Polymer adhesion predictions for oral dosage forms to enhance drug administration safety. Part 1: In vitro approach using particle interaction methods

Nélio Drumond, Sven Stegemann

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Solid oral dosage forms (SODF) are drug vehicles commonly prescribed by physicists in primary and secondary cares, as they are the most convenient for the patient and facilitate therapy management. Concerns regarding unintended adhesion of SODF during oro-esophageal transit remain, especially in multimorbid patients, bedridden patients and patients suffering from dysphagia. Hence, this factor should be considered during the development of SODF, and more attention should be given on the design of appropriate surface conditions considering patients with swallowing problems. The aim of this work was to estimate the low mucoadhesion strength of different pharmaceutical polymers frequently used in coating technologies, since this property is thought to have impact on the mucoadhesive profile of SODF during oro-esophageal transit. In an approach using in vitro methods based on particle interactions, polyethylene glycol grades (PEG) showed the lowest interaction forces suggesting a more favorable in vivo performance than hydroxypropyl methylcellulose (HPMC), which was found to have the highest particle interaction. Preference should be given to coating formulations with lower concentrations of polymer and grades with low molecular weight. In addition, rheological measurements should be adopted
when targeting poor mucoadhesive polymers.
Original languageEnglish
Pages (from-to)9-17
Number of pages9
JournalColloids and Surfaces / B
Volume165
DOIs
Publication statusPublished - 1 May 2018

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Particle interactions
Dosage Forms
particle interactions
safety
Polymers
drugs
adhesion
Adhesion
Safety
dosage
polymers
predictions
Pharmaceutical Preparations
transit
grade
Coatings
Secondary Care
Drug products
Polyethylene glycols
low molecular weights

Keywords

  • Swallowing safety, Solid oral dosage forms, Polymer coatings, Reduced mucoadhesion, Particle interaction methods, Rheological measurements

Cite this

Polymer adhesion predictions for oral dosage forms to enhance drug administration safety. Part 1: In vitro approach using particle interaction methods. / Drumond, Nélio; Stegemann, Sven.

In: Colloids and Surfaces / B, Vol. 165, 01.05.2018, p. 9-17.

Research output: Contribution to journalArticleResearchpeer-review

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