Advanced human-relevant in vitro pulmonary platforms for respiratory therapeutics

Arbel Artzy-Schnirman, Sivan Arber Raviv, Ofri Doppelt Flikshtain, Jeny Shklover, Netanel Korin, Adi Gross, Boaz Mizrahi, Avi Schroeder, Josué Sznitman

Research output: Contribution to journalReview articlepeer-review


Over the past years, advanced in vitro pulmonary platforms have witnessed exciting developments that are pushing beyond traditional preclinical cell culture methods. Here, we discuss ongoing efforts in bridging the gap between in vivo and in vitro interfaces and identify some of the bioengineering challenges that lie ahead in delivering new generations of human-relevant in vitro pulmonary platforms. Notably, in vitro strategies using foremost lung-on-chips and biocompatible “soft” membranes have focused on platforms that emphasize phenotypical endpoints recapitulating key physiological and cellular functions. We review some of the most recent in vitro studies underlining seminal therapeutic screens and translational applications and open our discussion to promising avenues of pulmonary therapeutic exploration focusing on liposomes. Undeniably, there still remains a recognized trade-off between the physiological and biological complexity of these in vitro lung models and their ability to deliver assays with throughput capabilities. The upcoming years are thus anticipated to see further developments in broadening the applicability of such in vitro systems and accelerating therapeutic exploration for drug discovery and translational medicine in treating respiratory disorders.

Original languageEnglish
Article number113901
JournalAdvanced Drug Delivery Reviews
StatePublished - Sep 2021


  • Aerosols
  • In vitro
  • Inhalation therapy
  • Lung diseases
  • Lung-on-chips
  • Preclinical models

All Science Journal Classification (ASJC) codes

  • Pharmaceutical Science


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