Dynamic Hyperinflation and Tiotropium
Simplified Detection of Dynamic Hyperinflation Using Metronome Paced Hyperventilation and the Effect of Tiotropium in Patients With COPD
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
Ontario
-
Toronto, Ontario, Canada
- Noe Zamel MD
-
-
-
-
California
-
Lakewood, California, United States, 90712
- Arthur F Gelb MD
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Moderately severe COPD patients age 40-85 yr with post 180ug albuterol FEV 1 between 60 and 79% predicted and FEV 1/FVC < 70%.
- Smoking history > 10 pack yr.
- Clinically stable X 6 weeks.
- No oxygen usage.
Exclusion Criteria:
- History of asthma
- Clinically unstable
- Any other significant medical problem precluding full cooperation for study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Active Comparator: Tiotropium 18 µg capsule, bronchodilator
tiotropium 18 µg capsule for 1 month versus placebo.
To study bronchodilation and effect following metronome paced hyperventilation and induced dynamic hyperinflation of active tiotropium versus placebo
|
Procedure/Surgery - tiotropium 18ug capsule daily for 1 month vs placebo to study the effect of trough and peak effect on bronchodilation and effect of metronome paced hyperventilation induced dynamic hyperinflation
|
|
Placebo Comparator: 2
placebo 18ug tiotropium for 1 month
|
Procedure/Surgery - tiotropium 18ug capsule daily for 1 month vs placebo to study the effect of trough and peak effect on bronchodilation and effect of metronome paced hyperventilation induced dynamic hyperinflation
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Bronchodilator Response:Peak FEV1(L)(Forced Expiratory Volume in One Second)-
Time Frame: 30 days
|
Lung function studies (mean +/- SD): peak FEV1 (+2h) after 30 days of placebo or tiotropium in 29 moderate COPD patients.
FEV1 = Forced expiratory volume in one second
|
30 days
|
|
Bronchodilator Response:Peak FRC (L) (Functional Residual Capacity)
Time Frame: 30 days
|
Lung function studies (mean +/- SD): peak FRC after 30 days (+2h) of placebo or tiotropium in 29 moderate COPD patients.
|
30 days
|
|
Bronchodilator Response: Peak FVC (L) (Forced Vital Capacity)- Tiotropium and Placebo
Time Frame: 30 days
|
Lung function studies (mean +/- SD) of peak forced vital capaciy (L) after 30 days (+2h) of tiotropium versus placebo in 29 moderate COPD patients.
Forced vital capacity - liters
|
30 days
|
|
Bronchodilator Response: Peak IC (L) - (Inspiratory Capacity) - Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies (mean +/- SD) - Peak inspiratory capacity after 30 days (+2h)of tiotropium versus placebo in 29 moderate COPD patients.
Inspiratory capacity- liters
|
30 days
|
|
Bronchodilator Response: Peak FRC/TLC Percentage (Functional Residual Capacity(L)/Total Lung Capacity(L) - Tiotropium or Placebo
Time Frame: 30 days
|
Lung function studies (mean +/- SD) peak Peak FRC/TLC after 30 days (+2h)of tiotropium versus placebo in 29 moderate COPD patients.
Functional residual capacity/total lung capacity - percentage
|
30 days
|
|
Bronchodilator Response: Peak TLC (L) (Total Lung Capacity)- Tiotropium or Placebo
Time Frame: 30 days
|
Net change in lung function studies (mean +/- SE) from baseline to trough (-1h) and peak (+2h) after 30 days of tiotropium versus placebo in 29 moderate COPD patients.
Total lung capacity - liters
|
30 days
|
|
Bronchodilator Response: Trough FEV1 (L)- (Forced Expiratory Volume) Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies Trough FEV1(mean +/- SD) after 30 days(-1h) of tiotropium versus placebo in 29 moderate COPD patients.
Forced expiratory volume in 1s (liters)
|
30 days
|
|
Bronchodilator Response: Trough FRC (L)- Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies Trough FRC(mean +/- SD) after 30 days(-1h) of tiotropium versus placebo in 29 moderate COPD patients.
