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Drug-induced hepatotoxicity

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https://www.readbyqxmd.com/read/28820004/drug-induced-liver-injury-in-children-clinical-observations-animal-models-and-regulatory-status
#1
Qiang Shi, Xi Yang, James J Greenhaw, Alec Thomas Salminen, Gary M Russotti, William F Salminen
Drug-induced liver injury in children (cDILI) accounts for about 1% of all reported adverse drug reactions throughout all age groups, less than 10% of all clinical DILI cases, and around 20% of all acute liver failure cases in children. The overall DILI susceptibility in children has been assumed to be lower than in adults. Nevertheless, controversial evidence is emerging about children's sensitivity to DILI, with children's relative susceptibility to DILI appearing to be highly drug-specific. The culprit drugs in cDILI are similar but not identical to DILI in adults (aDILI)...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28809737/acute-liver-failure-due-to-etodolac-a-selective-cycloxygenase-2-cox-2-inhibitor-non-steroidal-anti-inflammatory-drug-established-by-rucam-based-causality-assessment
#2
Sunil Taneja, Pramod Kumar, Sahaj Rathi, Ajay Duseja, Virendra Singh, Radha Krishan Dhiman, Yogesh Kumar Chawla
Drug induced liver injury is a common cause of acute liver failure (ALF). While most of these cases are due to dose dependent hepatotoxicity with acetaminophen, idiosyncratic drug-induced liver injury (DILI) is responsible for about 15% cases of ALF. Antibiotics are the most common cause of idiosyncratic DILI as well as DILI induced ALF. Etodolac is a selective cycloxygenase- 2 (COX -2) inhibitor non-steroidal anti-inflammatory drug used as an analgesic and anti-inflammatory in musculoskeletal diseases. Severe liver impairment is extremely rare...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28806057/rational-design-and-multi-biological-profiling-of-novel-donepezil-trolox-hybrids-against-alzheimer-s-disease-with-cholinergic-antioxidant-neuroprotective-and-cognition-enhancing-properties
#3
Pei Cai, Si-Qiang Fang, Xue-Lian Yang, Jia-Jia Wu, Qiao-Hong Liu, Hao Hong, Xiao-Bing Wang, Lingyi Kong
A novel series of donepezil-trolox hybrids were designed, synthesized and evaluated as multifunctional ligands against Alzheimer's disease (AD). Biological assays showed that these derivatives possessed moderate to good inhibitory activities against acetylcholinesterase (AChE) and monoamine oxidase B (MAO-B) as well as remarkable antioxidant effects. The optimal compound 6d exhibited balanced functions with good inhibition against hAChE (IC50 = 0.54 μM) and hMAO-B (IC50 = 4.3 μM), significant antioxidant activity (41...
August 14, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28803824/the-clinical-spectrum-of-hepatic-manifestations-in-chronic-lymphocytic-leukemia
#4
REVIEW
Natalia Kreiniz, Ofrat Beyar Katz, Aaron Polliack, Tamar Tadmor
Chronic lymphocytic leukemia (CLL) is the most common leukemia in the Western world, characterized by the presence of long-lived circulating leukemic cells in the peripheral blood that may infiltrate all organs, particularly those of the reticulo-endothelial system. Liver enlargement and elevation of liver enzymes related to specific involvement by the underlying disease are well-recognized features in these patients. In CLL, the differential diagnosis of liver disorders is broad and includes liver infiltration by leukemic cells, immunologic manifestations associated with CLL, primary and secondary hepatic malignancies, drug-induced hepatotoxicity, infections, and Richter transformation...
July 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28803044/new-racemic-annulated-pyrazolo-1-2-b-phthalazines-as-tacrine-like-ache-inhibitors-with-potential-use-in-alzheimer-s-disease
#5
Leili Jalili-Baleh, Hamid Nadri, Alireza Moradi, Syed Nasir Abbas Bukhari, Mojtaba Shakibaie, Mandana Jafari, Mostafa Golshani, Farshad Homayouni Moghadam, Loghman Firoozpour, Ali Asadipour, Saeed Emami, Mehdi Khoobi, Alireza Foroumadi
A novel series of tacrine-like compounds 7a-u possessing a fused pyrazolo[1,2-b]phthalazine structure were designed and synthesized as potent and selective inhibitors of AChE. The in-vitro biological assessments demonstrated that several compounds had high anti-AChE activity at nano-molar level. The more promising compound 7l with IC50 of 49 nM was 7-fold more potent than tacrine and unlike tacrine, it was highly selective against AChE over BuChE. The cell-based assays against hepatocytes (HepG2) and neuronal cell line (PC12) revealed that 7l had significantly lower hepatotoxicity compared to tacrine, with additional neuroprotective activity against H2O2-induced damage in PC12 cells...
