Tiotropium Once Daily 18 Mcg Versus Salmeterol Twice Daily 50 Mcg on Time to First Exacerbation in COPD Patients.

NCT00563381 · clinicaltrials.gov ↗

PHASE4

Phase

COMPLETED

Status

7376

Enrollment

INDUSTRY

Sponsor class

Conditions

Pulmonary Disease, Chronic Obstructive

Interventions

DRUG: Tiotropium bromide
DRUG: Salmeterol
DRUG: Placebo Salmeterol
DRUG: Placebo Tiotropium

Sponsor

Boehringer Ingelheim

Collaborators

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