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Alshaikheid M, Romdhane HB, Fredj NB, Fadhel NB, Aouam A, Chadli Z, Boughattas N, Chaabane A, Aouam K. Isoniazid Therapeutic Drug Monitoring in Tunisian Patients With Tuberculosis. J Clin Pharmacol 2021; 61:972-978. [PMID: 33400267 DOI: 10.1002/jcph.1813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 01/04/2021] [Indexed: 11/10/2022]
Abstract
A regular therapeutic drug monitoring (TDM) of isoniazid could be useful to predict the acetylation profile and to prescribe doses associated with optimal efficacy and safety. We aimed to assess the usefulness of isoniazid TDM in the Tunisian population, to describe the acetylation profile distribution in this population, and to investigate the influence of certain parameters on acetylation phenotype. We performed a retrospective study including Tunisian patients with tuberculosis underwent an isoniazid TDM. Isoniazid concentrations were measured 3 hours after drug intake (C3 ). Subsequent isoniazid doses were adjusted to maintain the C3 within the recommended target (1-2 µg/mL). Patients were qualified as slow acetylators (SAs) or rapid acetylators (RAs) according to their acetylation index. Among the 255 patients, 58% were SAs and 42% were RAs. Of all patients, only 30.6% had a C3 value within the target range. A dose adjustment has been performed for patients with C3 outside the target range. C3 was controlled in 77 patients. It became within the target range in 39 patients (50.6%). The median recommended isoniazid weight doses for SAs and RAs were 2.1 ± 0.7 mg/kg and 4.2 ± 1.4 mg/kg, respectively. The multivariate analysis showed that body weight, C3, and C3 /isoniazid dose were found to be significantly different between the 2 acetylation groups. In the pediatric group, only 9 had a C3 value within the target range, and all of them were RAs. The irrevocable interest of isoniazid TDM has been shown in Tunisian patients with tuberculosis, in both adult and pediatric patients, as isoniazid demonstrates an unpredictable pharmacokinetic profile.
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Affiliation(s)
| | - Haifa Ben Romdhane
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Nadia Ben Fredj
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Najah Ben Fadhel
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Abir Aouam
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Zohra Chadli
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Naceur Boughattas
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Amel Chaabane
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
| | - Karim Aouam
- Laboratory of Pharmacology, Faculty of Medicine of Monastir, Monastir, Tunisia
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Ali MH, Alrasheedy AA, Kibuule D, Hassali MA, Godman B, Abdelwahab MF, Abbadi RY. Isoniazid acetylation phenotypes in the Sudanese population; findings and implications. J Clin Tuberc Other Mycobact Dis 2019; 17:100120. [PMID: 31788562 PMCID: PMC6879993 DOI: 10.1016/j.jctube.2019.100120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background Isoniazid (INH) is the mainstay antimicrobial in the treatment of tuberculosis (TB). It is acetlylated in the liver to acetyl-INH. However, there is variation in rate of acetylation of INH among TB patients (i.e. fast, intermediate or slow acetylators) which impacts on the treatment outcomes. Aim The isoniazid acetylation phenotypes in the expatriate Sudanese population were determined to provide future guidance since TB is prevalent in Sudan. Methods A community-based trial among Sudanese expatriates in Saudi Arabia was undertaken to identify INH-acetylation phenotypes. After overnight fasting, a single dose of 200 mg of INH was given to the volunteers. Three hours later, 5 ml of blood were drawn from each volunteer and prepared for High-Performance Liquid Chromatography (HPLC) analysis. The main outcomes were INH and Acetyl-INH concentrations in plasma and the subsequent Acetyl-INH/INH metabolic ratio (MR). Results The findings suggest that slow acetylation is highly prevalent among the study participants (n = 43; 84.31%). Moreover, there was no statistically significant correlation between age and the MR (r = −0.18, P = 0.20). Further, there was no significant association between gender and the MR (P = 0.124). Similarly, no significant association was found between smoking habits and MR (P = 0.24). Conclusion Isoniazid phenotyping suggests predominantly slow acetylation among the Sudanese in this sample. The study found no statistically significant associations between the MR and age or gender or smoking.
