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Ni L, Cao Z, Jiang J, Zhang W, Hu W, Zhang Q, Shen C, Chen X, Zheng L. Evaluating Drug Interactions between Ritonavir and Opioid Analgesics: Implications from Physiologically Based Pharmacokinetic Simulation. Pharmaceuticals (Basel) 2024; 17:640. [PMID: 38794210 PMCID: PMC11124264 DOI: 10.3390/ph17050640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/05/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Several commonly used opioid analgesics, such as fentanyl, sufentanil, alfentanil, and hydrocodone, are by report primarily metabolized by the CYP3A4 enzyme. The concurrent use of ritonavir, a potent CYP3A4 inhibitor, can lead to significant drug interactions. Using physiologically based pharmacokinetic (PBPK) modeling and simulation, this study examines the effects of different dosing regimens of ritonavir on the pharmacokinetics of these opioids. The findings reveal that co-administration of ritonavir significantly increases the exposure of fentanyl analogs, with over a 10-fold increase in the exposure of alfentanil and sufentanil when given with ritonavir. Conversely, the effect of ritonavir on fentanyl exposure is modest, likely due to additional metabolism pathways. Additionally, the study demonstrates that the steady-state exposure of hydrocodone and its active metabolite hydromorphone can be increased by up to 87% and 95%, respectively, with concurrent use of ritonavir. The extended-release formulation of hydrocodone is particularly affected. These insights from PBPK modeling provide valuable guidance for optimizing opioid dosing and minimizing the risk of toxicity when used in combination with ritonavir-containing prescriptions.
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Affiliation(s)
- Liang Ni
- Clinical Pharmacokinetics Laboratory, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
| | - Zhihai Cao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
- School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Jiakang Jiang
- Department of Pharmacy and Biomedical Engineering, Clinical College of Anhui Medical University, Hefei 230031, China;
| | - Wei Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
| | - Qian Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
| | - Chaozhuang Shen
- Department of Clinical Pharmacy and Pharmacy Administration, West China School of Pharmacy, Sichuan University, Chengdu 610041, China;
| | - Xijing Chen
- Clinical Pharmacokinetics Laboratory, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
| | - Liang Zheng
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
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Zheng L, Zhang W, Olkkola KT, Dallmann A, Ni L, Zhao Y, Wang L, Zhang Q, Hu W. Physiologically based pharmacokinetic modeling of ritonavir-oxycodone drug interactions and its implication for dosing strategy. Eur J Pharm Sci 2024; 194:106697. [PMID: 38199444 DOI: 10.1016/j.ejps.2024.106697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 11/13/2023] [Accepted: 01/07/2024] [Indexed: 01/12/2024]
Abstract
The concomitant administration of ritonavir and oxycodone may significantly increase the plasma concentrations of oxycodone. This study was aimed to simulate DDI between ritonavir and oxycodone, a widely used opioid, and to formulate dosing protocols for oxycodone by using physiologically based pharmacokinetic (PBPK) modeling. We developed a ritonavir PBPK model incorporating induction and competitive and time-dependent inhibition of CYP3A4 and competitive inhibition of CYP2D6. The ritonavir model was evaluated with observed clinical pharmacokinetic data and validated for its CYP3A4 inhibition potency. We then used the model to simulate drug interactions between oxycodone and ritonavir under various dosing scenarios. The developed model captured the pharmacokinetic characteristics of ritonavir from clinical studies. The model also accurately predicts exposure changes of midazolam, triazolam, and oxycodone in the presence of ritonavir. According to model simulations, the steady-state maximum, minimum and average concentrations of oxycodone increased by up to 166% after co-administration with ritonavir, and the total exposure increased by approximately 120%. To achieve similar steady-state concentrations, halving the dose with an unchanged dosing interval or doubling the dosing interval with an unaltered single dose should be practical for oxycodone, whether formulated in uncoated or controlled-release tablets during long-term co-medication with ritonavir. The results revealed exposure-related risks of oxycodone-ritonavir interactions that have not been studied clinically and emphasized PBPK as a workable method to direct judicious dosage.
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Affiliation(s)
- Liang Zheng
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
| | - Wei Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Klaus T Olkkola
- Department of Anaesthesiology and Intensive Care Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
| | - André Dallmann
- Pharmacometrics/Modeling and Simulation, Research and Development, Pharmaceuticals, Bayer AG, Leverkusen, Germany.
| | - Liang Ni
- Clinical Pharmacokinetics Laboratory, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yingjie Zhao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ling Wang
- Department of Clinical Pharmacy and Pharmacy Administration, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Qian Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
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Admane S, Clark M, Reddy A, Narayanan S, Bruera E. Safely Prescribing Opioids With Nirmatrelvir/Ritonavir - Case Report and Management Recommendations. J Pain Symptom Manage 2024; 67:e99-e104. [PMID: 37797677 DOI: 10.1016/j.jpainsymman.2023.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/07/2023]
Affiliation(s)
- Sonal Admane
- Division of Palliative, Integrative, and Rehabilitation Medicine - University of Texas MD Anderson Cancer Center, Houston Texas, USA.
| | - Matthew Clark
- Division of Palliative, Integrative, and Rehabilitation Medicine - University of Texas MD Anderson Cancer Center, Houston Texas, USA
| | - Akhila Reddy
- Division of Palliative, Integrative, and Rehabilitation Medicine - University of Texas MD Anderson Cancer Center, Houston Texas, USA
| | - Santhosshi Narayanan
- Division of Palliative, Integrative, and Rehabilitation Medicine - University of Texas MD Anderson Cancer Center, Houston Texas, USA
| | - Eduardo Bruera
- Division of Palliative, Integrative, and Rehabilitation Medicine - University of Texas MD Anderson Cancer Center, Houston Texas, USA
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Coates S, Lazarus P. Hydrocodone, Oxycodone, and Morphine Metabolism and Drug-Drug Interactions. J Pharmacol Exp Ther 2023; 387:150-169. [PMID: 37679047 PMCID: PMC10586512 DOI: 10.1124/jpet.123.001651] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 09/09/2023] Open
Abstract
Awareness of drug interactions involving opioids is critical for patient treatment as they are common therapeutics used in numerous care settings, including both chronic and disease-related pain. Not only do opioids have narrow therapeutic indexes and are extensively used, but they have the potential to cause severe toxicity. Opioids are the classical pain treatment for patients who suffer from moderate to severe pain. More importantly, opioids are often prescribed in combination with multiple other drugs, especially in patient populations who typically are prescribed a large drug regimen. This review focuses on the current knowledge of common opioid drug-drug interactions (DDIs), focusing specifically on hydrocodone, oxycodone, and morphine DDIs. The DDIs covered in this review include pharmacokinetic DDI arising from enzyme inhibition or induction, primarily due to inhibition of cytochrome p450 enzymes (CYPs). However, opioids such as morphine are metabolized by uridine-5'-diphosphoglucuronosyltransferases (UGTs), principally UGT2B7, and glucuronidation is another important pathway for opioid-drug interactions. This review also covers several pharmacodynamic DDI studies as well as the basics of CYP and UGT metabolism, including detailed opioid metabolism and the potential involvement of metabolizing enzyme gene variation in DDI. Based upon the current literature, further studies are needed to fully investigate and describe the DDI potential with opioids in pain and related disease settings to improve clinical outcomes for patients. SIGNIFICANCE STATEMENT: A review of the literature focusing on drug-drug interactions involving opioids is important because they can be toxic and potentially lethal, occurring through pharmacodynamic interactions as well as pharmacokinetic interactions occurring through inhibition or induction of drug metabolism.
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Affiliation(s)
- Shelby Coates
- Department of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington
| | - Philip Lazarus
- Department of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington
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5
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Decaix T, Gautier S, Royer L, Laprévote O, Tritz T, Siguret V, Teillet L, Sellier C, Pépin M. Importance of cytochrome 3A4 and 2D6-mediated drug-drug interactions in oxycodone consumption among older adults hospitalized for hip fracture: a cross-sectional study. Aging Clin Exp Res 2023; 35:2471-2481. [PMID: 37861957 DOI: 10.1007/s40520-023-02569-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/18/2023] [Indexed: 10/21/2023]
Abstract
Hip fracture is a common injury and represents a major health problem with an increasing incidence. In older adults, opioids such as oxycodone are often preferred to other analgesics such as tramadol because of a lower risk of delirium. Different parameters, such as inhibition of cytochrome P450 (CYP450) 2D6 and/or 3A4, can potentially lead to pharmacokinetic variations of oxycodone representing a risk of adverse drugs effects or lack of drug response. There is a risk of drug-drug interactions involving CYP450 in older adults due to the high prevalence of polypharmacy. This study sought to identify patient characteristics that influence oxycodone administration. A single-center observational study included 355 patients with a hip fracture hospitalized in a geriatric postoperative unit. Composite endpoint based on form, duration, and timing to intake separated patients into three groups: "no oxycodone", "low oxycodone ", and "high oxycodone ". CYP450 interactions were studied based on a composite variable defining the most involved CYP450 pathways between CYP2D6 and CYP3A4. CYP450 interactions with CYP2D6 pathway involved were associated with the risk of "high oxycodone" [odds ratio adjusted on age and the type of hip fracture (OR*) 4.52, 95% confidence interval (CI) 1.39-16.83, p = 0.02)], as well as serum albumin levels (OR* 1.09, 95% CI 1.02-1.17, p = 0.01). Cognitive impairment was negatively associated with the risk of "high oxycodone" (OR* 0.38, 95% CI 0.18-0.77, p = 0.02). This study showed an association between CYP2D6 interactions and higher oxycodone consumption indirectly reflecting the existence of uncontrolled postoperative pain.
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Affiliation(s)
- Théodore Decaix
- Department of Geriatrics, APHP, GHU Paris-Saclay University, Ambroise Paré Hospital, Boulogne-Billancourt, France.
