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https://www.readbyqxmd.com/read/28807904/no-clinically-relevant-drug-drug-interactions-between-methadone-or-buprenorphine-naloxone-and-anti-viral-combination-glecaprevir-and-pibrentasvir
#1
Matthew Kosloski, Weihan Zhao, Armen Asatryan, Jens Kort, Pierre Geoffroy, Wei Liu
The combination of glecaprevir (formerly ABT-493), a nonstructural (NS) protein 3/4A protease inhibitor, and pibrentasvir (formerly ABT-530), a NS5A protein inhibitor, is being developed as treatment for HCV genotype 1-6 infection. The pharmacokinetics, pharmacodynamics, safety, and tolerability of methadone or buprenorphine/naloxone when coadministered with the glecaprevir and pibrentasvir combination in HCV-negative subjects on stable opioid maintenance therapy were investigated in a Phase 1, single-center, two-arm, multiple-dose, open-label sequential study...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28807162/chinese-herbal-medicine-for-the-treatment-of-drug-addiction
#2
Weili Zhu, Yinan Zhang, Yingjie Huang, Lin Lu
This chapter summarizes recent developments in preclinical and clinical research on Chinese herbal medicines and their neurochemical mechanism of action for the treatment of drug addiction. We searched Chinese and English scientific literature and selected several kinds of Chinese herbal medicines that have beneficial effects on drug addiction. Ginseng (Renshen) may be clinically useful for the prevention of opioid abuse and dependence. Rhizoma Corydalis (Yanhusuo) may be used to prevent relapse to chronic drug dependence...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28759635/intolerance-of-uncertainty-in-opioid-dependency-relationship-with-trait-anxiety-and-impulsivity
#3
Julia Garami, Paul Haber, Catherine E Myers, Michael T Allen, Blazej Misiak, Dorota Frydecka, Ahmed A Moustafa
Intolerance of uncertainty (IU) is the tendency to interpret ambiguous situations as threatening and having negative consequences, resulting in feelings of distress and anxiety. IU has been linked to a number of anxiety disorders, and anxiety felt in the face of uncertainty may result in maladaptive behaviors such as impulsive decision making. Although there is strong evidence that anxiety and impulsivity are risk factors for addiction, there is a paucity of research examining the role of IU in this disorder...
2017: PloS One
https://www.readbyqxmd.com/read/28755768/a-naturalistic-study-of-predictors-of-retention-in-treatment-among-emerging-adults-entering-first-buprenorphine-maintenance-treatment-for-opioid-use-disorders
#4
Prabhoo Dayal, Yatan Pal Singh Balhara
INTRODUCTION: Emerging adulthood (between the ages 18-25years) has been conceptualized as a specific developmental stage based on unique psychosocial characteristics. Opioids are commonly used drugs in this population. Few studies have reported predictors of retention in buprenorphine maintenance treatment among opioid-dependent emerging adults, particularly from India. Moreover, no study has examined outcomes with opioid maintenance treatment among emerging adults in non-clinical trial, naturalistic settings...
September 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28753197/corrigendum-low-dose-add-on-memantine-treatment-may-improve-cognitive-performance-and-self-reported-health-conditions-in-opioid-dependent-patients-undergoing-methadone-maintenance-therapy
#5
Yun-Hsuan Chang, Shiou-Lan Chen, Sheng-Yu Lee, Po See Chen, Tzu-Yun Wang, I Hui Lee, Kao Chin Chen, Yen Kuang Yang, Jau-Shyong Hong, Ru-Band Lu
This corrects the article DOI: 10.1038/srep09708.
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28735039/frequency-and-correlates-of-sleep-disturbance-in-methadone-and-buprenorphine-maintained-patients
#6
Kelly E Dunn, Patrick H Finan, D Andrew Tompkins, Eric C Strain
BACKGROUND: Opioid use disorder (OUD) is a significant public health problem, and opioid maintenance treatment (OMT) on methadone or buprenorphine is a common approach. This study characterized sleep impairment in patients maintained on methadone or buprenorphine, and evaluated its association with psychiatric and medical comorbidities. METHODS: Participants (N=185) maintained on methadone (N=125) or buprenorphine (N=60) for OUD completed the Medical Outcomes Study Sleep Scale (MOS) to provide a point-prevalence assessment of sleep impairment...
