Release profile of encapsulated microparticles based on Landolphia owariensis (Apocynaceae) extract contained in suppositories for the treatment of hemorrhoidal crisis

  • Laba Ismael DALLY Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire
  • Apo Laurette ANIN Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire http://orcid.org/0009-0007-4407-5652
  • Kakwokpo Clémence N’GUESSAN-GNAMAN Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire http://orcid.org/0009-0002-1530-0500
  • Jose Gnahoré LIA Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Abstract

Introduction: Hemorrhoidal disease is one of the most frequent causes of anal complaints. The general aim of this study was to evaluate the release profile of the encapsulated drug, in order to overcome the limitations of conventional galenic forms, while maintaining their efficacy.


Methods: Determination of the active ingredient contained in Landolphia owariensis extract was carried out by UV-Visible spectrophotometry. Release studies were carried out in a continuous flow cell. The dissolution profile of the suppository containing microparticles was compared to the dissolution profile of suppositories containing the unencapsulated extract and to that of Landolphia owariensis extract-based microparticles.


Results: The percentage of active ingredient released from suppositories containing microparticles and those containing the extract alone was 69.47% and 80.01% respectively. Flavonoid release from suppositories containing microparticles was slower, with a release rate of 6.31µg/mm, slightly close to the release rate of extract based microparticles (7.37µg/mn); in contrast, in vitro flavonoid release from suppositories containing the extract was faster (19.85µg/mm).


Conclusion: Release trials have shown the influence of the sodium alginate matrix system on PA release kinetics. These innovative suppositories will help improve compliance and the treatment of hemorrhoidal crisis.


Keywords: Microparticles, Suppositories, Landolphia owariensis, Hemorrhoids, In vitro release

Keywords: Microparticles, Suppositories, Landolphia owariensis, Hemorrhoids, In vitro release

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Author Biographies

Laba Ismael DALLY, Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Apo Laurette ANIN, Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Kakwokpo Clémence N’GUESSAN-GNAMAN, Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Jose Gnahoré LIA, Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

Laboratoire des sciences du médicament, sciences analytiques et santé publique, Unité de formation et de recherche des sciences pharmaceutiques et biologiques, Université Felix Houphouët-Boigny, Abidjan, Côte d’Ivoire

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DALLY LI, ANIN AL, N’GUESSAN-GNAMAN KC, LIA JG. Release profile of encapsulated microparticles based on Landolphia owariensis (Apocynaceae) extract contained in suppositories for the treatment of hemorrhoidal crisis. JDDT [Internet]. 15May2024 [cited 17May2024];14(5):97-01. Available from: https://jddtonline.info/index.php/jddt/article/view/6608

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