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Merck
  • Efficacy and safety of netilmycin/dexamethasone preservative-free and tobramycin/dexamethasone-preserved fixed combination in patients after cataract surgery.

Efficacy and safety of netilmycin/dexamethasone preservative-free and tobramycin/dexamethasone-preserved fixed combination in patients after cataract surgery.

Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics (2010-11-03)
Veronica Pianini, Andrea Passani, Gemma C M Rossi, Franco Passani
摘要

To compare the efficacy and safety of preservative-free Netilmycin/Dexamethasone with that of preserved Tobramycin/Dexamethasone, postcataract surgery. Prospective, randomized, single-blind study on patients submitted to phacoemulsification. During preoperatory visits, at 7 and 21 days conjunctival hyperemia, corneal edema, Tyndall, Shirmer I, corneal and conjunctival lissamine green and fluorescein staining, and intraocular pressure (IOP) were recorded. Postoperative pain (at day 7) and the subjective tolerability (at day 21) were investigated. Eighty patients completed the study and the data collected were analyzed (44 on Netilmycin/Dexamethasone). Regarding the primary efficacy variable, intraocular inflammation, no microbial events were recorded, but aqueous flare was significantly lower with Tobramycin/Dexamethasone at 1 week (P = 0.002). Regarding secondary efficacy variables, conjunctival hyperemia was lower in patients under Tobramycin/Dexamethasone (P < 0.001), but corneal edema and ocular pain were similar. Regarding safety, no significant differences on ocular surface status were recorded. Both formulations were well tolerated, but Tobramycin/Dexamethasone caused an increased IOP at 1 week (P < 0.0001). Both the studied fixed combinations are safe and effective in controlling postoperative inflammation and preventing postoperative ocular infections. Tobramycin/Dexamethasone has a quicker anti-inflammatory effect but needs IOP monitoring. Further studies on more patients using a sounder scientific design are needed to confirm our findings.

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奈替米星 硫酸盐