- CNRS, CiTCoM, Paris-Cité University, 75006, Paris, France.
| | - Sylvain Gautier
- Epidemiology and Public Health Department, AP-HP, GHU Paris-Saclay University, Raymond Poincaré Hospital, Garches, France
- Primary Care and Prevention Team, UVSQ, Inserm U1018, CESP, Paris-Saclay University, Villejuif, France
| | - Luca Royer
- Department of Geriatrics, APHP, GHU Paris-Saclay University, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Olivier Laprévote
- CNRS, CiTCoM, Paris-Cité University, 75006, Paris, France
- Department of Biochemistry, APHP, GHU Paris-Cité University, European Georges Pompidou Hospital, Paris, France
| | - Thomas Tritz
- Department of Pharmacy, APHP, GHU Paris-Saclay University, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Virginie Siguret
- Hematology Laboratory, APHP, Hospital Group Lariboisière-Fernand Widal, Paris-Cité University, Paris, France
- Therapeutic Innovations in Hemostasis, Inserm UMR-S 1140, Paris-Cité University, Paris, France
| | - Laurent Teillet
- Department of Geriatrics, APHP, GHU Paris-Saclay University, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Cyril Sellier
- Department of Geriatrics, APHP, GHU Paris-Saclay University, Ambroise Paré Hospital, Boulogne-Billancourt, France
| | - Marion Pépin
- Department of Geriatrics, APHP, GHU Paris-Saclay University, Ambroise Paré Hospital, Boulogne-Billancourt, France
- Clinical Epidemiology, UVSQ, Inserm U1018, CESP, Paris-Saclay University, Villejuif, France
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6
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El-Tallawy SN, Perglozzi JV, Ahmed RS, Kaki AM, Nagiub MS, LeQuang JK, Hadarah MM. Pain Management in the Post-COVID Era-An Update: A Narrative Review. Pain Ther 2023; 12:423-448. [PMID: 36853484 PMCID: PMC9971680 DOI: 10.1007/s40122-023-00486-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 02/06/2023] [Indexed: 03/01/2023] Open
Abstract
An extensive computer search (from January 2020 to January 2023) was conducted including literature from the PubMed, Scopus, MEDLINE, Web of Science, and EMBASE databases. According to preset criteria, a total of 58 articles were included in this review article. Generally, any patient who becomes infected with COVID-19 can develop post-COVID-19 conditions. The course of COVID-19 is divided into three main stages: acute COVID-19 (up to 4 weeks), post-acute COVID-19 (from 4 to 12 weeks), and post-COVID (from 12 weeks to 6 months). If a more protracted course of COVID (over 6 months) is demonstrated, the term "long-COVID" is used. Although the acute stage of COVID-19 infection most commonly manifests with acute respiratory symptoms, one very common symptom of the disease is pain, while the most common symptoms of post-COVID syndrome are shortness of breath, dry cough, fatigue, loss of olfactory and gustatory function, tightness and chest pain, sleep and mood disturbances, body aches, muscle and joint pain, sore throat, fever, and persistent headaches. All observations demonstrated a high incidence of chronic pain syndromes of various localization in the post- and long-COVID period. Post-COVID chronic pain might include a newly developed chronic pain as a part of post-viral syndrome; worsening of preexisting chronic pain due to the associated changes in the medical services, or a de novo chronic pain in healthy individuals who are not infected with COVID. Chronic pain during and post-COVID-19 pandemic is an important health issue due to the significant impacts of pain on the patients, health care systems, and society as well. Therefore, it is important that patients with chronic pain receive effective treatment according to their specific needs. Accordingly, the main goal of this review article is to provide a broad description about the post-COVID pain and to explore the impact of long COVID-19 on chronic pain patients, and also to give brief reports about the prevalence, risk factors, possible mechanisms, different presentations, and the management tools through a systematic approach.
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Affiliation(s)
- Salah N. El-Tallawy
- Anesthesia and Pain Department, College of Medicine, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia
- Anesthesia Department, Faculty of Medicine, Minia University and NCI, Cairo University, Giza, Egypt
| | | | - Rania S. Ahmed
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Abdullah M. Kaki
- Anesthesiology and Pain Medicine, International Medical Center, Jeddah, Saudi Arabia
| | | | | | - Mamdouh M. Hadarah
- Anesthesia and Pain Management, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
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Marzolini C, Kuritzkes DR, Marra F, Boyle A, Gibbons S, Flexner C, Pozniak A, Boffito M, Waters L, Burger D, Back DJ, Khoo S. Recommendations for the Management of Drug-Drug Interactions Between the COVID-19 Antiviral Nirmatrelvir/Ritonavir (Paxlovid) and Comedications. Clin Pharmacol Ther 2022; 112:1191-1200. [PMID: 35567754 PMCID: PMC9348462 DOI: 10.1002/cpt.2646] [Citation(s) in RCA: 108] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The coronavirus disease 2019 (COVID-19) antiviral nirmatrelvir/ritonavir (Paxlovid) has been granted authorization or approval in several countries for the treatment of patients with mild to moderate COVID-19 at high risk of progression to severe disease and with no requirement for supplemental oxygen. Nirmatrelvir/ritonavir will be primarily administered outside the hospital setting as a 5-day course oral treatment. The ritonavir component boosts plasma concentrations of nirmatrelvir through the potent and rapid inhibition of the key drug-metabolizing enzyme cytochrome P450 (CYP) 3A4. Thus nirmatrelvir/ritonavir, even given as a short treatment course, has a high potential to cause harm from drug-drug interactions (DDIs) with other drugs metabolized through this pathway. Options for mitigating risk from DDIs with nirmatrelvir/ritonavir are limited due to the clinical illness, the short window for intervention, and the related difficulty of implementing clinical monitoring or dosage adjustment of the comedication. Pragmatic options are largely confined to preemptive or symptom-driven pausing of the comedication or managing any additional risk through counseling. This review summarizes the effects of ritonavir on drug disposition (i.e., metabolizing enzymes and transporters) and discusses factors determining the likelihood of having a clinically significant DDI. Furthermore, it provides a comprehensive list of comedications likely to be used in COVID-19 patients which are categorized according to their potential DDI risk with nirmatrelvir/ritonavir. It also discusses recommendations for the management of DDIs which balance the risk of harm from DDIs with a short course of ritonavir, against unnecessary denial of nirmatrelvir/ritonavir treatment.
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Affiliation(s)
- Catia Marzolini
- Division of Infectious Diseases and Hospital Epidemiology, Departments of Medicine and Clinical Research, University Hospital of Basel and University of Basel, Basel, Switzerland
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
| | - Daniel R Kuritzkes
- Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Fiona Marra
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
- Department of Pharmacy, National Health Service Greater Glasgow and Clyde, Glasgow, UK
| | - Alison Boyle
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
- Department of Pharmacy, National Health Service Greater Glasgow and Clyde, Glasgow, UK
| | - Sara Gibbons
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
| | - Charles Flexner
- Divisions of Clinical Pharmacology and Infectious Diseases, School of Medicine and Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Anton Pozniak
- Chelsea and Westminster Hospital National Health Service Foundation Trust, London, UK
- London School of Hygiene and Tropical Medicine, London, UK
| | - Marta Boffito
- Chelsea and Westminster Hospital National Health Service Foundation Trust, London, UK
| | - Laura Waters
- Mortimer Market Centre, Central and North West London, National Health Service Foundation Trust, London, UK
| | - David Burger
- Department of Pharmacy, Radboud University Medical Center, Nijmegen, The Netherlands
- Global DDI Solutions, Utrecht, The Netherlands
| | - David J Back
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
| | - Saye Khoo
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
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Svedmyr A, Hack H, Anderson BJ. Interactions of the protease inhibitor, ritonavir, with common anesthesia drugs. Paediatr Anaesth 2022; 32:1091-1099. [PMID: 35842922 PMCID: PMC9543968 DOI: 10.1111/pan.14529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 11/27/2022]
Abstract
The protease inhibitor, ritonavir, is a strong inhibitor of CYP 3A. The drug is used for management of the human immunovirus and is currently part of an oral antiviral drug combination (nirmatrelvir-ritonavir) for the early treatment of SARS-2 COVID-19-positive patients aged 12 years and over who have recognized comorbidities. The CYP 3A enzyme system is responsible for clearance of numerous drugs used in anesthesia (e.g., alfentanil, fentanyl, methadone, rocuronium, bupivacaine, midazolam, ketamine). Ritonavir will have an impact on drug clearances that are dependent on ritonavir concentration, anesthesia drug intrinsic hepatic clearance, metabolic pathways, concentration-response relationship, and route of administration. Drugs with a steep concentration-response relationship (ketamine, midazolam, rocuronium) are mostly affected because small changes in concentration have major changes in effect response. An increase in midazolam concentration is observed after oral administration because CYP 3A in the gastrointestinal wall is inhibited, causing a large increase in relative bioavailability. Fentanyl infusion may be associated with a modest increase in plasma concentration and effect, but the large between subject variability of pharmacokinetic and pharmacodynamic concentration changes suggests it will have little impact on an individual patient, especially when used with adverse effect monitoring. It has been proposed that drugs that have no or only a small metabolic pathway involving the CYP 3A enzyme be used during anesthesia, for example, propofol, atracurium, remifentanil, and the volatile agents. That anesthesia approach denies children of drugs with considerable value. It is better that the inhibitory changes in clearance of these drugs are understood so that rational drug choices can be made to tailor drug use to the individual patient. Altered drug dose, anticipation of duration of effect, timing of administration, use of reversal agents and perioperative monitoring would better behoove children undergoing anesthesia.
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Affiliation(s)
- Anders Svedmyr
- Dept AnaesthesiaStarship Children's HospitalAucklandNew Zealand
| | - Henrik Hack
- Dept AnaesthesiaStarship Children's HospitalAucklandNew Zealand
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9
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Lo Bianco G, Papa A, Schatman ME, Tinnirello A, Terranova G, Leoni MLG, Shapiro H, Mercadante S. Practical Advices for Treating Chronic Pain in the Time of COVID-19: A Narrative Review Focusing on Interventional Techniques. J Clin Med 2021; 10:2303. [PMID: 34070601 PMCID: PMC8198659 DOI: 10.3390/jcm10112303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/24/2021] [Accepted: 05/20/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Since the management of chronic pain has become even more challenging secondary to the occurrence of SARS-CoV-2 outbreaks, we developed an exhaustive narrative review of the scientific literature, providing practical advices regarding the management of chronic pain in patients with suspected, presumed, or confirmed SARS-CoV-2 infection. We focused particularly on interventional procedures, where physicians are in closer contact with patients. METHODS Narrative Review of the most relevant articles published between June and December of 2020 that focused on the treatment of chronic pain in COVID-19 patients. RESULTS Careful triage of patients is mandatory in order to avoid overcrowding of hospital spaces. Telemedicine could represent a promising tool to replace in-person visits and as a screening tool prior to admitting patients to hospitals. Opioid medications can affect the immune response, and therefore, care should be taken prior to initiating new treatments and increasing dosages. Epidural steroids should be avoided or limited to the lowest effective dose. Non urgent interventional procedures such as spinal cord stimulation and intrathecal pumps should be postponed. The use of personal protective equipment and disinfectants represent an important component of the strategy to prevent viral spread to operators and cross-infection between patients due to the SARS-CoV-2 outbreaks.
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Affiliation(s)
- Giuliano Lo Bianco
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95124 Catania, Italy;
- Anesthesiology and Pain Department, Fondazione Istituto G. Giglio, 90015 Cefalù, Italy
| | - Alfonso Papa
- Pain Department, AO “Ospedali dei Colli”, Monaldi Hospital, 80131 Naples, Italy;
| | - Michael E. Schatman
- Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA 02111, USA;
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Andrea Tinnirello
- Anesthesiology and Pain Management Unit, Azienda Socio Sanitaria Territoriale della Franciacorta, 25032 Chiari, Italy
| | - Gaetano Terranova
- Anaesthesia and Intensive Care Department, Asst Gaetano Pini, 20122 Milano, Italy;
| | | | - Hannah Shapiro
- Division of Alcohol, Drugs, and Addiction, McLean Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Sebastiano Mercadante
- Pain Relief and Supportive Care, Private Hospital La Maddalena, 90100 Palermo, Italy;
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10
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Rezaee H, Pourkarim F, Pourtaghi‐Anvarian S, Entezari‐Maleki T, Asvadi‐Kermani T, Nouri‐Vaskeh M. Drug-drug interactions with candidate medications used for COVID-19 treatment: An overview. Pharmacol Res Perspect 2021; 9:e00705. [PMID: 33421347 PMCID: PMC7796804 DOI: 10.1002/prp2.705] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 11/20/2020] [Accepted: 11/30/2020] [Indexed: 02/06/2023] Open
Abstract
Drug-drug interaction (DDI) is a common clinical problem that has occurred as a result of the concomitant use of multiple drugs. DDI may occur in patients under treatment with medications used for coronavirus disease 2019 (COVID-19; i.e., chloroquine, lopinavir/ritonavir, ribavirin, tocilizumab, and remdesivir) and increase the risk of serious adverse reactions such as QT-prolongation, retinopathy, increased risk of infection, and hepatotoxicity. This review focuses on summarizing DDIs for candidate medications used for COVID-19 in order to minimize the adverse reactions.
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Affiliation(s)
- Haleh Rezaee
- Infectious Diseases and Tropical Medicine Research CenterTabriz University of Medical SciencesTabrizIran
- Department of Clinical PharmacyFaculty of PharmacyTabriz University of Medical SciencesTabrizIran
| | - Fariba Pourkarim
- Department of Clinical PharmacyFaculty of PharmacyTabriz University of Medical SciencesTabrizIran
| | | | - Taher Entezari‐Maleki
- Department of Clinical PharmacyFaculty of PharmacyTabriz University of Medical SciencesTabrizIran
| | - Touraj Asvadi‐Kermani
- Department of SurgeryFaculty of MedicineTabriz University of Medical SciencesTabrizIran
| | - Masoud Nouri‐Vaskeh
- Immunology Research CenterTabriz University of Medical SciencesTabrizIran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMAUniversal Scientific Education and Research Network (USERNTehranIran
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11
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Mishra P, Tomar A, Kumar A, Nath A, Sharma SK, Singh GK. Pain management in COVID-19 pediatric patients-An evidence- based review. Saudi J Anaesth 2021; 15:33-39. [PMID: 33824640 PMCID: PMC8016053 DOI: 10.4103/sja.sja_635_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 06/30/2020] [Indexed: 11/17/2022] Open
Abstract
Despite our growing knowledge about the COVID pandemic, not much concern has been focused upon the effective pain management in pediatric patients suffering from this SARS CoV2 virus. Symptoms with pain like myalgia (10%–40%), sore throat (5%–30%), headache (14%–40%) and abdominal pain (10%) are common in children suffering from COVID. (3-5) We conducted a systematic review regarding analgesia for COVID positive pediatric patients. Cochrane, PubMed, and Google scholar databases were searched for relevant literature. Owing to the novel status of COVID-19 with limited literature, we included randomized controlled trials (RCTs), observational studies, case series and case reports in the descending order of consideration. Articles in languages other than English, abstract only articles and non-scientific commentaries were excluded. The Primary outcome was evaluation of pain related symptoms and best strategies for their management. Our review revealed that a multidisciplinary approach starting from non-pharmacological techniques like drinking plenty of water, removing triggers like inadequate sleep, specific foods and psychotherapy including distraction, comfort and cognitive behavioural strategies should be used. Pharmacological approaches like acetaminophen, NSAIDS, spasmolytics etc. can be used if non-pharmacological therapy is inadequate. As per the current strength of evidence, acetaminophen and ibuprofen can be safely administered for pain management in children with COVID-19. Undertreated pain is a significant contributor to increased morbidity and poor prognosis. Integration of evidence based non-pharmacotherapies in the multidisciplinary pain management will contribute towards improved functioning, early recovery and better quality care for pediatric patients suffering from COVID.
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Affiliation(s)
- Priyanka Mishra
- Department of Anesthesiology and Critical Care, AIIMS, Rishikesh, India
| | - Anupama Tomar
- Department of Anesthesiology and Critical Care, AIIMS, Rishikesh, India
| | - Ajit Kumar
- Department of Anesthesiology and Critical Care, AIIMS, Rishikesh, India
| | - Amborish Nath
- Department of Burns and Plastic Surgery, AIIMS, Rishikesh, India
| | - Suresh K Sharma
- Professor and Principal, College of Nursing, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
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12
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Fitting S, McRae M, Hauser KF. Opioid and neuroHIV Comorbidity - Current and Future Perspectives. J Neuroimmune Pharmacol 2020; 15:584-627. [PMID: 32876803 PMCID: PMC7463108 DOI: 10.1007/s11481-020-09941-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 07/02/2020] [Indexed: 12/14/2022]
Abstract
With the current national opioid crisis, it is critical to examine the mechanisms underlying pathophysiologic interactions between human immunodeficiency virus (HIV) and opioids in the central nervous system (CNS). Recent advances in experimental models, methodology, and our understanding of disease processes at the molecular and cellular levels reveal opioid-HIV interactions with increasing clarity. However, despite the substantial new insight, the unique impact of opioids on the severity, progression, and prognosis of neuroHIV and HIV-associated neurocognitive disorders (HAND) are not fully understood. In this review, we explore, in detail, what is currently known about mechanisms underlying opioid interactions with HIV, with emphasis on individual HIV-1-expressed gene products at the molecular, cellular and systems levels. Furthermore, we review preclinical and clinical studies with a focus on key considerations when addressing questions of whether opioid-HIV interactive pathogenesis results in unique structural or functional deficits not seen with either disease alone. These considerations include, understanding the combined consequences of HIV-1 genetic variants, host variants, and μ-opioid receptor (MOR) and HIV chemokine co-receptor interactions on the comorbidity. Lastly, we present topics that need to be considered in the future to better understand the unique contributions of opioids to the pathophysiology of neuroHIV. Graphical Abstract Blood-brain barrier and the neurovascular unit. With HIV and opiate co-exposure (represented below the dotted line), there is breakdown of tight junction proteins and increased leakage of paracellular compounds into the brain. Despite this, opiate exposure selectively increases the expression of some efflux transporters, thereby restricting brain penetration of specific drugs.
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Affiliation(s)
- Sylvia Fitting
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599-3270, USA
| | - MaryPeace McRae
- Department of Pharmacotherapy and Outcomes Science, School of Pharmacy, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Kurt F Hauser
- Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, 1217 East Marshall Street, Richmond, VA, 23298-0613, USA.
- Department of Anatomy and Neurobiology, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23298-0709, USA.
- Institute for Drug and Alcohol Studies, Virginia Commonwealth University, 203 East Cary Street, Richmond, VA, 23298-0059, USA.
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13
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Opioid Use Disorders in People Living with HIV/AIDS: A Review of Implications for Patient Outcomes, Drug Interactions, and Neurocognitive Disorders. PHARMACY 2020; 8:pharmacy8030168. [PMID: 32932786 PMCID: PMC7559328 DOI: 10.3390/pharmacy8030168] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/03/2020] [Accepted: 09/05/2020] [Indexed: 01/05/2023] Open
Abstract
The opioid epidemic has had a significant, negative impact in the United States, and people living with HIV/AIDS (PLWHA) represent a vulnerable sub-population that is at risk for negative sequela from prolonged opioid use or opioid use disorder (OUD). PLWHA are known to suffer from HIV-related pain and are commonly treated with opioids, leading to subsequent addictive disorders. PLWHA and OUD are at an increased risk for attrition in the HIV care continuum, including suboptimal HIV laboratory testing, delayed entry into HIV care, and initiation or adherence to antiretroviral therapy. Barriers to OUD treatment, such as medication-assisted therapy, are also apparent for PLWHA with OUD, particularly those living in rural areas. Additionally, PLWHA and OUD are at a high risk for serious drug–drug interactions through antiretroviral-opioid metabolic pathway-related inhibition/induction, or via the human ether-a-go-go-related gene potassium ion channel pathways. HIV-associated neurocognitive disorders can also be potentiated by the off-target inflammatory effects of opioid use. PLWHA and OUD might require more intensive, individualized protocols to sustain treatment for the underlying opioid addiction, as well as to provide proactive social support to aid in improving patient outcomes. Advancements in the understanding and management of PLWHA and OUD are needed to improve patient care. This review describes the effects of prescription and non-prescription opioid use in PLWHA.
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14
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Ghosh A, Roub F, Bisaga A. Drug treatment of SARS-Cov2: Potential effects in patients with substance use disorders (SUD). J Psychosom Res 2020; 135:110159. [PMID: 32464504 PMCID: PMC7242975 DOI: 10.1016/j.jpsychores.2020.110159] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/20/2020] [Accepted: 05/20/2020] [Indexed: 01/18/2023]
Affiliation(s)
- Abhishek Ghosh
- Drug De-addiction and Treatment Centre, Department of Psychiatry Postgraduate Institute of Medical Education and Research, Chandigarh, India.
| | - Fazle Roub
- Drug De-addiction and Treatment Centre, Department of Psychiatry Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Adam Bisaga
- Department of Psychiatry, Columbia University Medical Center, New York, United States.
