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Conbercept vs Panretinal Photocoagulation for the Management of Proliferative Diabetic Retinopathy

2016-09-22 20:53:28 | BioPortfolio

Summary

Panretinal photocoagulation (PRP) has been the standard treatment for Proliferative diabetic retinopathy (PDR) since the Diabetic Retinopathy Study demonstrated its benefit nearly 40 years ago,but PRP has inevitable adverse effects on visual function. Intravitreal injection of vascular endothelial growth factor(VEGF) can induce short-term regression of retinal neovascularization(NV). The purpose is to assess and compare the efficacy and safety between intravitreal injection of conbercept and PRP.

Description

Proliferative diabetic retinopathy (PDR) is a leading cause of vision loss in patients with diabetes mellitus,which of the initial manifestation of PDR is retinal neovascularization at the disc or elsewhere.Panretinal photocoagulation (PRP) has been the standard treatment for PDR since the Diabetic Retinopathy Study demonstrated its benefit nearly 40 years ago,but PRP has inevitable adverse effects on visual function including peripheral visual field defects, night vision loss, loss of contrast sensitivity.Recent evidences have indicated that anti-vascular endothelial growth factor(VEGF) treatment can reduce the severity and delay the progression of DR.However,the impact of this treatment on visual function and the effect of anti-VEGF agents on retinal neovascularization compared with PRP remain unclear. It is possible that a long-acting anti-VEGF agent such as conbercept. So we design the study with is a prospective randomized controlled trial about Intravitreal injection of conbercept versus PRP on PDR.Primary outcome is the change in BCVA from screening to 12 months in the study eye measured in the ETDRS letter score at 4 m

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment

Conditions

Proliferative Diabetic Retinopathy

Intervention

intravitreal injection of conbercept, PRP

Location

Zhongshan Ophthalmic Center, Sun Yat-sen University
Guangzhou
Guangdong
China
510060

Status

Active, not recruiting

Source

Sun Yat-sen University

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-09-22T20:53:28-0400

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Medical and Biotech [MESH] Definitions

A drug used to reduce hemorrhage in diabetic retinopathy.

Removal of the whole or part of the vitreous body in treating endophthalmitis, diabetic retinopathy, retinal detachment, intraocular foreign bodies, and some types of glaucoma.

Disease of the RETINA as a complication of DIABETES MELLITUS. It is characterized by the progressive microvascular complications, such as ANEURYSM, interretinal EDEMA, and intraocular PATHOLOGIC NEOVASCULARIZATION.

Aneurysm of the MICROVASCULATURE. Charcot–Bouchard aneurysms are aneurysms of the brain vasculature which is a common cause of CEREBRAL HEMORRHAGE. Retinal microaneurysm is an early diagnostic sign of DIABETIC RETINOPATHY.

Vision considered to be inferior to normal vision as represented by accepted standards of acuity, field of vision, or motility. Low vision generally refers to visual disorders that are caused by diseases that cannot be corrected by refraction (e.g., MACULAR DEGENERATION; RETINITIS PIGMENTOSA; DIABETIC RETINOPATHY, etc.).

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