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NCT00169039 · ClinicalTrials.gov registry record · Phase 4
Clozapine Versus Chlorpromazine for Treatment-Unresponsive Schizophrenia
A Phase 4 study, sponsored by Harvard Medical School (HMS and HSDM).
- Terminated
- Registry status
- Phase 4
- Development phase
- 66
- Enrollment target
NCT00169039: Clinical Trial Phase 4 study, sponsored by Harvard Medical School (HMS and HSDM).
NCT00169039 is a Phase 4 study that was terminated before completion, run by Harvard Medical School (HMS and HSDM). The registered enrollment target is 66 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (87% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00169039, a Phase 4 study, was terminated before completion, sponsored by Harvard Medical School (HMS and HSDM).
- TERMINATED
- Registry status
- Phase 4
- Development phase
- 66 participants
- Enrollment target
Study Summary
This study will examine the physical response to clozapine or chlorpromazine in people with schizophrenia that has not improved with treatment.
Interventions
- DRUG Chlorpromazine
- DRUG Clozapine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 66 participants |
| Start Date | 1994-12 |
| Est. Completion | 2002-02 |
| Phase | Phase 4 |
Why NCT00169039 stopped before completion
NCT00169039 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 66 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (87% lower).
The record links to 0 conditions, and to 2 interventions - of which Chlorpromazine is the first listed.
NCT00169039 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00169039 about?
NCT00169039 is a clinical study titled "Clozapine Versus Chlorpromazine for Treatment-Unresponsive Schizophrenia". This study will examine the physical response to clozapine or chlorpromazine in people with schizophrenia that has not improved with treatment.
What is the current status of trial NCT00169039?
This trial is currently terminated. It is a Phase 4 study. The enrollment target is 66 participants. The study started on 1994-12. Estimated completion is 2002-02.
What interventions are being tested in trial NCT00169039?
The interventions under investigation include: Chlorpromazine (DRUG), Clozapine (DRUG).
Who is sponsoring clinical trial NCT00169039?
This trial is sponsored by Harvard Medical School (HMS and HSDM), which has 26 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00169039's enrollment target sits among peer trials
66 1083rd of 2000 higher than 910 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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