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A Comparison of the Effects of Tiotropium Inhalation qd and Salmeterol Inhalation Bid on Arterial Blood Gases.

Phase 3
Completed
Conditions
Pulmonary Disease, Chronic Obstructive
Registration Number
NCT00274534
Lead Sponsor
Boehringer Ingelheim
Brief Summary

To evaluate changes in PaO2 following inhalation of Tiotropium by HandiHaler compared to Salmeterol MDI in patients with moderate to severe COPD.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Not specified
Target Recruitment
36
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Primary Outcome Measures
NameTimeMethod
The change from baseline (Visit 2) in the PaO2 area under the curve (AUC) for the time period 0 to 105 minutes obtained through arterial blood gases (ABGs) at the end of each treatment period.up to day 90
Secondary Outcome Measures
NameTimeMethod
Occurrence of adverse eventsup to day 90
Pulse rate and sitting blood pressure in conjunction with spirometryup to day 90
Maximum increase in alveolar-arterial oxygen gradient from baselineup to day 90
Change from baseline (Visit 2) in FEV1 prior to insertion of catheter and 15 minutes post removal of catheterup to day 90
Change from baseline (Visit 2) in FVC prior to insertion of catheter and 15 minutes post removal of catheterup to day 90
Maximum decline in PaO2 from baselineup to day 90
Rescue medication useup to day 90
COPD symptom scoreup to day 90

Trial Locations

Locations (2)

Hunter Holmes McGuire Medical Center

🇺🇸

Richmond, Virginia, United States

Hines Veterans Administration Hospital

🇺🇸

Hines, Illinois, United States

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