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Opioid substitution

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https://www.readbyqxmd.com/read/27899572/c3-symmetric-opioid-scaffolds-are-ph-responsive-dna-condensation-agents
#1
Natasha McStay, Zara Molphy, Alan Coughlan, Attilio Cafolla, Vickie McKee, Nicholas Gathergood, Andrew Kellett
Herein we report the synthesis of tripodal C3-symmetric opioid scaffolds as high-affinity condensation agents of duplex DNA. Condensation was achieved on both supercoiled and canonical B-DNA structures and identified by agarose electrophoresis, viscosity, turbidity and atomic force microscopy (AFM) measurements. Structurally, the requirement of a tris-opioid scaffold for condensation is demonstrated as both di- (C2-symmetric) and mono-substituted (C1-symmetric) mesitylene-linked opioid derivatives poorly coordinate dsDNA...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27898497/medications-for-addiction-treatment-changing-language-to-improve-care
#2
Sarah E Wakeman
The term medication-assisted treatment has been widely adopted in reference to the use of opioid agonist therapy. Although it is arguably better than the older terms of replacement or substitution therapy, medication-assisted treatment implies that medications are a corollary to whatever the main part of treatment is. No other medication for other health conditions is referred to this way. It has finally been recognized that to improve care and reduce stigma, we must use medically accurate and person-first language, describing those with the disease of addiction as people with substance use disorder...
November 24, 2016: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/27870477/ascending-single-dose-double-blind-placebo-controlled-safety-study-of-noribogaine-in-opioid-dependent-patients
#3
Paul Glue, Gavin Cape, Donna Tunnicliff, Michelle Lockhart, Fred Lam, Noelyn Hung, C Tak Hung, Sarah Harland, Jane Devane, R S Crockett, John Howes, Borje Darpo, Meijian Zhou, Holger Weis, Lawrence Friedhoff
Ibogaine is a psychoactive substance that may reduce opioid withdrawal symptoms. This was the first clinical trial of noribogaine, ibogaine's active metabolite, in patients established on methadone opioid substitution therapy (OST). In this randomized, double-blind, placebo-controlled single ascending-dose study, we evaluated the safety, tolerability, and pharmacokinetics of noribogaine in 27 patients seeking to discontinue methadone OST who had been switched to morphine during the previous week. Noribogaine doses were 60, 120, or 180 mg (n = 6/dose level) or matching placebo (n = 3/dose level)...
November 2016: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/27846264/hepatitis-c-treatment-uptake-among-patients-who-have-received-opioid-substitution-treatment-a-population-based-study
#4
Håvard Midgard, Jørgen G Bramness, Svetlana Skurtveit, John W Haukeland, Olav Dalgard
BACKGROUND AND AIMS: There is limited data on hepatitis C (HCV) treatment uptake among people who inject drugs including individuals receiving opioid substitution treatment (OST). We aimed to calculate cumulative HCV treatment uptake, estimate annual treatment rates, and identify factors associated with HCV treatment among individuals who have received OST in Norway. METHODS: This observational study was based on linked data from The Norwegian Prescription Database and The Norwegian Surveillance System for Communicable Diseases between 2004 and 2013...
2016: PloS One
https://www.readbyqxmd.com/read/27845298/daclatasvir-plus-sofosbuvir-with-or-without-ribavirin-in-real-world-patients-with-hiv-hcv-coinfection-and-advanced-liver-disease
#5
Jürgen K Rockstroh, Patrick Ingiliz, Jörg Petersen, Markus Peck-Radosavljevic, Tania M Welzel, Marc Van der Valk, Yue Zhao, Maria Jesus Jimenez Exposito, Stefan Zeuzem
BACKGROUND: HIV/HCV-coinfected patients respond just as well to modern direct-acting antiviral HCV therapy as HCV-monoinfected patients. However, clinical data for all-oral HCV treatments are sparse in HIV/HCV-coinfected patients with an advanced stage of liver cirrhosis. METHODS: A subanalysis of efficacy and safety for a daclatasvir (DCV) and sofosbuvir (SOF) regimen, with or without ribavirin (RBV), was undertaken in HIV/HCV-coinfected patients with advanced liver disease and no other treatment options enrolled into a European DCV compassionate use programme...
