Clinical trial

Effectiveness of Clozapine Versus Olanzapine for Treatment-resistant…

NCT00169065 · Harvard Medical School (HMS and HSDM), Other · Completed

Key facts

NCT number NCT00169065
Title Effectiveness of Clozapine Versus Olanzapine for Treatment-resistant Schizophrenia
Official title Clozapine vs. Olanzapine: An Effectiveness Study
Acronym COES
Lead sponsor Harvard Medical School (HMS and HSDM), Other
Collaborators National Institute of Mental Health (NIMH) NIH Dartmouth-Hitchcock Medical Center Commonwealth Research Center, Massachusetts Eli Lilly and Company Industry
Status Completed
Phase Phase 4
Study type Interventional
Conditions Schizophrenia
Intervention type Drug
Interventions Clozapine, Olanzapine
Enrollment 38
Start date Aug 1, 1998
Primary completion Jun 1, 2002
Completion Jun 1, 2002
First posted Sep 15, 2005
Last update posted Apr 7, 2015
Countries United States

At a glance

  • 1–9 Study sites
  • No Results posted
  • None Linked FDA submissions

Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.

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Source: U.S. National Library of Medicine (NLM), ClinicalTrials.gov · Source date:

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