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Opioid substitution

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https://www.readbyqxmd.com/read/28511053/opioid-analgesics-and-heroin-examining-drug-misuse-trends-among-a-sample-of-drug-treatment-clients-in-kentucky
#1
Grant A Victor, Robert Walker, Jennifer Cole, T K Logan
BACKGROUND: In an effort to mitigate Kentucky's prescription drug misuse, legislative intervention efforts were introduced in 2012 and 2013 to better regulate pain clinics, prescribed use of opioid analgesics, and to expand the monitoring of opioid prescriptions. The focus of this paper is primarily on opioid analgesics and heroin and the relationship of use/misuse patterns of these drugs to state drug policy initiatives. METHODS: A secondary data analysis of drug treatment clients (N=52,360) was conducted to project illicit drug use trends in Kentucky...
May 13, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28501425/the-effects-of-kratom-on-restraint-stress-induced-analgesia-and-its-mechanisms-of-action
#2
José Luis Vázquez López, Lorenz Schild, Thomas Günther, Stefan Schulz, Hartmud Neurath, Axel Becker
ETHNOPHARMACOLOGICAL RELEVANCE: Mitragyna speciosa and its extracts are called kratom (dried leaves, extract). They contain several alkaloids with an affinity for different opioid receptors. They are used in traditional medicine for the treatment of different diseases, as a substitute by opiate addicts, and to mitigate opioid withdrawal symptoms. Apart from their medical properties, they are used to enhance physical endurance and as a means of overcoming stress. PURPOSE: The aim of this study was to determine the mechanisms underlying the effects of kratom on restraint-stress-induced analgesia which occurs during or following exposure to a stressful or fearful stimulus...
May 10, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28499731/discovery-of-n-substituted-endo-3-8-aza-bicyclo-3-2-1-oct-3-yl-phenol-and-phenyl-carboxamide-series-of-%C3%AE-opioid-receptor-antagonists
#3
Lan Jiang, David T Beattie, John R Jacobsen, Samuel Kintz, Glenmar P Obedencio, Daisuke Saito, Ioanna Stergiades, Ross G Vickery, Daniel D Long
Gastrointestinal dysfunction as a consequence of the use of opioid analgesics is of significant clinical concern. First generation drugs to treat these opioid-induced side-effects were limited by their negative impact on opioid receptor agonist-induced analgesia. Second generation therapies target a localized, peripherally-restricted, non-CNS penetrant drug distribution of opioid receptor antagonists. Herein we describe the discovery of the N-substituted-endo-3-(8-aza-bicyclo[3.2.1]oct-3-yl)-phenol and -phenyl carboxamide series of μ-opioid receptor antagonists...
May 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28496355/cannabis-as-a-substitute-for-prescription-drugs-a-cross-sectional-study
#4
James M Corroon, Laurie K Mischley, Michelle Sexton
BACKGROUND: The use of medical cannabis is increasing, most commonly for pain, anxiety and depression. Emerging data suggest that use and abuse of prescription drugs may be decreasing in states where medical cannabis is legal. The aim of this study was to survey cannabis users to determine whether they had intentionally substituted cannabis for prescription drugs. METHODS: A total of 2,774 individuals were a self-selected convenience sample who reported having used cannabis at least once in the previous 90 days...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28489467/use-of-opioid-substitution-therapies-in-the-treatment-of-opioid-use-disorder-results-of-a-uk-cost-effectiveness-modelling-study
#5
James Kenworthy, Yunni Yi, Antony Wright, Jim Brown, Ana Maria Madrigal, William C N Dunlop
AIMS: We investigated the cost-effectiveness of buprenorphine maintenance treatment (BMT) and methadone maintenance treatment (MMT) versus no opioid substitution therapy (OST) for the treatment of opioid use disorder, from the UK National Health Service (NHS)/personal social services (PSS) and societal perspectives over one year. METHODS: Cost-effectiveness of OST versus no OST was evaluated by first replicating and then expanding an existing UK health technology assessment model...
