Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 2:33 AM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Breast Cancer, Neurotoxicity
Interventions
Ginkgo Biloba, Placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2015
U.S. locations
175
States / cities
Scottsdale, Arizona • Lompoc, California • Santa Barbara, California + 111 more
Conditions
Intermittent Claudication, Peripheral Vascular Disease
Interventions
Gingko Biloba (Herb)
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Stanford, California
Conditions
Primary Open Angle Glaucoma
Interventions
GlaucoCetin, Placebo
Dietary Supplement · Other
Lead sponsor
Wills Eye
Other
Eligibility
40 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Whole Foods Supplementation on Cognition

NCT01672359
Conditions
Sub-optimal Cognitive Function, Sub-optimal Immune Function
Interventions
Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
60 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Conditions
Open-angle Glaucoma, Diabetic Retinopathy
Interventions
GlaucoHealth, GlaucoSelect, Placebo
Drug
Lead sponsor
The New York Eye & Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Asthma
Interventions
Gingko biloba, Borage oil
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
16 Years to 75 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Sacramento, California
Completed Phase 4 Interventional Accepts healthy volunteers

Treatment for Early Memory Loss

NCT00042172
Conditions
Cognition Disorders, Alzheimer Disease
Interventions
Donepezil, Ginkgo Biloba Extract
Drug
Lead sponsor
University of Iowa
Other
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Type 2 Diabetes Mellitus
Interventions
Ginkgo biloba extract
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
20 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Multiple Sclerosis, Cognitive Ability, General
Interventions
Ginkgo biloba, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Portland, Oregon • Seattle, Washington
Conditions
Healthy
Interventions
NeuroQ
Dietary Supplement
Lead sponsor
LifeSeasons Inc.
Industry
Eligibility
45 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Studio City, California • Flower Mound, Texas
Conditions
Normal Tension Glaucoma
Interventions
Gingko Baloba, Placebo
Dietary Supplement · Other
Lead sponsor
Robert Ritch, MD, LLC.
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Ginseng and Ginkgo on Drug Disposition in Man

NCT00029692
Conditions
Healthy
Interventions
Ginseng, Ginkgo
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
20 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Stress, Mood, Cognitive Change
Interventions
Low Dose Virtiva Plus, High Dose Virtiva Plus
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
50 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Mental Processes, Cognitive Change, Mood Change
Interventions
Placebo, Enovita Grape Seed Extract, Mirtoselect Bilberry Extract, Virtiva Plus Ginko Biloba Extract
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
25 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Traumatic Brain Injury
Interventions
Multivitamin Supplement intervention
Dietary Supplement
Lead sponsor
Amen Clinics, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Newport Beach, California
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT04448535
Conditions
Healthy
Interventions
Gingko Biloba
Dietary Supplement
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
20 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Multiple Sclerosis
Interventions
Ginkgo biloba, Alpha-lipoic acid, Vitamin E/Selenium, Essential fatty acids
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
0 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Hypoactive Sexual Desire Disorder, Sexual Dysfunctions, Psychological
Interventions
Ginkgo Biloba, Sex Therapy (genital focus)
Drug · Behavioral
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Austin, Texas
Conditions
Healthy
Interventions
Gingko Biloba, Echinacea purpurea, Panax ginseng
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Anxiety Disorders and Symptoms, Fibromyalgia, Arthritis, Chronic Pain, Hypertension,Essential
Interventions
IV Vitamin Infused Therapy Treatment, Herbal medicine
Dietary Supplement · Drug
Lead sponsor
Faith A. Richardson
Other
Eligibility
21 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Dover, Delaware
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Ginkgo Biloba on Phenytoin Elimination

NCT00011063
Conditions
Healthy
Interventions
Ginkgo Biloba
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Memory, Short-Term
Interventions
ginkgo biloba, matched placebo
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Brain and Central Nervous System Tumors, Radiation Toxicity
Interventions
EGb761, donepezil hydrochloride, cognitive assessment
Dietary Supplement · Drug · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 120 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2012
U.S. locations
4
States / cities
Phoenix, Arizona • Rome, Georgia • Winston-Salem, North Carolina + 1 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Ginkgo Biloba Prevention Trial in Older Individuals

NCT00010803
Conditions
Dementia, Alzheimer's Disease
Interventions
Ginkgo biloba, Placebo
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
75 Years and older
Enrollment
3,069 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2011
U.S. locations
5
States / cities
Sacramento, California • Baltimore, Maryland • Winston-Salem, North Carolina + 2 more