Study of Safety and Efficacy of Doxercalciferol in Patients With Chronic Kidney Disease, Stage 3 or 4, and Secondary Hyperparathyroidism
A Phase 4, Multi-center, Randomized, Double-blind, Placebo-controlled, Parallel Study to Assess the Efficacy and Safety of Doxercalciferol Capsules in Vitamin D-replete Subjects With Chronic Kidney Disease (CKD) Stages 3 or 4 With Secondary Hyperparathyroidism (SHPT).
1 other identifier
interventional
70
2 countries
19
Brief Summary
The purpose of this study is to demonstrate the safety and effectiveness of Hectorol® (doxercalciferol) capsules in treating patients with Stage 3 or Stage 4 chronic kidney disease (CKD) with secondary hyperparathyroidism who have vitamin D levels in the normal range. Previous studies with doxercalciferol were conducted in patients who had low levels of vitamin D.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_4
Started Jul 2005
Typical duration for phase_4
19 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2005
CompletedFirst Submitted
Initial submission to the registry
July 21, 2005
CompletedFirst Posted
Study publicly available on registry
July 25, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2007
CompletedMay 5, 2015
May 1, 2015
2.3 years
July 21, 2005
May 4, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
Laboratory measurement of intact parathyroid hormone (iPTH)
6 months
Secondary Outcomes (1)
Laboratory measurement of serum bone markers
6 months
Interventions
Eligibility Criteria
You may qualify if:
- Plasma iPTH value above 110 pg/mL for CKD Stage 3 subjects or above 150 pg/mL for CKD Stage 4
- Serum 25-hydroxyvitamin D level greater than or equal to 30 ng/mL
- CKD Stage 3 evidenced by a glomerular filtration rate (GFR) from the abbreviated MDRD equation between 30-59 mL/min or CKD Stage 4 evidenced by a glomerular filtration rate (GFR) from the abbreviated MDRD equation between 15-29 mL/min
You may not qualify if:
- Serum cCa \> 9.5 mg/dL
- Serum P \> 4.6 mg/dL
- Abnormal liver functions
- Anticipated requirement for maintenance hemodialysis
- Use of active vitamin D sterol therapy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (19)
AKDHC Medical Research Services
Phoenix, Arizona, 85012, United States
UCLA Diabetes Reseach Center
Alhambra, California, United States
Apex Research of Riverside
Riverside, California, 92501, United States
George Washington University Hospital
Washington D.C., District of Columbia, 20037, United States
Discovery Medical Research Group
Ocala, Florida, 34471, United States
Nephrology Associates
Palm Beach Gardens, Florida, 33410, United States
Georgia Kidney Associates, Inc.
Marietta, Georgia, 30060, United States
Michigan Kidney Consultants, P.C.
Pontiac, Michigan, 48341, United States
Twin Cities Clinical Research
Brooklyn Center, Minnesota, 55430, United States
University of Rochester Medical Center
Rochester, New York, 14642, United States
Montefiore Medical Center
The Bronx, New York, United States
Wake Nephrology Associates, PA
Raleigh, North Carolina, United States
Wake Forest University School of Medicine
Winston-Salem, North Carolina, United States
Altru Health System Research Center
Grand Forks, North Dakota, 58201, United States
DaVita Lewiston Dialysis Center
Lewiston, Pennsylvania, 17044, United States
Temple University
Philadelphia, Pennsylvania, United States
Virginia Commonwealth University
Richmond, Virginia, United States
Instituto Renal del Este
Caguas, 00725, Puerto Rico
Jose Cangiano, MD
San Juan, 00918, Puerto Rico
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Medical Monitor
Genzyme, a Sanofi Company
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
July 21, 2005
First Posted
July 25, 2005
Study Start
July 1, 2005
Primary Completion
October 1, 2007
Study Completion
October 1, 2007
Last Updated
May 5, 2015
Record last verified: 2015-05