Clinical trial
Trial Comparing Tiotropium Inhalation Capsules vs Placebo in Chronic Obstructive Pulmonary Disease (COPD).
NCT00523991
Study timeline
Study start (unknown)2007-04-01Date precision: month
Registry last updated2014-05-20
Observed by CureCurrent2026-10-07
Recorded dates are source observations, not predictions. Missing milestones are not estimated.
Conditions
Pulmonary Disease, Chronic Obstructiveunresolved
Interventions
tiotropiumDRUG · verified · RxNorm: tiotropium
PlaceboDRUG
Sponsors & collaborators
Boehringer Ingelheimlead sponsor
Pfizercollaborator
Mapped research locations
PragueCzechia3KharkivUkraine3BirminghamAlabama, United States2BerlinGermany2AthensGreece2BaltimoreMaryland, United States1TorontoOntario, Canada1PittsburghPennsylvania, United States1CincinnatiOhio, United States1San DiegoCalifornia, United States1OmahaNebraska, United States1RochesterNew York, United States1
Registry source
Open the source record to verify current eligibility, contacts, locations and registry updates.
Open NCT00523991 on ClinicalTrials.gov ↗Registry-derived research relationships: ClinicalTrials.gov. Raw condition and intervention labels remain distinct from canonical MONDO/RxNorm entities unless separately normalized.