November 15, 2016: Antiviral Therapy
https://www.readbyqxmd.com/read/27834915/opioid-substitution-treatment-planning-in-a-disaster-context-perspectives-from-emergency-management-and-health-professionals-in-aotearoa-new-zealand
#6
Denise Blake, Antonia Lyons
Opioid Substitution Treatment (OST) is a harm reduction strategy enabling opiate consumers to avoid withdrawal symptoms and maintain health and wellbeing. Some research shows that within a disaster context service disruptions and infrastructure damage affect OST services, including problems with accessibility, dosing, and scripts. Currently little is known about planning for OST in the reduction and response phases of a disaster. This study aimed to identify the views of three professional groups working in Aotearoa/New Zealand about OST provision following a disaster...
November 10, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27784231/effect-of-oral-methadone-on-ecg-characteristics-and-endocrine-hormonal-changes-and-their-inter-relationship
#7
Shokoufeh Bonakdaran, Mahdi Hassan Zadeh Daloee, Ali Akhoondpoor Manteghi, Mina Akbarirad, Abdollah Firoozi, Fatemeh Akbarirad
INTRODUCTION: Methadone is the most common opioid in use for opioid substitution therapy. The Relation of methadone and electrocardiographic findings is nearly well known while the relationship between its electrocardiographic indexes and hormonal changes are not well recognized. OBJECTIVE: To evaluate the hormonal changes in patients who are taking methadone maintenance treatment (MMT) and its effects on electrocardiographic indexes, in comparison with healthy control groups...
October 26, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/27780105/initiation-into-prescription-opioid-injection-and-associated-trends-in-heroin-use-among-people-who-use-illicit-drugs
#8
Stephanie Lake, M-J Milloy, Huiru Dong, Kanna Hayashi, Evan Wood, Thomas Kerr, Kora DeBeck
OBJECTIVES: Prescription opioid (PO) injection among people who use illicit drugs (PWUD) is an ongoing concern, yet little is known about drug use trajectories associated with initiating PO injection, including potential associations with heroin use. This study aimed to identify predictors of PO injection initiation among PWUD, and examine trends in heroin use before and after initiating PO injection. METHODS: Data were merged from three cohorts of PWUD recruited between September 2005 and November 2015...
October 20, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/27775955/depression-anxiety-and-stress-among-people-with-chronic-hepatitis-c-virus-infection-and-a-history-of-injecting-drug-use-in-new-south-wales-australia
#9
Emmanuel Fortier, Maryam Alavi, Julie Bruneau, Michelle Micallef, Jacinta Perram, Sanjeev Sockalingam, Adrian J Dunlop, Annie C Balcomb, Carolyn A Day, Carla Treloar, Nicky Bath, Paul S Haber, Gregory J Dore, Jason Grebely
OBJECTIVE: The aims of this study were to assess symptoms of depression, anxiety, and stress and associated sociodemographic factors among people living with chronic hepatitis C virus (HCV) infection with a history of injecting drug use and to assess the association between symptoms of depression, anxiety, or stress and HCV treatment intent, specialist assessment, or treatment uptake. METHODS: The Enhancing Treatment for Hepatitis C in Opioid Substitution Settings was an observational cohort study evaluating the provision of HCV assessment and treatment among people with chronic HCV and a history of injecting drug use, recruited from 9 community health centers and opioid substitution therapy (OST) clinics (New South Wales, Australia)...
