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NCT00004043 · ClinicalTrials.gov registry record · Phase 2
Calcitriol in Treating Patients With a Rising PSA Level Following Treatment for Prostate Cancer
A Phase 2 study, sponsored by OHSU Knight Cancer Institute.
- Completed
- Registry status
- Phase 2
- Development phase
- 25
- Enrollment target
NCT00004043: Completed Phase 2 study, sponsored by OHSU Knight Cancer Institute.
NCT00004043 is a Phase 2 study that has completed, run by OHSU Knight Cancer Institute. The registered enrollment target is 25 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (81% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00004043, a Phase 2 study, has completed, sponsored by OHSU Knight Cancer Institute.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 25 participants
- Enrollment target
Study Summary
RATIONALE: Calcitriol, a form of vitamin D, may be able to prevent or slow the growth of prostate cancer cells. PURPOSE: Phase II trial to study the effectiveness of calcitriol in treating patients who have a rising PSA level following previous treatment for prostate cancer.
Interventions
- DIETARY_SUPPLEMENT calcitriol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 25 participants |
| Start Date | 1999-02 |
| Est. Completion | 2003-03 |
| Phase | Phase 2 |
What the finished NCT00004043 record still lists
NCT00004043 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 25 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (81% lower).
The record links to 0 conditions, and to 1 intervention - of which calcitriol is the first listed.
NCT00004043 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00004043 about?
NCT00004043 is a clinical study titled "Calcitriol in Treating Patients With a Rising PSA Level Following Treatment for Prostate Cancer". RATIONALE: Calcitriol, a form of vitamin D, may be able to prevent or slow the growth of prostate cancer cells. PURPOSE: Phase II trial to study the effectiveness of calcitriol in treating patients who have a rising PSA level following previous treatment for prostate cancer.
What is the current status of trial NCT00004043?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 25 participants. The study started on 1999-02. Estimated completion is 2003-03.
What interventions are being tested in trial NCT00004043?
The interventions under investigation include: calcitriol (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00004043?
This trial is sponsored by OHSU Knight Cancer Institute, which has 211 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00004043's enrollment target sits among peer trials
25 1719th of 2000 higher than 245 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
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