May 10, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28484399/biochemical-benefits-diagnosis-and-clinical-risks-evaluation-of-kratom
#6
REVIEW
Dimy Fluyau, Neelambika Revadigar
BACKGROUND: Kratom (Mitragyna speciosa) is a tropical tree with a long history of traditional use in parts of Africa and Southeast Asia. Kratom is also known as Thom, Thang, and Biak. Its leaves and the teas brewed from them have long been used by people in that region to manage pain and opioid withdrawal and to stave off fatigue. Kratom is actually consumed throughout the world for its stimulant effects and as an opioid substitute (in form of tea, chewed, smoked, or ingested in capsules)...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28477061/chronic-hepatitis-c-treatment-in-patients-with-drug-injection-history-findings-of-the-integrate-prospective-observational-study
#7
Geert Robaeys, Stefan Christensen, Damien Lucidarme, Amber Arain, Philip Bruggmann, Jan Kunkel, Sofia Keim, Martin Jäkel, Ralph DeMasi, Chris Liu, Isabelle Lonjon-Domanec, Graham R Foster
INTRODUCTION: People who inject drugs represent an under-treated chronic hepatitis C virus (HCV)-infected patient population. METHODS: INTEGRATE was a prospective, observational study investigating the effectiveness, safety, and adherence in routine clinical practice to telaprevir in combination with peg-interferon and ribavirin (Peg-IFN/RBV) in patients with history of injecting drug use chronically infected with genotype 1 HCV. RESULTS: A total of 46 patients were enrolled and included in the intent-to-treat (ITT) population...
May 5, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28473157/co-occurring-attention-deficit-hyperactivity-disorder-symptoms-in-adults-affected-by-heroin-dependence-patients-characteristics-and-treatment-needs
#8
Fabio Lugoboni, Frances Rudnick Levin, Maria Chiara Pieri, Matteo Manfredini, Lorenzo Zamboni, Lorenzo Somaini, Gilberto Gerra, Gruppo InterSert Collaborazione Scientifica Gics
Attention Deficit Hyperactivity Disorder (ADHD) is a risk for substance use disorders. The aim of this study was to investigate the association between adult ADHD symptoms, opioid use disorder, life dysfunction and co-occurring psychiatric symptoms. 1057 heroin dependent patients on opioid substitution treatment participated in the survey. All patients were screened for adult ADHD symptoms using the Adult ADHD Self-Report Scale (ASRS-v1.1). 19.4% of the patients screened positive for concurrent adult ADHD symptoms status and heroin dependence...
April 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28463684/longitudinal-analysis-of-change-in-individual-level-needle-and-syringe-coverage-amongst-a-cohort-of-people-who-inject-drugs-in-melbourne-australia
#9
Daniel O'Keefe, Nick Scott, Campbell Aitken, Paul Dietze
BACKGROUND: Needle and syringe program (NSP) coverage is often calculated at the individual level. This method relates sterile needle and syringe acquisition to injecting frequency, resulting in a percentage of injecting episodes that utilise a sterile syringe. Most previous research using this method was restricted by their cross-sectional design, calling for longitudinal exploration of coverage. METHODS: We used the data of 518 participants from an ongoing cohort of people who inject drugs in Melbourne, Australia...
April 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28458076/a-comparison-of-bone-quality-and-its-determinants-in-young-opioid-dependent-women-with-healthy-control-group
#10
Zenghui Ding, Yanyan Chen, Xi Wang, Xu Zhou, Yang Xu, Zuchang Ma, Yining Sun, Ming Jiang
BACKGROUND: Little is known about bone quality and its determinants in patients with opioid addiction. The goal of this study was to compare bone quality and its determinants in young opioid addicted women with a local group of young healthy women. METHOD: Using cross-sectional design, 104 women (mean age 29.9 yrs, range: 20-40 yrs, SD=7.8) with previous opioid addiction and current methadone substitution (3-30mg, daily) for 1-16 weeks were compared to 117 healthy women (mean age 31...
