekoz, Yildiz Ozsoy
Heparin is well known for its anticoagulant and anti-inflammatory properties. Inhaled heparin regimens are increasingly being used to manage lung disease. It has been used to treat cystic fibrosis, thromboembolism, and pulmonary fibrosis, as well as bronchial asthma and asthma-induced airway hypersensitivity. Several preclinical studies attained some useful effects of heparin-administered, parenterally and through inhalation, treatment of lung disease. Besides, recent clinical trials suggest that inhaled heparin for lung diseases is beneficial and safe, but such data remain to be limited...
April 18, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28418172/analgesic-effect-of-clobazam-in-chronic-low-back-pain-but-not-in-experimentally-induced-pain
#3
J Schliessbach, P H Vuilleumier, A Siegenthaler, L Bütikofer, A Limacher, P Juni, H U Zeilhofer, L Arendt-Nielsen, M Curatolo
BACKGROUND: Chronic pain is frequently associated with hypersensitivity of the nervous system, and drugs that increase central inhibition are therefore a potentially effective treatment. Benzodiazepines are potent modulators of GABAergic neurotransmission and are known to exert antihyperalgesic effects in rodents, but translation into patients are lacking. This study investigates the effect of the benzodiazepine clobazam in chronic low-back pain in humans. The aim of this study is to explore the effect of GABA modulation on chronic low-back pain and on quantitative sensory tests...
April 18, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28416991/can-denosumab-be-a-substitute-competitor-or-complement-to-bisphosphonates
#4
REVIEW
Su Young Kim, Hwoe Gyeong Ok, Christof Birkenmaier, Kyung Hoon Kim
Osteoblasts, originating from mesenchymal cells, make the receptor activator of the nuclear factor kappa B ligand (RANKL) and osteoprotegerin (OPG) in order to control differentiation of activated osteoclasts, originating from hematopoietic stem cells. When the RANKL binds to the RANK of the pre-osteoclasts or mature osteoclasts, bone resorption increases. On the contrary, when OPG binds to the RANK, bone resorption decreases. Denosumab (AMG 162), like OPG (a decoy receptor), binds to the RANKL, and reduces binding between the RANK and the RANKL resulting in inhibition of osteoclastogenesis and reduction of bone resorption...
April 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/28416298/-epicutaneous-patch-testing-in-delayed-drug-hypersensitivity-reactions-induced-by-antiepileptic-drugs
#5
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/28414681/what-can-erode-through-lungs-bone-and-skin
#6
J M Manalac, D Shankaranayanan, J Paul-Olivier, L Guidry, N R Sells
CASE: A 51 year old African American Man without significant past history presented with three weeks of persistent cough productive of copious yellow sputum. He denied fevers, chills, hemoptysis, dyspnea, weight or appetite changes, sick contacts, recent travel. On physical examination, the patient was afebrile and appeared comfortable. He had decreased air entry of the left lower lobe with dullness to percussion. A 5x3 cm fluctuant mass was incidentally found on the left anterior chest wall at the level of the 11th rib with yellow expressible exudate at which time the patient reported a minor trauma sustained 3 weeks prior...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28412864/cutaneous-allergic-drug-reactions-update-on-pathophysiology-diagnostic-procedures-and-differential-diagnostic
#7
Galina Balakirski, Hans F Merk
Important changes in the understanding and management of drug hypersensitivity reactions during the last years result from the increasing importance of biologics in medical practice, which differ in their spectrum of adverse drug reactions (ADRs) from the classical covalent drugs. With regard to covalent drugs, ampicillin and amoxicillin as well as clavulanic acid play an increasing role among ADRs to betalactam antibiotics. Fluoroquinolones are mainly the cause of anaphylactic and photosensitivity reactions...
April 17, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28410920/potential-drug-interaction-with-opioid-agonist-in-the-setting-of-chronic-low-dose-opioid-antagonist-use
#8
James B Leonard, Vidya Nair, Christopher J Diaz, Jonathan B Penoyar, Penelope A Goode
Low dose naltrexone (LDN) has been evaluated in several small studies for the treatment of inflammatory conditions. It is thought to work through modulation of inflammatory mediators and upregulation of endogenous opioid receptors. This may hypersensitize patients to exogenous opioids. Drug-drug interaction screening tools built into electronic health records and other services identify the interaction as risk of opioid withdrawal rather than hypersensitivity. We present a case of a drug-drug interaction in a patient who was receiving LDN treatment of multiple sclerosis...
