Influence Of Different Airflow Resistances On Drug Effect Of 50μg Salmeterol And 6 μg Formoterol

May 21, 2009 updated by: GlaxoSmithKline

Single-Centre Randomised Open Crossover Study to Examine the Influence of Different Internal Resistances of Discus and Turbohaler Respectively on the Effects of Salmeterol and Formoterol in Asthmatic Subjects

Effect of inhaled drugs administered as dry powder is not only dependent on drug efficacy but also on technical properties of the inhalers. Different inhalers have different internal resistances and therefore it is expected that patients with limited airflow may have different exposure rates of drugs delivered from different devices

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment

77

Phase

  • Phase 4

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

  • Germany
      • Berlin, Germany, 14057
        • GSK Investigational Site
    • Bayern
      • Gauting, Bayern, Germany, 82131
        • GSK Investigational Site

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 and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion criteria:

  • Asthma Reversibility >15% and 200 ml in total FEV1 <85% of normal

Exclusion criteria:

  • Smoking history >20 pack years Treatment with ICS >500μg Fluticasone or aquivalent in the last 4 weeks Asthma exacerbation in the last 4 weeks

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: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Forced expiratory volume in 1 second (FEV1) under time curve 0.5-6 hours after inhalation of study medication

Secondary Outcome Measures

Outcome Measure
Airway resistances and peak FEV1 measured 0.5, 1, 2, 4 and 6 hours after inhalation of study drug

Collaborators and Investigators

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

Sponsor

GlaxoSmithKline

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

January 1, 2004

Study Registration Dates

First Submitted

May 16, 2006

First Submitted That Met QC Criteria

May 16, 2006

First Posted (Estimate)

May 18, 2006

Study Record Updates

Last Update Posted (Estimate)

May 22, 2009

Last Update Submitted That Met QC Criteria

May 21, 2009

Last Verified

May 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 101182
  • TURBOHALER Faktor

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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