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Completed Phase 2 Interventional

Hypofractionated Radiotherapy for Localized Prostate Cancer (With CyberKnife or With IMRT)

ClinicalTrials.gov ID: NCT00855647

Public ClinicalTrials.gov record NCT00855647. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 4, 2026, 11:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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.

Study identification

NCT ID
NCT00855647
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Stanford University
Other
Enrollment
99,999 participants

Conditions and interventions

Interventions

Procedure

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 31, 2003
Primary completion
Feb 28, 2009
Completion
Jun 30, 2009
Last update posted
Jun 2, 2010

2003 – 2009

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Stanford University School of Medicine Stanford California 94305

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00855647, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 2, 2010 · Synced Sep 4, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00855647 live on ClinicalTrials.gov.

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