# Tiotropium + Procaterol vs Tiotropium + Placebo in COPD Patients

> **NCT00394485** · PHASE4 · TERMINATED · sponsor: **Otsuka Pharmaceutical, Inc., Philippines** · enrollment: 50 (estimated)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive

## Interventions

- **DRUG:** Procaterol
- **DRUG:** Tiotropium

## Key facts

- **NCT ID:** NCT00394485
- **Lead sponsor:** Otsuka Pharmaceutical, Inc., Philippines
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2006-05
- **Primary completion:** —
- **Final completion:** 2008-04
- **Target enrollment:** 50 (ESTIMATED)
- **Why stopped:** Difficulty in recruting patients
- **Last updated:** 2009-12-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00394485

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00394485, "Tiotropium + Procaterol vs Tiotropium + Placebo in COPD Patients". Retrieved via AI Analytics 2026-07-16 from https://api.ai-analytics.org/clinical/NCT00394485. Licensed CC0.

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