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Experimental and Clinical Psychopharmacology

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https://www.readbyqxmd.com/read/30148405/predictors-of-tobacco-and-alcohol-co-use-from-ages-15-to-32-the-amsterdam-growth-and-health-longitudinal-study
#1
Sterling M McPherson, Ekaterina Burduli, Crystal Lederhos Smith, Olivia Brooks, Michael F Orr, Celestina Barbosa-Leiker, Trynke Hoekstra, Michael G McDonell, Sean M Murphy, Matthew Layton, John M Roll
Tobacco and alcohol are often used in tandem over time, but specific predictors of course and patterns of course over time need explication. We examined differences in alcohol and tobacco course among an adolescent population as they transitioned into young adulthood across a 17-year period. Data came from participants (n = 303 for ages 15-21, n = 196 for ages 21 to 32; 52% female and 54% female, respectively) enrolled in the Amsterdam Growth and Health Longitudinal Study, an epidemiologic investigation examining disease across the life span...
August 27, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30148404/alcohol-family-history-moderates-the-association-between-evening-substance-free-reinforcement-and-alcohol-problems
#2
Keanan J Joyner, Samuel F Acuff, Lidia Z Meshesha, Christopher J Patrick, James G Murphy
Behavioral economic theories of substance abuse posit that deficits in substance-free reward increase risk for substance misuse, but little research has examined potential moderators of this relationship, including dispositional risk factors. Here, we tested the hypothesis that young adult heavy drinkers with family histories of alcohol misuse would show a stronger association specifically between low evening substance-free reinforcement and alcohol problems compared to those without a family history of alcohol misuse...
August 27, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30148403/modeling-effects-of-side-effect-probability-side-effect-severity-and-medication-efficacy-on-patients-with-multiple-sclerosis-medication-choice
#3
David P Jarmolowicz, Derek D Reed, Amanda S Bruce, Sharon Lynch, Julia Smith, Jared M Bruce
Multiple sclerosis (MS) is an autoimmune disease that causes a range of problematic symptoms. These symptoms tend to get worse over time, causing substantial impairment in patient quality of life. Although many effective disease-modifying therapies (DMTs) exist that slow the course of MS, patients often do not choose to take them, which may be because these medications carry substantial risks of side effects, varying from mild to severe, while only decreasing the probability of future symptoms. In the current study, we examined MS patients' self-reported likelihood of taking medications with a range of efficacies (11 values, ranging from 0...
August 27, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30138003/previous-cannabis-exposure-modulates-the-acute-effects-of-delta-9-tetrahydrocannabinol-on-attentional-salience-and-fear-processing
#4
Marco Colizzi, Philip McGuire, Vincent Giampietro, Steve Williams, Mick Brammer, Sagnik Bhattacharyya
Cannabis can induce transient psychotic and anxiety symptoms and long-lasting disorders. The acute psychoactive effects of its main active ingredient, (-)-trans-Δ9-tetrahydrocannabinol (Δ9-THC), may be modulated by previous cannabis exposure. Secondary data analyses tested whether modest previous cannabis exposure modulated the acute effects of Δ9-THC on attentional salience and emotional processing and their neurophysiological substrates. Twenty-four healthy men participated in a double-blind, randomized, placebo-controlled, repeated-measures, within-subject, Δ9-THC challenge study using fMRI...
August 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30102063/rapid-nicotine-tolerance-and-cross-tolerance-to-varenicline-in-rhesus-monkeys-drug-discrimination
#5
Megan J Moerke, Lance R McMahon
Acute tolerance to effects of nicotine plays an important role in nicotine dependence, but the mechanism underlying these effects is unclear. Drug discrimination was used in the current study to examine the impact of nicotine pretreatment on sensitivity to the discriminative stimulus effects of nicotine and the FDA-approved smoking cessation pharmacotherapy varenicline. Rhesus monkeys ( n = 4) discriminated 0.032 mg/kg nicotine base iv from saline under an FR5 schedule of stimulus-shock termination. Both nicotine and varenicline increased drug-appropriate responding; ED50 values (95% confidence limits) were 0...
