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Lornoxicam controlled release transdermal gel patch: Design, characterization and optimization using co-solvents as penetration enhancers
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Lornoxicam controlled release transdermal gel patch: Design, characterization and optimization using co-solvents as penetration enhancers
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Journal Article
Lornoxicam controlled release transdermal gel patch: Design, characterization and optimization using co-solvents as penetration enhancers
2020
Overview
The aim of the current study was to develop membrane-based transdermal patches of lornoxicam gel using oleic acid (OA)and propylene glycol (PG) as penetration enhancers to improve drug delivery across the skin and to evaluate in vivo analgesic and anti-inflammatory activity. For this purpose, nine formulations were developed in accordance with 32 factorial design using Design Expert® 11. The concentration of propylene glycol (X1) and oleic acid (X2) were selected as independent variable whereas Q10 (Y1), flux (Y2) and lag time (Y3) were considered as the response variables. The impact of drug loading, surface area, gel concentration, membrane variation and agitation speed on drug release and permeation was also studied. The skin sensitivity reaction, analgesic activity and anti-inflammatory action of the optimized patch were also determined in Albino Wistar rats. Stability studies were performed for three months at three different temperature conditions. The result suggests that a membrane-based system with controlled zero-order drug release of 95.8 ± 1.121% for 10 h exhibiting flux of 126.51±1.19 μg/cm2/h and lag time of 0.908 ±0.57h was optimized with the desired analgesic and anti-inflammatory effect can be obtained by using propylene glycol and oleic acid co-solvents as a penetration enhancer. The patch was also found stable at 4˚C for a period of 6.44 months. Formulation F9 comprising of 10% PG and 3% OA was selected as an optimized formulation. The study demonstrates that the fabricated transdermal system of lornoxicam can deliver the drug through the skin in a controlled manner with desired analgesic and anti-inflammatory activity and can be considered as a suitable alternative of the oral route.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Animals
/ Anti-Inflammatory Agents, Non-Steroidal - pharmacology
/ Delayed-Action Preparations - pharmacology
/ Design
/ Drug Delivery Systems - methods
/ Edema
/ Glycols (Class of compounds)
/ Lag time
/ Male
/ Medicine and Health Sciences
/ Nonsteroidal anti-inflammatory drugs
/ Pharmacy
/ Piroxicam - analogs & derivatives
/ Propylene Glycol - pharmacology
/ Rats
/ Skin
/ Skin Absorption - physiology
/ Solvents
/ Time
