CENTRAL VEIN OCCLUSION STUDY-PARTICIPATING CENTER

中央静脉阻塞研究参与中心

• 批准号: 3551887
• 负责人: GEORGE H BRESNICK
• 金额: $ 12.64万
• 依托单位: UNIVERSITY OF WISCONSIN-MADISON
• 依托单位国家: 美国
• 财政年份: 1988
• 资助国家: 美国
• 起止时间: 1988-03-01 至 1993-02-28
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/3551887
• 关键词: angiogenesis; cooperative study; disease /disorder prevention /control; edema; eye laser surgery; eye surgery; glaucoma; human subject; human therapy evaluation; longitudinal human study; photocoagulation therapy; prognosis; retina circulation disorder; retina disorder; vein occlusion

This application is for a participating center of a national collaborative randomized controlled clinical trial of photocoagulation treatment for central vein occlusion. The study will be conducted at 8 clinical centers with the Reading Center at the Bascom Palmer Eye Institute (University of Miami), and the Coordinating Center at Scott and White Hospital in Temple, Texas (Texas A&M University). Patients will be entered into four study groups: Non-perfused (Group N); Macular edema (Group M); Perfused (Group P); and indeterminant (Group I). Eyes in the first two groups will be randomly assigned to photocoagulation treatment and a control group. Patients in Groups P and I will be followed for natural history and for possible later entry into the randomized study. Estimated recruitment is 240 patients in Group N; 480 in Group P and 240 in Group I. Approximately 50% of these patients will also qualify for Group M. Patients will be recruited for the first 3 years of this 5 year study, and all patients will be followed until termination of the study. The study is designed to provide information regarding whether or not photocoagulation is efficacious in preventing neovascular glaucoma in eyes with central vein occlusion and retinal non- perfusion, and whether or not photocoagulation is useful in preserving visual acuity in eyes with central vein occlusion and macular edema. Information collected at base line and each follow-up visit will be forwarded to the Coordinating Center for processing and analysis. Photographs will be reviewed at the Reading Center to ascertain eligibility and adequacy of treatment. A Data Monitoring Committee will review interim results of the study every 6 months.

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