deltatrials
Terminated PHASE4 NCT00169039

Clozapine Versus Chlorpromazine for Treatment-Unresponsive Schizophrenia

Clozapine Response and Biogenic Amines in Schizophrenia

Sponsor: Commonwealth Research Center, Massachusetts

Conditions Schizophrenia
Interventions Chlorpromazine Clozapine
Updated 6 times since 2017 Last updated: Apr 6, 2015 Started: Dec 31, 1994 Completion: Feb 28, 2002

A PHASE4 clinical study on Schizophrenia, this trial is terminated or withdrawn. The trial is conducted by Commonwealth Research Center, Massachusetts and has accumulated 6 data snapshots since 1994. Psychiatric clinical trials are essential for establishing evidence-based treatment standards.

Change History

6 versions recorded

  1. Sep 2024 — Present [monthly]

    Terminated PHASE4

  2. Jul 2024 — Sep 2024 [monthly]

    Terminated PHASE4

  3. Jan 2022 — Jul 2024 [monthly]

    Terminated PHASE4

  4. Jan 2021 — Jan 2022 [monthly]

    Terminated PHASE4

  5. Jun 2018 — Jan 2021 [monthly]

    Terminated PHASE4

▶ Show 1 earlier version

  1. Jan 2017 — Jun 2018 [monthly]

    Terminated PHASE4

    First recorded

Dec 1994

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Commonwealth Research Center, Massachusetts
  • Dartmouth-Hitchcock Medical Center
  • Harvard Medical School (HMS and HSDM)
  • National Institute of Mental Health (NIMH)
  • Novartis
Data source: Harvard Medical School (HMS and HSDM)

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

  • • Jamaica Plain, United States