Nepafenac Versus Ketorolac Eye Drops in Prevention of Intraoperative

Status Not yet recruiting

Clinical Trial Summary

This study aim at determining the efficacy of Nepafenac and Ketorolac in obtaining adequate intraoperative mydriasis and preventing miosis during cataract surgery. It also compare the efficacy of both Nepafenac versus Ketorolac, and determine the more effective agent in preventing miosis during cataract surgery. The investigators try to determine if the effect of preoperative NSAIDs agents use would show a financial benefit, or this manoeuvre would add a financial load on the patients who are candidate for cataract surgery.

Clinical Trial Description

Maintaining adequate mydriasis is one of the most important prerequisites during both extracapsular cataract extraction and phacoemulsification intervention. The importance of intraoperative maintenance of mydriasis arises from the necessity for the surgeon to insert intra-ocular lens in the posterior chamber of the eye. It is now well established that non-steroidal anti-inflammatory drugs (NSAIDs) reduce intraoperative miosis during cataract surgery. Topical Flurbiprofen, Indomethacin and Diclofenac with and without intraoperative epinephrine are the commonest topical non-steroidal eye drops with which nearly all publications in the literature studied the prevention of intraoperative surgery-induced miosis. In addition, Diclofenac was found to be the most effective NSAIDs agent in maintaining intraoperative mydriasis.

More recently, evidence that some NSAIDs, namely ketorolac and Flurbiprofen, may have a role in preventing pseudophakic cystoid macular oedema.

Patients whom eyes are pre-treated with some NSAIDs, especially diclofenac, shows a statistically significant reduction in the degree of postoperative inflammation (e.g., redness, pain and itching) on the first post-operative day. On the contrary, Thaller et al found, in his study at 2000, that no statistically significant difference in the postoperative redness, pain and cells in the anterior chamber.

Administration of Adrenalin in the anterior chamber fluid is found by several studies to be more effective in maintaining intraoperative mydriasis than preoperative treatment with NSAIDs. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03851172
Study type	Interventional
Source	Assiut University
Contact
Status	Not yet recruiting
Phase	Phase 2
Start date	March 1, 2019
Completion date	March 30, 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Nepafenac Versus Ketorolac Eye Drops in Prevention of Intraoperative Miosis During Cataract Surgery

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms