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NCT00274534 · ClinicalTrials.gov registry record · Phase 3
A Comparison of the Effects of Tiotropium Inhalation qd and Salmeterol Inhalation Bid on Arterial Blood Gases.
A Phase 3 study, sponsored by Boehringer Ingelheim.
- Completed
- Registry status
- Phase 3
- Development phase
- 36
- Enrollment target
NCT00274534: Completed Phase 3 study, sponsored by Boehringer Ingelheim.
NCT00274534 is a Phase 3 study that has completed, run by Boehringer Ingelheim. The registered enrollment target is 36 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (95% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00274534, a Phase 3 study, has completed, sponsored by Boehringer Ingelheim.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 36 participants
- Enrollment target
Study Summary
To evaluate changes in PaO2 following inhalation of Tiotropium by HandiHaler compared to Salmeterol MDI in patients with moderate to severe COPD.
Interventions
- DRUG Tiotropium
- DRUG Salmeterol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 36 participants |
| Start Date | 2000-12 |
| Est. Completion | 2003-07 |
| Phase | Phase 3 |
What the finished NCT00274534 record still lists
NCT00274534 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 36 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (95% lower).
The record links to 0 conditions, and to 2 interventions - of which Tiotropium is the first listed.
NCT00274534 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00274534 about?
NCT00274534 is a clinical study titled "A Comparison of the Effects of Tiotropium Inhalation qd and Salmeterol Inhalation Bid on Arterial Blood Gases.". To evaluate changes in PaO2 following inhalation of Tiotropium by HandiHaler compared to Salmeterol MDI in patients with moderate to severe COPD.
What is the current status of trial NCT00274534?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 36 participants. The study started on 2000-12. Estimated completion is 2003-07.
What interventions are being tested in trial NCT00274534?
The interventions under investigation include: Tiotropium (DRUG), Salmeterol (DRUG).
Who is sponsoring clinical trial NCT00274534?
This trial is sponsored by Boehringer Ingelheim, which has 515 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00274534's enrollment target sits among peer trials
36 1901st of 2000 higher than 98 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 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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