Safety and Efficacy of Zemplar Capsule in Reducing Serum iPTH Levels in Chronic Kidney Disease Subjects (Daily Dosing)
Public ClinicalTrials.gov record NCT00048516. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The objective of this study is to determine whether paricalcitol is safe and effective compared to placebo in reducing elevated serum PTH levels in patients with chronic kidney disease.
Study identification
- NCT ID
- NCT00048516
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 68 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 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
- Feb 2002 (Type not available)
- Primary completion
- Not listed
- Completion
- Not listed
- Last update posted
- Aug 2, 2006
Started 2002
United States locations
- U.S. sites
- 16
- U.S. states
- 12
- U.S. cities
- 15
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VA Greater Los Angeles Healthcare System, West Los Angeles | Los Angeles | California | 90073 | — |
| Nephrology Associates Medical Group | Riverside | California | 92501 | — |
| Kidney Center, Inc. | Simi Valley | California | 93065 | — |
| Denver Nephrologists | Denver | Colorado | 80220 | — |
| University of CO Health Sciences Center | Denver | Colorado | 80262 | — |
| Dialysis PC | Des Moines | Iowa | 50309 | — |
| Twin Cities Clinical Research | Arden Hills | Minnesota | 55126 | — |
| Long Island College Hospital | Brooklyn | New York | 11201 | — |
| Erie County Medical Center | Buffalo | New York | 14215 | — |
| Temple University Hospital | Philadelphia | Pennsylvania | 19140 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
| Avera McKennan Research Institute | Sioux Falls | South Dakota | 57105 | — |
| Nephrology Associates | Nashville | Tennessee | 37205 | — |
| San Antonio Kidney Disease Research Center | San Antonio | Texas | 78219 | — |
| Clinical Research Associates of Tidewater | Norfolk | Virginia | 23507 | — |
| FHS Research Center | Tacoma | Washington | 98405 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00048516, 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 Aug 2, 2006 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00048516 live on ClinicalTrials.gov.