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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
#1
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
#2
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-brief-alcohol-withdrawal-scale-baws
#3
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) scale. 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: We initially piloted a 6-item withdrawal scale developed at another institution...
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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 to the non-pregnant state. This observation suggests that pregnant women may need a higher dose of buprenorphine than non-pregnant individuals in order 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
#11
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
#12
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
#13
(no author information available yet)
No abstract text is available yet for this article.
May 22, 2017: Medical Letter on Drugs and Therapeutics
https://www.readbyqxmd.com/read/28600725/tolerability-safety-and-effectiveness-of-oxycodone-deterx-in-elderly-patients-%C3%A2-65%C3%A2-years-of-age-with-chronic-low-back-pain-a-randomized-controlled-trial
#14
Ernest A Kopecky, Ben Vaughn, Scott Lagasse, Melinda O'Connor
TRIAL DESIGN: This was a phase III, randomized withdrawal, double-blind, placebo-controlled, enriched enrollment, parallel-group, multicenter study intended to demonstrate the safety, tolerability, and analgesic efficacy of oxycodone DETERx(®) (Xtampza™ ER) compared with matching placebo. METHODS: This post hoc analysis was performed using data from a subpopulation of enrolled patients who were ≥65 years of age. The study enrolled male and female patients with a clinical diagnosis of moderate-to-severe chronic low back pain for a minimum of 6 months prior to screening who required around-the-clock opioid therapy...
June 10, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28579787/the-impact-of-comorbid-psychiatric-disorders-on-methadone-maintenance-treatment-in-opioid-use-disorder-a-prospective-cohort-study
#15
Tea Rosic, Leen Naji, Monica Bawor, Brittany B Dennis, Carolyn Plater, David C Marsh, Lehana Thabane, Zainab Samaan
OBJECTIVE: There is a significant interindividual variability in treatment outcomes in methadone maintenance treatment (MMT) for opioid use disorder (OUD). This prospective cohort study examines the impact of comorbid psychiatric disorders on continued illicit opioid use in patients receiving MMT for OUD. METHODS: Data were collected from 935 patients receiving MMT in outpatient clinics between June 2011 and June 2015. Using linear regression analysis, we evaluated the impact of having a comorbid psychiatric disorder on continued illicit opioid use during MMT, adjusting for important confounders...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28574738/characteristics-and-outcome-of-male-and-female-methadone-maintenance-patients-mmt-in-tel-aviv-and-las-vegas
#16
Miriam Adelson, Shirley Linzy, Einat Peles
To compare in methadone maintenance treatment (MMT) gender characteristics and outcomes, all patients ever admitted to Tel Aviv (TA) MMT clinic (N = 837) (June 1993-December 2014) and Las Vegas (LV) MMT clinic (N = 1256) (February 2000-June 2015) were prospectively followed-up (until June 2016). Drugs in urine on admission and after one year and long-term retention up to 23 and 16 years, respectively, were analyzed. Females in both clinics admitted younger than males and following shorter duration of opioid usage (TA: n = 215, 25...
June 2, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28554599/pharmacokinetics-and-pharmacodynamics-of-a-buprenorphine-subcutaneous-depot-formulation-cam2038-for-once-weekly-dosing-in-patients-with-opioid-use-disorder
#17
Christian Haasen, Margareta Linden, Fredrik Tiberg
INTRODUCTION: Sublingual buprenorphine is effective for opioid dependence treatment but associated with misuse, abuse, and diversion. The present Phase I/II study evaluated a novel buprenorphine subcutaneous depot formulation for once-weekly dosing (CAM2038 q1w) in patients receiving maintenance treatment for opioid use disorder with daily sublingual buprenorphine. METHODS: After discontinuation of buprenorphine for 48h, patients received a single CAM2038 q1w dose based on their pre-study daily sublingual maintenance dose...
July 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28554598/baseline-risk-factors-for-drug-use-among-african-american-patients-during-first-month-induction-stabilization-on-methadone
#18
Jamey J Lister, Mark K Greenwald, David M Ledgerwood
Drug use during methadone induction/stabilization negatively influences later methadone-maintenance-treatment [MMT] outcomes (retention, abstinence). Our study examined the association of baseline risk factors to drug use during the first month of methadone treatment as well as longer-term treatment retention. We conducted these analyses among a race/ethnic minority group at high risk for worse MMT outcomes. African-American MMT patients (N=212) were interviewed at intake to assess clinical (drug use history), psychosocial (close family member substance abuse, psychosocial problems), and demographic factors...
July 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28548574/overdose-education-and-naloxone-distribution-for-veterans-with-opioid-use-disorder-results-from-a-pilot-initiative
#19
Grace Chang, Michelle Davids, Alan Kershaw
Patients with opioid use disorder are at a high risk of overdose. To minimize that risk, a program offering intranasal naloxone rescue kits was piloted at a Veterans Administration Hospital. The purpose of this study was to characterize veterans who accepted these potentially lifesaving kits. Retrospective medical chart review of 158 veterans with opioid use disorder receiving treatment on either the inpatient psychiatry detoxification units or outpatient methadone maintenance setting who were offered overdose education and naloxone rescue kits...
May 26, 2017: Journal of Addictive Diseases
https://www.readbyqxmd.com/read/28509817/modified-delphi-process-for-the-development-of-choosing-wisely-for-inflammatory-bowel-disease
#20
Geoffrey C Nguyen, Karen Boland, Waqqas Afif, Brian Bressler, Jennifer L Jones, Adam V Weizman, Sharyle Fowler, Smita Halder, Vivian W Huang, Gilaad G Kaplan, Reena Khanna, Sanjay K Murthy, Joannie Ruel, Cynthia H Seow, Laura E Targownik, Tanya Chawla, Luis Guimaraes, Aida Fernandes, Sherif Saleh, Gil Y Melmed
BACKGROUND AND AIMS: The prevalence and incidence of inflammatory bowel disease (IBD) in North America is among the highest in the world and imparts substantial direct and indirect medical costs. The Choosing Wisely Campaign was launched in wide variety of medical specialties and disciplines to reduce unnecessary or harmful tests or treatment interventions. METHODS: The Choosing Wisely list for IBD was developed by the Canadian IBD Network for Research and Growth in Quality Improvement (CINERGI) in collaboration with Crohn's and Colitis Canada (CCC) and the Canadian Association of Gastroenterology (CAG)...
June 2017: Inflammatory Bowel Diseases
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