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Completed Phase 4 Interventional Results available

Clozapine for Cannabis Use in Schizophrenia

ClinicalTrials.gov ID: NCT01639872

Public ClinicalTrials.gov record NCT01639872. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Clozapine for Cannabis Use Disorder in Schizophrenia

Study identification

NCT ID
NCT01639872
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Enrollment
49 participants

Conditions and interventions

Interventions

  • Clozapine Drug
  • Risperidone Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2013
Primary completion
Mar 28, 2017
Completion
Mar 28, 2017
Last update posted
May 4, 2020

2013 – 2017

United States locations

U.S. sites
9
U.S. states
8
U.S. cities
9
Facility City State ZIP Site status
CNS Network Inc Garden Grove California 92845
Pacific Research Partners Oakland California 94607
University of Miami Miami Florida 33136
Unversity of Massachusetts Medical School Worcester Massachusetts 01605
Michigan State University / Cherry Street Health Services Grand Rapids Michigan 49503
Dartmouth Hitchcock Medical Center Lebanon New Hampshire 03756
University of North Carolina/UNC Center for Excellence in Community Mental Health Raleigh North Carolina 27610
University of South Carolina Columbia South Carolina 29203
Rutland Regional Medical Center Rutland Vermont 05701

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01639872, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 4, 2020 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01639872 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →