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Completed Phase 4 Interventional Results available

Prostate Cancer Study In Men Who Have Failed First-Line Androgen Deprivation Therapy

ClinicalTrials.gov ID: NCT00470834

Public ClinicalTrials.gov record NCT00470834. 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 Oct 17, 2026, 9:54 PM EDT

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

Official title

A Randomized Double-Blind Parallel Group Study Comparing Casodex (or Generic Equivalent) 50mg Plus Placebo to Casodex (or Generic Equivalent) 50mg Plus Dutasteride 3.5mg Administered for 18 Months to Men With Prostate Cancer Who Have Failed First-Line Androgen Deprivation Therapy (Assessed by Rising PSA) Followed by a Two-Year Extension Phase

Brief summary

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

Dutasteride inhibits the conversion of testosterone to dihydrotestosterone (DHT) the male hormone that leads to benign prostate growth. By blocking the conversion of testosterone to DHT, dutasteride could allow bicalutamide to be a more effective anti-androgen thus prolonging bicalutamide's efficacy.

Study identification

NCT ID
NCT00470834
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
127 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
40 Years to 90 Years
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
May 2007 (Type not available)
Primary completion
Feb 2013 (Actual)
Completion
Feb 2013 (Actual)
Last update posted
Feb 27, 2017

2007 – 2013

United States locations

U.S. sites
47
U.S. states
26
U.S. cities
46
Facility City State ZIP Site status
GSK Investigational Site Homewood Alabama 35209 —
GSK Investigational Site Huntsville Alabama 35801 —
GSK Investigational Site Little Rock Arkansas 72205 —
GSK Investigational Site Anaheim California 92801 —
GSK Investigational Site Fresno California 93720 —
GSK Investigational Site San Bernardino California 92404 —
GSK Investigational Site San Diego California 92101 —
GSK Investigational Site Denver Colorado 80211 —
GSK Investigational Site Washington D.C. District of Columbia 20307 —
GSK Investigational Site Aventura Florida 33180 —
GSK Investigational Site Daytona Beach Florida 32114 —
GSK Investigational Site Orlando Florida 32803 —
GSK Investigational Site Galesburg Illinois 61401 —
GSK Investigational Site Evansville Indiana 47713 —
GSK Investigational Site Fort Wayne Indiana 46825 —
GSK Investigational Site Jeffersonville Indiana 47130 —
GSK Investigational Site Overland Park Kansas 66211 —
GSK Investigational Site New Orleans Louisiana 70112 —
GSK Investigational Site Shreveport Louisiana 71106 —
GSK Investigational Site Annapolis Maryland 21401 —
GSK Investigational Site Watertown Massachusetts 02472 —
GSK Investigational Site Chaska Minnesota 55318 —
GSK Investigational Site Minneapolis Minnesota 55455 —
GSK Investigational Site St Louis Missouri 63136 —
GSK Investigational Site Omaha Nebraska 68114 —
GSK Investigational Site Las Vegas Nevada 89148 —
GSK Investigational Site Albany New York 12208 —
GSK Investigational Site Garden City New York 11530 —
GSK Investigational Site Manhasset New York 11030 —
GSK Investigational Site New York New York 10016 —
GSK Investigational Site Syracuse New York 13210 —
GSK Investigational Site Concord North Carolina 28025 —
GSK Investigational Site Columbus Ohio 43214 —
GSK Investigational Site Bala-Cynwyd Pennsylvania 19004 —
GSK Investigational Site Lancaster Pennsylvania 17604 —
GSK Investigational Site Philadelphia Pennsylvania 19107 —
GSK Investigational Site Myrtle Beach South Carolina 29572 —
GSK Investigational Site Memphis Tennessee 38119 —
GSK Investigational Site Houston Texas 77074 —
GSK Investigational Site San Antonio Texas 78229 —
GSK Investigational Site Norfork Virginia 23502 —
GSK Investigational Site Richmond Virginia 23235 —
GSK Investigational Site Virginia Beach Virginia 23454 —
GSK Investigational Site Williamsburg Virginia 23185 —
GSK Investigational Site Seattle Washington 98166 —
GSK Investigational Site Seattle Washington 98195-6015 —
GSK Investigational Site Milwaukee Wisconsin 53226 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 15 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00470834, 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 Feb 27, 2017 · Synced Oct 17, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00470834 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →