111 studies found for:    Open Studies | "Marijuana Abuse"
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Rank Status Study
21 Unknown  The Pharmaco-genetic and Brain Mechanisms Associated With Cannabis- Induced Psychosis
Conditions: Cannabis Dependence;   Psychosis
Intervention:
22 Unknown  Improving Substance Use and Clinical Outcomes in Heavy Cannabis Users With Quetiapine
Condition: Cannabis Dependence
Intervention: Behavioral: Behavioral Intervention
23 Unknown  Chronic Cannabis Users: A Model for Negative Symptoms in Schizophrenia
Conditions: Chronic Cannabis Users;   Healthy Subjects
Interventions: Procedure: Magnetoencephalograph (MEG);   Behavioral: Cambridge Neuropsychological Test Automated Battery (CANTAB).;   Behavioral: Experimental: Scale for the Assessment of Negative Symptoms (SANS) and the Positive and Negative Syndrome Scale (PANSS)
24 Unknown  Evaluation of the Effects of Treatment of Psycho-stimulant and Cannabis-dependent Users in Israel
Conditions: Cannabis Dependence;   Psychostimulant Dependence
Intervention: Drug: Risperidone
25 Recruiting Study of the Relationship Between Dose-concentration-effect of Delta-9-tetrahydrocannabinol (THC) and the Ability to Drive in Chronic or Occasional Cannabis Users
Condition: Occasional (1-2 Joints Per Week) and Chronic (1-2 Joints Per Day) Cannabis Users
Intervention: Drug: Cannabis (THC) in cigarettes of 30mg, 10mg and placebo
26 Recruiting Evaluation Prospectively the Level of Reduction in Cognitive Functions of Cancer Patients Who Are on Active Oncology Treatments and Use Cannabis. The Second Goal is to Identify High-risk Groups for Cognitive Impairment Due to Cannabis Use.
Conditions: 1- Cancer Patients During Chemotherapy Treatment;   2- Use of Cannabis Comparing to Control Without Cannabis Use
Intervention: Drug: cannabis
27 Recruiting Treatment for Cannabis Withdrawal and Dependence
Condition: Cannabis Dependence
Interventions: Drug: Aprepitant;   Drug: Placebo
28 Not yet recruiting Pregnenolone and Marijuana Dependence
Condition: Marijuana Dependence
Interventions: Drug: Pregnenolone;   Other: Placebo
29 Recruiting Safety and Efficacy of a FAAH-Inhibitor to Treat Cannabis Withdrawal
Condition: Cannabis Dependence
Interventions: Drug: PF-04457845;   Drug: Placebo
30 Not yet recruiting Internet-Based Treatment for Individuals With Regular Cannabis Use: A Randomized Controlled Trial
Condition: Cannabis
Intervention: Behavioral: Cannabishjalpen.se
31 Recruiting Adaptive Treatment for Adolescent Cannabis Use Disorders
Conditions: Mental Disorders;   Addictive Behaviors;   Cannabis Use Disorder
Interventions: Behavioral: ACRA;   Behavioral: CBT
32 Unknown  Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks
Condition: Marijuana Use Disorders
Intervention: Drug: Marijuana
33 Recruiting Targeting Tobacco Cessation During Treatment for Cannabis Use Disorders
Condition: Cannabis Dependence;
Intervention: Behavioral: MET/CBT/CM plus NRT
34 Not yet recruiting Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy
Conditions: Marijuana Use;   Pregnancy
Interventions: Behavioral: eSBIRT;   Behavioral: Tailored texting
35 Unknown  A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana
Condition: Cannabis Dependence
Interventions: Drug: N-Acetylcysteine;   Drug: placebo;   Behavioral: Contingency Management
36 Recruiting Cannabidiol: a Novel Intervention for Cannabis Use Problems?
Condition: Cannabis Use Disorder
Interventions: Drug: Cannabidiol;   Drug: Placebo
37 Unknown  Laboratory Study of Cannabidiol on the Effects of Smoked Marijuana
Condition: Smoking, Marijuana
Intervention: Drug: cannabidiol
38 Unknown  Effects of Chronic Intake of Cannabis on Contrast Sensitivity
Condition: Chronic Intake of Cannabis.
Interventions: Other: electroretinogram;   Other: contrast sensitivity tests
39 Unknown  Computer-delivered Psychosocial Intervention for Adolescent Substance Use Disorders
Conditions: Substance-Related Disorders;   Alcohol-Related Disorders;   Marijuana Abuse
Interventions: Behavioral: Usual care;   Behavioral: Computer-delivered ACRA
40 Recruiting Effect of Oxytocin on Craving and Therapy Response
Condition: Marijuana Dependence
Interventions: Drug: Oxytocin;   Drug: Saline

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Indicates status has not been verified in more than two years