Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences

Introduction: Opioid deprescription is the process of supervised tapering and safe withdrawal when a potentially inappropriate use is detected. This represents a challenge in chronic non-cancer pain (CNCP) patients who may respond differently to the procedure. Our aim was to analyze the potential im...

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Main Authors: Javier Muriel, Jordi Barrachina, Guillermo Del Barco, Cristian Carvajal, Mónica Escorial, César Margarit, Pura Ballester, Ana María Peiró
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-05-01
Series:Frontiers in Pharmacology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphar.2023.1200430/full
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author Javier Muriel
Jordi Barrachina
Jordi Barrachina
Guillermo Del Barco
Cristian Carvajal
Mónica Escorial
Mónica Escorial
César Margarit
César Margarit
Pura Ballester
Ana María Peiró
Ana María Peiró
Ana María Peiró
author_facet Javier Muriel
Jordi Barrachina
Jordi Barrachina
Guillermo Del Barco
Cristian Carvajal
Mónica Escorial
Mónica Escorial
César Margarit
César Margarit
Pura Ballester
Ana María Peiró
Ana María Peiró
Ana María Peiró
author_sort Javier Muriel
collection DOAJ
description Introduction: Opioid deprescription is the process of supervised tapering and safe withdrawal when a potentially inappropriate use is detected. This represents a challenge in chronic non-cancer pain (CNCP) patients who may respond differently to the procedure. Our aim was to analyze the potential impact of CYP2D6 phenotypes and sex on the clinical and safety outcomes during an opioid use disorder (OUD) tapering process.Methods: A prospective observational study was conducted on CNCP ambulatory OUD patients (cases, n = 138) who underwent a 6-month opioid dose reduction and discontinuation. Pain intensity, relief and quality of life (Visual analogue scale, VAS 0–100 mm), global activity (GAF, 0–100 scores), morphine equivalent daily dose (MEDD), analgesic drugs adverse events (AEs) and opioid withdrawal syndrome (OWS, 0–96 scores) were recorded at basal and final visits. Sex differences and CYP2D6 phenotypes (poor (PM), extensive (EM) and ultrarapid (UM) metabolizers based on CYP2D6*1, *2, *3, *4, *5, *6, *10, *17, *41, 2D6*5, 2D6 × N, 2D6*4 × 2 gene variants) were analyzed.Results: Although CYP2D6-UM consumed three-times less basal MEDD [40 (20–123) mg/day, p = 0.04], they showed the highest number of AEs [7 (6–11), p = 0.02] and opioid withdrawal symptoms (46 ± 10 scores, p = 0.01) after deprescription. This was inversely correlated with their quality of life (r = −0.604, p < 0.001). Sex-differences were evidenced with a tendency to a lower analgesic tolerability in females and lower quality of life in men.Discussion: These data support the potential benefits of CYP2D6-guided opioid deprescription, in patients with CNCP when OUD is detected. Further studies are required to understand a sex/gender interaction.
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spelling doaj.art-40e09b62fefa478bb5ccf8ccb32723072023-05-31T05:04:20ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122023-05-011410.3389/fphar.2023.12004301200430Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differencesJavier Muriel0Jordi Barrachina1Jordi Barrachina2Guillermo Del Barco3Cristian Carvajal4Mónica Escorial5Mónica Escorial6César Margarit7César Margarit8Pura Ballester9Ana María Peiró10Ana María Peiró11Ana María Peiró12Pharmacogenetic Unit, Clinical Pharmacology Unit, Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, SpainPharmacogenetic Unit, Clinical Pharmacology Unit, Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, SpainOccupational Observatory, University Miguel Hernández, Elche, SpainOccupational Observatory, University Miguel Hernández, Elche, SpainOccupational Observatory, University Miguel Hernández, Elche, SpainPharmacogenetic Unit, Clinical Pharmacology Unit, Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, SpainOccupational Observatory, University Miguel Hernández, Elche, SpainPharmacogenetic Unit, Clinical Pharmacology Unit, Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, SpainPain Unit, Department of Health of Alicante-General Hospital, Alicante, SpainPharmacogenetic Unit, Clinical Pharmacology Unit, Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, SpainPharmacogenetic Unit, Clinical Pharmacology Unit, Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, SpainPain Unit, Department of Health of Alicante-General Hospital, Alicante, SpainBioengineering Institute, Toxicology and Environmental Health, University Miguel Hernández, Elche, SpainIntroduction: Opioid deprescription is the process of supervised tapering and safe withdrawal when a potentially inappropriate use is detected. This represents a challenge in chronic non-cancer pain (CNCP) patients who may respond differently to the procedure. Our aim was to analyze the potential impact of CYP2D6 phenotypes and sex on the clinical and safety outcomes during an opioid use disorder (OUD) tapering process.Methods: A prospective observational study was conducted on CNCP ambulatory OUD patients (cases, n = 138) who underwent a 6-month opioid dose reduction and discontinuation. Pain intensity, relief and quality of life (Visual analogue scale, VAS 0–100 mm), global activity (GAF, 0–100 scores), morphine equivalent daily dose (MEDD), analgesic drugs adverse events (AEs) and opioid withdrawal syndrome (OWS, 0–96 scores) were recorded at basal and final visits. Sex differences and CYP2D6 phenotypes (poor (PM), extensive (EM) and ultrarapid (UM) metabolizers based on CYP2D6*1, *2, *3, *4, *5, *6, *10, *17, *41, 2D6*5, 2D6 × N, 2D6*4 × 2 gene variants) were analyzed.Results: Although CYP2D6-UM consumed three-times less basal MEDD [40 (20–123) mg/day, p = 0.04], they showed the highest number of AEs [7 (6–11), p = 0.02] and opioid withdrawal symptoms (46 ± 10 scores, p = 0.01) after deprescription. This was inversely correlated with their quality of life (r = −0.604, p < 0.001). Sex-differences were evidenced with a tendency to a lower analgesic tolerability in females and lower quality of life in men.Discussion: These data support the potential benefits of CYP2D6-guided opioid deprescription, in patients with CNCP when OUD is detected. Further studies are required to understand a sex/gender interaction.https://www.frontiersin.org/articles/10.3389/fphar.2023.1200430/fullCYP2D6sex-differencesopioid use disorderdeprescriptionchronic painpharmacogenetics
spellingShingle Javier Muriel
Jordi Barrachina
Jordi Barrachina
Guillermo Del Barco
Cristian Carvajal
Mónica Escorial
Mónica Escorial
César Margarit
César Margarit
Pura Ballester
Ana María Peiró
Ana María Peiró
Ana María Peiró
Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences
Frontiers in Pharmacology
CYP2D6
sex-differences
opioid use disorder
deprescription
chronic pain
pharmacogenetics
title Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences
title_full Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences
title_fullStr Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences
title_full_unstemmed Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences
title_short Impact of CYP2D6 genotype on opioid use disorder deprescription: an observational prospective study in chronic pain with sex-differences
title_sort impact of cyp2d6 genotype on opioid use disorder deprescription an observational prospective study in chronic pain with sex differences
topic CYP2D6
sex-differences
opioid use disorder
deprescription
chronic pain
pharmacogenetics
url https://www.frontiersin.org/articles/10.3389/fphar.2023.1200430/full
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