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Completed Phase 3 Interventional Results available

Abiraterone Acetate in Castration-Resistant Prostate Cancer Previously Treated With Docetaxel-Based Chemotherapy

ClinicalTrials.gov ID: NCT00638690

Public ClinicalTrials.gov record NCT00638690. 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 27, 2026, 8:01 AM 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 Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Abiraterone Acetate (CB7630) Plus Prednisone in Patients With Metastatic Castration-Resistant Prostate Cancer Who Have Failed Docetaxel-Based Chemotherapy

Brief summary

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

This is a phase 3 study to compare the clinical benefit of abiraterone acetate plus prednisone with placebo plus prednisone in patients with metastatic castration-resistant prostate cancer (CRPC) who have failed one or two chemotherapy regimens. At least one of the previous chemotherapies must have contained docetaxel.

Study identification

NCT ID
NCT00638690
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Cougar Biotechnology, Inc.
Industry
Enrollment
1,195 participants

Conditions and interventions

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
May 2008 (Type not available)
Primary completion
Aug 2010 (Actual)
Completion
Oct 2012 (Actual)
Last update posted
Apr 30, 2014

2008 – 2012

United States locations

U.S. sites
54
U.S. states
30
U.S. cities
54
Facility City State ZIP Site status
Not listed Birmingham Alabama — —
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Not listed Duarte California — —
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Not listed Box 302 New York — —
Not listed East Setauket New York — —
Not listed New Hyde Park New York — —
Not listed New York New York — —
Not listed Stony Brook New York — —
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Not listed Portland Oregon — —
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Not listed Pittsburgh Pennsylvania — —
Not listed Myrtle Beach South Carolina — —
Not listed Chattanooga Tennessee — —
Not listed Nashville Tennessee — —
Not listed Dallas Texas — —
Not listed Houston Texas — —
Not listed San Antonio Texas — —
Not listed Virgiania Beach Virginia — —
Not listed Seattle Washington — —

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 73 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00638690, 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 Apr 30, 2014 · Synced Oct 27, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00638690 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →