Huperzine A in Alzheimer's Disease
Public ClinicalTrials.gov record NCT00083590. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Multi-Center, Double-Blind, Placebo-Controlled Therapeutic Trial to Determine Whether Natural Huperzine A Improves Cognitive Function
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The present study will evaluate the safety and efficacy of the Chinese herb huperzine A in the treatment of Alzheimer's disease (AD) in a randomized controlled trial of its effect on cognitive function.
Study identification
- NCT ID
- NCT00083590
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 150 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 55 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 2004 (Type not available)
- Primary completion
- Nov 2007 (Actual)
- Completion
- Nov 2007 (Actual)
- Last update posted
- Feb 21, 2008
2004 – 2007
United States locations
- U.S. sites
- 29
- U.S. states
- 17
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama | Birmingham | Alabama | 35294 | — |
| Banner Alzheimer's Institute | Phoenix | Arizona | 85006 | — |
| University of California, Irvine | Irvine | California | 92697 | — |
| University of California, San Diego, Alzheimer's Disease Research Center | La Jolla | California | 92037 | — |
| University of Southern California | Los Angeles | California | 90033 | — |
| University of California, Davis | Sacramento | California | 95817 | — |
| Georgetown University Medical Center, Memory Disorders Program | Washington D.C. | District of Columbia | 20057 | — |
| Howard University School of Medicine | Washington D.C. | District of Columbia | 20060 | — |
| MD Clinical | Fort Lauderdale | Florida | 33321 | — |
| Roskamp Institute Memory Clinic | Tampa | Florida | 33617 | — |
| University of South Florida, Suncoast Alzheimer's and Gerontology Center | Tampa | Florida | 33617 | — |
| Premiere Research Institute | West Palm Beach | Florida | 33407 | — |
| Emory University | Atlanta | Georgia | 30329 | — |
| Rush Alzheimer's Disease Center, Rush University Medical Center | Chicago | Illinois | 60612 | — |
| ICPS Group | Boston | Massachusetts | 02131 | — |
| University of Nevada School of Medicine | Las Vegas | Nevada | 89102 | — |
| Alzheimer's Research Corporation | Paterson | New Jersey | 08759 | — |
| University of Medicine and Dentistry of New Jersey | Piscataway | New Jersey | 08855 | — |
| Albany Medical Center | Albany | New York | 12208 | — |
| New York University Medical Center | New York | New York | 10016 | — |
| Mount Sinai School of Medicine | New York | New York | 10029 | — |
| Nathan S. Kline Institute for Psychiatric Research | Orangeburg | New York | 10962 | — |
| University of Rochester Medical Center | Rochester | New York | 14620 | — |
| University of North Carolina | Chapel Hill | North Carolina | 27599 | — |
| Oregon Health and Science University | Portland | Oregon | 97201 | — |
| University of Pittsburgh | Pittsburgh | Pennsylvania | 15213 | — |
| Medical University of South Carolina | North Charleston | South Carolina | 29406 | — |
| University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | — |
| University of Vermont College of Medicine | Burlington | Vermont | 05401 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00083590, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 21, 2008 · Synced Oct 21, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00083590 live on ClinicalTrials.gov.