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González-Iglesias E, Ochoa D, Román M, Soria-Chacartegui P, Martín-Vilchez S, Navares-Gómez M, De Miguel A, Zubiaur P, Rodríguez-Lopez A, Abad-Santos F, Novalbos J. Genetic variation in UGT1A1 is not associated with altered liver biochemical parameters in healthy volunteers participating in bioequivalence trials. Front Pharmacol 2024; 15:1389968. [PMID: 38766628 PMCID: PMC11099905 DOI: 10.3389/fphar.2024.1389968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 03/15/2024] [Indexed: 05/22/2024] Open
Abstract
Introduction: Bioequivalence clinical trials are conducted in healthy volunteers whose blood tests should be within normal limits; individuals with Gilbert syndrome (GS) are excluded from these studies on suspicion of any liver disease, even if the change is clinically insignificant. GS is a benign genetic disorder characterized by elevated bilirubin levels, the primary cause of which is the presence of polymorphisms in UGT1A1 gene. In this work, subjects with UGT1A1 intermediate (IM) or poor (PM) metabolizer genotype-informed phenotypes were investigated to determine whether they have a higher incidence of liver disease or other biochemical parameters. Methods: The study population comprised 773 healthy volunteers who underwent biochemical analysis at baseline and at the end of the study which were genotyped for UGT1A1*80 (rs887829), as an indicator of UGT1A1*80+*28 (rs887829 and rs3064744), and UGT1A1*6 (rs4148323). Results: Bilirubin levels were higher in subjects IMs and PMs compared to normal metabolizers (NMs). Decreased uric acid levels was observed in PMs compared to NMs. No associations were observed in liver enzyme levels according to UGT1A1 phenotype. Discussion: Considering that there is no hepatic toxicity in subjects with UGT1A1 IM or PM phenotype, who are more likely to develop GS, this study suggests that they could be included in bioequivalence clinical trials as their biochemical parameters are not affected outside normal ranges.
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Affiliation(s)
- Eva González-Iglesias
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Dolores Ochoa
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Manuel Román
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Paula Soria-Chacartegui
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Samuel Martín-Vilchez
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Marcos Navares-Gómez
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Alejandro De Miguel
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Pablo Zubiaur
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Andrea Rodríguez-Lopez
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Francisco Abad-Santos
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Jesús Novalbos
- Clinical Pharmacology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria La Princesa (IIS-Princesa), Faculty of Medicine, Universidad Autónoma de Madrid (UAM), Madrid, Spain
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Ayuso P, Macías Y, Gómez-Tabales J, García-Martín E, Agúndez JAG. Molecular monitoring of patient response to painkiller drugs. Expert Rev Mol Diagn 2022; 22:545-558. [PMID: 35733288 DOI: 10.1080/14737159.2022.2093638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Non-steroidal anti-inflammatory drugs and opioids are widely prescribed for the treatment of mild to severe pain. Wide interindividual variability regarding the analgesic efficacy and adverse reactions to these drugs (ADRs) exist, although the mechanisms responsible for these ADRs are not well understood. AREAS COVERED We provide an overview of the clinical impact of variants in genes related to the pharmacokinetics and pharmacodynamics of painkillers, as well as those associated with the susceptibility to ADRs. Also, we discuss the current pharmacogenetic-guided treatment recommendations for the therapeutic use of non-steroidal anti-inflammatory drugs and opioids. EXPERT OPINION In the light of the data analyzed, common variants in genes involved in pharmacokinetics and pharmacodynamics processes may partially explain the lack of response to painkiller treatment and the occurrence of adverse drug reactions. The implementation of high-throughput sequencing technologies may help to unveil the role of rare variants as considerable contributors to explaining the interindividual variability in drug response. Furthermore, a consensus between the diverse pharmacogenetic guidelines is necessary to extend the implementation of pharmacogenetic-guided prescription in daily clinical practice. Additionally, the physiologically-based pharmacokinetics and pharmacodynamics modeling techniques may contribute to the improvement of these guidelines and facilitate clinicians drug dose adjustment.
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Affiliation(s)
- Pedro Ayuso
- University Institute of Molecular Pathology Biomarkers, UEx. ARADyAL, Instituto de Salud Carlos III, Cáceres, Spain
| | - Yolanda Macías
- University Institute of Molecular Pathology Biomarkers, UEx. ARADyAL, Instituto de Salud Carlos III, Cáceres, Spain
| | - Javier Gómez-Tabales
- University Institute of Molecular Pathology Biomarkers, UEx. ARADyAL, Instituto de Salud Carlos III, Cáceres, Spain
| | - Elena García-Martín
- University Institute of Molecular Pathology Biomarkers, UEx. ARADyAL, Instituto de Salud Carlos III, Cáceres, Spain
| | - José A G Agúndez
- University Institute of Molecular Pathology Biomarkers, UEx. ARADyAL, Instituto de Salud Carlos III, Cáceres, Spain
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