Functional residual capacity(liters)
|
30 days
|
|
Bronchodilator Response: Trough FVC (L)- (Forced Vital Capacity) Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies Trough FVC(mean +/- SD) after 30 days(-1h) of tiotropium versus placebo in 29 moderate COPD patients
|
30 days
|
|
Bronchodilator Response: Trough IC (L) Inspiratory Capacity - Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies (Trough IC(mean +/- SD) after 30 days(-1h) of tiotropium versus placebo in 29 moderate COPD patients Trough inspiratory capacity- liters
|
30 days
|
|
Bronchodilator Response: Trough FRC/TLC (Functional Residual Capacity/Total Lung Capacity)- Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies Trough FRC/TLC(mean +/- SD) after 30 days(-1h) of tiotropium versus placebo in 29 moderate COPD patients Trough Functional residual capacity/total lung capacity - percentage
|
30 days
|
|
Bronchodilator Response: Trough TLC (L) (Total Lung Capacity)- Tiotropium Versus Placebo
Time Frame: 30 days
|
Lung function studies Trough TLC(mean +/- SD) after 30 days(-1h) of tiotropium versus placebo in 29 moderate COPD patients
|
30 days
|
|
IC (Inspiratory Capacity L)and Metronome Paced Hyperventilation-induced Dynamic Hyperinflation in Tiotropium Cohort Versus Placebo and Baseline
Time Frame: baseline and 30 days (+2h) post dose
|
IC measurement before and after metronome paced hyperventilation-induced dynamic hyperinflation at baseline and in tiotropium and placebo groups.
Measure ratio of functional residual capacity divided by total lung capacity at baseline and after 30 days of tiotropium versus placebo
|
baseline and 30 days (+2h) post dose
|
|
TLC (L) Before and After Metronome Paced Hyperventilation Induced Dynamic Hyperinflation in Tiotropium Cohort Versus Placebo
Time Frame: one hour before intervention & 2 hrs. after after 30 days
|
Total lung capacity before and after metronome paced hyperventilation induced dynamic hyperinflation in tiotropium cohort versus placebo.
Difference between TLC measured at one hour before intervention & 2 hrs.
after after 30 days of treatment with either placebo or tiotropium
|
one hour before intervention & 2 hrs. after after 30 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Extent of Lung CT Scored Emphysema and and Lung Function of FEV1(l) After Tiotropium
Time Frame: baseline to 30 days
|
Correlation between improved lung function after tiotropium and extent of lung CT scored emphysema with respect to FEV 1; correlation of tiotropium induced bronchodilation and extent of lung ct scored emphysema; measures include increase in FEV1 from baseline to peak tiotropium
|
baseline to 30 days
|
|
IC (Inspiratory Capacity, L) Post Mph (Metronome Paced Hyperventilation) Induced dh (Dynamic Hyperinflation) After Tiotropium and Extent of Lung CT Scored Emphysema
Time Frame: baseline to 30 days
|
Correlation between change in inspiratory capacity (L) post metronome paced hyperventilation induced dynamic hyperinflation and extent of lung ct scored emphysema
|
baseline to 30 days
|
|
Extent of Lung CT Scored Emphysema and and Lung Function of FRC/TLC (Functional Residual Capacity(L)/Total Lung Capacity (L) After Tiotropium
Time Frame: baseline to trough tiotropium
|
Correlation between improved lung function after tiotropium and extent of lung CT scored emphysema with respect to ratio functional residual capacity divided by total lung capacity.
Specifically, correlation of tiotropium induced bronchodilation and extent of lung ct scored emphysema
|
baseline to trough tiotropium
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Noe Zamel, MD, Mt. Sinai Hosp. Toronto, Univ Toronto Medical Center
Publications and helpful links
General Publications
- Gelb AF, Taylor CF, McClean PA, Shinar CM, Rodrigues MT, Gutierrez CA, Chapman KR, Zamel N. Tiotropium and simplified detection of dynamic hyperinflation. Chest. 2007 Mar;131(3):690-695. doi: 10.1378/chest.06-1662.
- Gelb AF, Gutierrez CA, Weisman IM, Newsom R, Taylor CF, Zamel N. Simplified detection of dynamic hyperinflation. Chest. 2004 Dec;126(6):1855-60. doi: 10.1378/chest.126.6.1855.
- Gelb AF, Fraser C, Zamel N. Lack of protective effect of tiotropium vs induced dynamic hyperinflation in moderate COPD. Respir Med. 2011 May;105(5):755-60. doi: 10.1016/j.rmed.2010.11.020. Epub 2010 Dec 14.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- 20061693
- IIS Boehringer-Ingelheim (Other Grant/Funding Number: Boehringer-Ingelheim and Pfizer)
- IIS Pfizer (Other Grant/Funding Number: Pfizer)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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