How Vitamin D Analogues Affect Endothelial Cells in Patients on Dialysis

This study has been completed.
Sponsor:
Collaborator:
Genzyme
Information provided by (Responsible Party):
Duke University
ClinicalTrials.gov Identifier:
NCT00528788
First received: September 10, 2007
Last updated: August 6, 2012
Last verified: August 2012

September 10, 2007
August 6, 2012
September 2007
August 2012   (final data collection date for primary outcome measure)
change in endothelial cell function [ Time Frame: 1 month ] [ Designated as safety issue: No ]
change in endothelial cell function [ Time Frame: 1 month ]
Complete list of historical versions of study NCT00528788 on ClinicalTrials.gov Archive Site
Not Provided
Not Provided
Not Provided
Not Provided
 
How Vitamin D Analogues Affect Endothelial Cells in Patients on Dialysis
Effect of Doxercalciferol on Endothelial Cell Function in End Stage Renal Disease

Patients with chronic kidney disease and end stage renal disease have greater cardiovascular risk than the general population. Vitamin D analogues have been shown in observational studies to have mortality benefit for these patients. This study is designed to investigate doxercalciferol's effect on the vasculature (i.e. endothelial cell function) as a possible mechanism to explain the mortality benefit.

Not Provided
Interventional
Phase 4
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
  • Hyperparathyroidism, Secondary
  • Kidney Failure, Chronic
  • Endothelial Cells
  • Vitamin D
Drug: doxercalciferol
Please contact PI.
Experimental: Pre-post comparison
ESRD: all patients with secondary hyperparathyroidism who are vitamin D naive
Intervention: Drug: doxercalciferol
Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
20
August 2012
August 2012   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • Stage 5 Chronic Kidney Disease
  • Hyperparathyroidism (PTH>300) requiring vitamin D therapy
  • Age 18-80 years old
  • Ability to provide informed consent

Exclusion Criteria:

  • Subjects with neovascularization present, such as neoplasm, active wounds or significant retinopathy
  • Subjects with contraindications or allergy to vitamin D
  • Subjects currently on vitamin D therapy or a history of vitamin D therapy in the previous 60 days
  • Serum phosphorus > 6
  • Serum calcium > 10.5
  • contraindications to nitroglycerin (such as being on sildenafil)
Both
18 Years to 80 Years
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00528788
pro00001559
Yes
Duke University
Duke University
Genzyme
Principal Investigator: Jula Inrig, MD, MHS University Texas-Southwestern
Principal Investigator: Lynda Szczech, MD Duke University
Duke University
August 2012

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP