The recent identification of cannabinoid receptors and their endogenous lipid ligands has triggered an exponential growth of studies exploring the endocannabinoid system and its regulatory functions in health and disease. Such studies have been greatly facilitated by the introduction of selective cannabinoid receptor antagonists and inhibitors of endocannabinoid metabolism and transport, as well as mice deficient in cannabinoid receptors or the endocannabinoid-degrading enzyme fatty acid amidohydrolase. In the past decade, the endocannabinoid system has been implicated in a growing number of physiological functions, both in the central and peripheral nervous systems and in peripheral organs. More importantly, modulating the activity of the endocannabinoid system turned out to hold therapeutic promise in a wide range of disparate diseases and pathological conditions, ranging from mood and anxiety disorders, movement disorders such as Parkinson9s and Huntington9s disease, neuropathic pain, multiple sclerosis and spinal cord injury, to cancer, atherosclerosis, myocardial infarction, stroke, hypertension, glaucoma, obesity/metabolic syndrome, and osteoporosis, to name just a few. An impediment to the development of cannabinoid medications has been the socially unacceptable psychoactive properties of plant-derived or synthetic agonists, mediated by CB 1 receptors. However, this problem does not arise when the therapeutic aim is achieved by treatment with a CB 1 receptor antagonist, such as in obesity, and may also be absent when the action of endocannabinoids is enhanced indirectly through blocking their metabolism or transport. The use of selective CB 2 receptor agonists, which lack psychoactive properties, could represent another promising avenue for certain conditions. The abuse potential of plant-derived cannabinoids may also be limited through the use of preparations with controlled composition and the careful selection of dose and route of administration. The growing number of preclinical studies and clinical trials with compounds that modulate the endocannabinoid system will probably result in novel therapeutic approaches in a number of diseases for which current treatments do not fully address the patients9 need. Here, we provide a comprehensive overview on the current state of knowledge of the endocannabinoid system as a target of pharmacotherapy.

http://www.phytecs.com/wp-content/uploads/2015/02/Pharmacol-Rev-2006-Pacher-389-462.pdf

The Endocannabinoid System as an Emerging Target of Pharmacotherapy

ContextAlcohol dependence treatment may include medications, behavioral therapies, or both. It is unknown how combining these treatments may impact their effectiveness, especially in the context of primary care and other nonspecialty settings.ObjectivesTo evaluate the efficacy of medication, behavioral therapies, and their combinations for treatment of alcohol dependence and to evaluate placebo effect on overall outcome.Design, Setting, and ParticipantsRandomized controlled trial conducted January 2001-January 2004 among 1383 recently alcohol-abstinent volunteers (median age, 44 years) from 11 US academic sites with Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, diagnoses of primary alcohol dependence.InterventionsEight groups of patients received medical management with 16 weeks of naltrexone (100 mg/d) or acamprosate (3 g/d), both, and/or both placebos, with or without a combined behavioral intervention (CBI). A ninth group received CBI only (no pills). Patients were also evaluated for up to 1 year after treatment.Main Outcome MeasuresPercent days abstinent from alcohol and time to first heavy drinking day.ResultsAll groups showed substantial reduction in drinking. During treatment, patients receiving naltrexone plus medical management (n = 302), CBI plus medical management and placebos (n = 305), or both naltrexone and CBI plus medical management (n = 309) had higher percent days abstinent (80.6, 79.2, and 77.1, respectively) than the 75.1 in those receiving placebos and medical management only (n = 305), a significant naltrexone × behavioral intervention interaction (P = .009). Naltrexone also reduced risk of a heavy drinking day (hazard ratio, 0.72; 97.5% CI, 0.53-0.98; P = .02) over time, most evident in those receiving medical management but not CBI. Acamprosate showed no significant effect on drinking vs placebo, either by itself or with any combination of naltrexone, CBI, or both. During treatment, those receiving CBI without pills or medical management (n = 157) had lower percent days abstinent (66.6) than those receiving placebo plus medical management alone (n = 153) or placebo plus medical management and CBI (n = 156) (73.8 and 79.8, respectively; P<.001). One year after treatment, these between-group effects were similar but no longer significant.ConclusionsPatients receiving medical management with naltrexone, CBI, or both fared better on drinking outcomes, whereas acamprosate showed no evidence of efficacy, with or without CBI. No combination produced better efficacy than naltrexone or CBI alone in the presence of medical management. Placebo pills and meeting with a health care professional had a positive effect above that of CBI during treatment. Naltrexone with medical management could be delivered in health care settings, thus serving alcohol-dependent patients who might otherwise not receive treatment.Trial Registrationclinicaltrials.gov Identifier: NCT00006206

