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Advances in Inhalation Therapy: IBC Conference.

J H Dennis1

  • 1University of Bradford, Department of Environmental Science, Bradford, BD7 1DP, UK. j.h.dennis@bradford.ac.uk

Idrugs : the Investigational Drugs Journal
|July 22, 2005
PubMed
Summary

Advances in inhalation therapy are rapidly evolving. New devices like soft mist inhalers and novel drug formulations, including peptides and proteins, offer improved aerosol drug delivery for various conditions.

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[Adaptations of the European Respiratory Society guidelines by the Aerosol Therapy Group of the French Lung Society on the use of aerosol therapy through nebulization].

Revue des maladies respiratoires·2004

Area of Science:

  • Pulmonary Medicine
  • Pharmaceutical Sciences
  • Biotechnology

Background:

  • Inhalation therapy is a critical route for drug delivery, particularly for respiratory and systemic conditions.
  • Significant advancements in aerosol drug delivery devices and formulations are emerging.
  • The transition from chlorofluorocarbon (CFC)-based inhalers necessitates innovation in device design and drug stability.

Purpose of the Study:

  • To summarize recent developments in inhalation therapy, covering device design, drug formulation, and assessment methods.
  • To provide a clinical overview of the future prospects of aerosol drug therapy.
  • To highlight novel approaches for enhanced drug delivery via inhalation.

Main Methods:

  • A conference convened 16 experts to present and discuss recent progress in inhalation therapy.
  • Review of current research and development in aerosol delivery devices, including pressurized metered dose inhalers (pMDIs), dry powder inhalers (DPIs), and soft mist inhalers (SMIs).
  • Discussion on formulation strategies for both small molecules and macromolecules, including peptides and proteins, and advanced manufacturing techniques like supercritical fluid engineering.

Main Results:

  • Reformulation of non-CFC pMDIs is progressing, though new hydrofluorocarbon (HFA)-based products may face limitations.
  • Soft mist inhalers (SMIs) present a promising alternative to conventional pMDIs and DPIs, offering potential advantages in efficiency and aerosol delivery.
  • Reproducible delivery of micronized macromolecules to the peripheral lung has shown success for peptides and insulin.
  • Supercritical fluid engineering is enabling the development of 'smart drugs' for improved inhalation administration.

Conclusions:

  • The field of inhalation therapy is experiencing rapid innovation across device technology and drug formulation.
  • Emerging technologies like SMIs and advanced drug design offer enhanced potential for efficient and safe aerosol drug delivery.
  • Inhalation therapy is poised to expand its role in routine drug administration, particularly for biologics like peptides and proteins.

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