August 13, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30102062/differences-in-puff-topography-toxicant-exposure-and-subjective-response-between-waterpipe-tobacco-smoking-men-and-women
#6
Eric K Soule, Carolina Ramôa, Thomas Eissenberg, Caroline O Cobb
Waterpipe tobacco smoking (WTS) exposes users to toxicants in much greater amounts than a cigarette. Little is known about how gender affects WTS toxicant exposure and subjective response. Data from three WTS clinical laboratory studies were combined for analysis. Participants ( N = 99; 38 women) completed a 45-min WTS session where they smoked a waterpipe ad libitum. Puff topography was measured throughout, and plasma nicotine concentration, expired air carbon monoxide (CO), and subjective responses were measured pre- and post-WTS...
August 13, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30080059/the-influence-of-anxiety-sensitivity-on-opioid-use-disorder-treatment-outcomes
#7
Catherine Baxley, Jeremiah Weinstock, Patrick J Lustman, Annie A Garner
Given the high rates of relapse among patients with opioid use disorder (OUD), it is crucial to identify modifiable risk factors for negative treatment outcomes. Anxiety sensitivity (AS) is 1 such risk factor that may be associated with negative OUD treatment outcomes. The present study examined the potential impact of AS on the withdrawal process, subsequent treatment engagement, and relapse among individuals with OUD. Adults undergoing inpatient detoxification ( N = 90) completed self-report and researcher-administered questionnaires on Day 4 of a 5-day buprenorphine-assisted detoxification protocol, and 1 month later a follow-up evaluation assessed treatment engagement and relapse...
August 6, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30035580/alternate-versions-of-a-fixed-choice-delay-discounting-assessment-for-repeated-measures-designs
#8
Jinyi Kuang, Hannah Milhorn, Allison Stuppy-Sullivan, Soyeon Jung, Richard Yi
Delay discounting, reflected in the tendency to prefer immediate rewards over delayed rewards, is associated with most forms of problematic substance use. When assessed multiple times to examine within-individual changes, for example, following acute drug administration or an intervention, shifts in delay discounting simply because of repeated assessment is a concern, particularly when the assessment task is identical. This may be true for the Monetary Choice Questionnaire (MCQ), a widely used, fixed-item assessment of delay discounting...
July 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30035579/patient-views-of-opioid-pharmacotherapy-biodelivery-systems-qualitative-study-to-assist-treatment-decision-making
#9
Joanne Neale, Charlotte N E Tompkins, Rebecca McDonald, John Strang
The technology for delivering opioid pharmacotherapy (OPT) is expanding. It is important to know what OPT patients think of these developments and to find ways of enabling patients and clinicians to make informed decisions about which biodelivery system to choose. We explored the views of current and former OPT patients with a history of heroin use to identify factors influencing their preferences regarding routes of OPT administration. Data were generated via seven focus groups conducted in London, United Kingdom...
July 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30035578/comparison-of-subjective-response-to-alcohol-in-caucasian-and-hispanic-latino-samples
#10
Kailey A Richner, William R Corbin, Kyle R Menary
Individual differences in subjective response (SR) to alcohol (e.g., stimulation, sedation) are a significant predictor of negative alcohol outcomes. Previous studies have reported ethnic differences in SR (e.g., between some Asian populations and Caucasians), but very few studies have examined SR among Hispanic/Latino individuals. To address this gap in the literature, the present study utilized data from a large-scale, placebo-controlled alcohol administration study to examine differences in SR between Hispanic/Latino and Caucasian individuals...
