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Opioid substitution

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https://www.readbyqxmd.com/read/28327378/gender-related-psychopathology-in-opioid-use-disorder-results-from-a-representative-sample-of-italian-addiction-services
#1
Beniamino Leone, Marco Di Nicola, Lorenzo Moccia, Mauro Pettorruso, Luisa De Risio, Giuseppe Nucara, Lorenzo Zamboni, Antonino Callea, Luigi Janiri, Mauro Cibin, Fabio Lugoboni
AIMS: Gender and psychiatric comorbidity seem to influence patients' inter-individual response to Opioid Substitution Treatments (OST) in Opioid Use Disorder (OUD) management. The aim of the study was to assess psychopathological dimensions in an Italian sample of OUD individuals entering a methadone/buprenorphine maintenance program; secondary, we evaluated the possible gender-specific differences within the psychopathological profiles. METHODS: In a cross-sectional study, we recruited 1052 (792 male; 260 female) OUD subjects receiving OST...
March 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28325527/collaborative-pharmacist-prescribing-within-the-opioid-substitution-treatment-program-in-south-australia-patient-and-pharmacist-views
#2
Phuong-Phi Le, Annette Braunack-Mayer, Caroline Laurence
There is a shortage of medical practitioners able and/or willing to prescribe OST. This qualitative study investigated an alternative model of care where by pharmacists co-prescribed with an accredited doctor for OST patients. Semi-structured face-to-face interviews with 14 OST patients were conducted at a state government drug and alcohol clinic about their views on pharmacist prescribing OST for them. In the second phase of the study, three focus group interviews with 18 pharmacists were conducted to explore their views on a policy proposal which would allow them to co-prescribe for OST patients...
February 27, 2017: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/28323752/impact-of-opioid-substitution-therapy-on-the-hiv-prevention-benefit-of-antiretroviral-therapy-for-people-who-inject-drugs
#3
Christinah Mukandavire, Andrea Low, Gitau Mburu, Adam Trickey, Margaret T May, Charlotte F Davies, Clare E French, Katharine J Looker, Tim Rhodes, Lucy Platt, Andy Guise, Matthew Hickman, Peter Vickerman
OBJECTIVE: A recent meta-analysis suggested that opioid substitution therapy (OST) increased uptake of anti-retroviral treatment (ART) and HIV viral suppression. We modelled whether OST could improve the HIV prevention benefit achieved by ART amongst people who inject drugs (PWID). METHODS: We modelled how introducing OST could improve the coverage of ART across a PWID population for different baseline ART coverage levels. Using existing data on how yearly HIV-transmission risk is related to HIV plasma viral load, changes in the level of viral suppression across the population were used to project the relative reduction in yearly HIV-transmission risk achieved by ART, with or without OST, compared to if there was no ART - defined here as the prevention effectiveness of ART...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28322465/opioid-substitution-therapy-or-hidden-opioids-are-a-minefield-for-nalmefene-an-atypical-case-series-of-11-patients-in-lorraine
#4
Melissa Yéléhé-Okouma, Hervé Martini, Jérémie Lemarié, Pierre Labroca, Nadine Petitpain, Valérie Gibaja, François Paille, Pierre Gillet
Opioid antagonists such as naltrexone and nalmefene are used in drug therapy for alcoholism. Nalmefene, approved in Europe in February 2013 for the reduction of alcohol consumption is used in patients with alcohol dependence. We report 11 cases of opioid withdrawal syndrome after a single dose of nalmefene in patients usually treated with methadone, buprenorphine, but also with fentanyl or loperamide. Nalmefene is both a partial agonist and an antagonist of opioid receptors. Regarding to its opioid antagonist activity, nalmefene is contraindicated in patients with an opioid treatment...
