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Effects of Ginkgo (Gingko Biloba) on Retinal and Choroidal Ocular Tissue

Effects of Ginkgo (Gingko Biloba) on Retinal and Choroidal Ocular Tissue

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04448535
Enrollment
20
Registered
2020-06-26
Start date
2021-01-01
Completion date
2022-08-03
Last updated
2022-10-24

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

Conditions

Healthy

Brief summary

The purpose of this study is to understand the effect of Ginkgo Biloba oral supplements on retinal and choroidal ocular tissue.

Detailed description

The study objectives are to: 1\. assess the changes from pre- to post- oral supplementation on retinal and choroidal thickness and blood flow, retinal oxygen saturation, ocular perfusion pressure, and retinal function

Interventions

DIETARY_SUPPLEMENTGingko Biloba

oral intake of Gingko Biloba, 240mg/day for 4 weeks

Sponsors

State University of New York College of Optometry
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
20 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Aged between 20 - 55 years, inclusive * Good general and ocular health * Corrected visual acuity of 20/40 or better * No gingko biloba supplementation within the last 3 months

Exclusion criteria

* All significant ocular and any systemic disorders considered likely to affect the systemic or ocular vasculature * History of ocular surgery, including refractive surgery * Use of ocular medications * Conditions where ginkgo supplementation is contraindicated * Any eye or systemic disease that affect vision or refractive error * Current smokers * Subjects who are pregnant, breastfeeding, or planning conception

Design outcomes

Primary

MeasureTime frameDescription
ocular blood flow4 weeksocular blood flow measured with doppler ultrasound

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026