Vitamin D3 Supplementation in Participants Diagnosed With Early-Stage Prostate Cancer Who Decide to Undergo Active Surveillance Treatment Regimen. (D3/PCa)

This study has been completed.
Sponsor:
Information provided by:
Medical University of South Carolina
ClinicalTrials.gov Identifier:
NCT01045109
First received: January 2, 2008
Last updated: August 4, 2011
Last verified: August 2010

January 2, 2008
August 4, 2011
October 2007
July 2011   (final data collection date for primary outcome measure)
Effect of vitamin D3 supplementation on prostate specific antigen levels in patients diagnosed with early stage, low-grade, low-risk prostate cancer. [ Time Frame: 48 weeks ] [ Designated as safety issue: Yes ]
Same as current
Complete list of historical versions of study NCT01045109 on ClinicalTrials.gov Archive Site
Safety of subjects (determined by safety lab values every 8 weeks: serum Creatinine, Ca, Phosphorus, PTH, vit D3; CBC with differential; and urine Ca/Creat ratio) taking vitamin D3 supplementation (4,000 I.U.) daily. [ Time Frame: 48 weeks ] [ Designated as safety issue: Yes ]
Same as current
Not Provided
Not Provided
 
Vitamin D3 Supplementation in Participants Diagnosed With Early-Stage Prostate Cancer Who Decide to Undergo Active Surveillance Treatment Regimen.
Vitamin D and Prostate Cancer

This clinical trial is aimed at measuring the effect of vitamin D3 supplementation on serum prostate-specific antigen (PSA) levels in patients diagnosed with early stage, low-grade, low-risk prostate cancer (Gleason score less than/equal to 6; PSA less than/equal to 10; clinical stage T1C or T2a), who elect to have their disease monitored through active surveillance for at least one year.

Not Provided
Interventional
Phase 2
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Prostate Cancer
  • Dietary Supplement: cholecalciferol
    4,000 I.U. softgel daily orally for 48 weeks
    Other Names:
    • vitamin D3
    • cholecalciferol
  • Dietary Supplement: cholecalciferol
    cholecalciferol or vitamin D3 4,000 IU daily for 48 weeks
    Other Names:
    • cholecalciferol
    • vitamin D3
Experimental: open-label vitamin D3
One arm: open-label receiving vitamin D3 4,000 IU daily
Interventions:
  • Dietary Supplement: cholecalciferol
  • Dietary Supplement: cholecalciferol
Garrett-Mayer E, Wagner CL, Hollis BW, Kindy MS, Gattoni-Celli S. Vitamin D3 supplementation (4000 IU/d for 1 y) eliminates differences in circulating 25-hydroxyvitamin D between African American and white men. Am J Clin Nutr. 2012 Aug;96(2):332-6. Epub 2012 Jul 3.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
52
July 2011
July 2011   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • lowgrade prostate cancer
  • serum PSA less than/equal to 10 ng/ml
  • Gleason score less than/equal to 6
  • referred from their treating physician with treatment plan of active surveillance for one year
  • serum creatinine less than/equal to 2.0 mg/dL
  • serum phosphate (measured as phosphorus)greater than 2.3 and less than 4.8 mg/dL
  • serum calcium greater than 8.5 and less than 10.5 mg/dL

Exclusion Criteria:

  • concurrent malignancy, except non-melanoma skin cancer
  • history of sarcoidosis
  • history of high dose (greater than 1,000 IU daily) vitamin D3 supplementation
  • history of hypercalcemia
  • treatment with lithium medication
Male
18 Years to 90 Years
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT01045109
CTRF #P-06-068, CTO# 101121, MUSC HR# 17398, MUSC CTRC #790
Yes
Sebastiano Gattoni-Celli, M.D., MUSC Department of Radiation Oncology
Medical University of South Carolina
Not Provided
Principal Investigator: Sebastiano Gattoni-Celli, MD MUSC Department of Radiation Oncology
Medical University of South Carolina
August 2010

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