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

October 20, 2022 updated by: Alexandra Benavente, State University of New York College of Optometry
The purpose of this study is to understand the effect of Ginkgo Biloba oral supplements on retinal and choroidal ocular tissue.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

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

Study Type

Interventional

Enrollment (Actual)

20

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • New York
      • New York, New York, United States, 10036
        • SUNY College of Optometry

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years to 55 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Gingko Biloba
oral intake of gingko biloba for 4 weeks
Dietary supplement: Gingko Biloba
oral intake of Gingko Biloba, 240mg/day for 4 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
ocular blood flow
Time Frame: 4 weeks
ocular blood flow measured with doppler ultrasound
4 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

State University of New York College of Optometry

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2021

Primary Completion (Actual)

August 3, 2022

Study Completion (Actual)

August 3, 2022

Study Registration Dates

First Submitted

June 24, 2020

First Submitted That Met QC Criteria

June 24, 2020

First Posted (Actual)

June 26, 2020

Study Record Updates

Last Update Posted (Actual)

October 24, 2022

Last Update Submitted That Met QC Criteria

October 20, 2022

Last Verified

October 1, 2022

More Information

Terms related to this study

Other Study ID Numbers

  • 1619383-1

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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