Safety and Efficacy of Zemplar Capsule in Reducing Serum IPTH Levels in Chronic Kidney Disease Subjects (Three Times Weekly)
Public ClinicalTrials.gov record NCT00048438. 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
- NCT00048438
- 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
- Jan 31, 2002
- Primary completion
- Not listed
- Completion
- Not listed
- Last update posted
- Aug 14, 2006
Started 2002
United States locations
- U.S. sites
- 17
- U.S. states
- 12
- U.S. cities
- 17
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCI Medical Center | Orange | California | 92868 | — |
| Western Nephrology | Thornton | Colorado | 80260 | — |
| Outcomes Research International, Inc. | Hudson | Florida | 34667 | — |
| Nephrology Association of South Miami | Miami | Florida | 33173 | — |
| Tampa Bay Nephrology Associates | Tampa | Florida | 33603 | — |
| Northwestern University Medical School | Chicago | Illinois | 60611 | — |
| University of Missouri Health Sciences Center | Columbia | Missouri | 65212 | — |
| Arms, Dodge, Robinson, Wilber and Crouch | Kansas City | Missouri | 64111 | — |
| Washington University School of Medicine | St Louis | Missouri | 63110 | — |
| NEA Research | Las Vegas | Nevada | 89102 | — |
| North Shore University Hospital | Great Neck | New York | 11021 | — |
| Mount Sinai School of Medicine | New York | New York | 10029 | — |
| Wake Nephrology Associates, PA | Raleigh | North Carolina | 27609 | — |
| Kidney and Hypertension Center | Cincinnati | Ohio | 45220 | — |
| Dorn VA Hospital | Columbia | South Carolina | 29209 | — |
| Dallas Nephrology Associates | Dallas | Texas | 75235 | — |
| The Vancouver Clinic, Inc., P.S. | Vancouver | Washington | 98644 | — |
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 1 non-U.S. site.
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About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00048438, 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 14, 2006 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00048438 live on ClinicalTrials.gov.