July 14, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28733101/patterns-of-physician-prescribing-for-opioid-maintenance-treatment-in-ontario-canada-in-2014
#7
Qi Guan, Wayne Khuu, Sheryl Spithoff, Tara Kiran, Meldon Kahan, Mina Tadrous, Diana Martins, Pamela Leece, Tara Gomes
BACKGROUND: Despite concerns surrounding high patient volumes in methadone clinics, little is known about the practice patterns of opioid maintenance therapy (OMT) providers in Ontario. We examined the distribution of these services and how physician characteristics differ based on prescribing volume. METHODS: We conducted a cross-sectional study among prescribers of methadone or buprenorphine to Ontario public drug beneficiaries in 2014 by stratifying physicians into low- (lower 50%), moderate- (51-89%) and high-volume (top 10%) prescribers...
August 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28723731/the-combined-effect-of-cyp2b6-genotype-and-other-candidate-genes-on-a-steady-state-serum-concentration-of-methadone-in-opioid-maintenance-treatment
#8
Marianne K Kringen, Fatemeh Chalabianloo, Jean-Paul Bernard, Jørgen G Bramness, Espen Molden, Gudrun Høiseth
BACKGROUND: A considerable inter-individual variability in methadone pharmacokinetics is seen in patients on methadone maintenance treatment. The aim of this study was to clarify the impact of the reduced function CYP2B6*6 variant allele together with variants in other candidate genes on a steady-state methadone concentration in a naturalistic setting. METHODS: Information of methadone serum concentration, dose, age, gender and CYP2C9, CYP2C19, and CYP2D6 genotypes were collected from a routine therapeutic drug monitoring (TDM) database while variant alleles in CYP2B6 and CYP3A5 were retrospectively genotyped...
July 18, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28716791/factors-associated-with-nicotine-dependence-during-methadone-maintenance-treatment-findings-from-a-multisite-survey-in-vietnam
#9
Huyen Phuc Do, Long Hoang Nguyen, Nhung Phuong Thi Nguyen, Chau Ngo, Huong Lan Thi Nguyen, Giang Tong Le, Linh Khanh Nguyen, Cuong Tat Nguyen, Bach Xuan Tran, Huong Thi Le, Thuc Minh Thi Vu, Huong Thu Thi Phan, Tho Dinh Tran, Carl A Latkin, Michael P Dunne
OBJECTIVES: Smoking is associated with adverse health outcomes among drug users, including those in treatment. To date, however, there has been little evidence about smoking patterns among people receiving opioid-dependence treatment in developing countries. We examined self-reported nicotine dependence and associated factors in a large sample of opioid-dependent patients receiving methadone maintenance treatment (MMT) in northern Vietnam. SETTING: Five clinics in Hanoi (urban area) and Nam Dinh (rural area)...
July 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28699845/development-and-implementation-of-an-alcohol-withdrawal-protocol-using-a-5-item-scale-the-brief-alcohol-withdrawal-scale-baws
#10
Darius A Rastegar, Dinah Applewhite, Anika A H Alvanzo, Christopher Welsh, Timothy Niessen, Edward S Chen
BACKGROUND: The standard of care for management of alcohol withdrawal is symptom-triggered treatment using the Clinical Institute Withdrawal Assessment for Alcohol (CIWA-Ar). Many items of this 10-question scale rely on subjective assessments of withdrawal symptoms, making it time-consuming and cumbersome to use. Therefore, there is interest in shorter and more objective methods to assess alcohol withdrawal symptoms. METHODS: A 6-item withdrawal scale developed at another institution was piloted...
