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Evaluation of the Effect of Topical Ketorolac in Reducing Pain in Patients Undergoing Panretinal Photocoagulation

The Effect of Topical Ketorolac on Pain Resulting from Panretinal Photocoagulation (PRP) Measured by VAS in Adults with Bilateral Diabetic Retinopathy Compared to Placebo

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250826067007N1
Enrollment
28
Registered
2025-09-23
Start date
2025-08-23
Completion date
Unknown
Last updated
2025-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Proliferative Diabetic Retinopathy. Retinal disorders in diseases classified elsewhere

Interventions

Intervention 1: Intervention group: The intervention consists of topical ketorolac tromethamine 0.5% ophthalmic solution. Ketorolac tromethamine is a non-steroidal anti-inflammatory drug (NSAID) admin

Sponsors

Bandare-abbas University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Adult (18 years or older) Bilateral diffuse diabetic retinopathy without vitreous hemorrhage Need for new or additional bilateral diffuse laser treatment There is no history of sensitivity or intolerance to ketorolac tromethamine or hydroxypropyl methylcellulose Willingness to participate in the study

Exclusion criteria

Exclusion criteria: Pregnancy or breastfeeding Active keratitis or corneal disease Any systemic conditions that may affect the study Previous scattered laser treatment in the last 2 weeks Use of any topical or systemic medication that may affect pain perception

Design outcomes

Primary

MeasureTime frame
Pain intensity immediately after panretinal photocoagulation. Timepoint: Pain intensity will be measured immediately after panretinal photocoagulation in both eyes. Method of measurement: Pain will be measured using the Visual Analog Scale (VAS); a 10-cm line where 0 indicates “no pain” and 10 indicates “worst imaginable pain”.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAlireza Ghasemi

Bandare-abbas University of Medical Sciences

alirezag307@gmail.com+98 71 5244 0376

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026