Prostate Cancer Clinical Trial
Official title:
A Phase 1 Dose Escalation Trial of Ipilimumab in Combination With CG1940 and CG8711 in Patients With Metastatic Hormone-Refractory Prostate Cancer
Ipilimumab, an antibody that blocks cytotoxic T-lymphocyte antigen 4, and GVAX have demonstrated anti-tumor activity in prostate cancer. Pre-clinical studies with this combination have demonstrated potent synergy. The purpose of this study is to investigate, using a phase-I 3+3 dose escalation design followed by an expansion cohort, the safety and efficacy of combined treatment with GVAX and ipilimumab in castration-resistant metastatic prostate cancer (CRPC) patients.
Status | Terminated |
Enrollment | 28 |
Est. completion date | November 2011 |
Est. primary completion date | December 2007 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | 18 Years to 80 Years |
Eligibility |
Inclusion Criteria: - Males age 18-80 years - Histologic diagnosis of adenocarcinoma of the prostate - Metastatic prostate cancer deemed to be unresponsive or refractory to hormone therapy - Detectable metastases by bone scan, CT scan or MRI - Two consecutive rising PSA values obtained at least two weeks apart and both obtained at least 4-6 weeks after discontinuation of hormone therapy. Second PSA value must be > 5.0 ng/mL. LHRH agonist should not be discontinued. - Testosterone < 50 ng/dL. Must have had orchiectomy or is currently receiving an LHRH agonist. - WBC > 3.0 x 109/L, ANC > 1.5 x 109/L, hemoglobin > 6.2 mmol/L, and platelets > 100 x 109/L - Serum creatinine < 177 umol/L Bilirubin < 1.5 times the upper limit of normal AST < 3 times the upper limit of normal - ECOG performance status 0-2 - Life expectancy of at least 6 months - If sexually active, willing to use barrier contraception during the treatment phase of the protocol - The ability to understand and willingness to sign a written informed consent Exclusion Criteria: - Transitional cell, small cell, neuroendocrine, or squamous cell prostate cancer - Bone pain severe enough to require routine narcotic analgesia use - Clinical evidence of brain metastases or history of brain metastases - Seropositive for HIV, Hepatitis B antigen positive and/or Hepatitis C viremic - Prior chemotherapy or immunotherapy for prostate cancer - Radiation therapy within 4 weeks of the first treatment - Surgery within 4 weeks of the first treatment. Must have recovered from all side effects. - Flutamide within 4 weeks of the first treatment Megesterol acetate (Megace), finasteride (Proscar), bicalutamide (Casodex),nilutamide, aminoglutethimide, ketoconazole or diethylstilbestrol within 6 weeks of the first treatment. - Systemic corticosteroid use within 4 weeks of the first treatment - History of autoimmune disease - History of another malignancy, except for the following: adequately treated basal cell or squamous cell skin cancer, superficial bladder cancer, adequately treated Stage I or II cancer currently in complete remission or any other cancer that has been in complete remission for at least 5 years |
Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Netherlands | VU university medical center | Amsterdam |
Lead Sponsor | Collaborator |
---|---|
VU University Medical Center | Cell Genesys, Medarex |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of patients with adverse events | 7 months | Yes | |
Secondary | number of patients that have a tumor/PSA response | 7 months | No | |
Secondary | number of patients that will develop a tumor-specific (e.g. PSMA, NY-ESO) antibody response as measured by ELISA | 7 months | No | |
Secondary | the number of patients that have activated T cells and dendritic cells as measured by FACS | 7 months | No |
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