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Initial Versus Delayed PDT Combination With Conbercept in PCV

Polypoidal Choroidal Vasculopathy Clinical Trial

Official title:
Efficacy and Safety of Initial Versus Delayed Verteporfin Photodynamic Therapy in Combination With Conbercept in Patients With Symptomatic Polypoidal Choroidal Vasculopathy

Clinical Trial Summary

To compare the initial versus delayed verteporfin photodynamic therapy (PDT) in combination with conbercept in patients with symptomatic polypoidal choroidal vasculopathy (PCV).

Clinical Trial Description

Polypoidal choroidal vasculopathy (PCV) is characterized by polypoidal choroidal vascular dilatation with or without abnormally branching vascular networks(BVN) on indocyanine green angiography (ICGA). It has been considered to be a subtype of wet age-related macular degeneration(wAMD). PCV is more prevalent in Asian patients than in white patients; nearly half of Chinese patients who was diagnosed with wAMD actually was PCV.

However, recently, the first choice treatment for wAMD has shifted to anti-vascular endothelial growth factor (VEGF) drugs, such as bevacizumab(Avastin,Genentech Inc), ranibizumab (Lucentis, Genentech Inc)and aflibercept (Eylea, Regeneron,Berlin,Germany) from PDT, and the vision improving effect has been confirmed regardless of race or disease subtype. Therefore, eyes with PCV can be treated initially with anti-VEGF drugs, however, they are limited in their ability to resolve polypoidal lesions, for which PDT works effectively.

Combination therapy of PDT and anti-VEGF drugs provides the complementary effects of both treatments, but it remains unknown whether PDT should have been administered at the beginning of treatment or during follow-up of anti-VEGF therapy. The purpose of this study was to compare the 12-months treatment results of initial and delayed PDT combined with conbercept (Lumitin, Chengdu Kang Hong Biotech Co., Ltd., Sichuan, China) for PCV. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02821520
Study type Interventional
Source The Eye Hospital of Wenzhou Medical University
Contact
Status Completed
Phase Phase 4
Start date January 2017
Completion date June 2019
View Details
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