- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01981122
A Study of Sipuleucel-T With Administration of Enzalutamide in Men With Metastatic Castrate-Resistant Prostate Cancer
September 25, 2018 updated by: Dendreon
A Randomized, Open-label, Phase 2 Study of Sipuleucel-T With Concurrent Versus Sequential Administration of Enzalutamide in Men With Metastatic Castrate-Resistant Prostate Cancer
This is a randomized, open-label study designed to assess the effects of sipuleucel-T when administered concurrently or sequentially with enzalutamide.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
This is a randomized, open-label study designed to assess the effects of sipuleucel-T when administered concurrently or sequentially with enzalutamide.
This study consists of 3 phases.
The screening phase will begin at the completion of the informed consent process and continue through registration.
The active phase will begin at registration and continue through the post-treatment visit (30 to 37 days following the last study treatment).
The long term follow-up (LTFU) phase will begin after the post-treatment visit and will continue until the subject's death or until Dendreon terminates the study.
Study Type
Interventional
Enrollment (Actual)
52
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Arizona
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Tucson, Arizona, United States, 85741
- Urological Associates of Southern Arizona, P.C.
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California
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Los Angeles, California, United States, 90033
- USC/Norris Comprehensive Cancer Center
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Colorado
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Denver, Colorado, United States, 80211
- The Urology Center of Colorado
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Connecticut
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New Haven, Connecticut, United States, 06520
- Yale University School Of Medicine
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Florida
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Tampa, Florida, United States, 33612
- H. Lee Moffitt Cancer and Research Center
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Illinois
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Melrose Park, Illinois, United States, 60160
- Uro Partners/ RMD Clinical Research
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Indiana
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Fort Wayne, Indiana, United States, 46804, 46845
- Fort Wayne Medical Oncology and Hematology, Lutheran Hospital, Parkview Regional Medical Center
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Maryland
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Baltimore, Maryland, United States, 21231
- Johns Hopkins Medicine - Sidney Kimmel Comprehensive Cancer Center
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Nebraska
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Omaha, Nebraska, United States, 68130
- GU Research Network
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New York
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East Setauket, New York, United States, 11733
- North Shore Hematology/Oncology Associates, P.C.
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Syracuse, New York, United States, 13210
- Associated Medical Professionals of New York, PLLC
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North Carolina
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Raleigh, North Carolina, United States, 27607
- Raleigh Hematology Oncology Associates, D.B.A. Cancer Centers of North Carolina
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Ohio
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Cleveland, Ohio, United States, 44195
- Cleveland Clinic - Taussig Cancer Institute
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19107
- Thomas Jefferson University
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South Carolina
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Myrtle Beach, South Carolina, United States, 29572
- Carolina Urologic Research Center
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Tennessee
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Nashville, Tennessee, United States, 37209
- Urology Associates, PC
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Virginia
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Virginia Beach, Virginia, United States, 23462
- Urology of Virginia
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Washington
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Seattle, Washington, United States, 98101
- Virginia Mason Medical Center, Virginia Mason Hospital
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Tacoma, Washington, United States, 98405
- Northwest Medical Specialties, Rainier Physicians
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Male
Description
Inclusion Criteria:
- Written informed consent provided prior to the initiation of study procedures.
- Age ≥ 18 years.
- Histologically documented adenocarcinoma prostate cancer confirmed by a pathology report from prostate biopsy or a radical prostatectomy specimen.
- Metastatic disease as evidenced by bone metastasis or lymph node metastasis.
Castrate-resistant prostate cancer as demonstrated by one of the following:
- Prostate specific antigen progression.
- Progression of measurable disease.
- Progression of non-measurable disease by soft tissue disease or bone disease.
- Castration levels of testosterone (≤ 50 ng/dL) achieved via medical or surgical castration.
- Serum PSA (Prostate specific antigen) ≥ 2.0 ng/mL.
- Screening ECOG (The Eastern Cooperative Oncology Group )performance status ≤ 1
- Adequate screening hematologic, renal, and liver function as evidenced by laboratory test results obtained ≤ 28 days prior to registration.
- Negative serology test for human immunodeficiency virus 1 and 2.
- Resides within driving distance (round trip within 1 day) of the clinical trial site for the duration of the active phase.
Exclusion Criteria:
- The presence of known lung, liver, or brain metastases, malignant pleural effusions, or malignant ascites.
- Spinal cord compression, imminent long bone fracture, or any other condition that is likely to require radiation therapy and/or steroids for pain control during the active phase.
- History of stage 3 or greater cancer, excluding prostate cancer. Basal or squamous cell skin cancers must have been adequately treated and the subject must be disease free at the time of registration. Subjects with a history of stage 1 or 2 cancer must have been adequately treated and been disease free for ≥ 3 years at the time of registration.
- History of seizures or of predisposing factors for seizures.
- Child-Pugh Class C hepatic insufficiency.
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to sipuleucel-T, GM-CSF or granulocyte colony stimulating factor (G-CSF).
- Previous treatment with sipuleucel-T or enrollment in a sipuleucel-T trial, regardless of whether the subject received sipuleucel-T or control.
- Previous treatment with enzalutamide.
- Previous treatment with abiraterone acetate.
- Previous treatment with ipilimumab.
- Previous treatment with ketoconazole other than topical use or for treatment of infections (e.g., oral thrush); most recent use must have been ≥ 7 days prior to registration.