April 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28454045/canadian-harm-reduction-policies-a-comparative-content-analysis-of-provincial-and-territorial-documents-2000-2015
#11
REVIEW
T Cameron Wild, Bernie Pauly, Lynne Belle-Isle, Walter Cavalieri, Richard Elliott, Carol Strike, Kenneth Tupper, Andrew Hathaway, Colleen Dell, Donald MacPherson, Caitlin Sinclair, Kamagaju Karekezi, Benjamin Tan, Elaine Hyshka
BACKGROUND: Access to harm reduction interventions among substance users across Canada is highly variable, and largely within the policy jurisdiction of the provinces and territories. This study systematically described variation in policy frameworks guiding harm reduction services among Canadian provinces and territories as part of the first national multimethod case study of harm reduction policy. METHODS: Systematic and purposive searches identified publicly-accessible policy texts guiding planning and organization of one or more of seven targeted harm reduction services: needle distribution, naloxone, supervised injection/consumption, low-threshold opioid substitution (or maintenance) treatment, buprenorphine/naloxone (suboxone), drug checking, and safer inhalation kits...
April 25, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28447766/supervised-dosing-with-a-long-acting-opioid-medication-in-the-management-of-opioid-dependence
#12
REVIEW
Rosella Saulle, Simona Vecchi, Linda Gowing
BACKGROUND: Opioid dependence (OD) is an increasing clinical and public health problem worldwide. International guidelines recommend opioid substitution treatment (OST), such as methadone and buprenorphine, as first-line medication treatment for OD. A negative aspect of OST is that the medication used can be diverted both through sale on the black market, and the unsanctioned use of medications. Daily supervised administration of medications used in OST has the advantage of reducing the risk of diversion, and may promote therapeutic engagement, potentially enhancing the psychosocial aspect of OST, but costs more and is more restrictive on the client than dispensing for off-site consumption...
April 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28446883/in-vitro-and-in-vivo-profile-of-ppl-101-and-ppl-103-mixed-opioid-partial-agonist-analgesics-with-low-abuse-potential
#13
Taline V Khroyan, Andrea Cippitelli, Nicholas Toll, John A Lawson, William Crossman, Willma E Polgar, Lawrence Toll
Opiates are still the most effective and widely used treatments for acute and chronic pain. However, the problems associated with morphine and other standard opioid analgesics severely limit their effectiveness in the clinic. PPL-101 and PPL-103 derived from morphine and morphinan ring systems contain a chiral N-substituent, which confers it with a unique combination of high-binding affinities and partial agonist activities at mu, delta, and kappa opioid receptors, leading to unique in vivo pharmacology compared to other conventional opioids...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28446438/opioid-substitution-treatment-is-linked-to-reduced-risk-of-death-in-opioid-use-disorder
#14
EDITORIAL
Ajay Manhapra, Robert Rosenheck, David A Fiellin
No abstract text is available yet for this article.
April 26, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28446428/mortality-risk-during-and-after-opioid-substitution-treatment-systematic-review-and-meta-analysis-of-cohort-studies
#15
Luis Sordo, Gregorio Barrio, Maria J Bravo, B Iciar Indave, Louisa Degenhardt, Lucas Wiessing, Marica Ferri, Roberto Pastor-Barriuso
Objective To compare the risk for all cause and overdose mortality in people with opioid dependence during and after substitution treatment with methadone or buprenorphine and to characterise trends in risk of mortality after initiation and cessation of treatment.Design Systematic review and meta-analysis.Data sources Medline, Embase, PsycINFO, and LILACS to September 2016.Study selection Prospective or retrospective cohort studies in people with opioid dependence that reported deaths from all causes or overdose during follow-up periods in and out of opioid substitution treatment with methadone or buprenorphine...
