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https://www.readbyqxmd.com/read/28420033/the-current-clinical-knowledge-on-the-treatment-of-gambling-disorder-a-summary
#1
REVIEW
Karel Hloch, Přemysl Mladěnka, Martin Doseděl, Walter Adriani, Francesca Zoratto
Gambling disorder (GD) is a topical problem in developed countries and may be present in 1-3% of the general population. The pathophysiology of this disorder is largely unknown but it shares similarities to other behavioral addictions. Multiple neurotransmitter systems, including dopaminergic, serotonergic, noradrenergic, glutamatergic, and opioidergic, have been implicated in GD. Based on available articles, only the opioid antagonist naltrexone has been documented to demonstrate clinical efficacy in multiple studies including double-blind studies...
April 18, 2017: Synapse
https://www.readbyqxmd.com/read/28391178/mirtazapine-attenuates-cocaine-seeking-in-rats
#2
Susana Barbosa-Méndez, Phillipe Leff, Adriana Arías-Caballero, Ricardo Hernández-Miramontes, Gerardo Heinze, Alberto Salazar-Juárez
BACKGROUND: Relapse to cocaine use is a major problem in the clinical treatment of cocaine addiction. Antidepressants have been studied for their therapeutic potential to treat cocaine use disorder. Research has suggested that antidepressants attenuate both drug craving and the re-acquisition of drug-seeking and drug-taking behaviors. This study examined the efficacy of mirtazapine, an antidepressant/anxiolytic, in decreasing cocaine seeking in rats. METHODS: We used the cocaine self-administration paradigm to assess the effects of mirtazapine on rats trained to self-administer cocaine or food under a fixed-ratio schedule...
April 4, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28285325/mglu1-receptor-as-a-drug-target-for-treatment-of-substance-use-disorders-time-to-gather-stones-together
#3
REVIEW
Olga A Dravolina, Edwin Zvartau, Wojciech Danysz, Anton Y Bespalov
Modulation of the mGlu1 receptor was repeatedly shown to inhibit various phenomena associated with exposure to abused drugs. Efficacy in preclinical models was observed with both positive and negative allosteric modulators (PAMs and NAMs, respectively) using essentially non-overlapping sets of experimental methods. Taken together, these data indicate that the mGlu1 receptor certainly plays a significant role in the plasticity triggered by the exposure to abused drugs and is involved in the maintenance of drug-seeking and drug-taking behaviors...
March 11, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28265714/a-short-history-of-the-5-ht2c-receptor-from-the-choroid-plexus-to-depression-obesity-and-addiction-treatment
#4
REVIEW
Jose M Palacios, Angel Pazos, Daniel Hoyer
This paper is a personal account on the discovery and characterization of the 5-HT2C receptor (first known as the 5-HT1C receptor) over 30 years ago and how it translated into a number of unsuspected features for a G protein-coupled receptor (GPCR) and a diversity of clinical applications. The 5-HT2C receptor is one of the most intriguing members of the GPCR superfamily. Initially referred to as 5-HT1CR, the 5-HT2CR was discovered while studying the pharmacological features and the distribution of [(3)H]mesulergine-labelled sites, primarily in the brain using radioligand binding and slice autoradiography...
March 7, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28257514/analysis-of-print-news-media-framing-of-ketamine-treatment-in-the-united-states-and-canada-from-2000-to-2015
#5
Melvyn W B Zhang, Ying X Hong, Syeda F Husain, Keith M Harris, Roger C M Ho
OBJECTIVES: There are multifaceted views on the use of ketamine, a potentially addictive substance, to treat mental health problems. The past 15 years have seen growing media coverage of ketamine for medical and other purposes. This study examined the print news media coverage of medical and other uses of ketamine in North America to determine orientations and trends over time. METHODS: Print newspaper coverage of ketamine from 2000 to 2015 was reviewed, resulting in 43 print news articles from 28 North American newspapers...
