Clinical trialNCT00010803CompletedPhase 3Interventional

Ginkgo Biloba Prevention Trial in Older Individuals

SponsorNational Center for Complementary and Integrative Health (NCCIH)Enrollment3,069Alzheimer's DiseaseDementia

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This study will determine the effect of 240mg/day Ginkgo biloba in decreasing the incidence of dementia and specifically Alzheimer's disease (AD), slowing cognitive decline and functional disability, reducing incidence of cardiovascular disease, and decreasing total mortality.

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Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Steven T. DeKosky, M.D.
University of Pittsburgh, Department of Neurology
Principal Investigator
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

5 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University of California, Davis
Sacramento, California, United States
Johns Hopkins University
Baltimore, Maryland, United States
Wake Forest University School of Medicine
Winston-Salem, North Carolina, United States
University of Pittsburgh
Pittsburgh, Pennsylvania, United States
University of Pittsburgh/university of Virginia
Charlottesville, Virginia, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Ginkgo biloba extractPlacebo

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Oct 2000
Primary completion: 30 Apr 2008
Completion: 31 Jul 2011
Last update posted: 14 Mar 2013
Registered enrollment: 3,069
Registry id: NCT00010803

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.