U-LABA/ICS Effects on Exercise Performance, Vilanterol

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-39
SponsorMorten Hostrup, PhD

About this trial

The purpose of the project is to investigate exercise performance in humans following bronchodilation induced by acute inhalation of beta2-agonist vilanterol + fluticasone furoate

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Age 18-39

Physically active > 5 h weekly

Maximal oxygen consumption classified as high or very high

Disqualifiers

Diagnosed with severe asthma and been in treatment with long-acting beta2-agonist/corticosteroid

ECG abnormality

ACQ score > 1.5

Severe bronchial hyperreactivity as determined by mannitol test

Trial design

Design model

Crossover

Treatments tested in this trial

  • Vilanterol and Fluticasone Furoate (low dose)

    Drug

    Participants are administered 25 µg of vilanterol + fluticasone furoate

  • Vilanterol and Fluticasone Furoate (high dose)

    Drug

    Participants are administered 100 µg of vilanterol + fluticasone furoate

  • Placebo

    Drug

    Participants are administered placebo

Treatment groups

30 Participants
are divided into 2 treatment groups
Group A: Vilanterol + fluticasone furoateExperimental treatment 2 interventions
Group B: PlaceboPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

Power output during sprint testing

Power output measured in Watts during a sprint on a bike ergometer

Time frame
Through study completion, an average of 3 weeks

Secondary outcomes

1

Power output during time trial

Mean power output measured in Watts during a time trial on a bike ergometer

Time frame
Through study completion, an average of 3 weeks

Other outcomes

1

Forced Expiratory Volume in 1 second (FEV1)

FEV1 measured by spirometry

Time frame
Through study completion, an average of 3 weeks
2

Quadriceps strength

Maximal torque (Nm) achieved during isometric contraction

Time frame
Through study completion, an average of 3 weeks
3

Respiratory muscle function

Mouth inspiratory and expiratory pressures against a closed system

Time frame
Through study completion, an average of 3 weeks

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Morten Hostrup, PhD

Lead sponsor

University of Copenhagen

Sponsor institution