Fluoroquinolone-Induced Photosensitivity: A Chemical Fragment-Based Approach by a Case/Non-case Study in VigiBase®.

Drug Safety : an International Journal of Medical Toxicology and Drug Experience
Yoann ZelmatAgnès Sommet

Abstract

Fluoroquinolones are widely used to treat bacterial infections. Many in vitro and in vivo studies have established a chemical relationship between fluoroquinolones' particular chemical structure and photosensitivity. The aim of this study was to establish a relationship between the chemical structure of fluoroquinolones and the risk of photosensitivity adverse effects from real-world data. All the Individual Case Safety Reports (ICSRs) related to fluoroquinolones and registered in the World Health Organization global database (VigiBase®) up to December 31, 2017 were collected. A disproportionality analysis was performed in order to quantify the photosensitivity risk for each fluoroquinolone by calculating their reporting odds ratio (ROR). Up to December 31, 2017, 282,805 ICSRs related to fluoroquinolones were selected, of which 1647 were photosensitivity adverse event cases. Sparfloxacin had the highest adjusted ROR of 161.10 (95% confidence interval [CI] 133.66-194.02) followed by grepafloxacin (40.30 [26.30-59.60]) closely followed by lomefloxacin (32.61 [28.61-37.07]), then enoxacin (11.04 [8.33-14.32]) and fleroxacin (8.22 [5.06-12.56]). This study confirms the high reporting rate of photosensitivity adverse effects for spa...Continue Reading

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