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Phthalimido-ferrocidiphenol cyclodextrin complexes: Characterization and anticancer activity.

Feten Najlaoui1, Pascal Pigeon2, Zaineb Abdelkafi3

  • 1Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, 1002 Tunis, Tunisia; Olive Tree Institute, Research Unit of Plant Protection and Environment, Mahrajene City BP 208, 1082 Tunis, Tunisia; Université de Lorraine, EA 3452/CITHEFOR, 5 rue Albert Lebrun (Faculté de Pharmacie), F-54000 Nancy, France.

International Journal of Pharmaceutics
|July 3, 2015
PubMed
Summary
This summary is machine-generated.

Researchers developed water-soluble complexes of phthalimido-ferrocidiphenol using methylated cyclodextrins. These novel formulations maintain potent antiproliferative activity against human glioblastoma cells, addressing a key challenge for potential cancer therapies.

Keywords:
Anticancer drugCyclodextrinFerroceneGliomaOrganometallic

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Area of Science:

  • Medicinal Chemistry
  • Nanotechnology
  • Cancer Research

Background:

  • Ferrocenyl analogues of tamoxifen show promise against glioma.
  • Poor water solubility of these compounds hinders their therapeutic application.
  • Novel formulations are required to improve delivery and efficacy.

Purpose of the Study:

  • To create and optimize water-soluble cyclodextrin complexes of phthalimido-ferrocidiphenol.
  • To evaluate the in vitro efficacy of these complexes against human glioblastoma cells.
  • To understand the molecular interactions governing complex formation.

Main Methods:

  • Complexation of phthalimido-ferrocidiphenol with methylated cyclodextrins.
  • Characterization of the complexes using molecular modeling, NMR, and UV-vis spectrophotometry.
  • In vitro antiproliferative assays on U87 human glioblastoma cells.

Main Results:

  • Optimized 1:1 and 1:2 cyclodextrin complexes were formed, enhancing water solubility.
  • NMR and UV-vis studies confirmed interactions between the drug moieties and cyclodextrins.
  • The soluble complexes retained significant antiproliferative activity against U87 cells (IC50 = 0.028 ± 0.007 μM).

Conclusions:

  • Methylated cyclodextrin complexation effectively improves the water solubility of phthalimido-ferrocidiphenol.
  • The developed formulation preserves the drug's potent anticancer activity.
  • This approach offers a promising strategy for developing novel glioma therapeutics.