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https://www.readbyqxmd.com/read/28511033/comparing-adult-cannabis-treatment-seekers-enrolled-in-a-clinical-trial-with-national-samples-of-cannabis-users-in-the-united-states
#1
Erin A McClure, Jacqueline S King, Aimee Wahle, Abigail G Matthews, Susan C Sonne, Michelle R Lofwall, Aimee L McRae-Clark, Udi E Ghitza, Melissa Martinez, Kasie Cloud, Harvir S Virk, Kevin M Gray
BACKGROUND: Cannabis use rates are increasing among adults in the United States (US) while the perception of harm is declining. This may result in an increased prevalence of cannabis use disorder and the need for more clinical trials to evaluate efficacious treatment strategies. Clinical trials are the gold standard for evaluating treatment, yet study samples are rarely representative of the target population. This finding has not yet been established for cannabis treatment trials. This study compared demographic and cannabis use characteristics of a cannabis cessation clinical trial sample (run through National Drug Abuse Treatment Clinical Trials Network) with three nationally representative datasets from the US; 1) National Survey on Drug Use and Health, 2) National Epidemiologic Survey on Alcohol and Related Conditions-III, and 3) Treatment: Episodes Data Set - Admissions...
May 10, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28506705/the-interaction-of-gender-and-cannabis-in-early-phase-psychosis
#2
Candice E Crocker, Philip G Tibbo
Cannabis is the third most common recreational drug used world-wide after tobacco and alcohol. Globally, cannabis legalization is becoming more common. In light of its known link to psychosis development, it is imperative that we are well-informed regarding the impact of cannabis on the course of psychosis, in both males and females. However, the majority of the work to date on the role of cannabis in psychosis outcomes has not had a gender focus, important when considering patient specific treatments. This review examines what is currently known, from gender focused studies, about the interaction of gender, cannabis use and psychotic disorders...
May 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28506704/a-method-to-achieve-extended-cannabis-abstinence-in-cannabis-dependent-patients-with-schizophrenia-and-non-psychiatric-controls
#3
Rachel A Rabin, Karolina Kozak, Konstantine K Zakzanis, Gary Remington, Cristiana Stefan, Alan J Budney, Tony P George
BACKGROUND: Cannabis use disorders (CUD) are common in schizophrenia (~25%) compared to the general population (~3%). Tetrahydrocannabinol (THC), the principal psychoactive component in cannabis is fat-soluble, resulting in an extended period for cannabinoid elimination. While detection of cannabinoids in urine is indicative of prior cannabis exposure, time of last use is difficult to verify sustained abstinence for extended periods (e.g., 28-days) in chronic cannabis users. Therefore, we evaluated the utility of a sustained cannabis abstinence paradigm in patients with schizophrenia and non-psychiatric controls...
May 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28504027/epidemiology-and-comorbidity-of-obsessive-compulsive-disorder-in-late-adolescence-a-cross-sectional-study-in-senior-high-schools-in-greece
#4
Spyridon Politis, Konstantina Magklara, Petros Petrikis, Grigorios Michalis, Gregoris Simos, Petros Skapinakis
OBJECTIVE: The aim of this study was to examine the epidemiology, comorbidity and use of health services of obsessive-compulsive disorder (OCD) and subclinical obsessive-compulsive symptoms in late adolescence. METHODS: A total of 2427 adolescents attending senior high schools in Greece were selected for a detailed psychiatric interview using the revised clinical interview schedule (CIS-R). Use of alcohol, nicotine and cannabis, and several socio-demographic and socio-economic variables were also assessed...
May 15, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28501291/use-and-dependence-on-opioid-drugs-in-the-spanish-population-with-chronic-pain-prevalence-and-differences-according-to-sex
#5
A Coloma-Carmona, J L Carballo, J Rodríguez-Marín, A Pérez-Carbonell
OBJECTIVES: To analyse the prevalence in the use and dependence on opioid drugs in the Spanish population with chronic pain and evaluate the differences according to sex. PATIENTS AND METHODS: The demographic variables, opioid treatment characteristics and use of other substances were assessed in 229 users of opioid drugs. A descriptive bivariate analysis of the data was performed. RESULTS: Forty-six percent of the patients met the criteria of dependence on opioid drugs (Diagnostic and Statistical Manual of Mental Disorders, 4th Edition [DSM-IV-TR])...
May 10, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28499114/fathers-alcohol-and-cannabis-use-disorder-and-early-onset-of-drug-use-by-their-children
#6
Kimberly L Henry
OBJECTIVE: The unique influence of fathers' alcohol and cannabis use disorder on children's onset of use of these same substances has been rarely studied. A clear understanding of family history in this context is important for the development of family-based prevention initiatives aimed at delaying the onset of substance use among children. METHOD: Prospective, longitudinal, and intergenerational data on 274 father-child dyads were used. Logistic regression models were estimated to assess the association between fathers' lifetime incidence of an alcohol and cannabis use disorder and children's onset of use of these same substances at or before age 15...
May 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28494249/evaluation-of-problematic-psychoactive-substances-use-in-people-placed-in-police-custody
#7
Marie Gérardin, Gabriel Guigand, Laura Wainstein, Pascale Jolliet, Caroline Victorri-Vigneau, Renaud Clément
INTRODUCTION AND AIMS: In France, the law states that any person held in custody could be examined by a doctor. The main objective of the medical examination is to give medical evidence of health compatibility with custody. This review identifies health risks such as addictive behaviour. We wanted to know which psychoactive substances are used in this particular population, and how problematic these uses are. DESIGN AND METHODS: A prospective, monocentric, open-ended study conducted via a structured questionnaire was carried out on detainees who reported having taken drugs or illegal substances...
May 2, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28490916/the-cannabis-withdrawal-syndrome-current-insights
#8
REVIEW
Udo Bonnet, Ulrich W Preuss
The cannabis withdrawal syndrome (CWS) is a criterion of cannabis use disorders (CUDs) (Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition) and cannabis dependence (International Classification of Diseases [ICD]-10). Several lines of evidence from animal and human studies indicate that cessation from long-term and regular cannabis use precipitates a specific withdrawal syndrome with mainly mood and behavioral symptoms of light to moderate intensity, which can usually be treated in an outpatient setting...
2017: Substance Abuse and Rehabilitation
https://www.readbyqxmd.com/read/28487076/evidence-for-differential-opioid-use-disorder-in-schizophrenia-in-an-addiction-treatment-population
#9
Joshua Chiappelli, Shuo Chen, Ann Hackman, L Elliot Hong
Although people diagnosed with schizophrenia are known to have elevated risks of abuse and dependence for nicotine, alcohol, cocaine, and cannabis, it is less clear if schizophrenia is associated with higher rates of opioid use disorders compared to either the general population or individuals with other major psychiatric disorders. Here we examine a large publicly available database from substance abuse treatment centers to compare how frequently patients with schizophrenia report problems with heroin or other opioid drugs compared to other major drugs of abuse...
May 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28482196/auditory-and-non-auditory-hallucinations-in-first-episode-psychosis-differential-associations-with-diverse-clinical-features
#10
Chiara Galletti, Enrico Paolini, Alfonso Tortorella, Michael T Compton
Data from 247 first-episode psychosis patients were used to explore associations between types of hallucinations and nine diverse clinical characteristics. Psychopathology was rated using the Scale for the Assessment of Positive Symptoms and Scale for the Assessment of Negative Symptoms (SANS). Childhood adversity was assessed with seven instruments; family history with an adapted version of the Family Interview for Genetic Studies; age at onset of psychosis and duration of untreated psychosis (DUP) with the Symptom Onset in Schizophrenia inventory; and insight with the Birchwood Insight Scale...
