Safety and Efficacy of Zemplar Capsule in Reducing Serum iPTH Levels in Chronic Kidney Disease Subjects (Daily Dosing)
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Laura Williams, M.D.
Abbott
Study Director
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
18 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Wojewodzki Szpital Specjalistyczny Am W Bialymstoku
Bialymstoku, Poland
- Krakow Hospital
Krakow, Poland
- Va Greater Los Angeles Healthcare System, West Los Angeles
Los Angeles, California, United States
- Nephrology Associates Medical Group
Riverside, California, United States
- Kidney Center, Inc.
Simi Valley, California, United States
- Denver Nephrologists
Denver, Colorado, United States
- University of Co Health Sciences Center
Denver, Colorado, United States
- Dialysis Pc
Des Moines, Iowa, United States
- Twin Cities Clinical Research
Arden Hills, Minnesota, United States
- Long Island College Hospital
Brooklyn, New York, United States
- Erie County Medical Center
Buffalo, New York, United States
- Temple University Hospital
Philadelphia, Pennsylvania, United States
- Medical University of South Carolina
Charleston, South Carolina, United States
- Avera Mckennan Research Institute
Sioux Falls, South Dakota, United States
- Nephrology Associates
Nashville, Tennessee, United States
- San Antonio Kidney Disease Research Center
San Antonio, Texas, United States
- Clinical Research Associates of Tidewater
Norfolk, Virginia, United States
- Fhs Research Center
Tacoma, Washington, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 28 Feb 2002
- Primary completion
- —
- Completion
- —
- Last update posted
- 2 Aug 2006
- Registered enrollment
- 68
- Registry id
- NCT00048516
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.