Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)
Public ClinicalTrials.gov record NCT00538720. 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
Pilot Study to Detect and Assess the Effect of Vitamin D Replacement on Gland Size by 4DCT in Patients With Primary Hyperparathyroidism (PHPT)
Study identification
- NCT ID
- NCT00538720
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Enrollment
- 22 participants
Conditions and interventions
Conditions
Interventions
- Vitamin D Drug
- Four-dimensional computed tomography (4DCT) Device
Drug · Device
Eligibility (public fields only)
- Age range
- 21 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
- Sep 30, 2007
- Primary completion
- May 29, 2018
- Completion
- May 29, 2018
- Last update posted
- Mar 24, 2019
2007 – 2018
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Texas MD Anderson Cancer Center | Houston | Texas | 77030 | — |
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 NCT00538720, 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 24, 2019 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00538720 live on ClinicalTrials.gov.