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15
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Stawicki SP, Jeanmonod R, Miller AC, Paladino L, Gaieski DF, Yaffee AQ, De Wulf A, Grover J, Papadimos TJ, Bloem C, Galwankar SC, Chauhan V, Firstenberg MS, Di Somma S, Jeanmonod D, Garg SM, Tucci V, Anderson HL, Fatimah L, Worlton TJ, Dubhashi SP, Glaze KS, Sinha S, Opara IN, Yellapu V, Kelkar D, El-Menyar A, Krishnan V, Venkataramanaiah S, Leyfman Y, Saoud Al Thani HA, WB Nanayakkara P, Nanda S, Cioè-Peña E, Sardesai I, Chandra S, Munasinghe A, Dutta V, Dal Ponte ST, Izurieta R, Asensio JA, Garg M. The 2019-2020 Novel Coronavirus (Severe Acute Respiratory Syndrome Coronavirus 2) Pandemic: A Joint American College of Academic International Medicine-World Academic Council of Emergency Medicine Multidisciplinary COVID-19 Working Group Consensus Paper. J Glob Infect Dis 2020; 12:47-93. [PMID: 32773996 PMCID: PMC7384689 DOI: 10.4103/jgid.jgid_86_20] [Citation(s) in RCA: 186] [Impact Index Per Article: 46.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 04/25/2020] [Accepted: 05/04/2020] [Indexed: 02/06/2023] Open
Abstract
What started as a cluster of patients with a mysterious respiratory illness in Wuhan, China, in December 2019, was later determined to be coronavirus disease 2019 (COVID-19). The pathogen severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel Betacoronavirus, was subsequently isolated as the causative agent. SARS-CoV-2 is transmitted by respiratory droplets and fomites and presents clinically with fever, fatigue, myalgias, conjunctivitis, anosmia, dysgeusia, sore throat, nasal congestion, cough, dyspnea, nausea, vomiting, and/or diarrhea. In most critical cases, symptoms can escalate into acute respiratory distress syndrome accompanied by a runaway inflammatory cytokine response and multiorgan failure. As of this article's publication date, COVID-19 has spread to approximately 200 countries and territories, with over 4.3 million infections and more than 290,000 deaths as it has escalated into a global pandemic. Public health concerns mount as the situation evolves with an increasing number of infection hotspots around the globe. New information about the virus is emerging just as rapidly. This has led to the prompt development of clinical patient risk stratification tools to aid in determining the need for testing, isolation, monitoring, ventilator support, and disposition. COVID-19 spread is rapid, including imported cases in travelers, cases among close contacts of known infected individuals, and community-acquired cases without a readily identifiable source of infection. Critical shortages of personal protective equipment and ventilators are compounding the stress on overburdened healthcare systems. The continued challenges of social distancing, containment, isolation, and surge capacity in already stressed hospitals, clinics, and emergency departments have led to a swell in technologically-assisted care delivery strategies, such as telemedicine and web-based triage. As the race to develop an effective vaccine intensifies, several clinical trials of antivirals and immune modulators are underway, though no reliable COVID-19-specific therapeutics (inclusive of some potentially effective single and multi-drug regimens) have been identified as of yet. With many nations and regions declaring a state of emergency, unprecedented quarantine, social distancing, and border closing efforts are underway. Implementation of social and physical isolation measures has caused sudden and profound economic hardship, with marked decreases in global trade and local small business activity alike, and full ramifications likely yet to be felt. Current state-of-science, mitigation strategies, possible therapies, ethical considerations for healthcare workers and policymakers, as well as lessons learned for this evolving global threat and the eventual return to a "new normal" are discussed in this article.
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Affiliation(s)
- Stanislaw P Stawicki
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA,Address for correspondence: Dr. Stanislaw P Stawicki, Department of Research and Innovation, St. Luke's University Health Network, 801 Ostrum Street, Bethlehem, Pennsylvania, USA. E-mail:
| | - Rebecca Jeanmonod
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Andrew C Miller
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Lorenzo Paladino
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - David F Gaieski
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Anna Q Yaffee
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Annelies De Wulf
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Joydeep Grover
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Thomas J. Papadimos
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Christina Bloem
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Sagar C Galwankar
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Vivek Chauhan
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Michael S. Firstenberg
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Salvatore Di Somma
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Donald Jeanmonod
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Sona M Garg
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Veronica Tucci
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Harry L Anderson
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Lateef Fatimah
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Tamara J Worlton
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | | | - Krystal S Glaze
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Sagar Sinha
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Ijeoma Nnodim Opara
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Vikas Yellapu
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Dhanashree Kelkar
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Ayman El-Menyar
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Vimal Krishnan
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - S Venkataramanaiah
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Yan Leyfman
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | | | | | - Sudip Nanda
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Eric Cioè-Peña
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Indrani Sardesai
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Shruti Chandra
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Aruna Munasinghe
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Vibha Dutta
- COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Silvana Teixeira Dal Ponte
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Ricardo Izurieta
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA
| | - Juan A Asensio
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
| | - Manish Garg
- Working Group on International Health Security, The American College of Academic International Academic Medicine, USA,COVID-19 Pandemic Taskforce, World Academic Council of Emergency Medicine, USA
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16
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Kim JH, Kim JY, Lee N, Yee J, Gwak HS. The impact of drug interactions on adverse effects of oral oxycodone in male geriatric patients. J Clin Pharm Ther 2020; 45:976-982. [PMID: 32068910 DOI: 10.1111/jcpt.13113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/05/2019] [Accepted: 01/06/2020] [Indexed: 11/28/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE With increased opioid use, drug-drug interactions (DDIs) and associated adverse events are growing among geriatric patients. However, the clinical significance of potential metabolic DDIs associated with opioid use has not been fully evaluated among geriatric patients. Particularly, cytochrome (CYP) P450 enzymes are important in drug metabolism of oxycodone and a black box warning for oxycodone reveals serious risks associated with drug-oxycodone interactions. This study focused on the use of oxycodone in geriatric patients to evaluate its adverse drug reactions (ADRs) and DDIs associated with CYP P450 enzymes. METHODS A retrospective cohort study using patients treated at Korea Veterans Hospital was performed. Data from male patients aged 65 years and older who received oxycodone were analysed. Binomial variables describing patient-related characteristics, drug-related characteristics and CYP-mediating drugs were constructed. Associations between these variables and the frequency of ADRs were determined. The odds ratio (OR) and adjusted odds ratio (AOR) were calculated from univariable and multivariable analyses, respectively. RESULTS AND DISCUSSION Among 111 patients, 32.4% experienced at least one ADR. The most common ADR was gastrointestinal-related (n = 21), followed by dizziness and drowsiness (n = 8). Use of either CYP2D6 inhibitors or CYP3A4 inhibitors increased the rate of ADRs by 20.4 and 25.4 times, respectively. In the case of patients taking both inhibitors, the adjusted OR was 48.6, and the attributable risk was 97.9%. WHAT IS NEW AND CONCLUSION This study suggests that inappropriate combinations of oxycodone with CYP2D6 inhibitors and/or CYP3A4 inhibitors may warrant treatment modification to avoid ADRs in geriatric patients. Clinicians should monitor any signs of ADRs that may reflect DDIs while a geriatric patient is taking oxycodone.
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Affiliation(s)
- Joo Hee Kim
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Korea.,College of Pharmacy & Institute of Pharmaceutical Science and Technology, Ajou University, Suwon-si, Korea
| | - Ji Young Kim
- Graduate School of Converging Clinical & Public Health, Ewha Womans University, Seoul, Korea.,Department of Pharmacy, Korea Veterans Hospital, Seoul, Korea
| | - Nari Lee
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Korea
| | - Jeong Yee
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Korea
| | - Hye Sun Gwak
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Korea.,Graduate School of Converging Clinical & Public Health, Ewha Womans University, Seoul, Korea
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17
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Rytkönen J, Ranta VP, Kokki M, Kokki H, Hautajärvi H, Rinne V, Heikkinen AT. Physiologically based pharmacokinetic modelling of oxycodone drug-drug interactions. Biopharm Drug Dispos 2020; 41:72-88. [PMID: 31925778 DOI: 10.1002/bdd.2215] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 01/02/2020] [Accepted: 01/08/2020] [Indexed: 02/01/2023]
Abstract
Oxycodone is an opioid analgesic with several pharmacologically active metabolites and relatively narrow therapeutic index. Cytochrome P450 (CYP) 3A4 and CYP2D6 play major roles in the metabolism of oxycodone and its metabolites. Thus, inhibition and induction of these enzymes may result in substantial changes in the exposure of both oxycodone and its metabolites. In this study, a physiologically based pharmacokinetic (PBPK) model was built using GastroPlus™ software for oxycodone, two primary metabolites (noroxycodone, oxymorphone) and one secondary metabolite (noroxymorphone). The model was built based on literature and in house in vitro and in silico data. The model was refined and verified against literature clinical data after oxycodone administration in the absence of drug-drug interactions (DDI). The model was further challenged with simulations of oxycodone DDI with CYP3A4 inhibitors ketoconazole and itraconazole, CYP3A4 inducer rifampicin and CYP2D6 inhibitor quinidine. The magnitude of DDI (AUC ratio) was predicted within 1.5-fold error for oxycodone, within 1.8-fold and 1.3-4.5-fold error for the primary metabolites noroxycodone and oxymorphone, respectively, and within 1.4-4.5-fold error for the secondary metabolite noroxymorphone, when compared to the mean observed AUC ratios. This work demonstrated the capability of PBPK model to simulate DDI of the administered compounds and the formed metabolites of both DDI victim and perpetrator. However, the predictions for the formed metabolites tend to be associated with higher uncertainty than the predictions for the administered compound. The oxycodone model provides a tool for forecasting oxycodone DDI with other CYP3A4 and CYP2D6 DDI perpetrators that may be co-administered with oxycodone.