March 21, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28318893/design-and-characterization-of-opioid-ligands-based-on-cycle-in-macrocycle-scaffold
#5
Anna Adamska-Bartłomiejczyk, Rossella De Marco, Luca Gentilucci, Alicja Kluczyk, Anna Janecka
The study reports on a series of novel cyclopeptides based on the structure Tyr-[d-Lys-Phe-Phe-Asp]NH2, a mixed mu and kappa opioid receptor agonist with low nanomolar affinity, in which Phe(4) residue was substituted by cyclic amino acids, such as Pro or its six-membered surrogates, piperidine-2-, 3- or 4-carboxylic acids (Pip, Nip and Inp, respectively). All derivatives exhibited high mu- and moderate delta-opioid receptor affinity, and almost no binding to the kappa-opioid receptor. Conformational analysis suggested that the cis conformation of the peptide bond Phe(3)-Xaa(4) influences receptor selectivity through the control of the position of Phe(3) side chain...
February 28, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28314512/modulation-of-opioid-receptor-affinity-and-efficacy-via-n-substitution-of-9%C3%AE-hydroxy-5-3-hydroxyphenyl-morphan-synthesis-and-computer-simulation-study
#6
Phong M Truong, Sergio A Hassan, Yong-Sok Lee, Theresa A Kopajtic, Jonathan L Katz, Aaron M Chadderdon, John R Traynor, Jeffrey R Deschamps, Arthur E Jacobson, Kenner C Rice
The enantiomers of a variety of N-alkyl-, N-aralkyl-, and N-cyclopropylalkyl-9β-hydroxy-5-(3-hydroxyphenyl)morphans were synthesized employing cyanogen bromide and K2CO3 to improve the original N-demethylation procedure. Their binding affinity to the μ-, δ-, and κ-opioid receptors (ORs) was determined and functional (GTPγ(35)S) assays were carried out on those with reasonable affinity. The 1R,5R,9S-enantiomers (1R,5R,9S)-(-)-5-(3-hydroxyphenyl)-2-(4-nitrophenethyl)-2-azabicyclo[3.3.1]nonan-9-ol (1R,5R,9S-16), (1R,5R,9S)-(-) 2-cinnamyl-5-(3-hydroxyphenyl)-2-azabicyclo[3...
March 1, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28303199/hiv-aids-in-the-south-east-asia-region-progress-and-challenges
#7
EDITORIAL
Razia Pendse, Somya Gupta, Dongbao Yu, Swarup Sarkar
The South-East Asia region, with 11 member states, has an estimated 3.5 million people living with HIV (PLHIV). More than 99% of PLHIV live in five countries where HIV prevalence among the population aged 15-49 remains low but is between 2% and 29% among key populations. Since 2010, the region has made progress to combat the epidemic. Mature condom programmes exist in most countries but opioid substitution therapy, and needle and syringe exchange programmes need to be scaled up. HIV testing is recommended nationwide in four countries and is prioritised in high prevalence areas or for key populations in the rest...
November 28, 2016: Journal of Virus Eradication
https://www.readbyqxmd.com/read/28299720/ketamine-infusion-as-a-counter-measure-for-opioid-tolerance-in-mechanically-ventilated-children-a-pilot-study
#8
Felix Neunhoeffer, Anja Hanser, Martin Esslinger, Vanja Icheva, Matthias Kumpf, Ines Gerbig, Michael Hofbeck, Jörg Michel
BACKGROUND: Drug rotation to prevent opioid tolerance is well recognized in chronic pain management. However, ketamine infusion as a counter measure for opioid tolerance is rarely described in mechanically ventilated children developing tolerance from prolonged opioid infusion. PATIENTS AND METHODS: We performed a retrospective study in a 14-bed medical-surgical-cardiac pediatric intensive care unit. Thirty-two mechanically ventilated children who had developed tolerance from prolonged intravenous infusion of opioids received a continuous intravenous infusion of ketamine as an opioid substitute for more than 2 days, scheduled in a drug rotation protocol...
