In vitro anti-inflammatory potential of phloretin microemulsion as a new formulation for prospective treatment of vaginitis
Abu-Azzam, Omar; Nasr, Maha;
Abstract
Phloretin is a promising polyphenolic compound known for its anti-inflammatory properties, but its poor solubility and low bioavailability hinder its clinical applicability. Till current date, its potential in the treatment of vaginitis has not been explored, and only very few papers reported its formulation as nanoparticles to overcome its pharmaceutical challenges. Therefore, in the current study, phloretin was formulated in microemulsion of 11 nm size, and its in vitro anti-inflammatory properties were explored using histamine and IL-6 release inhibition assays, protease inhibition assay, and membrane stabilization potential. The anti-inflammatory properties of phloretin microemulsion were compared to the drug phloretin, and the reference standard non-steroidal anti-inflammatory drugs (NSAIDs). Results proved that both phloretin and phloretin microemulsion significantly inhibited the release of the inflammatory mediators histamine and IL-6, inhibited protease action, and exhibited membrane stabilization potential. Phloretin microemulsion exhibited comparable anti-inflammatory properties to the NSAIDs diclofenac and indomethacin, and, hence, it can be delineated as a promising therapeutic tool in topical treatment of vaginal inflammation.
Other data
Title | In vitro anti-inflammatory potential of phloretin microemulsion as a new formulation for prospective treatment of vaginitis | Authors | Abu-Azzam, Omar; Nasr, Maha | Keywords | Inflammation;microemulsion | Issue Date | Oct-2020 | Journal | Pharmaceutical development and technology | Volume | 25 | Issue | 8 | Start page | 930 | End page | 935 | ISSN | 1083-7450 1097-9867 |
DOI | 10.1080/10837450.2020.1764032 | PubMed ID | 32363977 |
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