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Affiliation(s)
- Jaana Rytkönen
- Admescope Ltd, Oulu, Finland.,School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Veli-Pekka Ranta
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Merja Kokki
- Anesthesia and Intensive Care, Kuopio University Hospital, Kuopio, Finland
| | - Hannu Kokki
- School of Medicine, University of Eastern Finland, Kuopio, Finland
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19
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20
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Leuppi-Taegtmeyer A, Duthaler U, Hammann F, Schmid Y, Dickenmann M, Amico P, Jehle AW, Kalbermatter S, Lenherr C, Meyer zu Schwabedissen HE, Haschke M, Liechti ME, Krähenbühl S. Pharmacokinetics of oxycodone/naloxone and its metabolites in patients with end-stage renal disease during and between haemodialysis sessions. Nephrol Dial Transplant 2018; 34:692-702. [DOI: 10.1093/ndt/gfy285] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Indexed: 12/16/2022] Open
Affiliation(s)
- Anne Leuppi-Taegtmeyer
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Urs Duthaler
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Felix Hammann
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Yasmin Schmid
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Michael Dickenmann
- Transplantation Immunology and Nephrology, University Hospital Basel, Basel, Switzerland
- Department of Medicine, Hirslanden Klinik St. Anna, Lucerne, Switzerland
| | - Patricia Amico
- Transplantation Immunology and Nephrology, University Hospital Basel, Basel, Switzerland
- Department of Medicine, Hirslanden Klinik St. Anna, Lucerne, Switzerland
| | - Andreas W Jehle
- Transplantation Immunology and Nephrology, University Hospital Basel, Basel, Switzerland
- Department of Medicine, Hirslanden Klinik St. Anna, Lucerne, Switzerland
| | - Stefan Kalbermatter
- Nephrology and Dialysis, Medical University Clinic and Kantonsspital Baselland, Liestal, Switzerland
| | - Christoph Lenherr
- Nephrology and Dialysis, Medical University Clinic and Kantonsspital Baselland, Liestal, Switzerland
| | | | - Manuel Haschke
- Clinical Pharmacology and Toxicology, Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Matthias E Liechti
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Stephan Krähenbühl
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine and Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland
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21
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Bruce RD, Merlin J, Lum PJ, Ahmed E, Alexander C, Corbett AH, Foley K, Leonard K, Treisman GJ, Selwyn P. 2017 HIVMA of IDSA Clinical Practice Guideline for the Management of Chronic Pain in Patients Living With HIV. Clin Infect Dis 2018; 65:e1-e37. [PMID: 29020263 DOI: 10.1093/cid/cix636] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 07/19/2017] [Indexed: 12/27/2022] Open
Abstract
Pain has always been an important part of human immunodeficiency virus (HIV) disease and its experience for patients. In this guideline, we review the types of chronic pain commonly seen among persons living with HIV (PLWH) and review the limited evidence base for treatment of chronic noncancer pain in this population. We also review the management of chronic pain in special populations of PLWH, including persons with substance use and mental health disorders. Finally, a general review of possible pharmacokinetic interactions is included to assist the HIV clinician in the treatment of chronic pain in this population.It is important to realize that guidelines cannot always account for individual variation among patients. They are not intended to supplant physician judgment with respect to particular patients or special clinical situations. The Infectious Diseases Society of American considers adherence to these guidelines to be voluntary, with the ultimate determination regarding their application to be made by the physician in the light of each patient's individual circumstances.
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Affiliation(s)
- R Douglas Bruce
- Department of Medicine, Cornell Scott-Hill Health Center and Yale University, New Haven, Connecticut
| | - Jessica Merlin
- Divisions of Infectious Diseases and Gerontology, Geriatrics and Palliative Care, University of Alabama at Birmingham
| | - Paula J Lum
- Division of HIV, Infectious Disease, and Global Medicine, University of California San Francisco
| | - Ebtesam Ahmed
- St. Johns University College of Pharmacy and Health Sciences, Metropolitan Jewish Health System Institute for Innovation in Palliative Care, New York
| | - Carla Alexander
- University of Maryland School of Medicine, Institute of Human Virology, Baltimore
| | - Amanda H Corbett
- Eshelman School of Pharmacy, University of North Carolina, Chapel Hill
| | - Kathleen Foley
- Attending Neurologist Emeritus, Memorial Sloan Kettering Cancer Center, New York
| | - Kate Leonard
- Division of Neuroscience and Clinical Pharmacology, Cornell University, New York, New York
| | | | - Peter Selwyn
- Department of Family and Social Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
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22
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Chary A, Nguyen NN, Maiton K, Holodniy M. A review of drug-drug interactions in older HIV-infected patients. Expert Rev Clin Pharmacol 2017; 10:1329-1352. [PMID: 28922979 DOI: 10.1080/17512433.2017.1377610] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION The number of older HIV-infected people is growing due to increasing life expectancies resulting from the use of antiretroviral therapy (ART). Both HIV and aging increase the risk of other comorbidities, such as cardiovascular disease, osteoporosis, and some malignancies, leading to greater challenges in managing HIV with other conditions. This results in complex medication regimens with the potential for significant drug-drug interactions and increased morbidity and mortality. Area covered: We review the metabolic pathways of ART and other medications used to treat medical co-morbidities, highlight potential areas of concern for drug-drug interactions, and where feasible, suggest alternative approaches for treating these conditions as suggested from national guidelines or articles published in the English language. Expert commentary: There is limited evidence-based data on ART drug interactions, pharmacokinetics and pharmacodynamics in the older HIV-infected population. Choosing and maintaining effective ART regimens for older adults requires consideration of side effect profile, individual comorbidities, interactions with concurrent prescriptions and non-prescription medications and supplements, dietary patterns with respect to dosing, pill burden and ease of dosing, cost and affordability, patient preferences, social situation, and ART resistance history. Practitioners must remain vigilant for potential drug interactions and intervene when there is a potential for harm.
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Affiliation(s)
- Aarthi Chary
- a Department of Medicine , Veterans Affairs Palo Alto Health Care System , Palo Alto , CA , USA.,b Division of Infectious Diseases and Geographic Medicine , Stanford University School of Medicine , Stanford , CA , USA
| | - Nancy N Nguyen
- c Department of Pharmacy , Veterans Affairs Palo Alto Health Care System , Palo Alto , CA , USA.,d Department of Pharmacy Practice, Thomas J. Long School of Pharmacy & Health Sciences , University of the Pacific , Stockton , CA , USA
| | - Kimberly Maiton
- d Department of Pharmacy Practice, Thomas J. Long School of Pharmacy & Health Sciences , University of the Pacific , Stockton , CA , USA
| | - Mark Holodniy
- a Department of Medicine , Veterans Affairs Palo Alto Health Care System , Palo Alto , CA , USA.,b Division of Infectious Diseases and Geographic Medicine , Stanford University School of Medicine , Stanford , CA , USA.,e Office of Public Health Surveillance & Research , Veterans Affairs Palo Alto Health Care System , Palo Alto , CA , USA
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Feng XQ, Zhu LL, Zhou Q. Opioid analgesics-related pharmacokinetic drug interactions: from the perspectives of evidence based on randomized controlled trials and clinical risk management. J Pain Res 2017; 10:1225-1239. [PMID: 28579821 PMCID: PMC5449157 DOI: 10.2147/jpr.s138698] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Multimorbidity results in complex polypharmacy which may bear a risk of drug interactions. A better understanding of opioid analgesics combination therapy used for pain management could help warrant medication safety, efficacy, and economic relevance. Until now there has been no review summarizing the opioid analgesics-related pharmacokinetic drug interactions from the perspective of evidence based on randomized controlled trials (RCTs). METHOD A literature search was performed using PubMed, MEDLINE, and the Cochrane Library, using a PRISMA flowchart. RESULTS Fifty-two RCTs were included for data interpretation. Forty-two RCTs (80.8%) were conducted in healthy volunteers, whereas 10 RCTs (19.2%) enrolled true patients. None of the opioid-drug/herb pairs was listed as contraindications of opioids involved in this review. Circumstances in which opioid is comedicated as a precipitant drug include morphine-P2Y12 inhibitors, morphine-gabapentin, and methadone-zidovudine. Circumstances in which opioid is comedicated as an object drug include rifampin-opioids (morphine, tramadol, oxycodone, methadone), quinidine-opioids (morphine, fentanyl, oxycodone, codeine, dihydrocodeine, methadone), antimycotics-opioids (buprenorphine, fentanyl, morphine, oxycodone, methadone, tilidine, tramadol), protease inhibitors-opioids (ritonavir, ritonavir/lopinavir-oxycodone, ritonavir-fentanyl, ritonavir-tilidine), grapefruit juice-opioids (oxycodone, fentanyl, methadone), antidepressants-opioids (paroxetine-tramadol, paroxetine-hydrocodone, paroxetine-oxycodone, escitalopram-tramadol), metoclopramide-morphine, amantadine-morphine, sumatriptan-butorphanol nasal sprays, ticlopidine-tramadol, St John's wort-oxycodone, macrolides/ketolides-oxycodone, and levomepromazine-codeine. RCTs investigating the same combination, almost unanimously, drew consistent conclusions, except two RCTs on amantadine-intravenous morphine combination where a different amantadine dose was used and two RCTs on morphine-ticagrelor combination where healthy volunteers and true patients were enrolled, respectively. RCTs investigating in true patients may reflect a realistic clinical scenario and overcome the limitation of RCTs performed in healthy volunteers under standardized conditions. Further research opportunities are also presented in this review. CONCLUSION Effective and safe combination therapy of opioids can be achieved by promoting the awareness of potential changes in therapeutic efficacy and toxicities, prescribing alternatives or changing administration strategy, tailoring dose, reviewing the appropriateness of orders, and paying attention to medication monitoring.
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Affiliation(s)
- Xiu-Qin Feng
- Nursing Administration Office, Division of Nursing
| | | | - Quan Zhou
- Department of Pharmacy, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
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24
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Charpiat B, Tod M, Darnis B, Boulay G, Gagnieu MC, Mabrut JY. Respiratory depression related to multiple drug-drug interactions precipitated by a fluconazole loading dose in a patient treated with oxycodone. Eur J Clin Pharmacol 2017; 73:787-788. [PMID: 28280888 DOI: 10.1007/s00228-017-2215-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Accepted: 02/03/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Bruno Charpiat
- Pharmacie, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, 103, Grande Rue de la Croix-Rousse, 69317, Lyon Cedex 04, France.