July 31, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28800917/thyrotoxic-rubber-antioxidants-2-mercaptobenzimidazole-and-its-methyl-derivatives-cause-both-inhibition-and-induction-of-drug-metabolizing-activity-in-rat-liver-microsomes-after-repeated-oral-administration
#6
Atsuko Miyajima, Kazue Sakemi-Hoshikawa, Makoto Usami, Katsuyoshi Mitsunaga, Tomohiko Irie, Yasuo Ohno, Momoko Sunouchi
We examined the effects of thyrotoxic rubber antioxidants, 2-mercaptobenzimidazole (MBI, 0.3 mmol/kg/day) and its methyl derivatives, methyl-MBIs [4-methyl-MBI (4-MeMBI, 0.6 mmol/kg/day), 5-methyl-MBI (5-MeMBI, 0.6 mmol/kg/day), and 4(or 5)-methyl-MBI (4(5)-MeMBI, 0.6 or 1.2 mmol/kg/day)], on the drug-metabolizing activity in male rat liver microsomes by 8-day repeated oral administration. The weight of liver and thyroid were increased by all the test chemicals; MBI was most potent, and there was no additive or synergistic effect between 4-MeMBI and 5-MeMBI...
August 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28799976/effect-of-gene-gene-and-gene-environment-interactions-associated-with-antituberculosis-drug-induced-hepatotoxicity
#7
Julián G Chamorro, Jorge P Castagnino, Omar Aidar, Rosa M Musella, Ana Frías, Mabel Visca, Mabel Nogueras, Lucas Costa, Alessandro Perez, Fabio Caradonna, Gabriela F de Larrañaga
OBJECTIVES: This study evaluated the association between environmental factors and genetic variations in enzymes that metabolize antituberculosis (anti-TB) drugs [arylamine N-acetyltransferase 2, cytochrome P450 2E1 (CYP2E1), glutathione S-transferase theta 1 (GSTT1), and glutathione S-transferase mu 1] with antituberculosis drug-induced hepatotoxicity (ATDH). We also investigated the potential gene-gene and gene-environment interactions as well as their association with ATDH development in a population of hospitalized TB patients from Buenos Aires...
August 9, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28797532/assessment-of-in-vitro-antifungal-efficacy-and-in-vivo-toxicity-of-amphotericin-b-loaded-plga-and-plga-peg-blend-nanoparticles
#8
T C Moraes Moreira Carraro, C Altmeyer, N Maissar Khalil, R Mara Mainardes
Amphotericin B (AmB) is widely applied in treatment of systemic fungal infections. However, the emergence of severe adverse effects, such as nephrotoxicity, hepatotoxicity and hemolytic anemia, can limit its clinical use. Poly(lactide-co-glycolide) (PLGA) or poly(lactide-co-glycolide)-poly(ethylene glycol) (PLGA-PEG) blend nanoparticles containing AmB were developed with the aim to decrease AmB toxicity and propose the oral route for AmB delivery. Nanoparticles were characterized by particle size, polydispersity index, Fourier transform infrared spectroscopy, differential scanning calorimetry and X-ray diffraction analyses...
August 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28793897/aqueous-extract-of-phragmitis-rhizoma-ameliorates-myelotoxicity-of-docetaxel-in-vitro-and-in-vivo
#9
Jinhee Kim, You Jin Lee, Young Ah Kim, Eun-Sang Cho, Eunna Huh, Ok-Sun Bang, No Soo Kim
BACKGROUND: A variety of anticancer chemotherapeutics induce adverse side effects including myelotoxicity. Dried roots of Phragmites communis Trinius, Phragmitis rhizoma, have been clinically used in traditional folk medicine to relieve various symptoms like fever. In this study, we evaluated the protective effect of the aqueous extract of Phragmitis rhizoma (EPR) against docetaxel-induced myelotoxicity in vitro and in vivo. METHODS: The in vitro myelo-protective effect of EPR was evaluated using the colony forming unit (CFU) assay with hematopoietic progenitor cells...
