A Pilot Study of the Impact of Vitamin D3 on Muscle Performance in Elderly Women

ClinicalTrials.gov ID: NCT00986596

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Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the study is to investigate the effect of vitamin D on muscle tissue and physical performance.

Study identification

NCT ID: NCT00986596
Recruitment status: Completed
Study type: Interventional
Phase: Not applicable
Lead sponsor: Tufts University; Other
Enrollment: 24 participants

Conditions and interventions

Conditions

Interventions

vitamin D3 Dietary Supplement
Placebo Dietary Supplement

Dietary Supplement

Eligibility (public fields only)

Age range: 65 Years and older
Sex: Female
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: Oct 2006 (Type not available)
Primary completion: Feb 2011 (Actual)
Completion: Feb 2011 (Actual)
Last update posted: Jan 10, 2012

2006 – 2011

United States locations

U.S. sites: 1
U.S. states: 1
U.S. cities: 1

Facility	City	State	ZIP	Site status
Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University	Boston	Massachusetts	02111	—

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 NCT00986596, 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 10, 2012 · Synced Nov 15, 2026