• RAMESH SHINDE Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Vels Institute of Science, Technology and Advanced Studies, Chennai, Tamil Nadu, India, Chennai, Tamilnadu, India
  • MALARKODI VELRAJ Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Vels Institute of Science, Technology and Advanced Studies, Chennai, Tamil Nadu, India, Chennai, Tamilnadu, India



TDDS, Eplerenone, ERS 100, In vivo skin irritation study


Objective: The proposed work was aimed at optimization, formulation, and characterization of transdermal patches of eplerenone for efficient transdermal delivery of the drug.

Methods: The log p estimation of eplerenone is 1.34, it was closer to standard worth. Log P value in a range of 1 to 4 indicates higher permeation through the skin. FTIIR study was carried out individually for drug, each polymer, and finished product (Patches) compared eplerenone and FTIR spectra of pure drug and polymer. The calibration curve of eplerenone in Phosphate buffer pH 6.8 was analyzed.

Results: The selected range of eplerenone was found to be linear. A regression coefficient (R2) at 245 nm was found to be 0.994. Drug content outcomes additionally discovered uniform in all clusters in a range of 97 % to 98 %, that batches arranged with ERS 100 show great mechanical properties contrast with different polymers however helpless glue properties. The flatness of 4 cm2 patches ranges from 348±0.087 mg to 387±0.527 mg. skin irritation it was produced irritation with negligible erythema following 10 d and unequivocal erythema, promptly obvious edema was produced following 12 d.

Conclusion: These after-effects of the in vivo skin irritation study recommended that advanced batch S9 doesn't show any kind of significant disturbance on rodent skin for as long as 14 d and it was securely utilized around 24 h. the optimized batch S9 drug was constantly discharged through the Wistar rodent skin up to 16 hr and the delivery design was like an in vitro dissolution profile of the market product.


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