April 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28475942/distinct-cognitive-performance-and-patterns-of-drug-use-among-early-and-late-onset-cocaine-users
#11
Bruna Mayara Lopes, Priscila Dib Gonçalves, Mariella Ometto, Bernardo Dos Santos, Mikael Cavallet, Tiffany Moukbel Chaim-Avancini, Mauricio Henriques Serpa, Sergio Nicastri, André Malbergier, Geraldo F Busatto, Arthur Guerra de Andrade, Paulo Jannuzzi Cunha
INTRODUCTION: Adolescence is a crucial period for neurodevelopment, but few studies have investigated the impact of early cocaine use on cognitive performance and patterns of substance use. METHODS: We evaluated 103 cocaine dependent inpatients divided in two groups: early-onset users (EOG; n=52), late-onset users (LOG; n=51), and 63 healthy controls. Neuropsychological functioning was evaluated using Digits Forward (DF) and Backward (DB), Trail Making Test (TMT), Stroop Color Word Test (SCWT), Controlled Oral Word Association Test (COWAT), Wisconsin Card Sorting Test (WCST), Rey Osterrieth Complex Figure Test (ROCFT), Frontal Assessment Battery (FAB), and Iowa Gambling Test (IGT)...
April 29, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28466235/cannabis-and-depression-a-twin-model-approach-to-co-morbidity
#12
M Smolkina, K I Morley, F Rijsdijk, A Agrawal, J E Bergin, E C Nelson, D Statham, N G Martin, M T Lynskey
Cannabis use disorder (CUD) co-occurs with major depressive disorder (MDD) more frequently than would be expected by chance. However, studies to date have not produced a clear understanding of the mechanisms underlying this co-morbidity. Genetically informative studies can add valuable insight to this problem, as they allow the evaluation of competing models of co-morbidity. This study uses data from the Australian Twin Registry to compare 13 co-morbidity twin models initially proposed by Neale and Kendler (Am J Hum Genet 57:935-953, 1995)...
May 2, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28464965/risk-of-transition-to-schizophrenia-following-first-admission-with-substance-induced-psychotic-disorder-a-population-based-longitudinal-cohort-study
#13
H L Alderson, D M Semple, C Blayney, F Queirazza, V Chekuri, S M Lawrie
BACKGROUND: The potential for drugs of abuse to induce acute psychotic symptoms is well recognised. However, the likelihood of transition from initial substance-induced psychotic disorder (SIPD) to chronic psychosis is much less well understood. This study investigated the rate of SIPD transition to schizophrenia (F20), the time to conversion and other possible related factors. METHODS: Using data from the Scottish Morbidity Record, we examined all patients (n = 3486) since their first admission to psychiatric hospital with a diagnosis of SIPD [International Classification of Diseases, Tenth Revision (ICD-10) codes F10-F19, with third digit five] from January 1997 to July 2012...
May 3, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28463803/predictive-validity-of-cannabis-consumption-measures-results-from-a-national-longitudinal-study
#14
Anne Buu, Yi-Han Hu, Sanjana Pampati, Brooke J Arterberry, Hsien-Chang Lin
BACKGROUND: Validating the utility of cannabis consumption measures for predicting later cannabis related symptomatology or progression to cannabis use disorder (CUD) is crucial for prevention and intervention work that may use consumption measures for quick screening. This study examined whether cannabis use quantity and frequency predicted CUD symptom counts, progression to onset of CUD, and persistence of CUD. METHODS: Data from the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) at Wave 1 (2001-2002) and Wave 2 (2004-2005) were used to identify three risk samples: (1) current cannabis users at Wave 1 who were at risk for having CUD symptoms at Wave 2; (2) current users without lifetime CUD who were at risk for incident CUD; and (3) current users with past-year CUD who were at risk for persistent CUD...
April 27, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28459730/substance-use-and-addictive-disorders-in-dsm-5-and-icd-10-and-the-draft-icd-11
#15
John B Saunders
PURPOSE OF REVIEW: The present review compares and contrasts the diagnostic entities and taxonomy of substance use and addictive disorders in the beta draft of the Eleventh Revision of the International Classification of Diseases (ICD 11), which was released in November 2016, and the Fifth Edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), which was published in mid-2013. Recently published papers relevant to these two classification systems are examined. New initiatives in diagnosis and assessment including the addictions neuroclinical assessment are noted...