2017: PloS One
https://www.readbyqxmd.com/read/28219963/overdose-risk-in-young-children-of-women-prescribed-opioids
#6
Yaron Finkelstein, Erin M Macdonald, Alejandro Gonzalez, Marco L A Sivilotti, Muhammad M Mamdani, David N Juurlink
BACKGROUND AND OBJECTIVE: Over the past 20 years, the prescribing of opioids has increased dramatically in North America, with parallel increases in opioid addiction, overdose, and associated deaths. We examined whether young children of women prescribed opioids were at increased risk of opioid overdose. METHODS: We conducted a population-based, nested case control study in Ontario, Canada, between 2002 and 2015. We identified children aged ≤10 years, whose mothers received publicly funded prescriptions for an opioid or a nonsteroidal antiinflammatory drug (comparator analgesic) in the preceding year...
March 2017: Pediatrics
https://www.readbyqxmd.com/read/28190678/a-unique-natural-selective-kappa-opioid-receptor-agonist-salvinorin-a-and-its-roles-in-human-therapeutics
#7
André Cruz, Sara Domingos, Eugenia Gallardo, Ana Martinho
Until the mid-60s, only the Mazatecs, an indigenous group from Oaxaca, Mexico, used Salvia Divinorum (S. divinorum) due to its hallucinogen properties. Later it was found that the hallucinogen effects of this plant were caused by the presence of a neoclerodane diterpene Salvinorin A (salvinorin A), which is a highly selective agonist of kappa-opioid receptor (KOR) that cause more intense hallucinations than the common hallucinogens as lysergic acid, mushrooms, ecstasy and others. In fact, smoking of only 200-500 μg of S...
May 2017: Phytochemistry
https://www.readbyqxmd.com/read/28148472/using-social-listening-data-to-monitor-misuse-and-nonmedical-use-of-bupropion-a-content-analysis
#8
Laurie S Anderson, Heidi G Bell, Michael Gilbert, Julie E Davidson, Christina Winter, Monica J Barratt, Beta Win, Jeffery L Painter, Christopher Menone, Jonathan Sayegh, Nabarun Dasgupta
BACKGROUND: The nonmedical use of pharmaceutical products has become a significant public health concern. Traditionally, the evaluation of nonmedical use has focused on controlled substances with addiction risk. Currently, there is no effective means of evaluating the nonmedical use of noncontrolled antidepressants. OBJECTIVE: Social listening, in the context of public health sometimes called infodemiology or infoveillance, is the process of identifying and assessing what is being said about a company, product, brand, or individual, within forms of electronic interactive media...
February 1, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28000031/paradoxical-antidepressant-effects-of-alcohol-are-related-to-acid-sphingomyelinase-and-its-control-of-sphingolipid-homeostasis
#9
Christian P Müller, Liubov S Kalinichenko, Jens Tiesel, Matthias Witt, Thomas Stöckl, Eva Sprenger, Jens Fuchser, Janine Beckmann, Marc Praetner, Sabine E Huber, Davide Amato, Christiane Mühle, Christian Büttner, Arif B Ekici, Irena Smaga, Lucyna Pomierny-Chamiolo, Bartosz Pomierny, Malgorzata Filip, Volker Eulenburg, Erich Gulbins, Anbarasu Lourdusamy, Martin Reichel, Johannes Kornhuber
Alcohol is a widely consumed drug that can lead to addiction and severe brain damage. However, alcohol is also used as self-medication for psychiatric problems, such as depression, frequently resulting in depression-alcoholism comorbidity. Here, we identify the first molecular mechanism for alcohol use with the goal to self-medicate and ameliorate the behavioral symptoms of a genetically induced innate depression. An induced over-expression of acid sphingomyelinase (ASM), as was observed in depressed patients, enhanced the consumption of alcohol in a mouse model of depression...