March 15, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28281354/integrated-opioid-substitution-therapy-and-hiv-care-a-qualitative-systematic-review-and-synthesis-of-client-and-provider-experiences
#9
Andy Guise, Maureen Seguin, Gitau Mburu, Susie McLean, Pippa Grenfell, Zahed Islam, Sergii Filippovych, Happy Assan, Andrea Low, Peter Vickerman, Tim Rhodes
People who use drugs in many contexts have limited access to opioid substitution therapy and HIV care. Service integration is one strategy identified to support increased access. We reviewed and synthesized literature exploring client and provider experiences of integrated opioid substitution therapy and HIV care to identify acceptable approaches to care delivery. We systematically reviewed qualitative literature. We searched nine bibliographic databases, supplemented by manual searches of reference lists of articles from the database search, relevant journals, conferences, key organizations and consultation with experts...
March 10, 2017: AIDS Care
https://www.readbyqxmd.com/read/28258833/changes-in-substance-use-in-patients-receiving-opioid-substitution-therapy-and-resulting-clinical-challenges-a-17-year-treatment-case-register-analysis
#10
Marcus Herdener, Kenneth M Dürsteler, Erich Seifritz, Carlos Nordt
BACKGROUND: Although the beneficial effects of opioid substitution for the reduction of heroin use are well established, its effect on other substance use is unclear. We aimed to evaluate short-term and long-term changes in substance use in opioid-dependent patients on opioid substitution therapy. We focused on frequent use of heroin, cocaine, benzodiazepines, and alcohol under naturalistic conditions (ie, with non-selected patients and clinical practice as usual) over 17 years. METHODS: This was a treatment case register analysis...
February 28, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28258832/alcohol-problems-need-more-attention-in-patients-receiving-long-term-opioid-substitution-therapy
#11
Wayne D Hall, John Strang
No abstract text is available yet for this article.
February 28, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28256374/original-endomorphin-1-analogues-exhibit-good-analgesic-effects
#12
Yanjing Wu, Xinyi Zhao, Yongan Gan, Xuehong Zhang, Hongbin Wei, Lewei Wang, Xiaolei Liang, Xuelin Gao, Ying Liu, Junping Hu, Yiqing Wang
A new class of endomorphin-1 analogues was synthesized by combining successful chemical modifications including N-terminal guanidino modification, Phe(4) was chlorinated, D-Ala-Gly Substituted L-Pro(2). Their bioactivities were measured by radioligand binding assay, metabolic stability and the tail-flick test. In radioligand binding assays, analogue GAGPC (N(α)-Amidino-Tyr-D-Ala-Gly-Trp-p-Cl-Phe-NH2), shown a μ-opioid receptor affinity about 1.42-fold higher and a 2.51-fold higher δ-opioid receptor affinity than EM-1...
April 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28237362/intravenous-buprenorphine-a-substitute-for-naloxone-in-methadone-overdosed-patients
#13
Nasim Zamani, Hossein Hassanian-Moghaddam
Administration of naloxone is a common treatment for opioid-dependent patients who present with respiratory depression. Although safe in opioid-naive patients, naloxone may cause severe and even life-threatening complications in opioid-dependent patients, including acute respiratory distress syndrome and myocardial infarction. It has been suggested that administration of buprenorphine, a partial μ-opioid receptor agonist, to an opioid-intoxicated patient may result in reversal of respiratory depression with less severe withdrawal signs and symptoms...
February 23, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28231439/the-rights-of-drug-treatment-patients-experience-of-addiction-treatment-in-poland-from-a-human-rights-perspective
#14
Justyna Klingemann
BACKGROUND: Drug dependence is a recognized medical condition and therefore, right to health applies in the same way to drug dependence as it does to any other health condition. The human rights in patient care framework - which refers to the application of basic human rights principles in the delivery of health care services - was used to explore the experiences of equality in the dignity and rights protected by Polish law within four different specialist drug treatment settings in Poland...
