Provenge is an investigational product designed to activate a man's own antigen presenting cells, a type of immune cell, so that they can detect prostate cancer cells and initiate an immune response against them. Having completed Phase 1 and Phase 2 clinical trials, Provenge is now at the Phase 3 level. One important Phase 3 trial of Provenge has been completed; the current trial is also a Phase 3 study. If you decide to participate and are eligible, you will be enrolled in the study and randomly assigned to receive either active product or placebo. There are two chances in three that you will receive Provenge. After receiving treatment, you will be monitored at regular intervals until the study endpoints are met. At the end of the trial, men who received placebo will have the opportunity to be treated with active product in another study.
The trial is being conducted at multiple study centers throughout the United States. The trial is a double-blind, placebo-controlled trial. Participants must meet specific eligibility criteria. Study personnel will determine your eligibility in a telephone interview and through routine medical tests (physical exam, blood tests, imaging scans) done at a study center. If you qualify for and decide to participate in the trial, you will have three product administrations over the course of one month.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
512
Each dose of sipuleucel-T contains a minimum of 50 million autologous CD54+ cells activated with a PAP-GM-CSF. A course of therapy consists of 3 complete doses given at approximately 2-week intervals.
Each dose of APC-Placebo contains approximately one-third of the quiescent APCs prepared from a single leukapheresis procedure. A course of therapy consists of 3 complete doses given at approximately 2-week intervals.
South Orange County Urological
Laguna Hills, California, United States
LLUMC for Molecular Biology and Gene Therapy
Loma Linda, California, United States
USC Keck School of Medicine
Los Angeles, California, United States
UCLA
Los Angeles, California, United States
Comprehensive Cancer Center
Palm Springs, California, United States
Overall Survival
Time from randomization until death due to any cause.
Time frame: Event-driven timeframe. Final analysis at 331 events.
Time to Objective Disease Progression
Measured by imaging studies; confirmed by independent imaging review
Time frame: Analysis conducted at the time of overall survival analysis
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Sutter Cancer Center
Sacramento, California, United States
Kaiser Permanente Medical Group
San Diego, California, United States
Sharp HealthCare
San Diego, California, United States
UCSF Cancer Center
San Francisco, California, United States
Rocky Mountain Cancer Center
Denver, Colorado, United States
...and 61 more locations