Prostate Cancer Clinical Trial
Chemotherapy With or Without Biological Therapy in Treating Patients With Metastatic Prostate Cancer That Has Not Responded to Hormone Therapy
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug may kill more tumor cells. Biological therapies use different ways to stimulate the immune system and stop cancer cells from growing. It is not yet known which treatment regimen is more effective in treating metastatic prostate cancer.
PURPOSE: Randomized phase II trial to compare the effectiveness of combination chemotherapy with that of chemotherapy plus biological therapy in treating patients who have progressive or metastatic prostate cancer that has not responded to hormone therapy.
Compare the effect of estramustine, mitoxantrone, and vinorelbine vs isotretinoin, interferon alfa, and paclitaxel on PSA response in patients with metastatic hormone-refractory prostate cancer.
Determine the toxic effects of each regimen in this patient population.
Determine the effect of each regimen on pain, fatigue, and quality of life in these patients.
Determine the objective response rate among the subset of patients who have bidimensionally measurable disease to each regimen after treatment.
Determine the effect of each regimen on peripheral blood mononuclear cell BCL-2 in these patients.
OUTLINE: This is a randomized, multicenter study. Patients are stratified according to disease (measurable vs nonmeasurable and elevated PSA). Patients are randomized to one of two treatment arms.
Arm I: Patients receive vinorelbine IV over 10 minutes on days 2 and 9 followed by mitoxantrone IV over 10 minutes on day 2 only. Oral estramustine is administered every 12 hours on days 1-5. Courses repeat every 3 weeks in the absence of unacceptable toxicity, disease progression, or administration of the maximum cumulative dose of mitoxantrone.
Arm II: Patients receive oral isotretinoin and interferon alfa subcutaneously on days 1 and 2 and paclitaxel IV over 1 hour on day 2 weekly for 6 weeks. Courses repeat every 8 weeks in the absence of unacceptable toxicity or disease progression.
Quality of life is assessed at baseline, on day 2 of courses 2, 4, and 6 (arm I), on day 22 of course 1 and day 1 of courses 2 and 3 (arm II), and then at completion of treatment.
Patients are followed every 3 months for 2 years, every 6 months for 3 years, and then annually thereafter.
PROJECTED ACCRUAL: A total of 70-114 patients (35-57 per arm) will be accrued for this study within 14-23 months.
Histologically confirmed adenocarcinoma of the prostate
Evidence of progressive metastatic disease (e.g., bone, pelvic mass, lymph node, liver or lung metastases)
Radiologic evidence of hydronephrosis only does not constitute evidence of metastatic disease
Must not have an elevated serum alkaline phosphatase or PSA level as only evidence of disease
If bone metastases only (i.e., lacking soft tissue disease), must have PSA level of at least 20 ng/mL
If soft tissue metastases and/or visceral disease, must have either bidimensionally measurable disease or PSA level of at least 20 ng/mL
Must have had prior bilateral orchiectomy or other primary hormonal therapy (e.g., estrogen therapy or LHRH blocker plus flutamide) with evidence of treatment failure
No carcinomatous meningitis or brain metastases
18 and over
WBC at least 4,000/mm^3
Granulocyte count at least 2,000/mm^3
Platelet count at least 100,000/mm^3
See Disease Characteristics
Bilirubin no greater than 1.5 mg/dL
SGOT/SGPT no greater than 2 times upper limit of normal
Creatinine no greater than 2.0 mg/dL OR
Creatinine clearance at least 50 mL/min
No active angina pectoris
No New York Heart Association class III or IV heart disease
No myocardial infarction within the past 6 months
No deep venous thrombosis
LVEF at least 50% by MUGA
Fertile patients must use effective contraception during and for 1 month after study
Prior malignancy allowed provided curatively treated and disease free for appropriate time period for specific cancer
No other serious medical illness or active infection that would preclude protocol therapy
No concurrent prolonged exposure to sunlight
No concurrent alcohol consumption
PRIOR CONCURRENT THERAPY:
No prior chemotherapy, including neoadjuvant chemotherapy or single-agent estramustine
See Disease Characteristics
If no prior bilateral orchiectomy, must continue LHRH agonist therapy (e.g., depot leuprolide or goserelin)
At least 4 weeks since prior flutamide or flutamide with evidence of progressive disease
At least 6 weeks since prior bicalutamide with evidence of progressive disease
More than 4 weeks since prior radiotherapy
No prior strontium chloride Sr 89, samarium Sm 153 lexidronam pentasodium, or other radioisotope therapies
See Disease Characteristics
Recovered from all toxic effects due to prior treatment for prostate cancer
No concurrent milk, milk products, antacids, calcium-containing drugs, or any food with estramustine (arm I only)
No concurrent vitamin supplements containing vitamin A (arm II only)
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There are 19 Locations for this study
Denver Colorado, 80224, United States
Atlanta Georgia, 30322, United States
Decatur Georgia, 30033, United States
Urbana Illinois, 61801, United States
Boston Massachusetts, 02111, United States
Kalamazoo Michigan, 49007, United States
Rochester Minnesota, 55905, United States
Saint Louis Park Minnesota, 55416, United States
Hackensack New Jersey, 07601, United States
New Brunswick New Jersey, 08903, United States
Bronx New York, 10466, United States
Fargo North Dakota, 58122, United States
Cleveland Ohio, 44106, United States
Toledo Ohio, 43623, United States
Danville Pennsylvania, 17822, United States
Philadelphia Pennsylvania, 19111, United States
Sioux Falls South Dakota, 57104, United States
Green Bay Wisconsin, 54307, United States
Milwaukee Wisconsin, 53226, United States
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