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274 studies found for:    marijuana | Closed Studies | United States
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Rank Status Study
1 Completed Effect of Quetiapine on Marijuana Withdrawal and Relapse
Condition: Marijuana Smoking
Interventions: Drug: Marijuana;   Drug: Quetiapine
2 Completed Effect of Baclofen on Marijuana Withdrawal and Relapse
Condition: Marijuana Dependence
Interventions: Drug: Baclofen;   Drug: Marijuana
3 Completed Effect of Lofexidine and Oral THC on Marijuana Withdrawal and Relapse
Condition: Marijuana Dependence
Interventions: Drug: Lofexidine;   Drug: dronabinol;   Drug: Marijuana
4 Completed Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks
Condition: Marijuana Use Disorders
Intervention: Drug: Marijuana
5 Completed Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana
Condition: Marijuana Smoking
Interventions: Drug: Naltrexone;   Drug: marijuana
6 Unknown  The Effect of Prescription Medications in Marijuana Users
Condition: Marijuana Abuse
Intervention: Drug: bupropion, diazepam, dronabinol, ramelteon (Investigational Drug)
7 Completed Comparison Between Marijuana Smoked in Cigarette Paper Versus Cigar Paper
Condition: Marijuana Dependence
Interventions: Drug: Marijuana;   Drug: Naltrexone
8 Completed Marijuana Drug Discrimination and Self-Administration
Condition: Marijuana Abuse
Intervention: Drug: THC (delta-9 tetrahydrocannabinol), d-amphetamine, oral THC
9 Completed
Has Results
Treatment for Adolescent Marijuana Abuse
Condition: Marijuana Abuse
Interventions: Behavioral: MET/CBT;   Behavioral: CM;   Behavioral: BPT
10 Completed Pharmacokinetic and Pharmacodynamic Effects of Passive Cannabis Inhalation
Condition: Cannabis Intoxication
Interventions: Drug: Cannabis;   Drug: Second-hand cannabis smoke
11 Completed
Has Results
Vilazodone Treatment for Marijuana Dependence
Condition: Marijuana Dependence
Interventions: Drug: Vilazodone;   Drug: Placebo
12 Completed
Has Results
Buspirone Treatment for Marijuana Dependence
Condition: Marijuana Dependence
Interventions: Drug: Buspirone;   Drug: Placebo
13 Completed Characterization of the Analgesic Effects of Oral THC and Smoked Marijuana in Non-treatment Seeking Marijuana Smokers
Conditions: Pain;   Mood
Interventions: Drug: Oral THC;   Drug: Marijuana
14 Completed
Has Results
Stress and Marijuana Cue-elicited Craving and Reactivity
Condition: Cannabis Use Disorders
Interventions: Other: Stress + cue exposure;   Other: No stress + cue exposure
15 Unknown  Vaporized Cannabis for Chronic Pain Associated With Sickle Cell Disease
Condition: Sickle Cell Disease
Intervention: Drug: Cannabis
16 Completed Effectiveness of Nefazodone and Bupropion in Treating Marijuana Dependent Individuals
Condition: Marijuana Abuse
Interventions: Drug: Nefazodone;   Drug: Bupropion
17 Active, not recruiting Marijuana Approach Bias Retraining and Neural Response in Youth
Conditions: Alcohol Approach/Avoidance Task;   Sham Approach/Avoidance Task
Intervention: Behavioral: Marijuana Approach Avoidance Training
18 Completed Sex Differences in Attentional Bias in Marijuana-dependent Individuals
Condition: Marijuana Dependence
Intervention: Other: Cognitive stressor
19 Active, not recruiting Improving Brief Marijuana Interventions With a Behavioral Economic Supplement
Condition: Marijuana Use
Interventions: Behavioral: Brief Motivational Intervention (BMI);   Behavioral: Substance-Free Activity Session (SFAS);   Behavioral: Relaxation Session
20 Completed Marijuana Treatment Project - 3
Condition: Marijuana Dependence
Interventions: Behavioral: Reinforcement for homework completion;   Behavioral: Reinforcement for Abstinence;   Behavioral: Case Management

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Study has passed its completion date and status has not been verified in more than two years.