Response to Albuterol Delivered Through an Anti-static Valved Holding Chamber During Nocturnal Bronchospasm
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Florida
-
Gainesville, Florida, United States, 32610
- University of Florida
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18-65 years.
- Physician diagnosis of asthma.
- FEV1 60-80% predicted during the day.
- FEV1 increases ≥ 12 % and to ≥ 80% predicted after 2- 4 puffs of albuterol HFA MDI delivered by antistatic VHC.
- No smoking in the previous year and < 10-pack year history.
- No history of severe asthma attacks requiring ER visit or hospitalization in the previous three months.
Exclusion Criteria:
- Patient required a short course of oral steroid in the past 30 days.
- Any disease that is inadequately controlled or any medication that would worsen asthma or interact with asthma medications.
- History of viral respiratory tract infection in the 3 weeks prior to the screening visit.
- Positive pregnancy test.
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 |
|---|---|
|
Experimental: Anti-static then Static for Albuterol
albuterol anti-static first then static chamber second.
|
Albuterol using static chambers
|
|
Experimental: Static then Anti-static for Albuterol
static then antistatic albuterol
|
albuterol with Static then anti-static chambers
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Y=100([FEV1 at 1 Puffs-FEV1 at 4AM)/FEV1@4AM] Difference Period 2 Minus Period 1.
Time Frame: fifteen minutes after 1 puff of albuterol
|
(Percent improvement in FEV1 (Forced Expiratory Volume and Forced Vital Capacity) Post Dose for Period 2 over 4AM Baseline value) less (Percent improvement in FEV1 Post Dose for Period 1 over 4AM Baseline value) when 1 Puff go into chamber
|
fifteen minutes after 1 puff of albuterol
|
|
Y=100([FEV1 at 2 Puffs-FEV1 at 4AM)/FEV1@4AM] Difference Period 2 Minus Period 1.
Time Frame: 15 minutes after 2 puffs of albuterol
|
(Percent improvement in FEV1(Forced Expiratory Volume and Forced Vital Capacity) Post Dose for Period 2 over 4AM Baseline value) less (Percent improvement in FEV1 Post Dose for Period 1 over 4AM Baseline value) when 2 Puffs go into chamber
|
15 minutes after 2 puffs of albuterol
|
|
Y=100([FEV1 at 4 Puffs-FEV1 at 4AM)/FEV1@4AM] Difference Period 2 Minus Period 1.
Time Frame: fifteen minutes after 4 puffs of albuterol
|
(Percent improvement in FEV1 (Forced Expiratory Volume and Forced Vital Capacity) Post Dose for Period 2 over 4AM Baseline value)less (Percent improvement in FEV1 Post Dose for Period 1 over 4AM Baseline value) when 4 Puffs go into chamber
|
fifteen minutes after 4 puffs of albuterol
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
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
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- IRB 103-2008
- Children's Miracle Network UFl (Other Grant/Funding Number: Children's Miracle Network, University of Florida)
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