March 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/27932945/monoaminergic-and-histaminergic-strategies-and-treatments-in-brain-diseases
#10
REVIEW
Giuseppe Di Giovanni, Dubravka Svob Strac, Montse Sole, Mercedes Unzeta, Keith F Tipton, Dorotea Mück-Šeler, Irene Bolea, Laura Della Corte, Matea Nikolac Perkovic, Nela Pivac, Ilse J Smolders, Anna Stasiak, Wieslawa A Fogel, Philippe De Deurwaerdère
The monoaminergic systems are the target of several drugs for the treatment of mood, motor and cognitive disorders as well as neurological conditions. In most cases, advances have occurred through serendipity, except for Parkinson's disease where the pathophysiology led almost immediately to the introduction of dopamine restoring agents. Extensive neuropharmacological studies first showed that the primary target of antipsychotics, antidepressants, and anxiolytic drugs were specific components of the monoaminergic systems...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27923160/adolescent-and-adult-mice-display-differential-sensitivity-to-the-effects-of-bupropion-on-the-acquisition-of-a-water-maze-task
#11
Carmen Gómez, Carmen Carrasco, Rosa Redolat
BACKGROUND: Adolescence is characterized by major neurobiological changes, and the effects of some psychoactive drugs seem to differ between adolescents and adults. Bupropion, an antidepressant that is also used to treat nicotine addiction, induces behavioral actions in both adolescent and adult rodents. However, the effects of this drug on spatial ability have not been compared in animals at different stages of their development. The present study was conducted to assess the effects of bupropion on spatial learning and memory in adolescent and adult mice...
February 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27888525/breaking-sad-unleashing-the-breakthrough-potential-of-ketamine-s-rapid-antidepressant-effects
#12
David Feifel
Preclinical Research The surprising results of a small clinical trial on the effects of low dose ketamine, a 65-year old anesthetic drug that is also used off-label for chronic pain and recreationally as a club drug, in eight depressed subjects unleashed the most significant advance in antidepressant drug development in decades. That study and subsequent ones have demonstrated that low dose, infused ketamine is able to induce a remission of depression in patients who have failed conventional medications, within 24 h...
December 2016: Drug Development Research
https://www.readbyqxmd.com/read/27836553/how-much-alcohol-is-in-ketamine-s-antidepressant-action
#13
REVIEW
Udo Bonnet
Ketamine is approved to start and maintain anaesthesia or analgesia. Ketamine is also known to be neurotoxic and an old drug of abuse. Numerous studies have proven a rapid and strong antidepressant response (AR) following parenteral sub-anaesthetic ketamine doses when applied the first time to patients with treatment resistant unipolar or bipolar major depression. This rapid and robust AR is encouraging, though short-lived (usually up to seven days). There is growing evidence that repeated und escalating ketamine administrations exert longer-lasting AR than single infusions...
January 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/27802545/association-between-prescription-of-major-psychotropic-medications-and-violent-reoffending-after-prison-release
#14
Zheng Chang, Paul Lichtenstein, Niklas Långström, Henrik Larsson, Seena Fazel
Importance: Individuals released from prison have high rates of violent reoffending, and there is uncertainty about whether pharmacological treatments reduce reoffending risk. Objective: To investigate the associations between major classes of psychotropic medications and violent reoffending. Design, Setting, and Participants: This cohort study included all released prisoners in Sweden from July 1, 2005, to December 31, 2010, through linkage of population-based registers...
November 1, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27699938/kappa-opioid-antagonists-for-psychiatric-disorders-from-bench-to-clinical-trials
#15
William A Carlezon, Andrew D Krystal
Kappa-opioid receptor (KOR) antagonists are currently being considered for the treatment of a variety of neuropsychiatric conditions, including depressive, anxiety, and substance abuse disorders. A general ability to mitigate the effects of stress, which can trigger or exacerbate these conditions, may explain their putative efficacy across such a broad array of conditions. The discovery of their potentially therapeutic effects evolved from preclinical research designed to characterize the molecular mechanisms by which experience causes neuroadaptations in the nucleus accumbens (NAc), a key element of brain reward circuitry...
October 2016: Depression and Anxiety
https://www.readbyqxmd.com/read/27528803/long-term-antidepressant-use-patient-perspectives-of-benefits-and-adverse-effects
#16
Claire Cartwright, Kerry Gibson, John Read, Ondria Cowan, Tamsin Dehar
Long-term antidepressant treatment has increased and there is evidence of adverse effects; however, little is known about patients' experiences and views of this form of treatment. This study used mixed methods to examine patients' views and experiences of long-term antidepressant treatment, including benefits and concerns. Data from 180 patients, who were long-term users of antidepressants (3-15 years), were extracted from an anonymous online survey of patients' experiences of antidepressants in New Zealand...
2016: Patient Preference and Adherence
https://www.readbyqxmd.com/read/27473569/depression-screening-and-education-options-to-reduce-barriers-to-treatment-deseo-protocol-for-an-educational-intervention-study
#17
Katherine Sanchez, Brittany H Eghaneyan, Madhukar H Trivedi
BACKGROUND: Barriers to depression treatment among Hispanic populations include persistent stigma, inadequate doctor patient communication (DPC) and resultant sub-optimal use of anti-depressant medications. Stigma is primarily perpetuated due to inadequate disease literacy and cultural factors. Common concerns about depression treatments among Hispanics include fears about the addictive and harmful properties of antidepressants, worries about taking too many pills, and the stigma attached to taking psychotropic medications...
July 29, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27404492/putative-epigenetic-involvement-of-the-endocannabinoid-system-in-anxiety-and-depression-related-behaviors-caused-by-nicotine-as-a-stressor
#18
Tamaki Hayase
Like various stressors, the addictive use of nicotine (NC) is associated with emotional symptoms such as anxiety and depression, although the underlying mechanisms have not yet been fully elucidated due to the complicated involvement of target neurotransmitter systems. In the elicitation of these emotional symptoms, the fundamental involvement of epigenetic mechanisms such as histone acetylation has recently been suggested. Furthermore, among the interacting neurotransmitter systems implicated in the effects of NC and stressors, the endocannabinoid (ECB) system is considered to contribute indispensably to anxiety and depression...
2016: PloS One
https://www.readbyqxmd.com/read/27261367/ketamine-abuse-potential-and-use-disorder
#19
REVIEW
Yu Liu, Deyong Lin, Boliang Wu, Wenhua Zhou
Ketamine is a noncompetitive antagonist of N-methyl-d-asparate (NMDA) receptor and has been long used as an anesthetic agent in humans and veterinary medicine. The present article reviews the epidemiology, pharmacology, neurochemistry, and treatment of ketamine abuse. Ketamine has a unique mood controlling property and a number of studies have demonstrated a significant and rapid antidepressant effect of ketamine. However, the therapeutic value of ketamine to treat psychiatric disorders faces a major challenge that ketamine also owns significant reinforcing and toxic effects...
September 2016: Brain Research Bulletin
https://www.readbyqxmd.com/read/27253690/pharmacokinetic-and-pharmacodynamic-evaluation-of-oxycodone-and-naltrexone-for-the-treatment-of-chronic-lower-back-pain
#20
REVIEW
Mellar P Davis
INTRODUCTION: Chronic low back pain (CLBP) is a common and difficult illness to manage. Some individuals with CLBP have pain processing disorders and are also at risk for opioid abuse, misuse; addiction and diversion. Guidelines have been published to guide management; neuromodulation, exercise, mindfulness-based stress reduction and cognitive behavior therapies among other non-pharmacological reduce the pain of CLBP with minimal toxicity. Pharmacological management includes acetaminophen, NSAIDs and antidepressants, mainly duloxetine...
July 2016: Expert Opinion on Drug Metabolism & Toxicology
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