Formulation and Evaluation of Tacrolimus Transdermal Gel

  • CH. Suryakumari Pharmaceutics Research Lab, K L College of Pharmacy, Koneru Lakshmaiah Education Foundation, KL Deemed to be University, Guntur (Dt.), Andhra Pradesh-522 502, India
  • M. Narender Dept. of Pharmaceutics, Vikas College of Pharmacy, Vissannapeta, Krishna (Dt.), AP-521 215, India
  • K. Umasankar Dept. of Pharmaceutics, Vikas College of Pharmacy, Vissannapeta, Krishna (Dt.), AP-521 215, India
  • Siva Prasad Panda Dept. of Pharmaceutics, Vikas College of Pharmacy, Vissannapeta, Krishna (Dt.), AP-521 215, India
  • S.N. Koteswara Rao Dept. of Pharmaceutics, Vikas College of Pharmacy, Vissannapeta, Krishna (Dt.), AP-521 215, India
  • Subhranshu Panda Dept. of Pharmaceutics, Vikas College of Pharmacy, Vissannapeta, Krishna (Dt.), AP-521 215, India

Abstract

The present investigation is concerned with formulation and evaluation of Transdermal gels of Tacrolimus, anti-psoriasis drug, to circumvent the first pass effect and to improve its bioavailability with reduction in dosing frequency and dose related side effects. Twelve formulations were developed with varying concentrations of polymers like Carbopol 934P, HPMCK4M and Sodium CMC. The gels were tested for clarity, Homogeneity, Spreadability, Extrudability, Viscosity, surface pH, drug Content uniformity, in-vitro drug diffusion study and ex-vivo permeation study using rat abdominal skin. FTIR studies showed no evidence on interactions between drug, polymers and excipients. The best in-vitro drug release profile was achieved with the formulation F4 containing 0.5 mg of exhibited 6 hr drug release i.e. 98.68 % with desired therapeutic concentration which contains the drug and Carbopol 934p in the ratio of 1:2. The surface pH, drug content and viscosity of the formulation F4 was found to be 6.27, 101.3% and 3, 10,000cps respectively. The drug permeation from formulation F4 was slow and steady and 0.89gm of tacrolimus could permeate through the rat abdominal skin membrane with a flux of 0.071 gm hr-1 cm-2. The in-vitro release kinetics studies reveal that all formulations fit well with zero order kinetics followed by non-Fickian diffusion mechanism.


Keywords: Transdermal gel, Viscosity, In-vitro drug release, In-vitro drug release kinetics study, Ex-vivo permeation study

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How to Cite
Suryakumari, C., Narender, M., Umasankar, K., Panda, S. P., Koteswara Rao, S., & Panda, S. (2019). Formulation and Evaluation of Tacrolimus Transdermal Gel. Journal of Drug Delivery and Therapeutics, 9(6-s), 110-118. https://doi.org/10.22270/jddt.v9i6-s.3770