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Open AccessJournal ArticleDOI

Antituberculosis drug-induced hepatotoxicity: concise up-to-date review.

TLDR
The incidence, pathology and clinical features of antituberculosis drug‐induced hepatotoxicity, the metabolism and mechanisms of toxicity of isoniazid, rifampicin and pyrazinamide, and risk factors and management are reviewed.
Abstract
The cornerstone of tuberculosis management is a 6-month course of isoniazid, rifampicin, pyrazinamide and ethambutol. Compliance is crucial for curing tuberculosis. Adverse effects often negatively affect the compliance, because they frequently require a change of treatment, which may have negative consequences for treatment outcome. In this paper we review the incidence, pathology and clinical features of antituberculosis drug-induced hepatotoxicity, discuss the metabolism and mechanisms of toxicity of isoniazid, rifampicin and pyrazinamide, and describe risk factors and management of antituberculosis drug-induced hepatotoxicity. The reported incidence of antituberculosis drug-induced hepatotoxicity, the most serious and potentially fatal adverse reaction, varies between 2% and 28%. Risk factors are advanced age, female sex, slow acetylator status, malnutrition, HIV and pre-existent liver disease. Still, it is difficult to predict what patient will develop hepatotoxicity during tuberculosis treatment. The exact mechanism of antituberculosis drug-induced hepatotoxicity is unknown, but toxic metabolites are suggested to play a crucial role in the development, at least in the case of isoniazid. Priorities for future studies include basic studies to elucidate the mechanism of antituberculosis drug-induced hepatotoxicity, genetic risk factor studies and the development of shorter and safer tuberculosis drug regimens.

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Book ChapterDOI

Drug-induced liver injury.

TL;DR: It is hoped that this chapter will shed light on the major problems associated with DILI in regards to the pharmaceutical industry, drug regulatory agencies, physicians and pharmacists, and patients.
Journal ArticleDOI

EASL Clinical Practice Guidelines: Drug-induced liver injury

TL;DR: These Clinical Practice Guidelines summarize the available evidence on risk factors, diagnosis, management and risk minimization strategies for drug-induced liver jury.
Reference EntryDOI

Biotransformation of Xenobiotics

TL;DR: The metabolic fate of a xenobiotic can have an important bearing on its toxic potential, the disposition of the compound in the body and the excretion of the compounds.
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British Infection Society guidelines for the diagnosis and treatment of tuberculosis of the central nervous system in adults and children.

TL;DR: A practical but evidence-based approach to the diagnosis and treatment of central nervous system tuberculosis in children and adults is described and guidance on tuberculous meningitis (TBM), intra-cerebral tuberculoma withoutMeningitis, and tuberculosis affecting the spinal cord is presented.
References
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Journal ArticleDOI

Oxidative stress: from basic research to clinical application.

TL;DR: Current evidence in clinical research does not show unequivocal distinction between causal or associative relationships of pro-oxidants to the disease process.
Journal ArticleDOI

Criteria of drug-induced liver disorders. Report of an international consensus meeting.

TL;DR: An international meeting was organized to test the feasibility of adapting for international use the outcome of the French consensus meetings on drug-induced liver disorders, and resulted in a series of proposed standard designations of drug- induced liver disorders and criteria of causality assessment.
Journal ArticleDOI

Drug metabolism and variability among patients in drug response

TL;DR: This article focuses on the cytochrome P-450 enzymes, a superfamily of microsomal drug-metabolizing enzymes that play an important role in oxidative drug metabolism.
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