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The clinical trial will last 3 days of treatment per patient. The conjunctival swab will be taken for each of the two eyes (in treatment and control) at T0 (before starting the treatment - 3 days before the cataract surgery) and at T3 (after 3 days of treatment - immediately before the cataract surgery). The last OZODROP instillation will take place 10 minutes before taking the sample.
The aim of the study is to assess the efficacy of a liposomal ozone-based solution (OZODROP®) in the preparation of the patient for cataract surgery, by evaluating the reduction of bacterial colonization of the conjunctiva.
The study will be carried out at 20 surgical centers located throughout the national territory and will be conducted in accordance with the recommendations of Italian ethics committees.
An informed consent will be provided to all study participants. 400 eyes of 200 patients undergoing cataract surgery by phacoemulsification will be included in the study. The clinical sample is divided into two groups, study group which will include treated and (GS) and control group (GC) eyes. The study group will be treated with OZODROP®, an isotonic ophthalmic solution composed of 0.5% ozonized oil in liposomes and hypromellose, while the GC will not be treated.
At the time of recruitment, all eyes will undergo a complete examination, as usual, and the patient enrolled in the study will be shown how to proceed.
The study includes 2 times, (T0) and (T3), equal for both groups in the study. 3 days before the cataract surgery (T0), two conjunctival swabs will be taken from the patients enrolled in the study, one in the eye to be operated and one in the control eye, who will be kept at a controlled temperature (+ 2 / + 7 ° C) and sent to the laboratory within 24 hours. Than, starting on the day of collection, the patients will instill the OZODROP® eye drops in the eye to be used (2 drops 4 times a day, 1 drop every 4 hours: 9:00 am, 1:00 pm, 5:00 pm: 00, h21: 00), while the untreated contralateral eye will serve as a control.Immediately before the cataract surgery (T3), the patients enrolled in the study will again receive two conjunctival swabs, one in the eye to be operated and one in the control eye. The last OZODROP® instillation will be carried out 10 minutes before the withdrawal. For the microbiological evaluation, the conjunctival swabs taken at T0 and T3 will be sent to the Microbiology laboratory. The reduction of conjunctival microbial flora, expressed as CFU, will be evaluated.
Through the analysis of the parameters in the study, a significant reduction in the microbial flora of the conjunctiva is expected in patients undergoing treatment with OZODROP®.
University of Molise
University of Molise
Published on BioPortfolio: 2019-09-18T03:27:46-0400
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