Status:
COMPLETED
Effects of Lutein and Zeaxanthin Supplementation on Early Age-related Macular Degeneration
Lead Sponsor:
Peking University
Conditions:
Age-related Macular Degeneration
Eligibility:
All Genders
50+ years
Phase:
NA
Brief Summary
This study is to investigate the protective effects of supplemental lutein and zeaxanthin on early age-related macular degeneration (AMD) patients in China.
Detailed Description
Early age-related macular degeneration (AMD) is an early hallmark of irreversible vision impairment accompanying with senescence of macular. Given the fact in treatment, prevention strategy is thought...
Eligibility Criteria
Inclusion
- aged over 50 years, Chinese of the Han nationality
- diagnosed as age-related macular degeneration
- did not take lutein or zeaxanthin supplements in the past half a year
- good general health
- corrected visual acuity above 0.25 (20/80)
- did not take optical laser or medical treatments
Exclusion
- had other ocular diseases, such as glaucoma, macular pucker, optic neuropathy, diabetic retinopathy etc.
- had nervous system diseases, stroke, Type I diabetes
- had diseases effected nutrients absorption, such as Crohn' s disease
- had turbid ocular media or transplanted intraocular lenses
- reported abnormal digestive condition
Key Trial Info
Start Date :
June 1 2010
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
December 1 2012
Estimated Enrollment :
168 Patients enrolled
Trial Details
Trial ID
NCT01528605
Start Date
June 1 2010
End Date
December 1 2012
Last Update
August 29 2014
Active Locations (1)
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1
Haidian District
Beijing, Beijing Municipality, China, 100191