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NCT00330551 · ClinicalTrials.gov registry record · Phase 4
Oral Versus Injectable Risperidone for Treating First-Episode Schizophrenia
A Phase 4 study, sponsored by University of California, Los Angeles.
- Completed
- Registry status
- Phase 4
- Development phase
- 126
- Enrollment target
NCT00330551: Completed Phase 4 study, sponsored by University of California, Los Angeles.
NCT00330551 is a Phase 4 study that has completed, run by University of California, Los Angeles. The registered enrollment target is 126 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (76% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00330551, a Phase 4 study, has completed, sponsored by University of California, Los Angeles.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 126 participants
- Enrollment target
Study Summary
This study will determine the effectiveness of oral risperidone versus long-acting injectable risperidone in treating people with first-episode schizophrenia.
Primary Outcome
5-point scale (1 = best adherence, 5= nonadherent) based on pill counts, MEMS cap readings, plasma assays, and psychiatrist judgments for oral risperidone and timing of injections for long-acting injectable risperidone averaged over study participation
Interventions
- DRUG Oral Risperidone
- DRUG Risperidone in Long-Acting Injectable Form (Consta)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 126 participants |
| Start Date | 2006-03 |
| Est. Completion | 2012-11 |
| Phase | Phase 4 |
What the finished NCT00330551 record still lists
NCT00330551 is an interventional study that assigns participants to a tested intervention. The registered 126 participants enrollment target is mid-sized for trials with a published cap, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (76% lower).
The record links to 0 conditions, and to 2 interventions - of which Oral Risperidone is the first listed.
NCT00330551 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00330551 about?
NCT00330551 is a clinical study titled "Oral Versus Injectable Risperidone for Treating First-Episode Schizophrenia". This study will determine the effectiveness of oral risperidone versus long-acting injectable risperidone in treating people with first-episode schizophrenia.
What is the current status of trial NCT00330551?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 126 participants. The study started on 2006-03. Estimated completion is 2012-11.
What interventions are being tested in trial NCT00330551?
The interventions under investigation include: Oral Risperidone (DRUG), Risperidone in Long-Acting Injectable Form (Consta) (DRUG).
Who is sponsoring clinical trial NCT00330551?
This trial is sponsored by University of California, Los Angeles, which has 897 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00330551's enrollment target sits among peer trials
126 646th of 2000 higher than 1,354 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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