April 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28410699/anaphylaxis-to-rifampicin-and-pyrazinamide-in-a-child-with-tuberculous-meningitis-a-case-report
#9
Gulnaz Nadri, Sunil Taneja, Varinder Singh, Purvi Mittal
Rifampicin (RFP) and pyrazinamide (PZA) are the primary anti-tubercular drugs with a considerably safe profile. However, none of the drugs are without adverse reactions. They both can lead to a variety of adverse effects including life-threatening anaphylaxis. We report an interesting and possibly the first case of concurrent hypersensitivity to two primary anti-tubercular treatment (ATT) drugs. Hypersensitivity to RFP and PZA was confirmed in this patient by drug provocation and intradermal skin testing. He improved on alternative ATT regime withdrawing RFP and PZA...
April 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28404157/nab-paclitaxel-versus-solvent-based-paclitaxel-in-patients-with-previously-treated-advanced-gastric-cancer-absolute-an-open-label-randomised-non-inferiority-phase-3-trial
#10
Kohei Shitara, Atsuo Takashima, Kazumasa Fujitani, Keisuke Koeda, Hiroki Hara, Norisuke Nakayama, Shuichi Hironaka, Kazuhiro Nishikawa, Yoichi Makari, Kenji Amagai, Shinya Ueda, Kazuhiro Yoshida, Hideki Shimodaira, Tomohiro Nishina, Masahiro Tsuda, Yukinori Kurokawa, Takao Tamura, Yasutsuna Sasaki, Satoshi Morita, Wasaburo Koizumi
BACKGROUND: Weekly administration of solvent-based paclitaxel is one of the standard second-line chemotherapy regimens for advanced gastric cancer. Nanoparticle albumin-bound paclitaxel (nab-paclitaxel) was developed to improve the solubility of paclitaxel and does not need premedication to avoid infusion-related reactions associated with solvent-based paclitaxel. Additionally, higher doses of nab-paclitaxel can be administered over a shorter infusion time and at higher drug concentrations compared with solvent-based paclitaxel...
April 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403263/microneedling-in-all-skin-types-a-review
#11
Lauren Meshkov Bonati, Gorana Kuka Epstein, Tamara Lazic Strugar
<p>INTRODUCTION: Microneedling procedures are growing in popularity for a wide variety of skin conditions. This paper comprehensively reviews the medical literature regarding skin needling efficacy and safety in all skin types and in multiple dermatologic conditions.</p> <p>METHODS: A PubMed literature search was conducted in all languages without restriction and bibliographies of relevant articles reviewed. Search terms included: "microneedling," "percutaneous collagen induction," "needling," "skin needling," and "dermaroller...
April 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28400693/ludwig-s-angina-a-nightmare-worsened-by-adverse-drug-reaction-to-antibiotics
#12
Mohamed Hisham, Mundilipalayam N Sivakumar, R S Senthil Kumar, P Nandakumar
A 52-year-old obese gentleman presented to the hospital with complaints of fever and shortness of breath for 10 days. He was admitted in the ward and treated for acute exacerbation of asthma. He was shifted to the Intensive Care Unit (ICU) for persistent fever, neck swelling, airway obstruction and desaturation. Ludwig's angina was suspected and computed tomography of neck confirmed it. A difficult airway was anticipated and preceded with surgical tracheostomy. The patient had hypersensitivity reactions to piperacillin/tazobactam; hence, he was treated with clindamycin and metronidazole...
March 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28398495/a-histological-study-of-fulminant-type-1-diabetes-mellitus-related-to-human-cytomegalovirus-reactivation
#13
Sho Yoneda, Akihisa Imagawa, Kenji Fukui, Sae Uno, Junji Kozawa, Makoto Sakai, Toshiki Yumioka, Hiromi Iwahashi, Iichiro Shimomura
Context: Fulminant type 1 diabetes mellitus (T1DM) is thought to be partly caused by virus infection. Objective: This study investigated the mechanism of β cell destruction in fulminant T1DM after drug-induced hypersensitivity syndrome (DIHS). Methods: We determined the localization of viruses of human cytomegalovirus (HCMV), human herpesvirus 6 (HHV-6) and Epstein-Barr virus (EBV), and the expression of interferon regulatory factor 3 (IRF3) and viral receptors of Z DNA binding protein 1 (ZBP1) and retinoic acid-inducible gene I (RIG-I), together with inflammatory cells by immunohistochemistry of pancreas from an autopsy fulminant T1DM patient with DIHS or seven subjects with normal glucose tolerance who underwent pancreatectomy...