April 26, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28443503/kratom-and-future-treatment-for-the-opioids-addiction-and-chronic-pain-periculo-beneficium
#16
Ismaliza Ismail, Suzaily Wahab, Hatta Sidi, Srijit Das, Loo Jiann Lin, Rosdinom Razali
Kratom (Mitragynaspeciosa), a natural existing plant found in South-East Asia, is tradi-tionally used as an herb to help to elevate a person's energy and also to treat numerous medical ailments. Other than the analgesic property, kratom has been used as an agent to overcome opioid withdrawal as it contains natural alkaloids, i.e. mitragynine, 7-hydroxymitragynine, and MGM-9, which has agonist affinity on the opioid receptors, including mu (μ) and kappa (κ). The role of neural reward pathway linked to μ-opioid receptors and both dopaminergic and GABA-ergic interneurons that express μ-opioid receptors were deliberated...
April 25, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28442581/sigma-receptor-effects-of-n-substituted-benztropine-analogs-implications-for-antagonism-of-cocaine-self-administration
#17
Takato Hiranita, Weimin C Hong, Theresa Kopajtic, Jonathan L Katz
Several N-substituted benztropine (BZT) analogs are atypical dopamine transport inhibitors as they have affinity for the dopamine transporter (DAT), but have minimal cocaine-like pharmacological effects and can block numerous effects of cocaine including its self-administration. Among these compounds, N-methyl (AHN1-055), N-allyl (AHN2-005), and N-butyl (JHW007) analogs of 3α-[bis(4'-fluorophenyl)methoxy]-tropane were more potent in antagonizing self-administration of cocaine and d-methamphetamine than in decreasing food-maintained responding...
April 25, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28425103/remains-of-care-opioid-substitution-treatment-in-the-post-welfare-state
#18
Anna Leppo, Riikka Perälä
This article examines how the amplified role of pharmaceutical substances in addiction treatment affects the everyday realisation of care, particularly the relationship between workers and patients, in so called austere environments. Theoretically the article draws firstly on the literature that links pharmaceuticalisation to the neoliberal undoing of central public structures and institutions of care, and secondly on Anne-Marie Mol's concept of the logic of care. Based on an ethnographic analysis of the everyday life at a Finnish opioid substitution treatment clinic we show the mechanisms through which the realisation of pharmacotherapy can, in the current political climate, result in a very narrow understanding of drug problems and minimal human contact between patients and professionals...
April 19, 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28419528/an-updated-synthesis-of-11-c-carfentanil-for-positron-emission-tomography-pet-imaging-of-the-%C3%AE-opioid-receptor
#19
Joseph E Blecha, Bradford D Henderson, Brian G Hockley, Henry F VanBrocklin, Jon-Kar Zubieta, Alexandre F DaSilva, Michael R Kilbourn, Robert A Koeppe, Peter J H Scott, Xia Shao
[(11) C]Carfentanil ([(11) C]CFN) is a selective radiotracer for in vivo positron emission tomography (PET) imaging studies of the μ-opioid system that, in our laboratories, is synthesized by methylation of the corresponding carboxylate precursor with [(11) C]MeOTf, and purified using a C2 solid-phase extraction cartridge. Changes in the commercial availability of common C2 cartridges have necessitated future-proofing the synthesis of [(11) C]CFN to maintain reliable delivery of the radiotracer for clinical imaging studies...
April 17, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28414496/impaired-psychomotor-function-and-plasma-methadone-and-levo-alpha-acetylmethadol-laam-concentrations-in-opioid-substitution-patients
#20
David A L Newcombe, Andrew A Somogyi, Felix Bochner, Jason M White
Tolerance to the psychomotor impairing effects of opioid drugs is expected to develop with repeated dosing, but may be incomplete. The relationship between plasma opioid concentration and psychomotor function in opioid-dependent patients was examined to determine whether impairment was more likely at the time of highest plasma drug concentration. Sixteen patients participating in a cross-over trial comparing methadone and LAAM completed a tracking task (OSPAT) 11 times over the dosing-interval for methadone (24-hrs) and LAAM (48-hrs)...
June 2017: Experimental and Clinical Psychopharmacology
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