Vitamin D Supplement Study for Stage Three and Four Chronic Kidney Disease (CKD) Patients
Public ClinicalTrials.gov record NCT01173848. 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 Randomized Study to Evaluate the Effectiveness of Cholecalciferol Versus Ergocalciferol Following Kidney Disease Outcomes Quality Initiative (K/DOQI) Guidelines for Vitamin D Therapy in Stages 3 & 4 Chronic Kidney Disease (CKD) Patients
Study identification
- NCT ID
- NCT01173848
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- The Cleveland Clinic
- Other
- Enrollment
- 19 participants
Conditions and interventions
Conditions
Interventions
- Ergocalciferol Drug
- Cholecalciferol Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 99 Years
- 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
- Jun 30, 2010
- Primary completion
- Aug 31, 2011
- Completion
- Oct 17, 2011
- Last update posted
- Apr 3, 2017
2010 – 2011
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Cleveland Clinic | Cleveland | Ohio | 44195 | — |
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 NCT01173848, 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 Apr 3, 2017 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01173848 live on ClinicalTrials.gov.