Clinical translation of advanced colonic drug delivery technologies

Atheer Awad, Christine M. Madla, Laura E. McCoubrey, Fabiana Ferraro, Francesca K.H. Gavins, Asma Buanz, Simon Gaisford, Mine Orlu, Florence Siepmann, Juergen Siepmann, Abdul W. Basit

Research output: Contribution to journalReview articlepeer-review

24 Citations (Scopus)


Targeted drug delivery to the colon offers a myriad of benefits, including treatment of local diseases, direct access to unique therapeutic targets and the potential for increasing systemic drug bioavailability and efficacy. Although a range of traditional colonic delivery technologies are available, these systems exhibit inconsistent drug release due to physiological variability between and within individuals, which may be further exacerbated by underlying disease states. In recent years, significant translational and commercial advances have been made with the introduction of new technologies that incorporate independent multi-stimuli release mechanisms (pH and/or microbiota-dependent release). Harnessing these advanced technologies offers new possibilities for drug delivery via the colon, including the delivery of biopharmaceuticals, vaccines, nutrients, and microbiome therapeutics for the treatment of both local and systemic diseases. This review details the latest advances in colonic drug delivery, with an emphasis on emerging therapeutic opportunities and clinical technology translation.

Original languageEnglish
Article number114076
JournalAdvanced Drug Delivery Reviews
Publication statusPublished - Feb 2022


  • 3D printing drug products and medicines
  • ASACOL 1600
  • Chronotherapy and drug absorption
  • Colonic drug targeting
  • Drug delivery to the large intestine
  • Gastro resistant film coatings
  • Inflammatory bowel disease (ulcerative colitis and Crohn's disease)
  • Mesalazine formulations
  • Phloral
  • Polysaccharides and fermentation


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