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Review
. 2020 Apr;10(2):339-353.
doi: 10.1007/s13346-019-00690-7.

Inhalation of sustained release microparticles for the targeted treatment of respiratory diseases

Gauthami Pulivendala  1 , Swarna Bale  1 , Chandraiah Godugu  2
Affiliations
Review

Inhalation of sustained release microparticles for the targeted treatment of respiratory diseases

Gauthami Pulivendala et al. Drug Deliv Transl Res. 2020 Apr.

Abstract

Delivering drugs through inhalation for systemic and local applications has been in practice since several decades to treat various diseases. In recent times, inhalation drug delivery is becoming one of the highly focused areas of research in the pharmaceutical industry. It is being considered as one of the major portals for delivering drugs because of its wide range of advantages like requirement of low concentrations of drug to reach therapeutic efficacy, surpassing first pass metabolism and a very low incidence of side effects as compared to conventional delivery of drugs. Owing to these favorable characteristics of pulmonary drug delivery, diverse pharmaceutical formulations like liposomes, nanoparticles, and microparticles are developed through consistent efforts for delivery drugs to lungs in suitable form. However, drug-loaded microparticles have displayed various advantages over the other pharmaceutical dosage forms which give a cutting edge over other inhalational drug delivery systems. Assuring results with respect to sustained release through inhalational delivery of drug-loaded microparticles from pre-clinical studies are anticipative of similar benefits in the clinical settings. This review centralizes partly on the advantages of inhalational microparticles over other inhalational dosage forms and largely on the therapeutic applications and future perspectives of inhalable microparticle drug delivery systems.

Keywords: Inhalational drug delivery; Microparticles; Therapeutic applications.

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