Safety and Efficacy of Zemplar Capsule in Reducing Serum IPTH Levels in Chronic Kidney Disease Subjects (Three Times Weekly)
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.
- Jagiellonian University
Cracow, Poland
- Uci Medical Center
Orange, California, United States
- Western Nephrology
Thornton, Colorado, United States
- Outcomes Research International, Inc.
Hudson, Florida, United States
- Nephrology Association of South Miami
Miami, Florida, United States
- Tampa Bay Nephrology Associates
Tampa, Florida, United States
- Northwestern University Medical School
Chicago, Illinois, United States
- University of Missouri Health Sciences Center
Columbia, Missouri, United States
- Arms, Dodge, Robinson, Wilber and Crouch
Kansas City, Missouri, United States
- Washington University School of Medicine
St Louis, Missouri, United States
- Nea Research
Las Vegas, Nevada, United States
- North Shore University Hospital
Great Neck, New York, United States
- Mount Sinai School of Medicine
New York, New York, United States
- Wake Nephrology Associates, Pa
Raleigh, North Carolina, United States
- Kidney and Hypertension Center
Cincinnati, Ohio, United States
- Dorn Va Hospital
Columbia, South Carolina, United States
- Dallas Nephrology Associates
Dallas, Texas, United States
- the Vancouver Clinic, Inc., P.S.
Vancouver, 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
- 15 Aug 2006
- Registered enrollment
- 68
- Registry id
- NCT00048438
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.