Search / Trial NCT00000160

Diabetic Retinopathy Study (DRS)

Launched by NATIONAL EYE INSTITUTE (NEI) · Sep 23, 1999

Trial Information

Current as of December 27, 2024

Completed

Keywords

Vision Loss

ClinConnect Summary

By the 1950s, diabetic retinopathy had become a leading cause of blindness and visual disability in the United States. The use of photocoagulation to treat proliferative retinopathy gained widespread use in ophthalmic practice following its introduction in 1959. However, only a few studies of photocoagulation incorporated any of the basic principles of controlled clinical trials, and these involved inadequate numbers of patients. Consequently, there has been inadequate evidence of the actual value of the procedure. Because of the clinical importance of diabetic retinopathy and the increasin...

Gender

ALL

Eligibility criteria

  • Patients were eligible if they had best corrected visual acuity of 20/100 or better in each eye and the presence of proliferative diabetic retinopathy in at least one eye or severe nonproliferative retinopathy in both eyes. They could not have had prior treatment with photocoagulation or pituitary ablation, and both eyes had to be suitable for photocoagulation. All eligible patients were younger than 70 years, and the examining physician assessed the outlook for survival and availability for 5 years of followup to be good.

About National Eye Institute (Nei)

The National Eye Institute (NEI), part of the U.S. National Institutes of Health (NIH), is dedicated to conducting and supporting innovative research to understand, prevent, and treat eye diseases and vision disorders. As a leading sponsor of clinical trials, NEI aims to advance knowledge in ocular health through rigorous scientific inquiry and collaboration with researchers, healthcare professionals, and institutions. By fostering the development of new therapies and technologies, NEI plays a pivotal role in enhancing the quality of life for individuals affected by visual impairments and eye conditions.

Locations

People applied

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

Discussion 0

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