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Affiliation(s)
- Monadil H Ali
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia (USM), Penang, Malaysia.,Faculty of Pharmacy, Northern Border University, Saudi Arabia
| | | | - Dan Kibuule
- School of Pharmacy, Faculty of Health Sciences, University of Namibia, Windhoek, Namibia
| | - Mohamed Azmi Hassali
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia (USM), Penang, Malaysia
| | - Brian Godman
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia (USM), Penang, Malaysia.,Department of Laboratory Medicine, Division of Clinical Pharmacology, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden.,Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | | | - Raef Y Abbadi
- Faculty of Pharmacy, Northern Border University, Saudi Arabia
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Toure A, Cabral M, Niang A, Diop C, Garat A, Humbert L, Fall M, Diouf A, Broly F, Lhermitte M, Allorge D. Prevention of isoniazid toxicity by NAT2 genotyping in Senegalese tuberculosis patients. Toxicol Rep 2016; 3:826-831. [PMID: 28959610 PMCID: PMC5616082 DOI: 10.1016/j.toxrep.2016.10.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 10/14/2016] [Accepted: 10/14/2016] [Indexed: 11/24/2022] Open
Abstract
Isoniazid (INH), recommended by WHO (World Health Organization) in the treatment of tuberculosis (TB), is metabolized primarily by the genetically polymorphic N-acetyltransferase 2 (NAT2) enzyme. The human population is divided into three different phenotypic groups according to acetylation rate: slow, intermediate, and fast acetylators. The objective of this study was to explore the relationship between NAT2 genotypes and the serum concentrations of INH. Blood samples from 96 patients with TB were taken for the analysis. NAT2 polymorphisms on coding region were examined by polymerase chain reaction (PCR) direct sequencing; the acetylation status was obtained by measuring isoniazid (INH) and its metabolite, acetylisoniazid (AcINH) in plasma was obtained by using the liquid chromatography coupled to mass spectrometry. TB patients were distributed into two groups of fast and slow acetylators according to the acetylation index calculated based on the plasma concentration of INH in the 3rd hour (T3) after an oral dose. Our PCR analysis identified several alleles, where NAT2*4, NAT2*5A, NAT2*6A, and NAT2*13A were the most important. The concentrations of INH varied between 1.10 mg/L and 13.10 mg/L at the 3rd hour and between 0.1 and 9.5 mg/L at the 6th hour. The use of the acetylating index I3 allowed the classification of tested patients into two phenotypic groups: slow acetylators (44.3% of TB patients), and rapid acetylators (55.7%). Patient’s acetylation profile provides valuable information on their therapeutic, pharmacological, and toxicological responses.
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Affiliation(s)
- A Toure
- Laboratoire de Toxicologie et Hydrologie, Faculté de Médecine, Pharmacie et d'Odontologie UCAD, Dakar, Senegal.,EA 4483, Faculté de Médecine H. Warembourg, Pôle Recherche, Lille, France
| | - M Cabral
- Laboratoire de Toxicologie et Hydrologie, Faculté de Médecine, Pharmacie et d'Odontologie UCAD, Dakar, Senegal
| | - A Niang
- Service de Pneumophtisiologie, Centre Hospitalier National de Fann, Dakar, Senegal
| | - C Diop
- Laboratoire de Toxicologie et Hydrologie, Faculté de Médecine, Pharmacie et d'Odontologie UCAD, Dakar, Senegal
| | - A Garat
- Laboratoire de Toxicologie, Centre de Biologie Pathologie, Centre Hospitalier Régional et Universitaire, Lille, France.,EA 4483, Faculté de Médecine H. Warembourg, Pôle Recherche, Lille, France
| | - L Humbert
- Laboratoire de Toxicologie, Centre de Biologie Pathologie, Centre Hospitalier Régional et Universitaire, Lille, France
| | - M Fall
- Laboratoire de Toxicologie et Hydrologie, Faculté de Médecine, Pharmacie et d'Odontologie UCAD, Dakar, Senegal
| | - A Diouf
- Laboratoire de Toxicologie et Hydrologie, Faculté de Médecine, Pharmacie et d'Odontologie UCAD, Dakar, Senegal
| | - F Broly
- Laboratoire de Toxicologie, Centre de Biologie Pathologie, Centre Hospitalier Régional et Universitaire, Lille, France.,EA 4483, Faculté de Médecine H. Warembourg, Pôle Recherche, Lille, France
| | - M Lhermitte
- Laboratoire de Toxicologie, Centre de Biologie Pathologie, Centre Hospitalier Régional et Universitaire, Lille, France.,EA 4483, Faculté de Médecine H. Warembourg, Pôle Recherche, Lille, France
| | - D Allorge
- Laboratoire de Toxicologie, Centre de Biologie Pathologie, Centre Hospitalier Régional et Universitaire, Lille, France.,EA 4483, Faculté de Médecine H. Warembourg, Pôle Recherche, Lille, France
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Stettner M, Steinberger D, Hartmann CJ, Pabst T, Konta L, Hartung HP, Kieseier BC. Isoniazid-induced polyneuropathy in a tuberculosis patient - implication for individual risk stratification with genotyping? Brain Behav 2015; 5:e00326. [PMID: 26355945 PMCID: PMC4559012 DOI: 10.1002/brb3.326] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Revised: 01/08/2015] [Accepted: 01/15/2015] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Development of polyneuropathy (PNP) under treatment for tuberculosis (TB), including isoniazid (INH), is a highly relevant adverse drug effect. The NAT2 acetylation status is a predictor of potential toxic effects of INH. The question as to whether individual risk stratification by genotyping is useful to avoid suffering of patients and to lower costs for the health care system is of considerable clinical importance. CASE PRESENTATION After drug treatment for TB, including INH, a 23-year-old man developed severe PNP. During the treatment, laboratory results have been indicating incipient liver and renal injury. Later, molecular genetic analyses were performed and revealed a variation in the NAT2 gene and the c1/c2 genotype of the CYP2E1 gene, both described to contribute to an elevated risk for anti-tuberculostatic-induced liver damages (ATIL). CONCLUSION The combination of metabolizer genotypes should be taken into account as a cause for toxic effects and the development of PNP. Individual genotyping, performed before medication or at least if an elevation of liver parameters is observed, may reduce the risk of severe cases of PNP by early adjustment of treatment. Our case study indicates that evaluation of individual risk stratification with systematic pharmacogenetic genotyping of metabolizer gene combinations in the context of TB treatment should be addressed in clinical studies with larger cohorts.
