Safety and Efficacy of Zemplar Capsule in Reducing Serum iPTH Levels in Chronic Kidney Disease Subjects (Three Times Weekly)
Public ClinicalTrials.gov record NCT00048451. 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
- NCT00048451
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Abbott
- Industry
- Enrollment
- 68 participants
Conditions and interventions
Conditions
Interventions
- paricalcitol Drug
Drug
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 1, 2006
Started 2002
United States locations
- U.S. sites
- 18
- U.S. states
- 11
- U.S. cities
- 18
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Tucson Therapeutic Research Institute, Inc. | Tucson | Arizona | 85712 | — |
| Not listed | Pasadena | California | 91105 | — |
| California Institute of Renal Research | San Diego | California | 92120 | — |
| Nephrology Educational Services and Research, Inc. | Tarzana | California | 91356 | — |
| Phoenix Internal Medicine Associates | Waterbury | Connecticut | 06708 | — |
| University of Florida | Gainesville | Florida | 32610 | — |
| Miami Kidney Group | Miami | Florida | 33143 | — |
| ICSL Clinical Studies | Sarasota | Florida | 34232 | — |
| Genesis Clinical Research Corporation | Tampa | Florida | 33614 | — |
| Evanston Northwestern Healthcare | Evanston | Illinois | 60201 | — |
| Medisphere Medical Research Center | Evansville | Indiana | 47714 | — |
| Ochsner Clinic Chronic Dialysis | New Orleans | Louisiana | 70121 | — |
| Biolab Research, LLC | Rockville | Maryland | 20852 | — |
| The Rogosin Institute | New York | New York | 10021 | — |
| Dialysis Clinic, Inc. | Cincinnati | Ohio | 45206 | — |
| Kidney Associates | Houston | Texas | 77030 | — |
| Texas Tech University Health Science Center | Lubbock | Texas | 79430 | — |
| University of Texas Health Science Center | San Antonio | Texas | 78229 | — |
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.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00048451, 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 1, 2006 · Synced Jul 23, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00048451 live on ClinicalTrials.gov.