August 9, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28782199/check-your-microbiota-when-taking-the-drug
#10
EDITORIAL
Katrin Hochrath, Bernd Schnabl
In this edition of Hepatology, Yip's article entitled "The Liver-Gut Microbiota Axis Modulates Hepatotoxicity of Tacrine in the Rat" [1] elegantly uncovers the impact of the intestinal microbiota in the inter-individual variation of tacrine-induced hepatotoxicity. This article is protected by copyright. All rights reserved.
August 6, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28772086/highlights-of-drug-and-herb-induced-liver-injury-in-the-literature-from-2016-how-best-to-translate-new-information-into-clinical-practice
#11
Omar Shahbaz, Sandeep Mahajan, James H Lewis
INTRODUCTION: More than 1500 papers on drug-induced liver injury (DILI) and herb-induced liver injury (HILI) were published in 2016, many of which have the potential to impact clinical practice. AREAS COVERED: Clinical studies and case series that lent themselves to new concepts or directions in diagnosing, preventing, and treating DILI were selected for inclusion. Epidemiology of DILI in large prospective registries was highlighted, including the US DILIN network and Spanish DILI registry...
August 3, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28766672/seabuckthorn-berry-polysaccharide-protects-against-carbon-tetrachloride-induced-hepatotoxicity-in-mice-via-anti-oxidative-and-anti-inflammatory-activities
#12
Wei Zhang, Xiaohui Zhang, Kai Zou, Jiming Xie, Shimin Zhao, Jingran Liu, Huan Liu, Jinling Wang, Yuzhen Wang
The berries of Seabuckthorn (Hippophae rhamnoides L.) are traditional medicinal foods that have been used by Tibetans and Mongolians for thousands of years. The polysaccharides are the main components of Seabuckthorn berries, possessing immune stimulating, anti-cancer and anti-fatigue activities. The present study focused on evaluating the protective effects and mechanisms of Seabuckthorn berry polysaccharide (SP) against carbon tetrachloride (CCl4)-induced hepatotoxicity. Mice were orally administrated with 50, 100 and 200 mg kg(-1) of SP once daily for 14 consecutive days prior to CCl4 challenge...
August 2, 2017: Food & Function
https://www.readbyqxmd.com/read/28762043/customised-in-vitro-model-to-detect-human-metabolism-dependent-idiosyncratic-drug-induced-liver-injury
#13
Laia Tolosa, Nuria Jiménez, Gabriela Pérez, José V Castell, M José Gómez-Lechón, M Teresa Donato
Drug-induced liver injury (DILI) has a considerable impact on human health and is a major challenge in drug safety assessments. DILI is a frequent cause of liver injury and a leading reason for post-approval drug regulatory actions. Considerable variations in the expression levels of both cytochrome P450 (CYP) and conjugating enzymes have been described in humans, which could be responsible for increased susceptibility to DILI in some individuals. We herein explored the feasibility of the combined use of HepG2 cells co-transduced with multiple adenoviruses that encode drug-metabolising enzymes, and a high-content screening assay to evaluate metabolism-dependent drug toxicity and to identify metabolic phenotypes with increased susceptibility to DILI...
July 31, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28758587/atypical-form-of-adult-onset-still-s-disease-with-distal-interphalangeal-joints-involvement
#14
Safaa Belghali, Nejla El Amri, Khadija Baccouche, Sadok Laataoui, Monia Bouzaoueche, Hela Zeglaoui, Elyes Bouajina
Distal interphalangeal (DIP) joints involvement in the adult-onset Still's disease (ASD) has been described in some publications but is rarely severe. We report severe DIP joints damages in a young patient with ASD. A 22 years old patient presented to our department complaining of inflammatory joints pain associated with prolonged fever and cutaneous rash. Physical examination identified polyarthritis and hepatosplenomegaly but no lymphadenopathies. After an extensive screening for neoplastic, infectious or hematologic diseases, the patient was finally diagnosed with ASD...
