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Calogiuri GF, Al-Sowaidi S, Nettis E, Cortellini G, Macchia L, Vacca A, Kounis NG. A joint allergist/cardiologist classification for thienopyridines hypersensitivity reactions based on their symptomatic patterns and its impact on the management strategies. Int J Cardiol 2016; 222:509-514. [PMID: 27505343 DOI: 10.1016/j.ijcard.2016.07.115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 07/08/2016] [Indexed: 11/15/2022]
Abstract
The role and importance of thienopyridines such as ticlopidine, clopidogrel, and prasugrel is well-established for several indications, ranging from prevention of acute coronary syndromes to percutaneous coronary interventions, where the dual antiplatelet therapy represents the gold standard to avoid denovo coronary stenosis. However, there is a significant cohort of patients with coronary artery disease who may manifest hypersensitivity reactions to thienopyridines. The examination of the various case reports from medical literature leads to identify mainly four clinical patterns of hypersensitivity to thienopyridines which involves more frequently cutaneous, hematologic, and articular tissues, therefore the kind and predominance of clinical symptoms may determine a different clinical approach to overcome or neutralize thienopyridines hypersensitivity.
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Affiliation(s)
- G F Calogiuri
- Pneumology Department Civil Hospital "NinettoMelli"S. Pietro Vernotico, Brindisi, Italy; Section of Allergology and Clinical Immunology, Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari Medical School, Bari, Italy.
| | - S Al-Sowaidi
- Department of Internal Medicine, UAE University, Al-Ain, United Arab Emirates
| | - E Nettis
- Section of Allergology and Clinical Immunology, Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari Medical School, Bari, Italy
| | - G Cortellini
- Internal Medicine Allergy and Rheumatology Unit, Rimini Hospital, Rimini, Italy
| | - L Macchia
- Section of Allergology and Clinical Immunology, Department of Internal Medicine, Immunology and Infectious Diseases, University of Bari Medical School, Bari, Italy
| | - A Vacca
- Department of Biomedical Science and Human Oncology, Section of Internal Medicine and Clinical Oncology University of Bari Medical School, Bari, Italy
| | - N G Kounis
- Department of Cardiology, University of Patras Medical School, Patras, Achaia, Greece
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Kraslova I, Muchova L, Vitek L, Novotny A, Svestka T, Bruha R. Ticlopidine-Induced Cholestatic Inflammatory Hepatitis: New Insights into Pathogenetic Mechanisms of Drug-Related Hepatotoxicity. EUR J INFLAMM 2016. [DOI: 10.1177/1721727x0600400107] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
In immune-induced liver damage the reactive metabolites may covalently bind or alter liver proteins such as cytochrome P450 enzymes, which leads to activation of the immune system. Ticlopidine is an inhibitor of CYP2C19 human liver cytochrome. We attempted to analyse the role of cytochrome CYP2C19 genetic polymorphism in the development of ticlopidine-induced cholestatic hepatitis and relate it with the specific immune reactivity to ticlopidine, different cytokine profiles and induction of necrosis and apoptosis within the liver tissue. Three patients with cholestatic hepatitis with ticlopidine-related liver injury, 3 patients with obstructive jaundice due to choledocholithiasis, 3 patients treated with ticlopidine without liver damage and 10 healthy individuals were studied. Genotyping for the following genotypes CYP2C19 (CYP2C19*1–3) were tested after polymerase chain reaction (PCR) by restriction fragment length polymorphism (RFLP) with Sma I and BamH I enzymes. The T cell reactivity to ticlopidine was analysed by T cell proliferation assay in PBMC against ticlopidine, tetanus toxoid antigen and phytohemagglutinin on days 0, 90, 150 and 210 after therapy withdrawal. The serum levels of INF-γ, IL-2, IL-4, IL-10, TNF-α, sFas and sFasL were measured by ELISA at the same time points. Apoptosis was analysed by TUNEL assay. All patients with cholestatic hepatitis had “slow metabolizers” genotypes in contrast to other groups. The T cell reactivity to ticlopidine was present only in all the cholestatic hepatitis patients together with substantial decrease in levels of INF-γ, IL-2 and TNF-α during all of the follow-up period. Cholestatic hepatitis patients had high apoptotic index in TUNEL assay. The genetic polymorphism of the cytochrome CYP2C19 gene is directly responsible for the susceptibility to the ticlopidine-induced liver damage. Th1 type of immune reactivity plays the key role in the pathogenesis of drug-induced hepatotoxicity.
