Robotically handled whole-tissue culture system for the screening of oral drug formulations.

Journal Article (Journal Article)

Monolayers of cancer-derived cell lines are widely used in the modelling of the gastrointestinal (GI) absorption of drugs and in oral drug development. However, they do not generally predict drug absorption in vivo. Here, we report a robotically handled system that uses large porcine GI tissue explants that are functionally maintained for an extended period in culture for the high-throughput interrogation (several thousand samples per day) of whole segments of the GI tract. The automated culture system provided higher predictability of drug absorption in the human GI tract than a Caco-2 Transwell system (Spearman's correlation coefficients of 0.906 and 0.302, respectively). By using the culture system to analyse the intestinal absorption of 2,930 formulations of the peptide drug oxytocin, we discovered an absorption enhancer that resulted in a 11.3-fold increase in the oral bioavailability of oxytocin in pigs in the absence of cellular disruption of the intestinal tissue. The robotically handled whole-tissue culture system should help advance the development of oral drug formulations and might also be useful for drug screening applications.

Full Text

Duke Authors

Cited Authors

  • von Erlach, T; Saxton, S; Shi, Y; Minahan, D; Reker, D; Javid, F; Lee, Y-AL; Schoellhammer, C; Esfandiary, T; Cleveland, C; Booth, L; Lin, J; Levy, H; Blackburn, S; Hayward, A; Langer, R; Traverso, G

Published Date

  • May 2020

Published In

Volume / Issue

  • 4 / 5

Start / End Page

  • 544 - 559

PubMed ID

  • 32341538

Pubmed Central ID

  • PMC8357188

Electronic International Standard Serial Number (EISSN)

  • 2157-846X

International Standard Serial Number (ISSN)

  • 2157-846X

Digital Object Identifier (DOI)

  • 10.1038/s41551-020-0545-6


  • eng