Response to Albuterol Delivered Through an Anti-static Valved Holding Chamber During Nocturnal Bronchospasm

February 3, 2022 updated by: University of Florida
Delivery of HFA albuterol through an antistatic valved holding chamber (VHC) will improve bronchodilator response during nocturnal bronchospasm.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

88

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Florida
      • Gainesville, Florida, United States, 32610
        • University of Florida

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

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

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Anti-static then Static for Albuterol
albuterol anti-static first then static chamber second.
Device: anti-static then static
Albuterol using static chambers
Experimental: Static then Anti-static for Albuterol
static then antistatic albuterol
Device: Static then anti-static chamber
albuterol with Static then anti-static chambers

What is the study measuring?

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

This is where you will find people and organizations involved with this study.

Sponsor

University of Florida

Collaborators

Children's Miracle Network

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 2008

Primary Completion (Actual)

April 1, 2009

Study Completion (Actual)

March 1, 2010

Study Registration Dates

First Submitted

April 23, 2010

First Submitted That Met QC Criteria

April 26, 2010

First Posted (Estimate)

April 27, 2010

Study Record Updates

Last Update Posted (Actual)

February 28, 2022

Last Update Submitted That Met QC Criteria

February 3, 2022

Last Verified

February 1, 2022

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • IRB 103-2008
  • Children's Miracle Network UFl (Other Grant/Funding Number: Children's Miracle Network, University of Florida)

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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