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Completed Phase 3 Interventional Results available

Tiotropium / Respimat One-Year Study

ClinicalTrials.gov ID: NCT00168844

Public ClinicalTrials.gov record NCT00168844. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:14 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomised, Double-Blind, Placebo-Controlled, Parallel-Group Efficacy and Safety Comparison of One-Year Treatment of Two Doses (5mg and 10mg) of Tiotropium Inhalation Solution Delivered by the Respimat Device in Patients With Chronic Obstructive Pulmonary Disease (COPD)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To evaluate the long term effects of treatment with two doses of Tiotropium delivered by the Respimat inhaler in patients with COPD.

Study identification

NCT ID
NCT00168844
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Boehringer Ingelheim
Industry
Enrollment
983 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 31, 2002
Primary completion
May 31, 2005
Completion
Not listed
Last update posted
May 19, 2014

Started 2003

United States locations

U.S. sites
12
U.S. states
8
U.S. cities
12
Facility City State ZIP Site status
Boehringer Ingelheim Investigational Site Los Angeles California
Boehringer Ingelheim Investigational Site Pismo Beach California
Boehringer Ingelheim Investigational Site San Diego California
Boehringer Ingelheim Investigational Site Fort Collins Colorado
Boehringer Ingelheim Investigational Site Minneapolis Minnesota
Boehringer Ingelheim Investigational Site Larchmont New York
Boehringer Ingelheim Investigational Site Raleigh North Carolina
Boehringer Ingelheim Investigational Site Chattanooga Tennessee
Boehringer Ingelheim Investigational Site Harker Heights Texas
Boehringer Ingelheim Investigational Site Houston Texas
Boehringer Ingelheim Investigational Site Fredericksburg Virginia
Boehringer Ingelheim Investigational Site Harrisonburg Virginia

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 60 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00168844, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 19, 2014 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00168844 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →