DEVELOPMENT AND ESTIMATION OF ANTI-INFLAMMATORY ACTIVITY OF TOPICAL ETORICOXIB EMULGEL BY CARRAGEENAN INDUCED PAW OEDEMA METHOD
Emulgel is one of the emerging topical drug delivery system for the delivery of hydrophobic drugs which overcome various disadvantages of ointments and creams such as greasiness and phase inversion.
Etoricoxib is poorly aqueous soluble Non steroidal Anti-Inflammatory Drug (NSAID). It is used in osteoarthritis, rheumatoid arthritis, acute gouty arthritis, ankylosing spondylitis, low back pain, acute postoperative pain, and primary dysmenorrheal. Its oral delivery is associated with greater chance of adverse effects or therapeutic failure and large amount of drug is lost in the vicinity of the target organ. Also oral administration of etoricoxib causes gastro-intestinal irritation. The aim of the present study was to develop an emulgel formulations using the gelling agent like Carbopol 934 and HPMCK4M with emulsifiers like Span 20 and Tween 20. Six emulgel formulations were developed and evaluated on different parameters like physical appearance, pH, viscosity, extrudability, drug content, spreadability, In-vitro diffusion studies, and skin irritation test. Best formulation of batch EG1 was further evaluated for stability study and anti-inflammatory activity in carrageenan induced rat paw edema. Anti-inflammatory effect of formulation EG1 was compared with standard market product Indomethacin.
Peer Review History:
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Average Peer review marks at initial stage: 5.5/10
Average Peer review marks at publication stage: 8.5/10
Name: Dr. Sally A. El-Zahaby
Affiliation: Pharos University in Alexandria, Egypt
Name: Dr. Evren Alğin Yapar
Affiliation: Turkish Medicines and Medical Devices Agency, Turkiye
Comments of reviewer(s):