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Clinical trialNCT00156715CompletedPhase 4Interventional

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

SponsorDartmouth-Hitchcock Medical CenterEnrollment23Alcohol AbusePsychotic DisorderSchizoaffective DisorderSchizophreniaSubstance Abuse
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

4 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Medical College of Georgia

    Augusta, Georgia, United States

  • Dartmouth-Hitchcock Medical Center

    Lebanon, New Hampshire, United States

  • West Central Behavioral Health

    Lebanon, New Hampshire, United States

  • Mental Health Center of Greater Manchester

    Manchester, New Hampshire, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Mar 2004
Primary completion
30 Sept 2006
Completion
31 Oct 2008
Last update posted
14 Mar 2018
Registered enrollment
23
Registry id
NCT00156715

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.