HFA-based metered-dose inhalers (MDIs) contain a propellant to deliver the medication that will continue to spray even after the medication has run out. Therefore, when the medication is gone from ...

The propellants used in metered-dose inhalers (MDIs) have always contributed significantly to greenhouse gas emissions. Although the 1990s saw a switch from MDIs using ozone-depleting ...

Seven out of every 10 of them were metered-dose inhalers - the type that contain greenhouse gases. The gas - hydrofluoroalkane - is used as a propellant to squirt the medicine out of the inhaler.

Bespak continues to develop its leading position in the transition to low GWP propellants through its partnerships with independent industry ... Oz-UK is a contract research organisation specialising ...

Metered-dose inhalers have been in use since the mid ... They contain micronized drug in a propellant under pressure as well as surfactants to prevent agglomeration of drug crystals, lubricants ...

Pressurised metered dose inhalers (pMDI) delivering drugs for asthma, chronic obstructive pulmonary disease and other respiratory diseases currently use hydrofluorocarbon (HFC) propellants that ...

According to a 2019 WHO report, a typical inhaler containing the propellant HFA-134a has a ... particularly in pressurised metered-dose inhalers (pMDIs), can be harmful to the environment.” ...

AstraZeneca has completed all clinical studies required to support the first filings for the transition of its chronic ...

Cumulative propellant loss as a function of study duration for Proventil HFA and Ventolin HFA metered-dose inhalers. Albuterol dose per actuation as a function of temperature for Proventil HFA ...

Now, Caroline and Sebastian have "greener" inhalers that contain no propellant ... should be no blanket switch from a preventer metered dose inhaler (MDI) to a dry powder inhaler (DPI), and ...