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NCT01126437 · ClinicalTrials.gov registry record · Phase 3

Comparison of Tiotropium in the HandiHaler Versus the Respimat in Chronic Obstructive Pulmonary Disease

A Phase 3 study, sponsored by Boehringer Ingelheim.

Completed
Registry status
Phase 3
Development phase
17,183
Enrollment target

NCT01126437: Completed Phase 3 study, sponsored by Boehringer Ingelheim.

NCT01126437 is a Phase 3 study that has completed, run by Boehringer Ingelheim. The registered enrollment target is 17,183 participants, above the 771-participant average among 15,282 other Phase 3 trials with a reported enrollment target (2129% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01126437, a Phase 3 study, has completed, sponsored by Boehringer Ingelheim.

COMPLETED
Registry status
Phase 3
Development phase
17,183 participants
Enrollment target

Study Summary

Direct comparison studies of the tiotropium HandiHaler® 18 µg and Respimat® 5 µg formulations have been limited to 4-week crossover studies. Therefore, prospective data from a trial of adequate size and duration is required to establish that compared to tiotropium HandiHaler®, tiotropium Respimat® will have (a) similar effects on safety and (b) similar or superior effects on exacerbations.

Primary Outcome

Number of patients with all-cause mortality

Interventions

  • DRUG tiotropium 18 mcg
  • DRUG tiotropium 1.25 mcg (2 actuations/day)
  • DRUG tiotropium 2.5 mcg (2 actuations/day)

Trial Details

FieldValue
Enrollment Target 17,183 participants
Start Date 2010-05
Est. Completion 2013-05
Phase Phase 3
Boehringer Ingelheim

515 total trials

What the finished NCT01126437 record still lists

NCT01126437 is an interventional study that assigns participants to a tested intervention. Its 17,183 participants enrollment target places it among the larger protocols in the corpus, above the 771-participant average among 15,282 other Phase 3 trials with a reported enrollment target (2129% higher).

The record links to 0 conditions, and to 3 interventions - of which tiotropium 18 mcg is the first listed.

NCT01126437 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01126437 about?

NCT01126437 is a clinical study titled "Comparison of Tiotropium in the HandiHaler Versus the Respimat in Chronic Obstructive Pulmonary Disease". Direct comparison studies of the tiotropium HandiHaler® 18 µg and Respimat® 5 µg formulations have been limited to 4-week crossover studies. Therefore, prospective data from a trial of adequate size and duration is required to establish that compared to tiotropium HandiHaler®, tiotropium Respimat® w...

What is the current status of trial NCT01126437?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 17,183 participants. The study started on 2010-05. Estimated completion is 2013-05.

What interventions are being tested in trial NCT01126437?

The interventions under investigation include: tiotropium 18 mcg (DRUG), tiotropium 1.25 mcg (2 actuations/day) (DRUG), tiotropium 2.5 mcg (2 actuations/day) (DRUG).

Who is sponsoring clinical trial NCT01126437?

This trial is sponsored by Boehringer Ingelheim, which has 515 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01126437's enrollment target sits among peer trials

17,183 12th of 2000 higher than 1,989 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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Source: ClinicalTrials.gov NCT01126437, the US trial registry maintained by the National Library of Medicine. NCT01126437 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.