Clinical trials: Substance-Induced Psychoses
Schizophrenia
The Effects of Cannabis Use in People With Schizophrenia on Clinical, Neuropsychological and Physiological Phenotypes
Approximately 25% of people with schizophrenia abuse marijuana. These people may be using marijuana to self-medicate symptoms such as hallucinations (hearing or seeing things that are not heard or seen by others) or delusions…
- Trial name
- NCT01832766
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- University of Colorado, Denver
Schizophrenia, Psychotic Disorders
A Brief Community Linkage Intervention for Dually Diagnosed Individuals
Surveys suggest that up to 80% of veterans with a persistent mental illness have a co-occurring substance use disorder. Substance abuse among this population is problematic and often results in poor engagement in treatment and…
- Conditions
- Schizophrenia, Psychotic Disorders, Substance-Related Disorders, Bipolar Disorder
- Trial name
- TLC (NCT00137267)
- Testing
- Time limited case management, Health Education
- Where
- 2 sites in United States
- Volunteers
- 102 people
- Sponsor
- US Department of Veterans Affairs
Bipolar Disorder, Alcoholism
Aripiprazole for Bipolar Disorder and Alcohol Use Disorder
The investigators will conduct a 12-week, randomized, double-blind, parallel-group, placebo-controlled study of aripiprazole in 132 persons with Alcohol Use Disorder (AUD) and bipolar I or II disorder, currently depressed or…
- Conditions
- Bipolar Disorder, Alcoholism, Alcohol Abuse
- Trial name
- NCT02918370
- Testing
- Aripiprazole
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- University of Texas Southwestern Medical Center
Tobacco Use Disorder, Schizophrenia
Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia
The objective of this study is to investigate the relative contributions of nicotine replacement and sensorimotor replacement (i.e., smoking denicotinized cigarettes) on abstinence-induced smoking urges, withdrawal-related…
- Trial name
- NCT01213524
- Testing
- sensorimotor replacement, 42 mg transdermal nicotine replacement, usual brand smoking
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Brown University
Schizophrenia, Psychotic Disorders
Risperidone Long-acting Versus Oral Risperidone in Patients With Schizophrenia and Alcohol Use Disorder
The purpose of this study is to compare the efficacy of oral risperidone (Risperdal) to risperidone long-acting (Consta) in reducing alcohol use in persons diagnosed with schizophrenia or schizoaffective disorder.
- Conditions
- Schizophrenia, Psychotic Disorders, Substance Abuse, Alcohol Abuse
- Trial name
- NCT00130923
- Testing
- Risperidone Long Acting, oral risperidone
- Where
- 8 sites in United States
- Volunteers
- 95 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Bipolar Disorder, Schizophrenia
Novel Pharmacotherapy Approaches in Smokers With Serious Mental Illness
Approximately 60 chronic smokers with bipolar disorder, schizophrenia or schizoaffective disorder who are motivated to try to quit smoking will be randomized to receive smoking cessation treatment with the FDA-approved…
- Conditions
- Bipolar Disorder, Schizophrenia, Schizoaffective Disorder, Nicotine Dependence
- Trial name
- NCT04011280
- Testing
- Varenicline
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- University of California, San Diego
Alcohol Dependence, Schizophrenia
Treatment With Acamprosate in Patients With Schizophrenia and Comorbid Alcoholism
The aim of this study is to evaluate the safety and efficacy of acamprosate for patients with alcohol dependence and comorbid schizophrenia spectrum disorders.
- Trial name
- NCT00463346
- Testing
- Acamprosate
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Yale University
Smoking Cessation, Nicotine Addiction
Circuitry-Guided Smoking Cessation in Schizophrenia
In a double-blinded, randomized, parallel controlled design, patients with schizophrenia spectrum disorder will be exposed to active or sham repetitive transcranial magentic stimulation (TMS) which was guided by functional…
- Conditions
- Smoking Cessation, Nicotine Addiction, Schizophrenia
- Trial name
- NCT03281629
- Testing
- Active TMS stimulation
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of Maryland, Baltimore
Parkinson Disease
A Study of Tolerability and Efficacy of Cannabidiol on Motor Symptoms in Parkinson's Disease
The major purpose of this study is to assess the efficacy of CBD on motor symptoms of Parkinson's Disease (PD), and secondarily to study the safety and tolerability of CBD and other efficacy, particularly regarding tremor in PD.
