Vitamin D Deficiency in Elderly African American Women in Central Texas
Public ClinicalTrials.gov record NCT01971411. 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.
Study identification
- NCT ID
- NCT01971411
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- McLennan County Medical Education and Research Foundation
- Other
- Enrollment
- 60 participants
Conditions and interventions
Conditions
Interventions
- Calcium 500mg with 200 IU Vitamin D - 2 tablets daily Drug
- Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH Procedure
- Usual sun exposure documentation Behavioral
- Dietary intake of calcium, vitamin D, magnesium Behavioral
Drug · Procedure · Behavioral
Eligibility (public fields only)
- Age range
- 70 Years and older
- 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
- Feb 28, 2006
- Primary completion
- Apr 30, 2007
- Completion
- Apr 30, 2007
- Last update posted
- Mar 29, 2018
2006 – 2007
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Family Practice Center | Waco | Texas | 76643 | — |
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 NCT01971411, 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 Mar 29, 2018 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01971411 live on ClinicalTrials.gov.