October 21, 2016: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/27768990/injection-site-vein-loss-and-soft-tissue-abscesses-associated-with-black-tar-heroin-injection-a-cross-sectional-study-of-two-distinct-populations-in-usa
#10
Phillip J Summers, Isabelle A Struve, Michael S Wilkes, Vaughan W Rees
BACKGROUND: Injection-site vein loss and skin abscesses impose significant morbidity on people who inject drugs (PWID). The two common forms of street heroin available in the USA include black tar and powder heroin. Little research has investigated these different forms of heroin and their potential implications for health outcomes. METHODS: A multiple-choice survey was administered to a sample of 145 participants seeking services at reduction facilities in both Sacramento, CA and greater Boston, MA, USA...
October 18, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27765141/stuck-in-limbo-illicit-drug-users-experiences-with-opioid-maintenance-treatment-and-the-relation-to-recovery
#11
Trond Erik Grønnestad, Hildegunn Sagvaag
OBJECTIVE: The objective of this article is to gain insight into how individuals who frequent open illicit drug scenes experience opioid maintenance treatment (OMT) and investigate how this appears to affect their recovery processes. METHOD: By means of the ethnographic method, one of the researchers spent time in an open illicit drug scene over a 1-year span, and gathered data on individuals who frequent the scene on a regular basis, and their experiences with OMT...
2016: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/27760686/commentary-the-value-of-prep-for-people-who-inject-drugs
#12
Rosalind L Coleman, Susie McLean
INTRODUCTION: The offer of pre-exposure prophylaxis (PrEP) is recommended as an additional option for HIV prevention for people at substantial risk of HIV infection as part of combination HIV prevention approaches. Implementing this depends on integrating PrEP in public health programmes that address risky practices with evidence-based interventions, and that operate in an enabling legal and policy environment for the delivery of health services to those at higher risk of HIV infection...
2016: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/27734745/update-on-pharmacotherapy-for-treatment-of-opioid-use-disorder
#13
Daniel Ayanga, Daryl Shorter, Thomas R Kosten
Opioid Use Disorder (OUD) is a significant public health concern, negatively impacting the medical, psychological, and social domains of an individual's life as well as creating substantial burdens for society. Effective treatment interventions are necessary for reduction of OUD and its consequences. Pharmacotherapy represents a central component of management. Areas covered: This review focuses on pharmacologic strategies for OUD treatment, discussing both primary as well as adjunctive therapy modalities. We will discuss both medications used during detoxification to treat withdrawal, as well as those used as maintenance therapy...
December 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27721146/-and-phenazocine-enantiomers-evaluation-of-their-dual-opioid-agonist-%C3%AF-1-antagonist-properties-and-antinociceptive-effects
#14
O Prezzavento, E Arena, C Sánchez-Fernández, R Turnaturi, C Parenti, A Marrazzo, R Catalano, E Amata, L Pasquinucci, E J Cobos
cis-N-Substituted N-normetazocine enantiomers possess peculiar pharmacological profiles. Indeed, dextro enantiomers bind with high affinity σ1 receptor while opposite enantiomers bind opioid receptors. In spite of their stereochemistry, cis-N-2-phenylethyl N-normetazocine (phenazocine) enantiomers showed mixed opioid/σ1 receptor profiles and a significant in vivo analgesia. To the best of our knowledge, there is no information available regarding the evaluation of σ1 pharmacological profile in the antinociceptive effects of (+)- and (-)-phenazocine...
September 26, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27717366/a-cross-sectional-national-survey-assessing-self-reported-drug-intake-behavior-contact-with-the-primary-sector-and-drug-treatment-among-service-users-of-danish-drug-consumption-rooms
#15
Eva Charlotte Toth, Jette Tegner, Sigurd Lauridsen, Nanna Kappel
BACKGROUND: Drug consumption rooms (DCRs) have been implemented worldwide as a harm-reducing strategy. In 2012, Denmark passed legislation allowing establishment of DCRs. The aim of this study was to identify characteristics and gain knowledge of the way service users use the DCRs including bridge building to specialized health care. Associations between nationality, opioid substitution treatment (OST), drug intake method, and response to staff advice on harm-reducing education was investigated, as well as service user's reasons for using the DCRs, and their perceptions of safety and trust in the DCRs...