/pdf/combined-pharmacotherapies-and-behavioral-interventions-for-2vogia99j0.pdf

Combined Pharmacotherapies and Behavioral Interventions for Alcohol Dependence: The COMBINE Study: A Randomized Controlled Trial

Inhibition and impulsivity: Behavioral and neural basis of response control

http://homepages.se.edu/cvonbergen/files/2013/01/Fifty-Years-of-the-Barratt-Impulsivenss-Scale_An-Update-and-Review.pdf

Fifty years of the Barratt Impulsiveness Scale: An update and review

The discovery of cannabinoid receptors and subsequent identification of their endogenous ligands (endocannabinoids) in early 1990s have greatly accelerated research on cannabinoid actions in the br...

Endocannabinoid-Mediated Control of Synaptic Transmission

Éxtasis (3,4-metilendioximetanfetamina, MDMA): aspectos farmacológicos, clínicos y criminológicos

Dependencia al alcohol: de la neurobiología al tratamiento

Substance abuse is the most prevalent comorbid psychiatric condition associated with schizophrenia. Cannabis is a drug frequently used for schizophrenic patients. In the last decades the endocannabinoid system and their endogenous ligands have been discovered. Endogenous cannabinoids act in the brain on cannabinoid CB1 receptor. On the other hand this system may be involved in several brain functions through neuromodulation dopaminergic and other neurotransmitter system involved in schizophrenic and substance abuse disorders. Advances of genetic research have addressed the focus on the search of candidate genes for both disorders. In this review we have summarized the studies published about the CNR1 gene on schizophrenia and substance abuse disorders.

Endocannabinoid system and CNR1 gene polymorphisms in schizophrenia and addictive disorders

Resumen Objetivo El objetivo es estimar la prevalencia de consumos de riesgo de drogas y patrones de consumo en atencion primaria. Diseno Estudio multicentrico descriptivo transversal. Emplazamiento Cinco centros de salud del area Sur de Madrid. Participantes Poblacion consultante en atencion primaria entre 16-100 anos. Mediciones Se utilizo el test ASSIST validado al castellano de la Organizacion Mundial de la Salud para el cribado de consumo de drogas. Se calculo la puntuacion total para cada droga. Resultados Se realizaron un total de 441 cribados. La edad media fue de 51,3 anos y un 56,1% presento algun consumo de riesgo moderado o grave para alguna de las 9 sustancias cribadas. Las drogas con cribado de riesgo mas consumidas fueron el tabaco (41,7%), el alcohol (15,4%), los sedantes o los hipnoticos (13,7%) y el cannabis (5,7%), encontrandose algunas diferencias: los hombres consumian mas alcohol y cannabis; las mujeres tenian mayor consumo de sedantes/hipnoticos que los hombres. Se observo policonsumo en un 16% de los sujetos. Conclusiones Existen riesgos derivados del consumo tabaco, alcohol, sedantes y cannabis en atencion primaria. Existe una mayor prevalencia de sedantes e hipnoticos.

Cribado de riesgos derivados del consumo de drogas utilizando la herramienta ASSIST (Alcohol, smoking and substances involvement screening test) en pacientes de atención primaria: estudio transversal

Gabriel Rubio

Papers

Éxtasis (3,4-metilendioximetanfetamina, MDMA): aspectos farmacológicos, clínicos y criminológicos

Dependencia al alcohol: de la neurobiología al tratamiento

Endocannabinoid system and CNR1 gene polymorphisms in schizophrenia and addictive disorders

Cribado de riesgos derivados del consumo de drogas utilizando la herramienta ASSIST (Alcohol, smoking and substances involvement screening test) en pacientes de atención primaria: estudio transversal

Neuropsychology and alcoholism: Influence of childhood ADHD history