February 20, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28220474/buprenorphine-for-managing-opioid-withdrawal
#15
REVIEW
Linda Gowing, Robert Ali, Jason M White, Dalitso Mbewe
BACKGROUND: Managed withdrawal is a necessary step prior to drug-free treatment or as the endpoint of substitution treatment. OBJECTIVES: To assess the effects of buprenorphine versus tapered doses of methadone, alpha2-adrenergic agonists, symptomatic medications or placebo, or different buprenorphine regimens for managing opioid withdrawal, in terms of the intensity of the withdrawal syndrome experienced, duration and completion of treatment, and adverse effects...
February 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28209683/evaluation-of-6-remote-first-nations-community-based-buprenorphine-programs-in-northwestern-ontario-retrospective-study
#16
Solomon Mamakwa, Meldon Kahan, Dinah Kanate, Mike Kirlew, David Folk, Sharon Cirone, Sara Rea, Pierre Parsons, Craig Edwards, Janet Gordon, Fiona Main, Len Kelly
OBJECTIVE: To evaluate established opioid addiction treatment programs that use traditional healing in combination with buprenorphine-naloxone maintenance treatment in 6 First Nations communities in the Sioux Lookout region of northwestern Ontario. DESIGN: Retrospective cohort study. SETTING: Six First Nations communities in northwestern Ontario. PARTICIPANTS: A total of 526 First Nations participants in opioid-dependence treatment programs...
February 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28160345/does-exposure-to-opioid-substitution-treatment-in-prison-reduce-the-risk-of-death-after-release-a-national-prospective-observational-study-in-england
#17
John Marsden, Garry Stillwell, Hayley Jones, Alisha Cooper, Brian Eastwood, Michael Farrell, Tim Lowden, Nino Maddalena, Chris Metcalfe, Jenny Shaw, Matthew Hickman
BACKGROUND AND AIMS: People with opioid use disorder (OUD) in prison face an acute risk of death after release. We estimated whether prison-based opioid substitution treatment (OST) reduces this risk. DESIGN: Prospective observational cohort study using prison healthcare, national community drug misuse treatment and deaths registers. SETTING: Recruitment at 39 adult prisons in England (32 male; 7 female) accounting for 95% of OST treatment in England during study planning...
February 4, 2017: Addiction
https://www.readbyqxmd.com/read/28158929/the-analgesic-and-anti-inflammatory-effects-of-salvinorin-a-analogue-%C3%AE-tetrahydropyran-salvinorin-b-in-mice
#18
K F Paton, N Kumar, R S Crowley, J L Harper, T E Prisinzano, B M Kivell
BACKGROUND: Drugs activating the mu opioid receptor are routinely used to treat severe acute and chronic pain. Unfortunately, side effects including nausea, constipation, respiratory depression, addiction and tolerance can limit clinical utility. In contrast, kappa opioid receptor (KOPr) agonists, such as Salvinorin A (SalA), have analgesic properties with little potential for abuse. METHODS: We evaluated SalA and the novel analogue β-tetrahydropyran Salvinorin B (β-THP SalB) for the ability to modulate pain and inflammation in vivo...
February 3, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28155249/are-uk-opioid-substitution-treatment-agencies-fit-for-purpose
#19
Duncan Raistrick
No abstract text is available yet for this article.
February 2, 2017: Addiction
https://www.readbyqxmd.com/read/28130810/shift-in-disparities-in-hepatitis-c-treatment-from-interferon-to-daa-era-a-population-based-cohort-study
#20
N Z Janjua, N Islam, J Wong, E M Yoshida, A Ramji, H Samji, Z A Butt, M Chong, D Cook, M Alvarez, M Darvishian, M Tyndall, M Krajden
We evaluated the shift in the characteristics of people who received interferon-based hepatitis C virus (HCV) treatments and those who received recently introduced direct-acting antivirals (DAAs) in British Columbia (BC), Canada. The BC Hepatitis Testers Cohort includes 1.5 million individuals tested for HCV or HIV, or reported cases of hepatitis B and active tuberculosis in BC from 1990 to 2013 linked to medical visits, hospitalization, cancer, prescription drugs and mortality data. This analysis included all patients who filled at least one prescription for HCV treatment until 31 July 2015...
January 27, 2017: Journal of Viral Hepatitis
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