April 10, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28396046/minocycline-prevents-muscular-pain-hypersensitivity-and-cutaneous-allodynia-produced-by-repeated-intramuscular-injections-of-hypertonic-saline-in-healthy-human-participants
#14
Mohamad Samir Samour, Saad Saulat Nagi, Peter John Shortland, David Anthony Mahns
Minocycline, a glial suppressor, prevents behavioural hypersensitivities in animal models of peripheral nerve injury. However clinical trials of minocycline in human studies have produced mixed results. This study addressed two questions: can repeated injections of hypertonic saline (HS) in humans induce persistent hypersensitivity? Can pre-treatment with minocycline, a tetracycline antibiotic with microglial inhibitory effects, prevent the onset of hypersensitivity? Twenty seven healthy participants took part in this double-blind, placebo-controlled study, consisting of six test sessions across 2 weeks...
April 7, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28393479/inhibitory-effects-and-mechanisms-of-electroacupuncture-via-chronically-implanted-electrodes-on-stress-induced-gastric-hypersensitivity-in-rats-with-neonatal-treatment-of-iodoacetamide
#15
Jingzhu Zhou, Shiying Li, Yinping Wang, Robert D Foreman, Jieyun Yin, Shengsheng Zhang, Jiande D Z Chen
BACKGROUND: Stress is considered an independent factor causing and aggravating gastrointestinal symptoms, including visceral pain. The aim of this study was to investigate effects and mechanisms of electroacupuncture (EA) on stress-induced gastric hypersensitivity in rats treated with neonatal iodoacetamide mimicking human functional dyspepsia (FD). METHODS: Neonatal rats were treated with gavage of 0.2 mL of 0.1% iodoacetamide in 2% sucrose daily for six days starting on tenth day after birth...
April 10, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28391876/lipoprotein-x-in-cholestatic-patients-causes-xanthomas-and-promotes-foam-cell-formation-in-human-macrophages
#16
Luka Suzuki, Satoshi Hirayama, Mariko Fukui, Makoto Sasaki, Sadayuki Hiroi, Makoto Ayaori, Shuji Terai, Minoru Tozuka, Hirotaka Watada, Takashi Miida
BACKGROUND: Lipoprotein-X (Lp-X) is an abnormal phospholipid-rich lipoprotein found in patients with cholestatic liver disease. Some patients exhibit skin xanthomas and severe hyperlipidemia. OBJECTIVE: We investigated whether Lp-X induces foam cell formation in human-derived macrophages. METHODS: To compare the atherogenic properties of Lp-X and modified LDL, we isolated Lp-X from 2 patients who had drug-induced cholestasis and xanthoma striata in the interphalangeal folds...
January 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28391407/influence-of-genetic-and-non-genetic-factors-on-phenytoin-induced-severe-cutaneous-adverse-drug-reactions
#17
Kittika Yampayon, Chonlaphat Sukasem, Chanin Limwongse, Yotin Chinvarun, Therdpong Tempark, Ticha Rerkpattanapipat, Pornpimol Kijsanayotin
PURPOSE: The purpose of this study was to investigate the association of genetic factors including variants in HLA-B and CYP2C genes and non-genetic factors with phenotype-specific phenytoin (PHT)-induced severe cutaneous adverse reactions (SCARs) in Thai patients. METHODS: Thirty-six PHT-induced SCAR cases (15 Stevens-Johnson syndrome (SJS) and 21 drug rash with eosinophilia and systemic symptoms (DRESS)/drug hypersensitivity syndrome (DHS)) and 100 PHT-tolerant controls were studied...
April 8, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28382604/non-immediate-cutaneous-reactions-to-beta-lactams-approach-to-diagnosis
#18
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/28379592/severe-hepatocytotoxicity-linked-to-denosumab
#19
S Malnick, Y Maor, E Melzer, N N Ziv-Sokolowskaia, M G Neuman
OBJECTIVE: Denosumab (Prolia, Amgen, Thousand Oaks, CA, USA) is a fully human antibody to the receptor activator of nuclear factor-KB ligand (RANKL). We present a case of submassive hepatic necrosis with evidence implicating cytokine induction resulting from an immune reaction to denosumab. CASE REPORT: A 72-year-old lady presented with elevated liver enzymes. One month previously, she received a s/c administration of 60 mg of denosumab. Viral hepatitis A, B and C and human herpes viruses 6-7 were negative as were routine autoimmune serology...
March 2017: European Review for Medical and Pharmacological Sciences
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
#20
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
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