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NCT01639872 · ClinicalTrials.gov registry record · Phase 4

Clozapine for Cannabis Use in Schizophrenia

A Phase 4 study, sponsored by Dartmouth-Hitchcock Medical Center.

Completed
Registry status
Phase 4
Development phase
49
Enrollment target

NCT01639872 is a Phase 4 study that has completed, run by Dartmouth-Hitchcock Medical Center. The registered enrollment target is 49 participants.

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The verdict

NCT01639872, a Phase 4 study, has completed, sponsored by Dartmouth-Hitchcock Medical Center.

COMPLETED
Registry status
Phase 4
Development phase
49 participants
Enrollment target

Study Summary

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. Preliminary data suggests that clozapine, an atypical antipsychotic, may limit marijuana use in people diagnosed with schizophrenia, but it is not commonly used due to its side effects and is reserved for people who do not respond to other antipsychotic medications. In the proposed study, 132 individuals who are diagnosed with both schizophrenia and a cannabis use disorder will be randomized to a 12-week treatment course with either clozapine or risperidone (another commonly prescribed antipsychotic medication) to test the hypothesis that patient treated with clozapine will have decreased cannabis use as compared to patients treated with risperidone. Should this study indicate that clozapine will lessen marijuana use in persons diagnosed with schizophrenia more than risperidone, it will provide evidence needed to begin to shift clinical practice toward its use in this population.

Interventions

  • DRUG Risperidone
  • DRUG Clozapine

Trial Details

FieldValue
Enrollment Target 49 participants
Start Date 2013-05-01
Est. Completion 2017-03-29
Phase Phase 4

Sponsor

Dartmouth-Hitchcock Medical Center

427 total trials

What the Registry Record Tells You About NCT01639872

The ClinicalTrials.gov registry entry for NCT01639872 describes a study currently listed as completed, categorized as Phase 4. The registered enrollment target is 49 participants, a figure that helps gauge the scale of data the investigators plan to collect. The listed sponsor is Dartmouth-Hitchcock Medical Center, which has 427 total studies on file at ClinicalTrials.gov.

The record links to 0 conditions, and to 2 interventions - of which Risperidone is the first listed.

NCT01639872 reports 0 study locations.

Frequently Asked Questions

What is clinical trial NCT01639872 about?

NCT01639872 is a clinical study titled "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. Preliminary data suggests that clozapine, an atypical antipsychotic, may limit...

What is the current status of trial NCT01639872?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 49 participants. The study started on 2013-05-01. Estimated completion is 2017-03-29.

What interventions are being tested in trial NCT01639872?

The interventions under investigation include: Risperidone (DRUG), Clozapine (DRUG).

Who is sponsoring clinical trial NCT01639872?

This trial is sponsored by Dartmouth-Hitchcock Medical Center, which has 427 total clinical trials registered on ClinicalTrials.gov.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainTrial Editorial

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page mirrors this trial's own ClinicalTrials.gov registry record, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.