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Clinical Trials in Singapore / NCT07236671
Recruiting Observational

Progression Patterns of Choroidal Venous Alterations

NCT07236671 · tracked via the Priya Life Science Singapore tracker
Sponsor
Singapore National Eye Centre
Phase
Observational
Started
2025-03-04
Last updated
2026-06-12

Condition(s) studied

Pachychoroid Disease

Study summary

This study is about understanding how a condition called pachychoroid changes over time. Pachychoroid refers to an anatomic choroidal characteristic with abnormally thick choroid or abnormally dilated Haller's vessels. Pachychoroid can range from mild forms which does not cause any problems to more serious ones that might cause vision loss.This study will recruit participants with pachychoroid, to learn more about how this condition develops, how it affects people in the long run, and what factors might make it worse.

Eligibility

Sex
ALL
Min age
45 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria: 1. Adults aged 45 years or older. 2. Presence of pachyvessels on ultra-widefield (UWF) imaging in at least one quadrant. 3. Willing to undergo pupil dilation, and protocol-required procedures for both eyes 4. Willing to provide written informed consent Exclusion Criteria: 1. Presence of disorders of the ocular media which interfere with visual acuity and other ocular assessments during the study period 2. Eyes with other ocular pathology such as trauma, inflammation, previous intraocular surgery (except for cataract surgery) 3. Systemic diseases that might affect ocular blood flow such as uncontrolled hypertension, autoimmune disease, and haematological disorders 4. Pregnant or nursing women 5. Persons who are unable to give informed consent

Primary outcome measure(s)

Trial sites (4)

FacilityCityRegionStatus
Hong Kong University Hong Kong Hong Kong Recruiting
University of Malaya Medical Centre Kuala Lumpur Malaysia Recruiting
National University Hospital, Singapore Singapore Singapore Recruiting
Singapore National Eye Centre/ Singapore Eye Research Institute Singapore Singapore Recruiting

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Other trials for the same condition

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07236671 on ClinicalTrials.gov ↗ ← All trials in Singapore