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Related Experiment Videos

The Montreal Protocol and essential use exemptions.

S D'Souza1

  • 1Glaxo Research & Development Ltd, Uxbridge, Middlesex, UK.

Journal of Aerosol Medicine : the Official Journal of the International Society for Aerosols in Medicine
|January 3, 1996
PubMed
Summary

The Montreal Protocol allows essential use exemptions for chlorofluorocarbons (CFCs) in metered dose inhalers (MDIs) for asthma and COPD treatment. Patients can be assured MDIs will remain available, with minimal environmental impact from exempted CFCs.

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Area of Science:

  • Environmental Science
  • Public Health
  • International Policy

Background:

  • The Montreal Protocol mandates phasing out ozone-depleting chlorofluorocarbons (CFCs).
  • Essential use exemptions were considered for critical applications like metered dose inhalers (MDIs).
  • The European Union (EU) set an accelerated CFC phase-out date of January 1, 1995.

Purpose of the Study:

  • To inform patients and physicians about the availability of metered dose inhalers (MDIs) under the Montreal Protocol.
  • To assess the impact of essential use exemptions for CFCs in MDIs on environmental goals.

Main Methods:

  • Review of government nominations for essential use exemptions for metered dose inhalers (MDIs).
  • Consideration of expert committee recommendations at the Sixth Meeting of the Parties to the Montreal Protocol.

Related Experiment Videos

  • Analysis of European Commission decisions regarding CFC exemptions for MDIs.

    • Main Results:

    • Essential use exemptions for CFCs in MDIs for asthma and COPD were granted for 1996 and 1997.
    • The European Commission granted exemptions for MDIs from its accelerated 1995 CFC phase-out deadline.
    • The quantity of exempted CFCs for MDIs was deemed to have a negligible impact on the atmosphere.

    Conclusions:

    • Metered dose inhalers (MDIs) will remain available for patients with respiratory conditions.
    • The Montreal Protocol's essential use exemptions balance environmental protection with critical medical needs.
    • Continued availability of MDIs ensures patient treatment continuity without significant environmental consequence.