# Efficacy of Quetiapine in the Treatment of Patients With Schizophrenia and a Comorbid Substance Use Disorder

> **NCT00156715** · PHASE4 · COMPLETED · sponsor: **Dartmouth-Hitchcock Medical Center** · enrollment: 23 (actual)

## Conditions studied

- Schizophrenia
- Schizoaffective Disorder
- Psychotic Disorder
- Substance Abuse
- Alcohol Abuse

## Interventions

- **DRUG:** Quetiapine

## Key facts

- **NCT ID:** NCT00156715
- **Lead sponsor:** Dartmouth-Hitchcock Medical Center
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-03
- **Primary completion:** 2006-09
- **Final completion:** 2008-10
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2018-03-14

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00156715

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00156715, "Efficacy of Quetiapine in the Treatment of Patients With Schizophrenia and a Comorbid Substance Use Disorder". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00156715. Licensed CC0.

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