Analysis of imaging biomarkers in development and growth of geographic atrophy in Japanese with dry aged macular degeneration

Analysis of imaging biomarkers in development and growth of geographic atrophy in Japanese with dry aged macular degeneration - Japanese dry Age-related Macular degeneration Observational study (JAMO)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050605

Enrollment

Registered

2023-03-15

Start date

2023-01-10

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

dry age-related macular degeneration

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A boundary region of GA secondary to AMD being good in at least one eye, and there not being findings of choroid neovascularity (CNV) of the past or the activity. When GA is multiple, at least one GA area must exceed 250micrometre in diameter.

Exclusion criteria

Exclusion criteria: There are the atrophy findings of either eye by the cause except AMD. (e.g., single hereditary macular dystrophy [case: stargardt disease, cone dystrophy] or toxic maculopathy of retina [case: chloroquine/hydroxychloroquine maculopathy]) Participating in a trial of GA or dry AMD,and being treated with the investigational new drug.

Design outcomes

Primary

Measure	Time frame
Atrophic progress speed	—

Secondary

Measure	Time frame
Sex, age, eyesight, refraction, ocular tension, the axis oculi head, findings, medical history	—

Countries

Japan

Contacts

Public ContactHidenori Takahashi

Jichi Medical University Ophthalmology

takahah-tky@umin.ac.jp0285-58-7382

Outcome results