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学科主题: 临床医学
题名:
Safety and Efficacy of Conbercept in Neovascular Age-Related Macular Degeneration Results from a 12-Month Randomized Phase 2 Study: AURORA Study
作者: Li, Xiaoxin1; Xu, Gezhi2; Wang, Yusheng3; Xu, Xun4; Liu, Xiaoling5; Tang, Shibo6; Zhang, Feng7; Zhang, Junjun8; Tang, Luosheng9; Wu, Quan10; Luo, Delun10; Ke, Xiao10; AURORA Study Grp
刊名: OPHTHALMOLOGY
发表日期: 2014-09-01
DOI: 10.1016/j.ophtha.2014.03.026
卷: 121, 期:9, 页:1740-1747
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Ophthalmology
研究领域[WOS]: Ophthalmology
关键词[WOS]: ENDOTHELIAL GROWTH-FACTOR ; RANIBIZUMAB ; RECEPTOR ; THERAPY ; BINDING ; DOMAIN
英文摘要:

Purpose: To assess the safety and efficacy of multiple injections of 0.5 and 2.0 mg conbercept using variable dosing regimens in patients with neovascular age-related macular degeneration (AMD).

Design: Randomized, double-masked, multicenter, controlled-dose, and interval-ranging phase 2 clinical trial divided into a 3-month loading phase followed by a maintenance phase.

Participants: Patients with choroidal neovascularization secondary to AMD with lesion sizes of 12 disc areas or less and a best-corrected visual acuity (BCVA) letter score of between 73 and 24 were enrolled.

Methods: Patients were randomized 1:1 to receive either 0.5 or 2.0 mg intravitreal conbercept for 3 consecutive monthly does. After the third dose, each group was reassigned randomly again to monthly (Q1M group) or as-needed (pro re nata [PRN] group) treatment without changing the drug assignment.

Main Outcome Measures: The primary end point was the mean change in BCVA from baseline to month 3, with secondary end points being the mean change in BCVA, mean change in central retinal thickness (CRT), and safety at month 12.

Results: We enrolled 122 patients. At the primary end point at month 3, mean improvements in BCVA from baseline in the 0.5- and 2.0-mg groups were 8.97 and 10.43 letters, respectively. At month 12, mean improvements in BCVA from baseline were 14.31, 9.31, 12.42, and 15.43 letters for the 0.5-mg PRN, 0.5-mg Q1M, 2.0-mg PRN, and 2.0-mg Q1M regimens, respectively. At month 12, mean reductions in CRT in the 4 regimens were 119.8, 129.7, 152.1, and 170.8 mu m, respectively. There were no significant differences for the pairwise comparisons between all study groups. The difference in the number of injections between the 2 PRN groups was not statistically significant. Treatment with conbercept generally was safe and well tolerated.

Conclusions: The significant gains in BCVA at 3 months were the same or better at 12 months in all conbercept dosing groups of neovascular AMD patients. During the 12 months, repeated intravitreal injections of conbercept were well tolerated in these patients. Future clinical trials are required to confirm its long-term efficacy and safety. (C) 2014 by the American Academy of Ophthalmology.

语种: 英语
项目资助者: Chengdu Kanghong Biotechnology, Inc., Chengdu, Sichuan, China
WOS记录号: WOS:000341151800024
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/63270
Appears in Collections:北京大学第二临床医学院_眼科_期刊论文

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作者单位: 1.Shanghai First Peoples Hosp, Dept Ophthalmol, Shanghai, Peoples R China
2.Peking Univ, Dept Ophthalmol, Peoples Hosp, Beijing 100871, Peoples R China
3.Fudan Univ, Dept Ophthalmol, Eye & ENT Hosp, Shanghai 200433, Peoples R China
4.Fourth Mil Med Univ, Xijing Hosp, Dept Ophthalmol, Xian 710032, Shanxi, Peoples R China
5.Hosp Wenzhou, Coll Med, Dept Ophthalmol Optometry & Ophthalmol, Wenzhou, Fujian, Peoples R China
6.Sun Yat Sen Univ, Dept Ophthalmol, Zhongshan Ophthalm Ctr, Guangzhou 510275, Guangdong, Peoples R China
7.Peking Tongren Hosp, Dept Ophthalmol, Beijing, Peoples R China
8.Sichuan Univ, West China Hosp, Dept Ophthalmol, Chengdu 610064, Sichuan, Peoples R China
9.Xiangya Med Coll, Affiliated Hosp 2, Dept Ophthalmol, Changsha, Hunan, Peoples R China
10.Chengdu Kanghong Biotechnol Inc, Dept Clin Res, Chengdu, Peoples R China

Recommended Citation:
Li, Xiaoxin,Xu, Gezhi,Wang, Yusheng,et al. Safety and Efficacy of Conbercept in Neovascular Age-Related Macular Degeneration Results from a 12-Month Randomized Phase 2 Study: AURORA Study[J]. OPHTHALMOLOGY,2014,121(9):1740-1747.
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