S-PRP
Randomized, Parallel Controlled, Clinical-trial on 532nm Laser Partially Subthreshold Panretinal Photocoagulation With PASCAL Endpoint Management Function for Severe Non-proliferative Diabetic Retinopathy(NPDR)
Sponsor study identifier
Secondary identifiers
REGISTRY · Chinese Clinical Trial Registry
interventional
84
1 country
1
Study Start
March 2016
Actual (reported)Primary Completion
December 2018
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
December 2018
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
This randomized, parallel controlled, clinical-trial aims to evaluate the therapeutic efficacy of 532nm laser partially subthreshold panretinal photocoagulation with PASCAL endpoint management function for severe non-proliferative diabetic retinopathy.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 2018
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
December 18, 2012
Actual (reported)January 2, 2013
Actual (reported)March 2016
Actual (reported)December 2018
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
December 2018
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
change of best corrected visual acuity
best corrected visual acuity
1 year
the probability of vitreous haemorrhage
1 year
Central Retinal Thickness
1 year
foveal volume of macula
1 year
amount of microaneurysms
1 year
amount of bard exudate
1 year
amount of retinal hemorrhage
1 year
532nm-short pulse panretinal photocoagulation with PASCAL function
532nm-partially subthreshold short pulse panretinal photocoagulation with PASCAL endpoint management function
532nm-short pulse panretinal photocoagulation with PASCAL function
532nm-partially subthreshold short pulse panretinal photocoagulation with PASCAL endpoint management function
Zhongshan Ophthalmic Center, Sun Yat-sen University
Guangzhou, Guangdong, 510060, China
Li Z, Lu T, Zhou L, Huang C, Zhao H, Liang J, Li C, Cong Q, Lan Y, Jin C. Retinal and Choroidal Alterations in Diabetic Retinopathy Treatment using Subthreshold Panretinal Photocoagulation with Endpoint Management Algorithm: A Secondary Analysis of a Randomized Clinical Trial. Ophthalmol Ther. 2023 Aug;12(4):1867-1880. doi: 10.1007/s40123-023-00713-0. Epub 2023 Apr 30.
Zhao H, Zhou L, Lai K, Yu M, Huang C, Xu F, Li C, Lu L, Jin C. Comparison of functional changes of retina after subthreshold and threshold pan-retinal photocoagulation in severe non-proliferative diabetic retinopathy. Lasers Med Sci. 2022 Dec;37(9):3561-3569. doi: 10.1007/s10103-022-03635-8. Epub 2022 Sep 7.
Chen-jin Jin
Zhongshan Ophthalmic Center, Sun Yat-sen University
Pei-pei Wu
Zhongshan Ophthalmic Center, Sun Yat-sen University
First Submitted
December 18, 2012
First Posted
January 2, 2013
Study Start
March 2016
Actual (reported)Primary Completion
December 2018
Estimated (date passed)Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
December 2018
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
October 13, 2017
Record last verified: 2017-10
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.
Source retrieved: