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Related Experiment Video

Updated: Jul 25, 2025

Author Spotlight: Developing a Disposable Dosator for Preclinical Testing of Dry Powder Inhalers in Small Animal Models
04:59

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Published on: August 18, 2023

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Advances in soft mist inhalers.

Varsha Komalla1, Chun Yuen Jerry Wong1,2, Imco Sibum3

  • 1Respiratory Technology, Woolcock Institute of Medical Research, Sydney, Australia.

Expert Opinion on Drug Delivery
|June 29, 2023
PubMed
Summary
This summary is machine-generated.

Soft mist inhalers (SMIs) offer propellant-free delivery of inhaled therapeutics with reduced oropharyngeal deposition. Future advancements include novel formulations, targeted delivery, and digital integration for improved patient outcomes.

Keywords:
Soft mist inhaleraerosolsaqueous droplet inhalerinhalable formulationsinhaled biologicsnon-pressurized metered-dose inhalerpulmonary drug delivery

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Area of Science:

  • Pulmonary drug delivery
  • Inhaler technology
  • Pharmaceutical sciences

Background:

  • Soft mist inhalers (SMIs) are propellant-free devices utilizing mechanical energy for aerosol generation.
  • SMIs provide a slower, longer aerosol plume with reduced oropharyngeal deposition compared to traditional inhalers.
  • They require less patient coordination, improving usability.

Purpose of the Study:

  • To critically review recent advancements in soft mist inhaler technology.
  • To explore the potential of SMIs for delivering novel therapeutic formulations.
  • To assess the future prospects of SMI applications in respiratory and systemic diseases.

Main Methods:

  • Literature review of recent preclinical and clinical studies on SMIs.
  • Analysis of emerging drug formulations suitable for SMI delivery.
  • Discussion of technological innovations and future trends in SMI development.

Main Results:

  • SMIs are suitable for advanced formulations like nanoparticles and biologics (vaccines, proteins, antibodies).
  • Repurposed drugs and formulations for systemic diseases are potential future applications for SMIs.
  • Digitalization of SMIs is expected to enhance patient adherence and treatment monitoring.

Conclusions:

  • Soft mist inhalers represent a significant advancement in inhaled therapy delivery.
  • Their versatility supports a wide range of therapeutic agents and targeted delivery strategies.
  • Integration of digital technologies will further optimize SMI utility and patient care.