July 28, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28750235/investigation-of-the-effect-of-plasma-albumin-levels-on-regorafenib-induced-hepatotoxicity-using-a-validated-liquid-chromatography-tandem-mass-spectrometry-method
#15
Yi Yun Pang, Yeong Lan Tan, Han Kiat Ho
Regorafenib is an oral multikinase inhibitor indicated for metastatic colorectal cancer and gastrointestinal stromal tumour. Due to its extensive plasma protein binding and low calculated hepatic extraction ratio, the hepatotoxicity observed with usage of the drug may be related to its plasma exposure. To investigate the highly dynamic free:bound drug concentration for regorafenib in the plasma, a bioanalytical liquid chromatography-tandem mass spectrometric assay was developed and validated in human plasma...
July 17, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28748198/abacavir-dolutegravir-lamivudine-triumeq-induced-liver-toxicity-in-a-human-immunodeficiency-virus-infected-patient
#16
Erin S Christensen, Rupali Jain, Alison C Roxby
Drug-induced liver injury related to Triumeq (abacavir/lamivudine/dolutegravir) has not been reported in clinical trials. We report a case of hepatotoxicity related to Triumeq exposure in a human immunodeficiency virus-infected patient. Clinicians should remain aware of the risk for acute and late-onset hepatitis with these agents. Close monitoring is recommended.
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28747959/effect-of-prophylactic-use-of-silymarin-on-anti-tuberculosis-drugs-induced-hepatotoxicity
#17
Eunyoung Heo, Deog Kyeom Kim, So Hee Oh, Jung-Kyu Lee, Ju-Hee Park, Hee Soon Chung
BACKGROUND: The first line of anti-tuberculosis (TB) drugs are the most effective standard of drugs for TB. However, the use of these drugs is associated with hepatotoxicity. Silymarin has protective effects against hepatotoxicity of anti-TB drugs in animal models. This study aims to investigate the protective effect of silymarin on hepatotoxicity caused by anti-TB drugs. METHODS: This is a prospective, randomized, double-blind and placebo-controlled study. Patients were eligible if they were 20 years of age or order and started the first-line anti-tuberculosis drugs...
July 2017: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28745680/-the-decreased-level-of-plasma-carnitine-in-patients-with-epilepsy
#18
E D Belousova
Antiepileptic drugs (AEDs) have long been known to affect carnitine metabolism, dropping the plasma free carnitine. Valproate (VPA) was considered to be the strongest carnitine-reducing agent. VPA-induced hyperammonemic encephalopathy and hepatotoxicity are well known, and pre-existing carnitine deficiency can be a predisposing factor, especially in congenital metabolic disorders. Several studies have shown that carnitine supplementation in patients receiving VPA to result in subjective and objective improvements and to prevent VPA-induced hepatotoxicity and encephalopathy, in parallel with increases in carnitine serum concentrations...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28737131/pharmacokinetics-of-flucloxacillin-and-its-metabolites-in-patients-with-renal-failure-impact-on-liver-toxicity%C3%A2
#19
Alexandra Maier-Salamon, Salwa Ahmed Elgendy, Brigitte Meyer, Matthias Vossen, Theresia Thalhammer, Florian Thalhammer, Walter Jäger
OBJECTIVE: The antimicrobial agent flucloxacillin is a potential cause of drug-induced liver disease, but the underlying mechanisms for toxicity have not been fully elucidated. As in-vitro and in-vivo findings suggest that biotransformation products contribute to hepatotoxicity, the purpose of this study was to characterize formation and accumulation of its metabolites in patients with renal failure. METHODS: Twelve intensive care patients undergoing continuous venovenous hemofiltration received 4...
July 24, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28736996/phytochemical-investigation-antitumor-activity-and-hepatoprotective-effects-of-acrocarpus-fraxinifolius-leaf-extract
#20
Heba A S El-Nashar, Omayma A Eldahshan, Omama E Elshawi, Abdel Nasser B Singab
Preclinical Research Nine known phenolic compounds were isolated from an aqueous methanolic extract of Acrocarpus fraxinifolius Weight and Arn leaves (AFL) family Fabaceae. This extract of AFL contained approximately 169 mg gallic acid/g as assessed by HPLC. The AFL extract had marginal antitumor activity (IC50  > 200 µL/mL) but showed a concentration-dependent hepatoprotective effect against CCl4 -induced hepatotoxicity in vitro. Cell viability was increased, ALT and AST activity declined and reduced GSH concentration and SOD activity were restored as compared with silymarin...
July 24, 2017: Drug Development Research
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