April 28, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28453999/symptoms-of-obsessive-compulsive-disorder-predict-cannabis-misuse
#16
Alexander Spradlin, Dakota Mauzay, Carrie Cuttler
INTRODUCTION: Cannabis use has been linked to many psychological disorders. There is, however, a paucity of research investigating the link between cannabis use and obsessive-compulsive disorder (OCD). The present study sought to examine this link by exploring associations between severity of OCD symptoms, cannabis use, and cannabis misuse; determining whether these associations exist above and beyond symptoms of anxiety, depression, and stress; and testing the mediating role of cannabis coping motives (i...
March 31, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28446040/characteristics-of-socially-withdrawn-youth-in-france-a-retrospective-study
#17
Nicolas Chauliac, Audrey Couillet, Sophie Faivre, Nassima Brochard, Jean-Louis Terra
BACKGROUND: Poor social interactions have been recognized as a symptom since the beginnings of psychiatry. As far as socially withdrawn youth (SWY) are concerned, studies were mostly conducted on patients seeking care. Our psychiatric outreach team called Psymobile was able to reach SWY patients who were not seeking mental health care. AIMS: To identify the clinical and socio-demographic characteristics of SWY patients referred to our Psymobile unit. METHOD: We carried out a retrospective study on the records of patients aged 18-34 years, who were referred to Psymobile for 'withdrawal', between April 2012 and December 2015...
April 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28445557/us-adult-illicit-cannabis-use-cannabis-use-disorder-and-medical-marijuana-laws-1991-1992-to-2012-2013
#18
Deborah S Hasin, Aaron L Sarvet, Magdalena Cerdá, Katherine M Keyes, Malka Stohl, Sandro Galea, Melanie M Wall
Importance: Over the last 25 years, illicit cannabis use and cannabis use disorders have increased among US adults, and 28 states have passed medical marijuana laws (MML). Little is known about MML and adult illicit cannabis use or cannabis use disorders considered over time. Objective: To present national data on state MML and degree of change in the prevalence of cannabis use and disorders. Design, Participants, and Setting: Differences in the degree of change between those living in MML states and other states were examined using 3 cross-sectional US adult surveys: the National Longitudinal Alcohol Epidemiologic Survey (NLAES; 1991-1992), the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC; 2001-2002), and the National Epidemiologic Survey on Alcohol and Related Conditions-III (NESARC-III; 2012-2013)...
April 26, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28444659/new-psychoactive-substances-nps-a-challenge-for-the-addiction-treatment-services
#19
Norbert Scherbaum, F Schifano, Udo Bonnet
Over the last few years, hundreds of new psychoactive substances (NPS) have been identified in Europe. Apart from some herbal compounds, NPS mainly include synthetic cannabinoids and a range of new synthetic stimulants (e. g., cathinones). Synthetic NPS are often developed whilst modifying the basic chemical (e. g., phenethylamine or tryptamine) structure. Although the pharmacology and toxicology of most NPS are hardly known, they are being offered, especially online, as "bath salts," as "incense mixtures," or under other misleading labels...
May 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28443616/effects-of-extended-cannabis-abstinence-on-cognitive-outcomes-in-cannabis-dependent-patients-with-schizophrenia-versus-non-psychiatric-controls
#20
Rachel A Rabin, Mera S Barr, Michelle S Goodman, Yarissa Herman, Konstantine K Zakzanis, Stephen J Kish, Michael Kiang, Gary Remington, Tony P George
Cross-sectional studies of the effects of cannabis on cognition in schizophrenia have produced mixed results. Heavy and persistent cannabis use in schizophrenia is a common clinical problem, and effects of controlled abstinence from cannabis in these patients have not been carefully evaluated. The present study sought to determine the effects of cannabis abstinence on cognition in patients with schizophrenia and co-occurring cannabis dependence. We utilized a 28-day cannabis abstinence paradigm to investigate the state-dependent effects of cannabis on select cognitive outcomes in cannabis dependent patients with schizophrenia and non-psychiatric controls...
April 26, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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