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NCT00855647 · ClinicalTrials.gov registry record · Phase 2
Hypofractionated Radiotherapy for Localized Prostate Cancer (With CyberKnife or With IMRT)
A Phase 2 study, sponsored by Stanford University.
- Completed
- Registry status
- Phase 2
- Development phase
- 99,999
- Enrollment target
NCT00855647: Completed Phase 2 study, sponsored by Stanford University.
NCT00855647 is a Phase 2 study that has completed, run by Stanford University. The registered enrollment target is 99,999 participants, above the 130-participant average among 30,622 other Phase 2 trials with a reported enrollment target (76822% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00855647, a Phase 2 study, has completed, sponsored by Stanford University.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 99,999 participants
- Enrollment target
Study Summary
To demonstrate that a hypo-fractionated course of radiotherapy (ie. an accelerated radiotherapy course where fewer but larger doses of radiotherapy are given) is both safe and effective in the treatment of low-risk localized prostate cancer.
Interventions
- PROCEDURE Hypo-fractionated Radiotherapy
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 99,999 participants |
| Start Date | 2003-08 |
| Est. Completion | 2009-07 |
| Phase | Phase 2 |
What the finished NCT00855647 record still lists
NCT00855647 is an interventional study that assigns participants to a tested intervention. Its 99,999 participants enrollment target places it among the larger protocols in the corpus, above the 130-participant average among 30,622 other Phase 2 trials with a reported enrollment target (76822% higher).
The record links to 0 conditions, and to 1 intervention - of which Hypo-fractionated Radiotherapy is the first listed.
NCT00855647 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00855647 about?
NCT00855647 is a clinical study titled "Hypofractionated Radiotherapy for Localized Prostate Cancer (With CyberKnife or With IMRT)". To demonstrate that a hypo-fractionated course of radiotherapy (ie. an accelerated radiotherapy course where fewer but larger doses of radiotherapy are given) is both safe and effective in the treatment of low-risk localized prostate cancer.
What is the current status of trial NCT00855647?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 99,999 participants. The study started on 2003-08. Estimated completion is 2009-07.
What interventions are being tested in trial NCT00855647?
The interventions under investigation include: Hypo-fractionated Radiotherapy (PROCEDURE).
Who is sponsoring clinical trial NCT00855647?
This trial is sponsored by Stanford University, which has 1,744 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00855647's enrollment target sits among peer trials
99,999 1st of 2000 higher than 2,000 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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