- Pharmacie, Hôpital de la Croix-Rousse, 103 Grande rue de la Croix-Rousse, Groupement Hospitalier Nord, 69004, Lyon, France.
| | - Michel Tod
- Pharmacie, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, 103, Grande Rue de la Croix-Rousse, 69317, Lyon Cedex 04, France
| | - Benjamin Darnis
- Service de Chirurgie Générale, Digestive et de Transplantation Hépatique, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, 103, Grande Rue de la Croix-Rousse, 69317, Lyon Cedex 04, France
| | - Guillaume Boulay
- Service d'Anesthésie et de Réanimation, Hôpital de la Croix-Rousse, Groupement Hospitalier Nord, Hospices Civils de Lyon, 103, grande rue de la Croix-Rousse, 69317, Lyon Cedex 04, France
| | - Marie-Claude Gagnieu
- Unité de Pharmacologie, Hôpital Edouard Herriot, Hospices Civils de Lyon, 5 Place d'Arsonval, 69003, Lyon, France
| | - Jean-Yves Mabrut
- Service de Chirurgie Générale, Digestive et de Transplantation Hépatique, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, 103, Grande Rue de la Croix-Rousse, 69317, Lyon Cedex 04, France
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Turner AN, Maierhofer C, Funderburg NT, Snyder B, Small K, Clark J, Bazan JA, Kwiek NC, Kwiek JJ. High levels of self-reported prescription opioid use by HIV-positive individuals. AIDS Care 2016; 28:1559-1565. [PMID: 27320493 DOI: 10.1080/09540121.2016.1198746] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Prescription medication use (other than antiretroviral therapy (ART)) is highly prevalent among people living with HIV. Prescription medications may be used medically or non-medically: non-medical use includes using more medication than prescribed, using medication prescribed to someone else, or using medication for a purpose other than its prescribed use. During 12 weeks in 2014-2015, we characterized medical and non-medical prescription medication use among HIV-positive patients attending an academic medical center (n = 149) and a community clinic (n = 105). Separately for the past year and the past month, these 254 participants self-reported their use of prescription opioids, sedatives, stimulants, anti-anxiety medications, antipsychotic medications, and erectile dysfunction medications. Respondents were largely male (91%), aged 40 or older (61%), identified as gay or bisexual (79%), and were men who have sex with men (85%). ART use was nearly universal (95%). Nearly half (43%) of participants reported medical use of prescription opioids; 11% of the opioid use was reported as non-medical use. Anti-anxiety medication use was also frequent, and differed by site: 41% of community-clinic responders reported medical use of anti-anxiety medications compared to 23% of hospital clinic respondents who reported medical use. Prescription sedative use was also approximately twice as high among community-clinic participants, with medical use reported by 43% of respondents and non-medical use by 12%; in comparison, at the hospital clinic, sedative use was reported by 18% (medical) and 7% (non-medical) of participants. Stimulant use was rare in both sites. No demographic characteristic was significantly associated with medical or non-medical use of any prescription medication. The current focus of many studies on only non-medical prescription medication use not only underestimates the widespread exposure of HIV-positive individuals to these drugs, but may also underestimate potential adverse effects of prescription medications in this population.
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Affiliation(s)
- Abigail Norris Turner
- a Division of Infectious Diseases , College of Medicine, the Ohio State University , Columbus , OH , USA
| | - Courtney Maierhofer
- a Division of Infectious Diseases , College of Medicine, the Ohio State University , Columbus , OH , USA
| | - Nicholas T Funderburg
- b Division of Medical Laboratory Science , School of Health and Rehabilitation Sciences, the Ohio State University , Columbus , OH , USA
| | - Brandon Snyder
- a Division of Infectious Diseases , College of Medicine, the Ohio State University , Columbus , OH , USA
| | - Kristi Small
- a Division of Infectious Diseases , College of Medicine, the Ohio State University , Columbus , OH , USA
| | - Jan Clark
- a Division of Infectious Diseases , College of Medicine, the Ohio State University , Columbus , OH , USA
| | - Jose A Bazan
- a Division of Infectious Diseases , College of Medicine, the Ohio State University , Columbus , OH , USA
| | - Nicole C Kwiek
- c Division of Pharmacology , College of Pharmacy, the Ohio State University , Columbus , OH , USA
| | - Jesse J Kwiek
- d Department of Microbial Infection and Immunity , College of Medicine , Columbus , OH , USA.,e Department of Microbiology , College of Arts and Sciences, the Ohio State University , Columbus , OH , USA
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Maher DP, Lee J, Woo P, Zhang X, White PF, Yumul R, Hernandez Conte A. Ritonavir Use in Human Immunodeficiency Virus-Positive Surgical Patients Is Not Associated with an Increase in Postoperative Critical Respiratory Events. J Pain Palliat Care Pharmacother 2016; 30:25-30. [PMID: 26861563 DOI: 10.3109/15360288.2015.1135846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This study evaluated whether highly active antiretroviral therapy for human immunodeficiency virus (HIV) including ritonavir is independently associated with increased critical respiratory events after general anesthesia with opioid analgesia. The impact of ritonavir on hepatic microsomal enzymes was considered due to the effect of these enzymes on opioid metabolism. Medical records of over 1900 patients were reviewed, and those of 941 patients met inclusion criteria and were analyzed. Chronic treatment with ritonavir was not associated with critical respiratory events in HIV-positive patients.
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Stolbach A, Paziana K, Heverling H, Pham P. A Review of the Toxicity of HIV Medications II: Interactions with Drugs and Complementary and Alternative Medicine Products. J Med Toxicol 2015; 11:326-41. [PMID: 26036354 PMCID: PMC4547966 DOI: 10.1007/s13181-015-0465-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
For many patients today, HIV has become a chronic disease. For those patients who have access to and adhere to lifelong antiretroviral (ARV) therapy, the potential for drug-drug interactions has become a real and life-threatening concern. It is known that most ARV drug interactions occur through the cytochrome P450 (CYP) pathway. Medications for comorbid medical conditions, holistic supplements, and illicit drugs can be affected by CYP inhibitors and inducers and have the potential to cause harm and toxicity. Protease inhibitors (PIs) tend to inhibit CYP3A4, while most non-nucleoside reverse transcriptase inhibitors (NNRTIs) tend to induce the enzyme. As such, failure to adjust the dose of co-administered medications, such as statins and steroids, may lead to serious complications including rhabdomyolysis and hypercortisolism, respectively. Similarly, gastric acid blockers can decrease several ARV absorption, and warfarin doses may need to be adjusted to maintain therapeutic concentrations. Illicit drugs such as methylenedioxymethamphetamine (MDMA, "ecstasy") in combination with PIs lead to increased toxicity, while the concomitant administration of sedative drugs such as midazolam and alprazolam in patients taking PIs can result in prolonged sedation, delayed recovery, and increased length of stay. Even supplements like St. John's Wort can alter PI concentrations. In theory, any drug that is metabolized by CYP has potential for a pharmacokinetic drug-drug interaction with all PIs, cobicistat, and most NNRTIs. When adding a new medication to an ARV regimen, use of a drug-drug interaction software and/or consultation with a clinical pharmacist/pharmacologist or HIV specialist is recommended.
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Affiliation(s)
- Andrew Stolbach
- />Department of Emergency Medicine, Johns Hopkins Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 6-100, Baltimore, MD 21287 USA
| | - Karolina Paziana
- />Department of Emergency Medicine, Johns Hopkins Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 6-100, Baltimore, MD 21287 USA
| | - Harry Heverling
- />Department of Emergency Medicine, Johns Hopkins Department of Emergency Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 6-100, Baltimore, MD 21287 USA
| | - Paul Pham
- />Division of Infectious Diseases, Johns Hopkins University School of Medicine, 1830 East Monument Street, 4th floor, Baltimore, MD 21205 USA
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Moody DE, Liu F, Fang WB. Azole Antifungal Inhibition of Buprenorphine, Methadone and Oxycodone In Vitro Metabolism. J Anal Toxicol 2015; 39:374-86. [DOI: 10.1093/jat/bkv030] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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29
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Hughes CA, Tseng A, Cooper R. Managing drug interactions in HIV-infected adults with comorbid illness. CMAJ 2015; 187:36-43. [PMID: 25225224 PMCID: PMC4284166 DOI: 10.1503/cmaj.131626] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Christine A Hughes
- Faculty of Pharmacy and Pharmaceutical Sciences (Hughes) and Division of Infectious Diseases, Department of Medicine (Cooper), University of Alberta, Edmonton, Alta.; Northern Alberta HIV Program (Hughes), Edmonton, Alta.; Toronto General Hospital (Tseng), Toronto, Ont.; Leslie Dan Faculty of Pharmacy (Tseng), University of Toronto, Toronto, Ont.
| | - Alice Tseng
- Faculty of Pharmacy and Pharmaceutical Sciences (Hughes) and Division of Infectious Diseases, Department of Medicine (Cooper), University of Alberta, Edmonton, Alta.; Northern Alberta HIV Program (Hughes), Edmonton, Alta.; Toronto General Hospital (Tseng), Toronto, Ont.; Leslie Dan Faculty of Pharmacy (Tseng), University of Toronto, Toronto, Ont
| | - Ryan Cooper
- Faculty of Pharmacy and Pharmaceutical Sciences (Hughes) and Division of Infectious Diseases, Department of Medicine (Cooper), University of Alberta, Edmonton, Alta.; Northern Alberta HIV Program (Hughes), Edmonton, Alta.; Toronto General Hospital (Tseng), Toronto, Ont.; Leslie Dan Faculty of Pharmacy (Tseng), University of Toronto, Toronto, Ont
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Kumar S, Rao PSS, Earla R, Kumar A. Drug-drug interactions between anti-retroviral therapies and drugs of abuse in HIV systems. Expert Opin Drug Metab Toxicol 2014; 11:343-55. [PMID: 25539046 DOI: 10.1517/17425255.2015.996546] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Substance abuse is a common problem among HIV-infected individuals. Importantly, addictions as well as moderate use of alcohol, smoking, or other illicit drugs have been identified as major reasons for non-adherence to antiretroviral therapy (ART) among HIV patients. The literature also suggests a decrease in the response to ART among HIV patients who use these substances, leading to failure to achieve optimal virological response and increased disease progression. AREAS COVERED This review discusses the challenges with adherence to ART as well as observed drug interactions and known toxicities with major drugs of abuse, such as alcohol, smoking, methamphetamine, cocaine, marijuana, and opioids. The lack of adherence and drug interactions potentially lead to decreased efficacy of ART drugs and increased ART, and drugs of abuse-mediated toxicity. As CYP is the common pathway in metabolizing both ART and drugs of abuse, we discuss the possible involvement of CYP pathways in such drug interactions. EXPERT OPINION We acknowledge that further studies focusing on common metabolic pathways involving CYP and advance research in this area would help to potentially develop novel/alternate interventions and drug dose/regimen adjustments to improve medication outcomes in HIV patients who consume drugs of abuse.