October 7, 2016: Harm Reduction Journal
https://www.readbyqxmd.com/read/27717117/have-we-significantly-underestimated-the-capacity-in-the-australian-health-system-to-treat-chronic-hepatitis-c-infection-in-an-interferon-free-era
#16
Iain A Kaan, Geoffrey McCaughan, Tracey Jones
OBJECTIVE: To determine the likely current capacity of accredited treatment centres in treating hepatitis C (HCV) patients with Interferon free Direct Acting (DAA) Antiviral agents in Australia. METHOD: Data was collected from 22 centres before the introduction of DAA therapy - 11 sites from the Study 1 survey and an additional 11 sites from the Study 2 survey. The sites were selected based on consensus by viral hepatitis experts, in consultation with the NSW Agency for Clinical Innovation...
September 26, 2016: Internal Medicine Journal
https://www.readbyqxmd.com/read/27702962/mandatory-provider-review-and-pain-clinic-laws-reduce-the-amounts-of-opioids-prescribed-and-overdose-death-rates
#17
Deborah Dowell, Kun Zhang, Rita K Noonan, Jason M Hockenberry
To address the opioid overdose epidemic in the United States, states have implemented policies to reduce inappropriate opioid prescribing. These policies could affect the coincident heroin overdose epidemic by either driving the substitution of heroin for opioids or reducing simultaneous use of both substances. We used IMS Health's National Prescription Audit and government mortality data to examine the effect of these policies on opioid prescribing and on prescription opioid and heroin overdose death rates in the United States during 2006-13...
October 1, 2016: Health Affairs
https://www.readbyqxmd.com/read/27692189/monitoring-a-prison-opioid-treatment-program-over-a-period-of-change-to-clinical-governance-arrangements-2007-2013
#18
Sarah Larney, Wilson Lai, Kate Dolan, Deborah Zador
BACKGROUND AND AIMS: Opioid substitution therapy (OST) is an effective treatment for opioid dependence that is provided in many correctional settings, including New South Wales (NSW), Australia. In 2011, changes to the clinical governance of the NSW prison OST program were implemented, including a more comprehensive assessment, additional specialist nurses, and centralization of program management and planning. This study aimed to document the NSW prison OST program, and assess the impact of the enhanced clinical governance arrangements on retention in treatment until release, the provision of an OST prescription to patients at release, and presentation to a community OST clinic within 48 hours of release from custody...
November 2016: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/27678551/choice-between-delayed-food-and-immediate-oxycodone-in-rats
#19
Maria E Secci, Julie A Factor, Charles W Schindler, Leigh V Panlilio
RATIONALE: The choice to seek immediate drug effects instead of more meaningful but delayed rewards is a defining feature of addiction. OBJECTIVES: To develop a rodent model of this behavior, we allowed rats to choose between immediate intravenous delivery of the prescription opioid oxycodone (50 μg/kg) and delayed delivery of palatable food pellets. RESULTS: Rats preferred food at delays up to 30 s, but they chose oxycodone and food equally at 60-s delay and preferred oxycodone over food at 120-s delay...
December 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27670244/psychostimulant-drugs-for-cocaine-dependence
#20
Xavier Castells, Ruth Cunill, Clara Pérez-Mañá, Xavier Vidal, Dolors Capellà
BACKGROUND: Cocaine dependence is a severe disorder for which no medication has been approved. Like opioids for heroin dependence, replacement therapy with psychostimulants could be an effective therapy for treatment. OBJECTIVES: To assess the effects of psychostimulants for cocaine abuse and dependence. Specific outcomes include sustained cocaine abstinence and retention in treatment. We also studied the influence of type of drug and comorbid disorders on psychostimulant efficacy...
September 27, 2016: Cochrane Database of Systematic Reviews
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