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Scientific article
English

In vivo evaluation of hydrophilic and hydrophobic mucoadhesive semi-solid formulations containing sucralfate and lidocaine for intraoral use

Published inEuropean journal of pharmaceutics and biopharmaceutics, vol. 43, no. 1, p. 59-63
Publication date1997
Abstract

Two types of mucoadhesive semi-solid formulations (hydrophilic and hydrophobic) for the treatment of mucositises, stomatitises and aphtae were investigated in healthy human volunteers using a gamma scintigraphic technique. The investigations showed that the clearance of hydrophobic formulations follows zero order kinetics whereas the hydrophilic formulation follows a biphasic elimination pattern. All formulations showed an acceptable tolerance but the subjects' preference went clearly to the hydrophobic formulations. Hydrophobic formulations maintained their adhesive and cohesive properties throughout the test period, loosing less than 10% activity within the first hour, whereas about 50% of the mucoadhesive hydrophilic preparation was eliminated within the same time period.

Keywords
  • Aphtae
  • Bioadhesion
  • Buccal mucosa
  • Gamma scintigraphy
  • In vivo evaluation
  • Lidocaine
  • Semi-solid formulations
  • Sucralfate
Citation (ISO format)
JACQUES, Yves Rémi Albert et al. In vivo evaluation of hydrophilic and hydrophobic mucoadhesive semi-solid formulations containing sucralfate and lidocaine for intraoral use. In: European journal of pharmaceutics and biopharmaceutics, 1997, vol. 43, n° 1, p. 59–63. doi: 10.1016/S0939-6411(96)00011-2
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ISSN of the journal0939-6411
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