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Affiliation(s)
- Santosh Kumar
- University of Tennessee Health Science Center, College of Pharmacy, Department of Pharmaceutical Sciences , 881 Madison Ave., Memphis, TN 38163 , USA
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31
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Marsousi N, Daali Y, Rudaz S, Almond L, Humphries H, Desmeules J, Samer CF. Prediction of Metabolic Interactions With Oxycodone via CYP2D6 and CYP3A Inhibition Using a Physiologically Based Pharmacokinetic Model. CPT-PHARMACOMETRICS & SYSTEMS PHARMACOLOGY 2014; 3:e152. [PMID: 25518025 PMCID: PMC4288002 DOI: 10.1038/psp.2014.49] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 09/29/2014] [Indexed: 01/01/2023]
Abstract
Evaluation of a potential risk of metabolic drug–drug interactions (DDI) is of high importance in the clinical setting. In this study, a physiologically based pharmacokinetic (PBPK) model was developed for oxycodone and its two primary metabolites, oxymorphone and noroxycodone, in order to assess different DDI scenarios using published in vitro and in vivo data. Once developed and refined, the model was able to simulate pharmacokinetics of the three compounds and the DDI extent in case of coadministration with an inhibitor, as well as the oxymorphone concentration variation between CYP2D6 extensive metabolizers (EM) and poor metabolizers (PM). The reliability of the model was tested against published clinical studies monitoring different inhibitors and dose regimens, and all predicted area under the concentration–time curve (AUC) ratios were within the twofold acceptance range. This approach represents a strategy to evaluate the impact of coadministration of different CYP inhibitors using mechanistic incorporation of drug-dependent and system-dependent available in vitro and in vivo data.
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Affiliation(s)
- N Marsousi
- 1] Department of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva University, Geneva, Switzerland [2] Department of Pharmaceutical Analytical Chemistry, School of Pharmaceutical Sciences, Geneva University, Geneva, Switzerland
| | - Y Daali
- 1] Department of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva University, Geneva, Switzerland [2] Swiss Centre for Applied Human Toxicology, Geneva, Switzerland
| | - S Rudaz
- 1] Department of Pharmaceutical Analytical Chemistry, School of Pharmaceutical Sciences, Geneva University, Geneva, Switzerland [2] Swiss Centre for Applied Human Toxicology, Geneva, Switzerland
| | - L Almond
- Simcyp Limited (a Certara Company), Blades Enterprise Centre, Sheffield, UK
| | - H Humphries
- Simcyp Limited (a Certara Company), Blades Enterprise Centre, Sheffield, UK
| | - J Desmeules
- 1] Department of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva University, Geneva, Switzerland [2] Swiss Centre for Applied Human Toxicology, Geneva, Switzerland
| | - C F Samer
- 1] Department of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva University, Geneva, Switzerland [2] Swiss Centre for Applied Human Toxicology, Geneva, Switzerland
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Kokubun H, Yoshimoto T, Hojo M, Fukumura K, Matoba M. Pharmacokinetics of oxycodone after intravenous and subcutaneous administration in Japanese patients with cancer pain. J Pain Palliat Care Pharmacother 2014; 28:338-50. [PMID: 25359452 DOI: 10.3109/15360288.2014.969872] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACT In Japan, Oxycodone hydrochloride injection formulation has been approved in 2012. However, its pharmacokinetics has been poorly studied. The aim of this study is to evaluate the pharmacokinetics of oxycodone after intravenous and subcutaneous administration of oxycodone hydrochloride injection in Japanese patients with cancer pain. Noncompartmental analysis and population pharmacokinetic analysis were performed. We conducted a multicenter open-label study of oxycodone hydrochloride administered as constant infusion with the dose titrated individually according to the pain intensity in patients with cancer pain. Pharmacokinetic parameters for plasma oxycodone and its metabolites were estimated using pharmacokinetics of oxycodone was evaluated using a total of 344 plasma concentrations obtained from 89 patients. The estimated geometric mean clearance (CL) of oxycodone was 24.3 L per hour after constant intravenous infusion and 29.5 L per hour after constant subcutaneous infusion, respectively. Population pharmacokinetic analysis indicated that body surface area was the influencing factor on CL and there were no pharmacokinetic differences for CL between intravenous and subcutaneous infusion. These results provide important information for the clinical use of oxycodone injection.
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Abstract
SUMMARY Opioids are very useful analgesics but reports of abuse, addiction and occasionally death have led to an increase in scrutiny, particularly for chronic opioid therapy. The development of effective antiretroviral therapy has changed the focus of treatment of people living with HIV from palliative care to the management of a chronic disease. It is appropriate, therefore, to review the issues around opioid prescribing in HIV in light of this and recent research, and to review the guidance available. This review briefly examines the epidemiology of pain in people living with HIV and then the use and issues around strong opioid prescribing in this group.
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Affiliation(s)
- Sarah Cox
- Chelsea & Westminster Hospital NHS Foundation Trust, 369 Fulham Road, London, SW10 9NH, UK.
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Söderberg Löfdal KC, Andersson ML, Gustafsson LL. Cytochrome P450-mediated changes in oxycodone pharmacokinetics/pharmacodynamics and their clinical implications. Drugs 2014; 73:533-43. [PMID: 23605691 DOI: 10.1007/s40265-013-0036-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In recent years the use of the opioid oxycodone has increased markedly and replacing morphine as the first-line choice of opioid in several countries. There are formulations for oral immediate, oral extended release and intravenous use. The bioavailability is higher than for morphine and less variable. Oxycodone is primarily metabolized in the liver by the cytochrome P450 (CYP) enzymes with CYP3A as the major metabolic pathway and CYP2D6 as the minor metabolic pathway to noroxycodone, oxymorphone and noroxymorphone. Oxycodone exerts its analgesic effect via the µ-opioid receptor. The metabolism of CYP2D6 substrates varies to a large degree between individuals as a result of allele functionality. Poor metabolizers (PM) have two non-functional alleles, extensive metabolizers (EM) are homozygous with two functional alleles or heterozygous with one functional allele and ultrarapid metabolizers (UM) have more than two functional alleles. There are pronounced interethnic differences in the allele distribution. On the basis of studies performed thus far, oxycodone concentrations in comparison with EM are similar in PM and reduced in UM. The pharmacokinetics in UM are insufficiently investigated. Simultaneous inhibition of both CYP3A and CYP2D6 results in increased oxycodone concentrations and such a combination should be avoided. A similar effect is to be expected with use of a CYP3A inhibitor in CYP2D6 PM. Concomitant use of enzyme inducers such as rifampicin, St John's wort and carbamazepine should be avoided because of the risk of subtherapeutic concentrations of oxycodone. When the dosage of morphine may result in unpredictable bioavailability, like in patients with severe hepatic cirrhosis, oxycodone might be beneficial because it has higher and less variability in bioavailability between patients than morphine.
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Affiliation(s)
- Karin C Söderberg Löfdal
- Department of Clinical Pharmacology, Karolinska University Hospital Huddinge, Stockholm, Sweden.
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In vitro Inhibition of Methadone and Oxycodone Cytochrome P450-Dependent Metabolism: Reversible Inhibition by H2-Receptor Agonists and Proton-Pump Inhibitors. J Anal Toxicol 2013; 37:476-85. [DOI: 10.1093/jat/bkt060] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Abstract
The prevalence of human immunodeficiency virus (HIV) infection among people older than 50 years is increasing. Older HIV-infected patients are particularly at risk for polypharmacy because they often have multiple comorbidities that require pharmacotherapy. Overall, there is not much known with respect to both the impact of aging on medication use in HIV-infected individuals, and the potential for interactions with highly active antiretroviral therapy (HAART) and coadministered medications and its clinical consequences. In this review, we aim to provide an overview of polypharmacy with a focus on its impact on the HIV-infected older adult population and to also provide some clinical considerations in this high-risk population.
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Affiliation(s)
- Lauren J Gleason
- Division of Geriatrics and Aging, Highland Hospital, Rochester, NY 14620, USA
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Klimas R, Witticke D, El Fallah S, Mikus G. Contribution of oxycodone and its metabolites to the overall analgesic effect after oxycodone administration. Expert Opin Drug Metab Toxicol 2013; 9:517-28. [PMID: 23488585 DOI: 10.1517/17425255.2013.779669] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Oxycodone (OC) is an opioid which exerts its analgesic effect through µ-receptors in the brain. It is metabolized through CYP450 enzymes and some of the metabolites show pharmacological activity. The aim of this investigation is to research the contribution of the metabolites of OC to its overall analgesic effect. A further aim was to elucidate the role of drug-drug interactions and CYP2D6 polymorphism. RESEARCH DESIGN AND METHODS The authors performed a literature search to identify published information on: blood concentrations of OC and metabolites, protein binding, blood-brain-barrier behavior and opioid receptor affinity. The authors then calculated the contribution of OC and metabolites to the overall analgesic effect. RESULTS OC itself is responsible for 83.02 and 94.76% of the analgesic effect during p.o. and i.v. administration, respectively. Oxymorphone (OM), which has a much higher affinity for the µ-receptor, only plays a minor role (15.77 and 4.52% for p.o. and i.v., respectively). Although the CYP2D6 genotype modulates OM pharmacokinetics, OC remains the major contributor to the overall analgesic effect. CONCLUSION This article's calculations demonstrate that OC itself is responsible for the analgesic effect. Although OM and noroxymorphone have much higher µ-receptor affinity than the parent drug, the metabolite concentrations at the site of action are very low. This suggests that there is a minimal analgesic effect from these metabolites.
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Affiliation(s)
- Romina Klimas
- University of Heidelberg, Department of Clinical Pharmacology and Pharmacoepidemiology, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
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Olkkola KT, Kontinen VK, Saari TI, Kalso EA. Does the pharmacology of oxycodone justify its increasing use as an analgesic? Trends Pharmacol Sci 2013; 34:206-14. [PMID: 23465410 DOI: 10.1016/j.tips.2013.02.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Revised: 01/28/2013] [Accepted: 02/04/2013] [Indexed: 12/17/2022]
Abstract
Oxycodone is a semisynthetic opioid analgesic that is increasingly used for the treatment of acute, cancer, and chronic non-malignant pain. Oxycodone was synthesized in 1917 but its pharmacological properties were not thoroughly studied until recently. Oxycodone is a fairly selective μ-opioid receptor agonist, but there is a striking discrepancy between the relatively low binding potential and G protein activation by oxycodone and its analgesic efficacy. It has been claimed that this is because of active metabolites and enhanced passage to the central nervous system by active transport. We critically review studies on the basic pharmacology of oxycodone and on its pharmacokinetics and pharmacodynamics in humans. In particular, the role of pharmacogenomics and population pharmacokinetics in understanding the properties of oxycodone is discussed in detail. We compare oxycodone with morphine, the standard opioid in clinical use.
