Observation of the Natural Course of Age-related Macular Degeneration
- Conditions
- Dry Age-related Macular DegenerationMacular 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
- 50-85 yrs male or female AMD patients
- Dry-AMD patients in either early, intermediate, or intermediate-to-late stage confirmed by fundus examinations.
- 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
Name Time Method Visual acuity 60 months A typical ETDRS chart that if frequently used for visual acuity testing
- Secondary Outcome Measures
Name Time Method The rate of 5-year progression 60 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 shape 60 months Drusen Measurement on OCT or Fundus photography
GA growth rate 60 months
Trial Locations
- Locations (1)
Shanghai General Hospital, Shanghai Jiao Tong University
🇨🇳Shanghai, China