July 12, 2017: Substance Abuse
https://www.readbyqxmd.com/read/28699698/reduced-dosing-and-liability-in-methadone-maintenance-treatment-by-targeting-oestrogen-signal-for-morphine-addiction
#11
Yao-Chang Chiang, Ruey-Yun Wang, Chieh-Liang Huang, Shue-Hwa Chen, Wen-Jing Ho, Hsien-Yuan Lane, Ing-Kang Ho, Hwei-Ting Yang, Wen-Lung Ma
Methadone maintenance treatment (MMT) is the major tapering therapy for morphine addictive patients. There have gender differences reported in response to MMT. This study discovered that the estrogen-response element single nucleotide polymorphism (ERE-SNP; rs16974799, C/T) of cytochrome 2B6 gene (cyp2b6; methadone catabolic enzyme) responded differently to MMT dosing. Oestradiol was associated with high MMT dosing, high enantiomer (R- or S-) of 2-ethylidene-1,5-dimethyl-3,3-dipheny-pyrrolidine (EDDP; methadone metabolite) to methadone ratio and increased drug-seeking behaviour, implicating oestradiol-CYP-EDDP/methadone axis decreasing MMT efficacy...
July 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28698219/the-transcription-factor-c-ebp%C3%AE-in-the-dorsal-root-ganglion-contributes-to-peripheral-nerve-trauma-induced-nociceptive-hypersensitivity
#12
Zhisong Li, Yuanyuan Mao, Lingli Liang, Shaogen Wu, Jingjing Yuan, Kai Mo, Weihua Cai, Qingxiang Mao, Jing Cao, Alex Bekker, Wei Zhang, Yuan-Xiang Tao
Changes in gene transcription in the dorsal root ganglion (DRG) after nerve trauma contribute to the genesis of neuropathic pain. We report that peripheral nerve trauma caused by chronic constriction injury (CCI) increased the abundance of the transcription factor C/EBPβ (CCAAT/enhancer binding protein β) in the DRG. Blocking this increase mitigated the development and maintenance of CCI-induced mechanical, thermal, and cold pain hypersensitivities without affecting basal responses to acute pain and locomotor activity...
July 11, 2017: Science Signaling
https://www.readbyqxmd.com/read/28693573/a-qualitative-assessment-of-an-abstinence-oriented-therapeutic-community-for-prisoners-with-substance-use-disorders-in-kyrgyzstan
#13
Lyuba Azbel, Julia Rozanova, Ingo Michels, Frederick L Altice, Heino Stöver
BACKGROUND: Kyrgyzstan, where HIV is concentrated in prisons and driven by injection drug use, provides a prison-based methadone maintenance therapy program as well as abstinence-oriented therapeutic community based on the 12-step model called the "Clean Zone." We aimed to qualitatively assess how prisoners navigate between these treatment options to understand the persistence of the Clean Zone despite a lack of evidence to support its effectiveness in treating opioid use disorders. METHODS: We conducted an analysis of policy documents and over 60 h of participant observation in February 2016, which included focus groups with a convenience sample of 20 therapeutic community staff members, 110 prisoners across three male and one female prisons, and qualitative interviews with two former Clean Zone participants...
July 10, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28683783/polydrug-abuse-among-opioid-maintenance-treatment-patients-is-related-to-inadequate-dose-of-maintenance-treatment-medicine
#14
Pertti Kalevi Heikman, Leea Hellevi Muhonen, Ilkka Antero Ojanperä
BACKGROUND: Polydrug abuse is a known problem among opioid-dependent patients receiving opioid maintenance treatment (OMT). However, improved laboratory diagnostics is required to reveal polydrug abuse in its current scope. Furthermore, there are few studies focusing on the relationship between polydrug abuse and adequacy of the dose of OMT medicine. This study aimed to evaluate the polydrug abuse among opioid-dependent patients receiving OMT with inadequate (Group IA) and adequate (Group A) doses of OMT medicine as experienced by the patients...