- Previous treatment with any immunotherapy or investigational vaccine.
- A requirement for ongoing systemic immunosuppressive therapy. Use of inhaled, intranasal, intra-articular, and topical steroids is allowed. Oral or IV steroids to prevent or treat IV contrast reactions are allowed.
- Previous treatment with chemotherapy for mCRPC, or chemotherapy for any reason ≤ 2 years prior to registration.
- Use of concomitant medications that may lower the seizure threshold or the use of antiseizure medications ≤ 1 year prior to registration.
- Received GM-CSF or G-CSF ≤ 90 days prior to registration.
- Ongoing non-steroidal antiandrogen withdrawal response.
Any of the following medications or interventions ≤ 28 days prior to registration:
- Radiation therapy, either via external beam or brachytherapy.
- Any systemic steroid. Use of inhaled, intra-nasal, intra-articular, and topical steroids is allowed. Oral or IV steroids to prevent or treat IV contrast reactions are allowed.
- Any systemic therapy for prostate cancer, except for ADT (Androgen deprivation therapy).
- Any investigational product for prostate cancer.
- Major surgery requiring general anesthesia, with the exception of placement of central venous catheters.
- Inducers and inhibitors of cytochrome P450 (CYP) enzyme CYP2C8 (gemfibrozil and rifampin).
- Medications that are metabolized by CYP3A4, CYP2C9, or CYP2C19 that have a narrow therapeutic index.
- Inducers of CYP3A4 (including but not limited to phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, and phenobarbital).
- A requirement for treatment with opioid analgesics for cancer-related pain ≤ 21 days prior to registration.
- An active infection requiring parenteral antibiotic therapy or causing fever (temperature > 100.5˚ F or 38.1˚ C) ≤ 1 week prior to registration.
- Any medical intervention, any other condition, or any other circumstance which could compromise adherence with study requirements or otherwise compromise the study's objectives.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: BASIC_SCIENCE
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Concurrent Arm
Subjects will receive sipuleucel-T concurrently with enzalutamide (160 mg orally once daily).
Enzalutamide treatment will start 2 weeks prior to the first leukapheresis and continue for 52 weeks or until disease progression or unacceptable toxicity, whichever occurs first.
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Sipuleucel-T is an autologous cell product consisting of antigen presenting cells (APCs) loaded with PA2024, a recombinant fusion protein composed of prostatic acid phosphatase (PAP), linked to granulocyte-macrophage colony-stimulating factor (GM-CSF).
Other Names:
Enzalutamide is an androgen receptor inhibitor.
It is indicated for the treatment of patients with mCRPC who have previously received docetaxel.
The enzalutamide dose used in this study will be 160 mg orally once daily.
Other Names:
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EXPERIMENTAL: Sequential Arm
Subjects will receive sipuleucel-T followed by enzalutamide (160 mg orally once daily).
Enzalutamide treatment will start approximately 10 weeks after the first infusion of sipuleucel-T and continue for 52 weeks or until disease progression or unacceptable toxicity, whichever occurs first.
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Sipuleucel-T is an autologous cell product consisting of antigen presenting cells (APCs) loaded with PA2024, a recombinant fusion protein composed of prostatic acid phosphatase (PAP), linked to granulocyte-macrophage colony-stimulating factor (GM-CSF).
Other Names:
Enzalutamide is an androgen receptor inhibitor.
It is indicated for the treatment of patients with mCRPC who have previously received docetaxel.
The enzalutamide dose used in this study will be 160 mg orally once daily.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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To Evaluate Peripheral PA2024-specific T Cell Proliferation Response to Sipuleucel-T Over Time Via a T Cell Stimulation Index (SI).
Time Frame: Each patient was followed for up to 52 weeks after the first dose of sipuleucel-T. Immune sample draws during the treatment period (Week 0 through Week 4) were to be performed at the patient's pre-leukapheresis visits (Pre-Leuk 2 and Pre-Leuk 3).
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PA2024-specific T cell proliferation responses over time will be compared between the concurrent arm and sequential arm using a repeated measurement mixed model analysis.
The unit of analysis for the T cell proliferation data is the stimulation index, defined as the median 3H uptake of 3 wells exposed to antigen divided by the median 3H thymidine uptake of 3 wells exposed to media.
The stimulation index will be log-transformed prior to analysis.
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Each patient was followed for up to 52 weeks after the first dose of sipuleucel-T. Immune sample draws during the treatment period (Week 0 through Week 4) were to be performed at the patient's pre-leukapheresis visits (Pre-Leuk 2 and Pre-Leuk 3).
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Bruce Brown, MD, Dendreon Pharmaceuticals LLC,
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ACTUAL)
September 1, 2013
Primary Completion (ACTUAL)
June 30, 2017
Study Completion (ACTUAL)
June 30, 2017
Study Registration Dates
First Submitted
October 29, 2013
First Submitted That Met QC Criteria
November 5, 2013
First Posted (ESTIMATE)
November 11, 2013
Study Record Updates
Last Update Posted (ACTUAL)
October 24, 2018
Last Update Submitted That Met QC Criteria
September 25, 2018
Last Verified
September 1, 2018
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- P12-2
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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DendreonCompletedProstate CancerUnited States
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DendreonCompletedHormone-Refractory Prostate Cancer