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Casajús A, Zubiaur P, Alday E, Soria‐Chacartegui P, Saiz‐Rodríguez M, Gutierrez L, Aragonés C, Campodónico D, Gómez‐Fernández A, Navares‐Gómez M, Villapalos‐García G, Mejía‐Abril G, Ochoa D, Abad‐Santos F. Impact of CYP2D6 and CYP2B6 phenotypes on the response to tramadol in patients with acute post-surgical pain. Clin Transl Sci 2024; 17:e13698. [PMID: 38140786 PMCID: PMC10787143 DOI: 10.1111/cts.13698] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 11/17/2023] [Accepted: 11/25/2023] [Indexed: 12/24/2023] Open
Abstract
Tramadol is an important minor opioid prescribed for pain management. In this study, we analyzed the well-known impact of CYP2D6 genetic variation and 60 additional variants in eight candidate genes (i.e., ABCG2, SLCO1B1, CYP2D6, CYP2B6, CYP2C19, CYP2C9, CYP3A5, and CYP3A4) on tramadol efficacy and safety. Some 108 patients with pain after surgery admitted to a post-anesthesia care unit (PACU) and prescribed tramadol were recruited. They were genotyped, and tramadol M1/M2 metabolite concentrations were determined by a newly validated HPLC-MS/MS method. CYP2D6 intermediate (IM) and poor (PM) metabolizers showed lower M1 concentrations adjusted for dose/weight at 30 and 120 min compared to ultrarapid (UM) and normal (NM) metabolizers (univariate p < 0.001 and 0.020, multivariate p < 0.001 and 0.001, unstandardized β coefficients = 0.386 and 0.346, R2 = 0.146 and 0.120, respectively). CYP2B6 PMs (n = 10) were significantly related to a higher reduction in pain 30 min after tramadol intake (univariate p = 0.038, multivariate p = 0.016, unstandardized β coefficient = 0.224, R2 = 0.178), to lower PACU admission time (p = 0.007), and to lower incidence of adverse drug reactions (p = 0.038) compared to the other phenotypes. CYP3A4 IMs and PMs showed a higher prevalence of drowsiness and dizziness (p = 0.028 and 0.005, respectively). Our results suggest that the interaction of CYP2B6 and CYP2D6 phenotypes may be clinically relevant, pending validation of these results in large, independent cohorts. Additional research is required to clarify the impact of CYP3A4 genetic variation on tramadol response.
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Affiliation(s)
- Ana Casajús
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Pablo Zubiaur
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Enrique Alday
- Anesthesia and Surgical Critical Care DepartmentHospital Universitario de la PrincesaMadridSpain
| | - Paula Soria‐Chacartegui
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Miriam Saiz‐Rodríguez
- Research Unit, Fundación Burgos por la Investigación de la Salud (FBIS)Hospital Universitario de BurgosBurgosSpain
- Department of Health SciencesUniversity of BurgosBurgosSpain
| | - Lara Gutierrez
- Anesthesia and Surgical Critical Care DepartmentHospital Universitario de MóstolesMadridSpain
| | - Catalina Aragonés
- Anesthesia and Surgical Critical Care DepartmentHospital Universitario de la PrincesaMadridSpain
| | - Diana Campodónico
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Antía Gómez‐Fernández
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Marcos Navares‐Gómez
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Gonzalo Villapalos‐García
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Gina Mejía‐Abril
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Dolores Ochoa
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
| | - Francisco Abad‐Santos
- Clinical Pharmacology DepartmentHospital Universitario de La Princesa, Faculty of Medicine, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria La Princesa (IP)MadridSpain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd)Instituto de Salud Carlos IIIMadridSpain
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