New asthma inhaler propellant tested for safety in completed study

NCT ID NCT05850494

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a new propellant (HFO) in asthma inhalers causes airway narrowing (bronchospasm) compared to the standard propellant (HFA). It involved 52 adults with well-controlled or partially controlled asthma. Researchers measured lung function right after use and checked for any breathing problems.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for ASTHMA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

asthma Bronchial Spasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Research Site

    North Dartmouth, Massachusetts, 02747, United States

  • Research Site

    St Louis, Missouri, 63141, United States

  • Research Site

    Raleigh, North Carolina, 27607, United States

  • Research Site

    El Paso, Texas, 79903, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.