The Effect of Grape Seed Extract on Estrogen Levels of Postmenopausal Women
Public ClinicalTrials.gov record NCT00566553. 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
The Effect of Grape Seed Extract on Estrogen Levels of Postmenopausal Women: A Pilot Study
Study identification
- NCT ID
- NCT00566553
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Mayo Clinic
- Other
- Enrollment
- 39 participants
Conditions and interventions
Conditions
Interventions
- Grape Seed Extract Dietary Supplement
Dietary Supplement
Eligibility (public fields only)
- Age range
- 55 Years to 75 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 31, 2008
- Primary completion
- Aug 31, 2011
- Completion
- Aug 31, 2011
- Last update posted
- Jan 5, 2012
2008 – 2011
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
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 NCT00566553, 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 Jan 5, 2012 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00566553 live on ClinicalTrials.gov.