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Affiliation(s)
- Klaus T Olkkola
- Department of Anaesthesiology, Intensive Care, Emergency Care, and Pain Medicine, University of Turku and Turku University Hospital, P.O. Box 52 (Kiinamyllynkatu 4-8), FI-20520 Turku, Finland.
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Abstract
This paper is the thirty-fourth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2011 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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Important Drug-Drug Interactions in HIV-Infected Persons on Antiretroviral Therapy: An Update on New Interactions Between HIV and Non-HIV Drugs. Curr Infect Dis Rep 2012; 14:67-82. [PMID: 22125049 DOI: 10.1007/s11908-011-0229-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Advances in antiretroviral therapy have turned HIV into a chronic, manageable disease. Patients often require treatment for co-morbid conditions as well as HIV, and consequently, pharmacokinetic interactions between antiretrovirals (ARVs) and other drug classes are an increasing concern. Protease inhibitors and non-nucleoside reverse transcriptase inhibitors are involved in the CYP450 or other transporter systems, and may be associated with higher risk of clinically significant drug interactions. One reverse transcriptase inhibitor, abacavir, has demonstrated weak inhibition of CYP3A4, 2D6 and 2C9 in vitro, but is not associated with any clinically significant interactions involving the CYP450 system. The integrase inhibitor raltegravir is not involved in the CYP450 system, and may be a suitable option to use when trying to minimize interactions with other drug classes. This review summarizes recently published data on clinically significant drug interactions between ARVs and other drug classes including antineoplastics, immunosuppressant transplant drugs, directly acting antivirals for hepatitis C, antifungals, antimalarials, corticosteroids, psychotropics, hormonal contraceptives, anticoagulants, drugs for pulmonary hypertension, and herbal products. In situations of suspected or potential interactions, close monitoring is warranted, and dose adjustments or substitutions may be required.
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Vuilleumier PH, Stamer UM, Landau R. Pharmacogenomic considerations in opioid analgesia. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2012; 5:73-87. [PMID: 23226064 PMCID: PMC3513230 DOI: 10.2147/pgpm.s23422] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Indexed: 12/25/2022]
Abstract
Translating pharmacogenetics to clinical practice has been particularly challenging in the context of pain, due to the complexity of this multifaceted phenotype and the overall subjective nature of pain perception and response to analgesia. Overall, numerous genes involved with the pharmacokinetics and dynamics of opioids response are candidate genes in the context of opioid analgesia. The clinical relevance of CYP2D6 genotyping to predict analgesic outcomes is still relatively unknown; the two extremes in CYP2D6 genotype (ultrarapid and poor metabolism) seem to predict pain response and/or adverse effects. Overall, the level of evidence linking genetic variability (CYP2D6 and CYP3A4) to oxycodone response and phenotype (altered biotransformation of oxycodone into oxymorphone and overall clearance of oxycodone and oxymorphone) is strong; however, there has been no randomized clinical trial on the benefits of genetic testing prior to oxycodone therapy. On the other hand, predicting the analgesic response to morphine based on pharmacogenetic testing is more complex; though there was hope that simple genetic testing would allow tailoring morphine doses to provide optimal analgesia, this is unlikely to occur. A variety of polymorphisms clearly influence pain perception and behavior in response to pain. However, the response to analgesics also differs depending on the pain modality and the potential for repeated noxious stimuli, the opioid prescribed, and even its route of administration.
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Affiliation(s)
- Pascal H Vuilleumier
- Klinik für Anästhesiologie und Schmerztherapie, Inselspital Universität Bern, Switzerland
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Peltoniemi MA, Saari TI, Hagelberg NM, Laine K, Kurkinen KJ, Neuvonen PJ, Olkkola KT. Rifampicin has a Profound Effect on the Pharmacokinetics of Oral S-Ketamine and Less on Intravenous S-Ketamine. Basic Clin Pharmacol Toxicol 2012; 111:325-32. [DOI: 10.1111/j.1742-7843.2012.00908.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 05/23/2012] [Indexed: 10/24/2022]
Affiliation(s)
- Marko A. Peltoniemi
- Department of Anesthesiology, Intensive Care, Emergency Care and Pain Medicine; University of Turku and Turku University Hospital; Turku Finland
| | - Teijo I. Saari
- Department of Anesthesiology; Friedrich-Alexander University Erlangen-Nuremberg; Erlangen Germany
| | - Nora M. Hagelberg
- Department of Anesthesiology, Intensive Care, Emergency Care and Pain Medicine; University of Turku and Turku University Hospital; Turku Finland
| | - Kari Laine
- Department of Pharmacology, Drug Development and Therapeutics; University of Turku; Turku Finland
| | - Kaisa J. Kurkinen
- Department of Clinical Pharmacology; University of Helsinki and HUSLAB; Helsinki University Central Hospital; Helsinki Finland
| | - Pertti J. Neuvonen
- Department of Clinical Pharmacology; University of Helsinki and HUSLAB; Helsinki University Central Hospital; Helsinki Finland
| | - Klaus T. Olkkola
- Department of Anesthesiology, Intensive Care, Emergency Care and Pain Medicine; University of Turku and Turku University Hospital; Turku Finland
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Nieminen TH, Hagelberg NM, Saari TI, Grönlund J, Neuvonen PJ, Olkkola KT. Re: Pergolizzi et al. 2011: Exposure to potential CYP450 pharmacokinetic drug-drug interactions. Pain Pract 2012; 12:81-2. [DOI: 10.1111/j.1533-2500.2011.00506.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Daali Y, Ancrenaz V, Bosilkovska M, Dayer P, Desmeules J. Ritonavir inhibits the two main prasugrel bioactivation pathways in vitro: a potential drug-drug interaction in HIV patients. Metabolism 2011; 60:1584-9. [PMID: 21550074 DOI: 10.1016/j.metabol.2011.03.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 03/17/2011] [Accepted: 03/22/2011] [Indexed: 11/24/2022]
Abstract
Prasugrel is an antiplatelet prodrug used in patients with acute coronary syndrome. Prasugrel is mainly bioactivated by cytochromes P450 3A4/5 and CYP2B6. HIV patients are at risk of cardiovascular disease, and the protease inhibitor ritonavir is a potent inhibitor of these 2 CYPs. The aim of this in vitro study was to determine the impact of ritonavir in prasugrel metabolism. Human liver microsomes (HLMs) and recombinant microsomes were used to identify the enzymes responsible for the bioactivation of prasugrel. Prasugrel concentrations of 5 to 200 μM were used for Km determination. Inhibition by ritonavir was characterized using HLMs at concentrations of 0.1 to 30 μM. Prasugrel active metabolite determination was performed with a validated liquid chromatography-mass spectrometry method. Using recombinant microsomes, prasugrel biotransformation was mainly performed by CYP2B6, CYP2D6, CYP2C19, CYP3A4, and CYP3A5. With specific inhibitors of CYP3A, CYP2B6, CYP2D6, CYP2C9, and CYP2C19, active metabolite production was decreased by 38% ± 15% with 4-(4-chlorobenzyl)pyridine (CYP2B6 inhibitor) and by 45 ± 16% with ketoconazole (CYP3A inhibitor). The Km value for prasugrel metabolism in HLMs was determined to be 92.5 μM. Ritonavir at 0.1 to 30 μM was shown to be a potent dose-dependent inhibitor of prasugrel. In this in-vitro study, we found a potent inhibition of prasugrel bioactivation by ritonavir compared to the specific inhibitors of CYP3A and CYP2B6 due to the simultaneous inhibition of CYP2B6 and CYP3A by ritonavir. This finding suggests a potential significant drug-drug interaction between these two drugs.
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Affiliation(s)
- Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.
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Borgmann K, Rao KS, Labhasetwar V, Ghorpade A. Efficacy of Tat-conjugated ritonavir-loaded nanoparticles in reducing HIV-1 replication in monocyte-derived macrophages and cytocompatibility with macrophages and human neurons. AIDS Res Hum Retroviruses 2011; 27:853-62. [PMID: 21175357 DOI: 10.1089/aid.2010.0295] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Human immunodeficiency virus (HIV)-1 targets mononuclear phagocytes (MP), which disseminate infection to organs such as brain, spleen and lymph. Thus MP, which include microglia, tissue macrophages and infiltrating monocyte-derived macrophages (MDM), are important target of anti-HIV-1 drug therapy. Most of the currently used antiretroviral drugs are effective in reducing viral loadin the periphery but cannot effectively eradicate infection from tissue reservoirs such as brain MP. HIV-1 infection of the central nervous system can lead to a wide variety of HIV-1-associated neurocognitive disorders. In this study, we demonstrate that ritonavir-loaded nanoparticles (RNPs) are effective in inhibiting HIV-1 infection of MDM. Reduced infection is observed in multiple read-out systems including reduction of cytopathic effects, HIV-1 p24 protein secretion and production of progeny virions. Furthermore, the RNPs retained antiretroviral efficacy after being removed from MDM cultures. As HIV-1-infected cells in the brain are likely to survive for a long period of time, both acute and chronic infection paradigms were evaluated. Tat-peptide-conjugated RNPs (Tat-RNP) were effective in both short-term and long-term HIV-1-infected MDM. Importantly, we confirm that delivery of RNPs, both with and without Tat-peptide conjugation, is toxic neither to MDM nor to neural cells, which may be bystander targets of the nanoformulations. In conclusion, Tat-NPs could be a safe and effective way of delivering anti-HIV-1 drugs for controlling viral replication occurring within brain MP.
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Affiliation(s)
- Kathleen Borgmann
- Department of Cell Biology and Anatomy, University of North Texas Health Science Center, Fort Worth, Texas
| | - Kavitha S. Rao
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Vinod Labhasetwar
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Anuja Ghorpade
- Department of Cell Biology and Anatomy, University of North Texas Health Science Center, Fort Worth, Texas
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Interaction of oxycodone and voriconazole—a case series of patients with cancer pain supports the findings of randomised controlled studies with healthy subjects. Eur J Clin Pharmacol 2011; 67:863-4. [DOI: 10.1007/s00228-010-0969-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Accepted: 11/28/2010] [Indexed: 10/18/2022]
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