# Add-on Effects of Tiotropium Over Formoterol in Exercise Tolerance on Chronic Obstructive Pulmonary Disease Patients

> **NCT00680056** · PHASE4 · COMPLETED · sponsor: **Federal University of São Paulo** · enrollment: 33 (actual)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive
- Chronic Bronchitis
- Pulmonary Emphysema

## Interventions

- **DRUG:** Formoterol plus Placebo (Tiotropium)
- **DRUG:** Formoterol plus Tiotropium

## Key facts

- **NCT ID:** NCT00680056
- **Lead sponsor:** Federal University of São Paulo
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-11
- **Primary completion:** 2008-12
- **Final completion:** 2009-01
- **Target enrollment:** 33 (ACTUAL)
- **Last updated:** 2010-01-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00680056

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00680056, "Add-on Effects of Tiotropium Over Formoterol in Exercise Tolerance on Chronic Obstructive Pulmonary Disease Patients". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00680056. Licensed CC0.

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