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Observation of the Natural Course of Age-related Macular Degeneration

Not yet recruiting
Conditions
Dry Age-related Macular Degeneration
Macular Degeneration, Dry
Registration Number
NCT05418231
Lead Sponsor
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Brief Summary

This research will study natural course of dry AMD in Chinese population, screen fundus imaging indicators for patients with Chinese dry AMD, describe the clinical features of Chinese patients with dry AMD, and obtain a biological sample library of dry AMD mainly in China.

Detailed Description

Not available

Recruitment & Eligibility

Status
NOT_YET_RECRUITING
Sex
All
Target Recruitment
500
Inclusion Criteria
  • 50-85 yrs male or female AMD patients
  • Dry-AMD patients in either early, intermediate, or intermediate-to-late stage confirmed by fundus examinations.
Exclusion Criteria
  • Any eye with disease that would interfere with the retinal examinations
  • Research eye with CNV or high myopia
  • Surgeries that may interfere with AMD evaluation
  • Long-term uses of medications that are associated with retinal or neural toxicities.
  • IOP more than 26 mmHg
  • Received cataract surgery in 3 months.
  • Other conditions: diseases that causes less than 5 years survival; any condition that causes high risk of drop-out, or low compliance, for instance cognition disorder; have been involved in other trial that interfere with the current visit plan; taking other angiogenesis Inhibitors drugs for treating cancer.
  • Other conditions not suitable for the current study

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Visual acuity60 months

A typical ETDRS chart that if frequently used for visual acuity testing

Secondary Outcome Measures
NameTimeMethod
The rate of 5-year progression60 months

The evaluation criteria for progression: progress to intermediate (only for patients with early phase AMD at baseline) or intermediate-to-late, or late stage AMD.

Drusen density and shape60 months

Drusen Measurement on OCT or Fundus photography

GA growth rate60 months

Trial Locations

Locations (1)

Shanghai General Hospital, Shanghai Jiao Tong University

🇨🇳

Shanghai, China

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