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Affiliation(s)
- Mark Stettner
- Department of Neurology, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Daniela Steinberger
- bio.logis Center for Human Genetics, Frankfurter Innovationszentrum Biotechnologie (FIZ) Frankfurt am Main, Germany ; Institute of Human Genetics, Justus-Liebig-University Giessen, Germany
| | - Christian J Hartmann
- Department of Neurology, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Tatjana Pabst
- bio.logis Center for Human Genetics, Frankfurter Innovationszentrum Biotechnologie (FIZ) Frankfurt am Main, Germany
| | - Lidija Konta
- bio.logis Center for Human Genetics, Frankfurter Innovationszentrum Biotechnologie (FIZ) Frankfurt am Main, Germany
| | - Hans Peter Hartung
- Department of Neurology, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Bernd C Kieseier
- Department of Neurology, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
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Advances pertaining to the pharmacology and interactions of irreversible nonselective monoamine oxidase inhibitors. J Clin Psychopharmacol 2011; 31:66-74. [PMID: 21192146 DOI: 10.1097/jcp.0b013e31820469ea] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Recent advances clarifying the pharmacology and interactions of irreversible nonselective monoamine oxidase inhibitors that have not been considered in depth lately are discussed. These new data elucidate aspects of enzyme inhibition and pharmacokinetic interactions involving amine oxidases, cytochrome P450 enzymes, aminotransferases (transaminases), and decarboxylases (carboxy-lyases) and the effects of tyramine. Phenelzine and tranylcypromine remain widely available, and many publications have data relevant to this review. Their effect on CYP 450 enzymes is less than many newer drugs. Tranylcypromine only inhibits CYP 450 2A6 (selectively and potently). Phenelzine has no reported interactions, but, like isoniazid, weakly and irreversibly inhibits CYP 450 2C19 and 3A4 in vitro. It might possibly be implicated in interactions (as isoniazid is). Phenelzine has some clinically relevant inhibitory effects on amine oxidases, aminotransferases, and decarboxylases, and it lowers pyridoxal phosphate levels. It commonly causes pyridoxal deficiency, weight gain, sedation, and sexual dysfunction, but only rarely causes hepatic damage and failure, or neurotoxicity. The adverse effects and difficulties with monoamine oxidase inhibitors are less than previously believed or estimated, including a lower risk of hypertension, because the tyramine content in foods is now lower. Potent norepinephrine reuptake inhibitors have a strong protective effect against tyramine-induced hypertension. The newly discovered trace amine-associated receptors probably mediate the pressor response. The therapeutic potential of tranylcypromine and L-dopa in depression and Parkinson disease is worthy of reassessment. Monoamine oxidase inhibitors are not used to an extent proportionate with their benefits; medical texts and doctors' knowledge require a major update to reflect the evidence of recent advances.
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Mahjub R, Khalili H, Amini M. Development and Validation of a Novel Gradient LC Method for Simultaneous Determination of Isoniazid and Acetylisoniazid in Human Plasma. Chromatographia 2010. [DOI: 10.1365/s10337-010-1471-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Khalili H, Dashti-Khavidaki S, Amini M, Mahjub R, Hajiabdolbaghi M. Is there any difference between acetylator phenotypes in tuberculosis patients and healthy subjects? Eur J Clin Pharmacol 2009; 66:261-7. [DOI: 10.1007/s00228-009-0745-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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