July 6, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28673521/addiction-consultation-services-linking-hospitalized-patients-to-outpatient-addiction-treatment
#15
Paul Trowbridge, Zoe M Weinstein, Todd Kerensky, Payel Roy, Danny Regan, Jeffrey H Samet, Alexander Y Walley
BACKGROUND: Approximately 15% of hospitalized patients have an active substance use disorder (SUD). Starting treatment for SUD, including medications, during acute hospitalizations can engage patients in addiction care. In July 2015, the Boston Medical Center Addiction Consult Service (ACS), began providing inpatient diagnostic, management, and discharge linkage consultations. We describe this implementation. METHODS: The ACS staff recorded SUDs diagnoses and medication recommendations and tracked follow-up data for affiliated outpatient office-based addiction clinics and methadone maintenance programs...
August 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28673437/-i-didn-t-want-to-let-it-go-too-far-the-decisions-and-experiences-of-people-who-inject-drugs-who-received-a-liver-disease-assessment-as-part-of-a-liver-health-promotion-campaign-the-liverlife-study
#16
Alison D Marshall, Jason Grebely, Gregory J Dore, Carla Treloar
BACKGROUND: An open cohort study (LiveRLife) evaluating an intervention integrating non-invasive liver disease assessment via transient elastography (TE) among people who inject drugs (PWID) was conducted in New South Wales, Australia. Participant follow-up occurred 2-16 weeks post-enrolment. It is imperative that PWID understand liver assessment results in order to make informed decisions about their health. The aim of this study was to evaluate the decisions and experiences of participants who received a liver disease assessment, including interpretation of TE score and subsequent health behaviours, using a health literacy framework...
June 30, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28669739/an-evidence-based-recommendation-to-increase-the-dosing-frequency-of-buprenorphine-during-pregnancy
#17
Steve N Caritis, Jaime R Bastian, Hongfei Zhang, Hari Kalluri, Dennis English, Michael England, Stephanie Bobby, Raman Venkataramanan
BACKGROUND: Dose-adjusted plasma concentrations of buprenorphine are significantly decreased during pregnancy compared with the nonpregnant state. This observation suggests that pregnant women may need a higher dose of buprenorphine than nonpregnant individuals to maintain similar drug exposure (plasma concentrations over time after a dose). The current dosing recommendations for buprenorphine during pregnancy address the total daily dose of buprenorphine to be administered, but the frequency of dosing is not clearly addressed...
June 29, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28644196/cebranopadol-a-novel-first-in-class-analgesic-drug-candidate-first-experience-in-patients-with-chronic-low-back-pain-in-a-randomized-clinical-trial
#18
Annette Christoph, Marie-Henriette Eerdekens, Maurits Kok, Gisela Volkers, Rainer Freynhagen
Chronic low back pain (LBP) is a common condition, usually with involvement of nociceptive and neuropathic pain components, high economic burden and impact on quality of life. Cebranopadol is a potent, first-in-class drug candidate with a novel mechanistic approach, combining nociceptin/orphanin FQ peptide and opioid peptide receptor agonism. We conducted the first Phase II, randomized, doubleblind, placebo- and active-controlled trial, evaluating the analgesic efficacy, safety, and tolerability of cebranopadol in patients with moderate to severe chronic LBP with and without neuropathic pain component...
June 21, 2017: Pain
https://www.readbyqxmd.com/read/28621658/zoning-out-methadone-and-rising-opioid-related-deaths-in-ontario-reforms-and-municipal-government-actions
#19
Carol Strike, Miroslav Miskovic
In this commentary, we argue that the use of amendments to bylaws by Ontario cities and municipalities to restrict where and how methadone maintenance treatment (MMT) clinics and pharmacies operate may run counter to efforts to prevent record high rates of opioid-related overdoses. As the province of Ontario seeks to reform the opioid treatment system, it is crucial to understand the structural (e.g., stigma) and treatment system organization factors that drive the actions of municipalities such as those described above...
June 16, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28609422/comparison-table-some-drugs-for-maintenance-treatment-of-opioid-use-disorder
#20
(no author information available yet)
No abstract text is available yet for this article.
May 22, 2017: Medical Letter on Drugs and Therapeutics
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