Abstract
In the current scenario, pulmonary disease has become a prime burden for morbidity and
mortality alongside tremendous social and economic crises throughout the world. Numerous conventional
drug delivery system and treatment approach targeting the respiratory region has been driven
out. However, effective and accurate recovery has not been achieved yet. In this regard, nanotechnological-
based inhalable drug delivery strategy including polymeric, lipidic, or metallic-based respirable
microparticles plays an indispensable role in circumventing numerous challenges faced during
traditional treatment. Excellent aerodynamic performance leads to enhanced lung targetability, reduced
dosing frequency and hence systemic toxicities, as well as improved pharmaceutical attributes,
and therefore pharmacokinetic profiles are interminable factors associated with nanotechnologicalbased
inhalable delivery. In this review, we comprehensively explored recent advancements in nanotechnologically
engineered inhalable formulations targeting each of the mentioned pulmonary diseases.
Moreover, we systematically discussed possible respiratory or systemic toxicities about the indeterminate
and undefined physicochemical characteristics of inhaled particles.
Keywords:
Nanoparticulate carriers, microparticles, spray drying, aerosolization, antibacterial, lung cancer, inhalable toxicity.
Graphical Abstract
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