Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT01045109 · ClinicalTrials.gov registry record · Phase 2
Vitamin D3 Supplementation in Participants Diagnosed With Early-Stage Prostate Cancer Who Decide to Undergo Active Surveillance Treatment Regimen.
A Phase 2 study, sponsored by Medical University of South Carolina.
- Completed
- Registry status
- Phase 2
- Development phase
- 52
- Enrollment target
NCT01045109: Completed Phase 2 study, sponsored by Medical University of South Carolina.
NCT01045109 is a Phase 2 study that has completed, run by Medical University of South Carolina. The registered enrollment target is 52 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (61% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01045109, a Phase 2 study, has completed, sponsored by Medical University of South Carolina.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 52 participants
- Enrollment target
Study Summary
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.
Interventions
- DIETARY_SUPPLEMENT cholecalciferol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 52 participants |
| Start Date | 2007-10 |
| Est. Completion | 2011-07 |
| Phase | Phase 2 |
What the finished NCT01045109 record still lists
NCT01045109 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 52 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (61% lower).
The record links to 0 conditions, and to 1 intervention - of which cholecalciferol is the first listed.
NCT01045109 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01045109 about?
NCT01045109 is a clinical study titled "Vitamin D3 Supplementation in Participants Diagnosed With Early-Stage Prostate Cancer Who Decide to Undergo Active Surveillance Treatment Regimen.". 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), w...
What is the current status of trial NCT01045109?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 52 participants. The study started on 2007-10. Estimated completion is 2011-07.
What interventions are being tested in trial NCT01045109?
The interventions under investigation include: cholecalciferol (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT01045109?
This trial is sponsored by Medical University of South Carolina, which has 755 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01045109's enrollment target sits among peer trials
52 1181st of 2000 higher than 811 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT02630121 · 52 participants · Phase 4
Effect of Oxymetazoline Hydrochloride in Combination With Fluticasone Propionate on the Apnea Hypopnea Index (AHI) in Subject With Persistent Nasal Congestion and Mild Obstructive Sleep Apnea
- NCT03629171 · 52 participants · Phase 2
Liposome-encapsulated Daunorubicin-Cytarabine and Venetoclax in Treating Participants With Relapsed, Refractory or Untreated Acute Myeloid Leukemia
- NCT04128748 · 52 participants · Phase 1
Liposomal Cytarabine and Daunorubicin (CPX-351) and Quizartinib for the Treatment of Acute Myeloid Leukemia and High Risk Myelodysplastic Syndrome
- NCT04150497 · 52 participants · Phase 1
Phase 1/2 Study of UCART22 in Patients With Relapsed or Refractory CD22+ B-cell Acute Lymphoblastic Leukemia (BALLI-01)
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia