# Duration of Protective Effect From Inhaled Ipratropium Bromide on Methacholine Airway Hyperresponsiveness

> **NCT00605410** · PHASE4 · COMPLETED · sponsor: **University of Saskatchewan** · enrollment: 12 (actual)

## Conditions studied

- Asthma

## Interventions

- **DRUG:** ipratropium bromide
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT00605410
- **Lead sponsor:** University of Saskatchewan
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-01
- **Primary completion:** 2008-04
- **Final completion:** 2008-04
- **Target enrollment:** 12 (ACTUAL)
- **Last updated:** 2009-01-07

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00605410

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00605410, "Duration of Protective Effect From Inhaled Ipratropium Bromide on Methacholine Airway Hyperresponsiveness". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00605410. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
