Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT00034580 · ClinicalTrials.gov registry record · Phase 4
Olanzapine Versus Active Comparator in the Treatment of Bipolar I Disorder
A Phase 4 study, sponsored by Eli Lilly and Company.
- Completed
- Registry status
- Phase 4
- Development phase
- 326
- Enrollment target
NCT00034580: Completed Phase 4 study, sponsored by Eli Lilly and Company.
NCT00034580 is a Phase 4 study that has completed, run by Eli Lilly and Company. The registered enrollment target is 326 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (37% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00034580, a Phase 4 study, has completed, sponsored by Eli Lilly and Company.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 326 participants
- Enrollment target
Study Summary
This is a research study comparing the safety and efficacy of two active study medications for the treatment of bipolar I disorder.
Interventions
- DRUG risperidone
- DRUG olanzapine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 326 participants |
| Start Date | 2001-08 |
| Est. Completion | 2002-08 |
| Phase | Phase 4 |
What the finished NCT00034580 record still lists
NCT00034580 is an interventional study that assigns participants to a tested intervention. The registered 326 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 (37% lower).
The record links to 0 conditions, and to 2 interventions - of which risperidone is the first listed.
NCT00034580 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00034580 about?
NCT00034580 is a clinical study titled "Olanzapine Versus Active Comparator in the Treatment of Bipolar I Disorder". This is a research study comparing the safety and efficacy of two active study medications for the treatment of bipolar I disorder.
What is the current status of trial NCT00034580?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 326 participants. The study started on 2001-08. Estimated completion is 2002-08.
What interventions are being tested in trial NCT00034580?
The interventions under investigation include: risperidone (DRUG), olanzapine (DRUG).
Who is sponsoring clinical trial NCT00034580?
This trial is sponsored by Eli Lilly and Company, which has 1,341 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00034580's enrollment target sits among peer trials
326 253rd of 2000 higher than 1,747 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
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT06410144 · 326 participants · NA
Chronic Kidney Disease-Education (CKD-EDU)
- NCT06586619 · 326 participants · NA
A Remotely Delivered Tai Chi/Qigong Intervention for Older People Living With HIV
- NCT07040566 · 326 participants · Phase 2
A Trial of Varenicline for E-cigarette Cessation
- NCT07165860 · 326 participants · NA
Clinical Trial to Reduce Perinatal Intimate Partner Violence
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia