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Clinical trialNCT00494546CompletedPhase 3Interventional

High Versus Low Dose Supplemental External Radiation With Pd-103 for Prostate Cancer

SponsorVA Puget Sound Health Care SystemEnrollment568Prostate Cancer
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Objective: The objective of this study is test the hypothesis that delivering a higher percentage of the radiation dose as external radiation versus implant will lead to higher tumor control rates. Research design A total of 600 patients with AJC clinical stage T1-T2 prostatic carcinoma (Gleason grade 7 to 10 and/or PSA 10 to 20 ng/ml) will be randomized to treatment with 44 Gy versus 20 Gy external radiation plus a Pd-103 implant boost (90 Gy versus 105 Gy, respectively).
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Va Puget Sound

    Seattle, Washington, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Jan 1999
Primary completion
—
Completion
30 Jun 2007
Last update posted
29 Jun 2007
Registered enrollment
568
Registry id
NCT00494546
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.