July 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30035577/effects-of-glun2b-selective-antagonists-on-delay-and-probability-discounting-in-male-rats-modulation-by-delay-probability-presentation-order
#11
Justin R Yates, Nicholas A Prior, Marissa R Chitwood, Haley A Day, Jonah R Heidel, Sarah E Hopkins, Brittany T Muncie, Tatiana A Paradella-Bradley, Alexandra P Sestito, Ashley N Vecchiola, Emily E Wells
The contribution of the GluN2B subunit of the NMDA receptor to impulsivity has recently been examined. Ro 63-1908, a highly selective antagonist for the GluN2B, decreases impulsive choice. Because the order in which delays are presented modulates drug effects in discounting procedures, one goal of the current study was to determine the effects of Ro 63-1908 in delay discounting procedures in which the delays to obtaining the large reinforcer either increase or decrease across the session. We also determined if Ro 63-1908 differentially alters risky choice in probability discounting procedures that use ascending/descending schedules...
July 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30035576/effects-of-nicotine-deprivation-on-current-pain-intensity-among-daily-cigarette-smokers
#12
Lisa R LaRowe, Jesse D Kosiba, Emily L Zale, Joseph W Ditre
Animal research has consistently demonstrated increased pain in the context of nicotine deprivation, and there is cross-sectional evidence that tobacco smokers may experience greater pain following periods of smoking abstinence. This study aimed to examine current pain intensity as a function of nicotine deprivation among 137 daily tobacco smokers who did not endorse chronic pain and were recruited to participate in a primary study of the effects of smoking abstinence on experimental pain reactivity. Participants were randomized to either deprivation (12-24 hr abstinence) or continued ad lib smoking conditions...
July 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30035575/aripiprazole-induced-atrial-fibrillation-in-a-patient-with-concomitant-risk-factors
#13
Giordano D'Urso, Annalisa Anastasia, Elena Toscano, Sara Patti, Andrea de Bartolomeis
Aripiprazole is an atypical antipsychotic drug with a polypharmacological mechanism of action and a favorable tolerability profile. Its major indications are schizophrenia and mania in adults and adolescents. Here we present the case of a 43-year-old Caucasian man with schizophrenia who developed atrial fibrillation (AF) after starting aripiprazole treatment. Prior to this treatment, he had never received any antipsychotic drugs. On admission to our inpatient unit, he showed severe psychotic symptoms and was started on aripiprazole with a rapid titration regimen (15 mg on the first day and then 15 mg twice daily thereafter) in combination with lorazepam (2...
July 23, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29963872/limited-modulation-of-the-abuse-related-behavioral-effects-of-d-methamphetamine-by-disulfiram
#14
Fernando B de Moura, Stephen J Kohut, Jack Bergman
Disulfiram (Antabuse), an acetaldehyde dehydrogenase and dopamine-beta hydroxylase inhibitor, has shown promise in preclinical and clinical studies as a pharmacotherapy for cocaine addiction. However, the extent to which disulfiram may alter the abuse-related behavioral effects of related psychostimulants, such as methamphetamine, is unknown. Here, the therapeutic potential of disulfiram was evaluated by examining its impact on the reinforcing and discriminative stimulus effects of d-methamphetamine in adult rhesus monkeys (N = 4 per group)...
July 2, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29952618/effects-of-lorcaserin-and-buspirone-administered-alone-and-as-a-mixture-on-cocaine-self-administration-in-male-and-female-rhesus-monkeys
#15
Gregory T Collins, Charles P France
Cocaine use disorder is a serious public health issue for which there is no effective pharmacotherapy. One strategy to speed development of medications for cocaine use disorder is to repurpose drugs already approved for use in humans based on their ability to interact with targets known to be important for addiction. Two such drugs, lorcaserin (Belviq; a drug with serotonin [5-HT]2C receptor agonist properties) and buspirone (Buspar; a drug with 5-HT1A receptor partial agonist and dopamine D3/D4 receptor antagonist properties) can produce modest decreases in cocaine self-administration in rhesus monkeys...
June 28, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29952616/is-adhd-independent-of-odd-associated-with-whether-and-why-college-students-misuse-stimulant-medication
#16
Kari Benson, Darren T Woodlief, Kate Flory, E Rebekah Siceloff, Kevin Coleman, Andrea Lamont
Although previous research suggests that undergraduates with untreated or undertreated attention-deficit/hyperactivity disorder (ADHD) symptoms may have academic motives for stimulant medication misuse, no previous work has examined the relation of ADHD symptoms, controlling for comorbid oppositional defiant disorder (ODD), to misuse, or has explored how these symptoms are differentially related to motives for misuse. Among a sample of 900 students from one public university, the current study first tested whether increased ADHD symptomology (using the Current Symptoms Scale, CSS) was associated with an increased likelihood of misusing stimulant medication, controlling for comorbid ODD...
June 28, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29952615/a-review-of-the-effects-of-nicotine-on-social-functioning
#17
Lea M Martin, Michael A Sayette
Many smokers are aware that smoking is a dangerous health behavior and eventually try to quit smoking. Unfortunately, most quit attempts end in failure. Traditionally, the addictive nature of smoking has been attributed to the pharmacologic effects of nicotine. In an effort to offer a more comprehensive, biobehavioral analysis of smoking behavior and motivation, some researchers have begun to consider the role of social factors in smoking. In line with recent recommendations to integrate social and pharmacological analyses of smoking, we reviewed the experimental literature examining the effects of nicotine and nicotine withdrawal on social functioning...
June 28, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/30070567/effects-of-oxytocin-on-working-memory-and-executive-control-system-connectivity-in-posttraumatic-stress-disorder
#18
Julianne C Flanagan, Anne Hand, Amber M Jarnecke, Megan M Moran-Santa Maria, Kathleen T Brady, Jane E Joseph
Posttraumatic stress disorder (PTSD) is a chronic, debilitating condition for which effective medications are scant and little is known about neural correlates of risk versus resilience. Oxytocin is a hypothalamic neuropeptide that has demonstrated promise in modulating neurobiological and behavioral correlates of PTSD. Cognitive deficits in areas such as working memory and executive control are highly prevalent among individuals with PTSD and oxytocin might modulate these impairments in individuals with PTSD...
August 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29985019/tension-reduction-and-affect-regulation-an-examination-of-mood-indices-on-drinking-and-non-drinking-days-among-university-student-drinkers
#19
Robert D Dvorak, Brittany L Stevenson, Tess M Kilwein, Emily M Sargent, Michael E Dunn, Angelina V Leary, Matthew P Kramer
Several theories posit problematic alcohol use develops through mechanisms of positive and negative reinforcement. However, the literature on these mechanisms remains inconsistent. This may be due to a number of issues including a failure to disaggregate negative mood or a failure to account for mood functioning (i.e., stability in mood). Alternatively, there may be differences in typical postdrinking/evening mood on drinking and nondrinking days, however, this has yet to be fully explored. We examined multiple indices of distinct mood states prior to and after typical drinking onset times on drinking and nondrinking days using ecological momentary assessment...
August 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29985018/moderation-of-alcohol-craving-reactivity-to-drinking-related-contexts-by-individual-differences-in-alcohol-sensitivity-an-ecological-investigation
#20
Constantine J Trela, Alexander W Hayes, Bruce D Bartholow, Kenneth J Sher, Andrew C Heath, Thomas M Piasecki
Laboratory cue exposure investigations have demonstrated that, relative to drinkers who report a high sensitivity to the pharmacologic effects of alcohol, low-sensitivity (LS) drinkers show exaggerated neurocognitive and behavioral reactivity to alcohol-related stimuli. The current study extends this line of work by testing whether LS drinkers report stronger cravings for alcohol in daily life. Data were from an ecological momentary assessment study in which participants ( N = 403 frequent drinkers) carried a palmtop computer for 21 days and responded to questions regarding drinking behavior, alcohol craving, mood states, and situational context...
August 2018: Experimental and Clinical Psychopharmacology
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