Recent advances in aerosolised drug delivery

Area of Science:

• Pulmonary medicine
• Pharmaceutical technology
• Biomedical engineering

Background:

• The pulmonary route is crucial for treating respiratory conditions like asthma, tuberculosis, emphysema, and bronchitis.
• Effective aerosol therapy depends on formulation design, inhalation device characteristics, and particle size.
• Suboptimal clinical outcomes and adverse drug effects can stem from improper device usage and inadequate patient education.

Purpose of the Study:

• To review and compare the mechanistic features of currently marketed aerosol delivery devices.
• To explore advancements in aerosol generation and device design for pulmonary drug delivery.
• To discuss the merits and limitations of various pulmonary delivery options and update on current research.

Main Methods:

• Literature review of current aerosol delivery devices.
• Analysis of mechanistic features related to aerosol generation.
• Discussion of pulmonary delivery options, their advantages, and disadvantages.

Main Results:

• Significant differences exist in the aerosol generation mechanisms of various marketed devices.
• Particle size and formulation are critical determinants of aerosol performance.
• Patient education and training are vital for optimal device actuation and inhalation.

Conclusions:

• Understanding device mechanics and optimizing aerosol properties are key to improving pulmonary drug delivery.
• Advancements in aerosol technology hold promise for enhanced treatment efficacy.
• Addressing user training gaps is essential for maximizing the benefits of inhalational therapies.