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Affiliation(s)
- I. Kraslova
- Institute of Biochemistry and Laboratory Diagnostics, I Medical Faculty, Charles University, U nemocnice 2, Prague
- IV Department of Internal Medicine, General University Hospital, U nemocnice 2, Prague, Czech Republic
| | - L. Muchova
- Institute of Biochemistry and Laboratory Diagnostics, I Medical Faculty, Charles University, U nemocnice 2, Prague
- IV Department of Internal Medicine, General University Hospital, U nemocnice 2, Prague, Czech Republic
| | - L. Vitek
- Institute of Biochemistry and Laboratory Diagnostics, I Medical Faculty, Charles University, U nemocnice 2, Prague
- IV Department of Internal Medicine, General University Hospital, U nemocnice 2, Prague, Czech Republic
| | - A. Novotny
- IV Department of Internal Medicine, General University Hospital, U nemocnice 2, Prague, Czech Republic
| | - T. Svestka
- IV Department of Internal Medicine, General University Hospital, U nemocnice 2, Prague, Czech Republic
| | - R. Bruha
- IV Department of Internal Medicine, General University Hospital, U nemocnice 2, Prague, Czech Republic
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Tolosa L, Gómez-Lechón MJ, Pérez-Cataldo G, Castell JV, Donato MT. HepG2 cells simultaneously expressing five P450 enzymes for the screening of hepatotoxicity: identification of bioactivable drugs and the potential mechanism of toxicity involved. Arch Toxicol 2013; 87:1115-27. [DOI: 10.1007/s00204-013-1012-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 01/17/2013] [Indexed: 11/30/2022]
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Un caso di epatite colestatica da ticlopidina: descrizione del caso e revisione della letteratura. ITALIAN JOURNAL OF MEDICINE 2012. [DOI: 10.1016/j.itjm.2011.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Walgren JL, Mitchell MD, Thompson DC. Role of Metabolism in Drug-Induced Idiosyncratic Hepatotoxicity. Crit Rev Toxicol 2008; 35:325-61. [PMID: 15989140 DOI: 10.1080/10408440590935620] [Citation(s) in RCA: 200] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Rare adverse reactions to drugs that are of unknown etiology, or idiosyncratic reactions, can produce severe medical complications or even death in patients. Current hypotheses suggest that metabolic activation of a drug to a reactive intermediate is a necessary, yet insufficient, step in the generation of an idiosyncratic reaction. We review evidence for this hypothesis with drugs that are associated with hepatotoxicity, one of the most common types of idiosyncratic reactions in humans. We identified 21 drugs that have either been withdrawn from the U.S. market due to hepatotoxicity or have a black box warning for hepatotoxicity. Evidence for the formation of reactive metabolites was found for 5 out of 6 drugs that were withdrawn, and 8 out of 15 drugs that have black box warnings. For the other drugs, either evidence was not available or suitable studies have not been carried out. We also review evidence for reactive intermediate formation from a number of additional drugs that have been associated with idiosyncratic hepatotoxicity but do not have black box warnings. Finally, we consider the potential role that high dosages may play in these adverse reactions.
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Affiliation(s)
- Jennie L Walgren
- Pfizer Global Research and Development, Worldwide Safety Sciences, Chesterfield, Missouri 63017, USA
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Abstract
Drugs may cause several overlapping syndromes of cholestasis, the pathophysiological syndrome resulting from impaired bile flow. These reactions comprise approximately 17% of all hepatic adverse drug reactions (ADRs) and they may be severe. Causes of 'pure' (bland) cholestasis include oestrogens and anabolic steroids; rarer associations are with antimicrobials and NSAIDs. 'Cholestatic hepatitis' is a common drug reaction in which liver injury and inflammation cause significant elevation of serum alanine aminotransferase (ALT) as well as cholestasis. Chlorpromazine and ketoconazole are classic examples, but it is now exemplified by amoxycillin-clavulanate and other oxy-penicillins. Chronic cholestasis results from small bile duct injury leading to the vanishing bile duct syndrome (VBDS), a disorder mimicking primary biliary cirrhosis, or from injury to larger bile ducts causing secondary sclerosing cholangitis. Whilst there is increasing evidence of a genetic predisposition to cholestatic drug reactions, there are currently no pretreatment tests to predict drug safety. Prevention of severe reactions therefore relies on early detection of liver injury and prompt drug withdrawal. Symptomatic management includes relief of pruritus and correction of fat-soluble vitamin deficiency. In small cohort studies, ursodeoxycholic acid (UDCA) arrested progressive cholestasis in two-thirds of cases, but evidence for use of corticosteroids is anecdotal. This review considers diagnosis, pathogenesis, prevention and management of drug-induced cholestasis, with particular reference to frequently- and newly-described causes.
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