- Trial name
- NCT03582137
- Testing
- Cannabidiol
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- University of Colorado, Denver
Schizophrenia, Bipolar Disorder
Individualizing Incentives for Alcohol in the Severely Mentally Ill
The investigators will evaluate the efficacy of a 2 various contingency management (CM) interventions (High-Magnitude CM, Shaping CM) for treating heavy drinking among individuals with serious mental illness and alcohol…
- Conditions
- Schizophrenia, Bipolar Disorder, Major Depressive Disorder, Alcohol Dependence
- Trial name
- NCT03481049
- Testing
- Usual CM, High-Magnitude CM, Shaping CM
- Where
- 2 sites in United States
- Volunteers
- 392 people, healthy volunteers welcome
- Sponsor
- Washington State University
Parkinson's Disease
A Study of Tolerability and Efficacy of Cannabidiol on Tremor in Parkinson's Disease
The major purpose of the Stage 1 is to study the safety and tolerability of the proposed dosage regimen of the study drug. The form of cannabidiol (CBD) used in this study is GWP42003, supplied by GW Pharmaceuticals.
- Trial name
- NCT02818777
- Testing
- cannabidiol
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- University of Colorado, Denver
Schizophrenia, Cannabis Abuse
Clozapine for Cannabis Use in Schizophrenia
Many individuals with schizophrenia also suffer from marijuana addiction that worsens their problems related to schizophrenia. Most of the medications prescribed for schizophrenia have no effect on reducing marijuana use.
- Conditions
- Schizophrenia, Cannabis Abuse, Cannabis Dependence, Dual Diagnosis
- Trial name
- CLOCS (NCT01639872)
- Testing
- Clozapine, Risperidone
- Where
- 9 sites in United States
- Volunteers
- 49 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
HIV Infections, Schizophrenia
Effectiveness of the Screen, Test, Immunize, Reduce Risk, and Refer (STIRR) Intervention for People With Both a Mental and Substance Abuse Disorder
This study will determine the effectiveness of the STIRR (Screen, Test, Immunize, Reduce risk, and Refer) intervention in increasing rates of testing, immunization, referral, and treatment for blood-borne diseases, such as…
- Conditions
- HIV Infections, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
- Trial name
- NCT00316303
- Testing
- Twinrix, Enhanced treatment as usual
- Where
- United States
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Alcohol Dependence, Bipolar Disorder
Treatment of Alcohol Dependence and Comorbid Bipolar Disorder
The study will determine if individuals with co-occurring bipolar disorder and alcohol dependence report reduced alcohol consumption, improvement in mood symptoms, and cognitive performance if treated with lamotrigine plus their…
- Conditions
- Alcohol Dependence, Bipolar Disorder, Depression, Mania
- Trial name
- NCT01015586
- Testing
- Lamotrigine
- Where
- United States
- Volunteers
- 43 people
- Sponsor
- Medical University of South Carolina
Psychosis, Substance Abuse
Effect Evaluation of Individual Placement and Support (IPS)
Roughly one third of disability pensions issued in Norway are classified as mental and behavioral disorders. The proposed study aims to evaluate the effect of an innovative intervention for returning people with moderate to…
- Conditions
- Psychosis, Substance Abuse, Depression, Anxiety
- Trial name
- NCT01964092
- Testing
- Individual Placement and Support, Ordinary employment schemes
- Where
- Norway
- Volunteers
- 410 people
- Sponsor
- NORCE Norwegian Research Centre AS
Severe Mental Illness, Nicotine Dependence
Electronic Decision Support Systems for Smokers With Severe Mental Illness
This randomized clinical trial among SMI smokers assessed whether the EDSS with carbon monoxide monitor and health-checklist feedback lead to higher rates of initiation of smoking cessation treatment, days of smoking abstinence…
- Conditions
- Severe Mental Illness, Nicotine Dependence, Schizophrenia, Tobacco Use Disorder
- Trial name
- NCT01412866
- Testing
- EDSS with CO feedback and health checklist, EDSS with health checklist feedback alon
- Where
- United States
- Volunteers
- 124 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Tobacco Dependence, Schizophrenia
Cigarette Smoking in Smokers With and Without Schizophrenia
Higher rates and severity of tobacco dependence in people with schizophrenia, as compared with the general population, contribute to the lower life expectancy seen in this population.
- Trial name
- NCT04001114
- Testing
- Sampling Research Cigarettes
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Schizophrenia, Dual Diagnosis
Cannabis and Schizophrenia: Self-Medication and Agonist Treatment
The first aim of this study is to determine whether a brain reward center (BRC) deficiency in patients with schizophrenia (SCZ) and cannabis use disorder (CUD) will be normalized when patients are given cannabis or dronabinol.
- Conditions
- Schizophrenia, Dual Diagnosis, Schizoaffective Disorder, Psychotic Disorder
- Trial name
- NCT00946348
- Testing
- Dronabinol, Cannabis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center