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OpenTrials
Completed

NCT Number: NCT04448535

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

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

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Key information

Conditions

Healthy

Age range

20 year–55 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

SUNY College of Optometry

New York, 10036, United States

About this study

The study objectives are to:

  • 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

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Gingko Biloba

Dietary Supplement

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

Primary outcomes

  1. ocular blood flow

    Time frame: 4 weeks

    ocular blood flow measured with doppler ultrasound

Sponsors and collaborators

Lead sponsor

State University of New York College of Optometry

Other

Registry information

Important dates

Study start
2021
Primary completion
2022
Study completion
2022
First posted
Jun 26, 2020
Registry last updated
Oct 24, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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