Article

Pharmaceutical Formulation and Biochemical Evaluation of Atorvastatin Transdermal Patches

Tamer M. Shehata1,2★, Omar M.M. Mohafez1,3, Hamza N. Hanieh4★ Corresponding author

  1. 1College of Clinical Pharmacy, King Faisal University, Ahsaa, SAUDI ARABIA.
  2. 2Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, EGYPT.
  3. 3Department of Biochemistry, Faculty of Pharmacy, Al-Azhar, Assiut University, EGYPT.
  4. 4Department of Biological Sciences, Faculty of Science, King Faisal University, Ahsaa, SAUDI ARABIA.

CORRESPONDENCE

Tamer M. Shehata

College of Clinical Pharmacy, King Faisal University, Ahsaa, SAUDI ARABIA.

tshehata@kfu.edu.sa

Received: 01-05-2017; Revised: 15-06-2017; Accepted: 25-09-2017.

Volume 52, Issue 1 · pp. 54–61 · PUBLISHED 2018 · DOI: 10.5530/ijper.52.1.6

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ABSTRACT

Atorvastatin is a lipid lowering agent and widely used to treat hypercholestermia. However following oral administration, the bioavailability of the drug is only 12% due to extensive first pass metabolism. The aim of the current research was to formulate ATO- transdermal patches utilizing various polymers combinations. Hydroxypropyl methylcellulose with either eudragit RS100 or Polyvinylpyrrolidone were mixed in different ratios, in presence of polyethylene glycol 400 as plasticizer. The patches were prepared by solvent evaporation method. Physicomechanical parameters such as, drug content, patch thickness, tensile strength, moisture loss and moisture gained were evaluated. Additionally drug excipient compatibility was assessed by FTIR and DSC. In vitro drug release was measured in phosphate buffer pH 7.4 at 37 °C. Finally, biochemical evaluation of the best formulae was evaluated on hyperlipidemic-induced rats. The results indicated that, Hydroxypropyl methylcellulose: Polyvinylpyrrolidone in a ratio of 3:1 showed the most appropriate physicomechanical characters with confirmed physical and chemical drug-polymer compatibility. In addition, the in-vitro experiment showed enhanced atorvastatin release over 24 hr. The pharmacological evaluation of F2 formula indicated a significant hypolibedimic effect compared to orally administered atorvastatin. The results revealed that, atorvastatin transdermal patch could be considered as promising drug delivery system for hyperlipidemic patients.

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    Shehata, T. M., Mohafez, O. M., & Hanieh, H. N. (2018). Pharmaceutical Formulation and Biochemical Evaluation of Atorvastatin Transdermal Patches. Indian Journal of Pharmaceutical Education and Research, 52(1), 54–61. https://doi.org/10.5530/ijper.52.1.6