Health Research Institute Of Santiago Of Compostela Idis Isciii

Santiago de Compostela, Spain

Health Research Institute Of Santiago Of Compostela Idis Isciii

Santiago de Compostela, Spain

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PubMed | Obesidomic Group Institute Investigacion Sanitaria IDIS ISCIII, University of Santiago de Compostela, Health Research Institute Of Santiago Of Compostela Idis Isciii and Xerencia de Xestion Integrada de Santiago de Compostela
Type: Comparative Study | Journal: International journal of pharmaceutics | Year: 2015

Non-steroidal anti-inflammatory drug (NSAID) eye drops are widely used to treat ocular inflammatory conditions related to ophthalmic surgical procedures, such as pseudophakic cystoid macular edema, and they have been used for off-label treatments. The most commonly used NSAIDs are diclofenac and ketorolac and the new molecules bromfenac and nepafenac have also been used. We used primary human keratocytes in cell culture in combination with a novel technology that evaluates dynamic real-time cytotoxicity through impedance analysis. This study also included classic cell viability tests (WST-1() and AlamarBlue()), wound healing assay, Hens Egg Test and an ex vivo histopathological assay. NSAIDs were shown to have important cytotoxicities and to retard the healing response. Furthermore, the new eye drops containing bromfenac and nepafenac were more cytotoxic than the more classical eye drops. Nevertheless, no immuno-histochemical changes or acute irritation processes were observed after the administration of any eye drops tested. Due to cytotoxicity and the total absence of discomfort and observable injuries after the administration of these drugs, significant corneal alterations, such as corneal melts, can develop without any previous warning signs of toxicity.

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