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NCT00169091 · ClinicalTrials.gov registry record · Phase 4
Clozapine Versus Haloperidol for Treating the First Episode of Schizophrenia
A Phase 4 study, sponsored by Harvard Medical School (HMS and HSDM).
- Terminated
- Registry status
- Phase 4
- Development phase
- 32
- Enrollment target
NCT00169091: Clinical Trial Phase 4 study, sponsored by Harvard Medical School (HMS and HSDM).
NCT00169091 is a Phase 4 study that was terminated before completion, run by Harvard Medical School (HMS and HSDM). The registered enrollment target is 32 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00169091, a Phase 4 study, was terminated before completion, sponsored by Harvard Medical School (HMS and HSDM).
- TERMINATED
- Registry status
- Phase 4
- Development phase
- 32 participants
- Enrollment target
Study Summary
This study will examine the physical responses brought on by clozapine and haloperidol in people experiencing their first episode of schizophrenia.
Primary Outcome
This study will use the 24 item BPRS
Interventions
- DRUG Haloperidol
- DRUG Clozapine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 32 participants |
| Start Date | 1996-03 |
| Est. Completion | 2003-10 |
| Phase | Phase 4 |
Why NCT00169091 stopped before completion
NCT00169091 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 32 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (94% lower).
The record links to 0 conditions, and to 2 interventions - of which Haloperidol is the first listed.
NCT00169091 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00169091 about?
NCT00169091 is a clinical study titled "Clozapine Versus Haloperidol for Treating the First Episode of Schizophrenia". This study will examine the physical responses brought on by clozapine and haloperidol in people experiencing their first episode of schizophrenia.
What is the current status of trial NCT00169091?
This trial is currently terminated. It is a Phase 4 study. The enrollment target is 32 participants. The study started on 1996-03. Estimated completion is 2003-10.
What interventions are being tested in trial NCT00169091?
The interventions under investigation include: Haloperidol (DRUG), Clozapine (DRUG).
Who is sponsoring clinical trial NCT00169091?
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 NCT00169091's enrollment target sits among peer trials
32 1534th of 2000 higher than 457 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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