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S9916, Combination Therapy in Treating Patients With Advanced Prostate Cancer That Has Not Responded to Hormone Therapy

Phase 3
Completed
Conditions
Prostate Cancer
Interventions
Registration Number
NCT00004001
Lead Sponsor
SWOG Cancer Research Network
Brief Summary

RATIONALE: Drugs used in chemotherapy and hormone therapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug and giving drugs in different ways may kill more tumor cells. It is not yet known whether estramustine plus docetaxel is more effective than mitoxantrone plus prednisone for prostate cancer.

PURPOSE: Randomized phase III trial to compare the effectiveness of estramustine plus docetaxel with that of mitoxantrone plus prednisone in treating patients who have stage IV prostate cancer that has not responded to hormone therapy.

Detailed Description

OBJECTIVES:

* Compare the overall survival and progression-free survival in patients with hormone-refractory, metastatic adenocarcinoma of the prostate treated with docetaxel and estramustine vs mitoxantrone and prednisone.

* Compare the qualitative and quantitative toxic effects of these regimens in this patient population.

* Compare the quality of life, including palliation of metastatic bone pain and global quality of life, of patients treated with these regimens.

* Record prostate-specific antigen values for future correlations with response and survival in patients treated with these regimens.

* Compare the responses in patients with bidimensionally measurable disease treated with these regimens.

OUTLINE: This is a randomized, multicenter study. Patients are stratified according to disease status (measurable or evaluable disease progression vs rising PSA only), NCI Common Toxicity Criteria version 2.X pain scale (grade 2 or greater vs less than 2), and SWOG performance status (0-1 vs 2-3). Patients are randomized to one of two treatment arms.

* Arm I: Patients receive oral estramustine 3 times daily on days 1-5 and docetaxel IV over 1 hour on day 2.

* Arm II: Patients receive mitoxantrone IV over 30 minutes on day 1 and oral prednisone twice daily on days 1-21.

Treatment in both arms repeats every 3 weeks for a maximum of 12 courses in the absence of unacceptable toxicity or disease progression.

Quality of life is assessed at baseline, after courses 4 and 8, and then at 1 year after randomization.

Patients are followed every 6 months for 2 years and then annually for 1 year.

PROJECTED ACCRUAL: A total of 620 patients (310 per arm) will be accrued for this study within 3.5 years.

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
770
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Docetaxel and EstramustinedocetaxelEstramustine, 280 mg, PO, TID, Days 1-5; q 21 days Docetaxel, 60mg/m2, IV, Day 2; q 21 days
Docetaxel and EstramustineestramustineEstramustine, 280 mg, PO, TID, Days 1-5; q 21 days Docetaxel, 60mg/m2, IV, Day 2; q 21 days
Mitoxantrone and PrednisonemitoxantroneMitoxantrone, 12 mg/m2, IV, Day 1; q 21 days Prednisone, 5 mg, PO, BID, Days 1-21; q 21 days
Mitoxantrone and PrednisoneprednisoneMitoxantrone, 12 mg/m2, IV, Day 1; q 21 days Prednisone, 5 mg, PO, BID, Days 1-21; q 21 days
Primary Outcome Measures
NameTimeMethod
Compare overall survival in the two study armsup to 4 years

Measured from date of registration to date of death due to any cause

Secondary Outcome Measures
NameTimeMethod
Compare progression-free survival between two study armsup to 4 years

Measured from date of registration to date of first observation of progression disease, or death due to any cause

Compare Prostate-Specific Antigen (PSA) response between two study armsup to 4 years or time of disease progression

A confirmed partial response of non-measurable disease was defined as a reduction by more than 50% over baseline in two or more Prostate-Specific Antigen (PSA) measurements obtained at least four weeks apart, with no evidence of disease progression on imaging. Progressive disease was defined as a 25% increase in the serum PSA level - to at least 5 ng per milliliter - over the last preregistration measurement, with confirmation of the increase at least four weeks later. For patients with a decrease in serum PSA levels during the trial, progressive disease was defined as a confirmed increase of 25%, to at least 5 ng per milliliter over the nadir.

Compare objective responses between two study armsup to 12 cycles of treatment ( 1cycle = 21 days)

Objective responses were defined on the basis of the sum of bi-dimensional measurements of metastatic lesions. Confirmed objective responses required a follow-up scan (a minimum of four weeks later) that demonstrated a continued response. Progression was defined by one of the following: a 50 percent increase or an increase of 10 cm\^2, whichever was smaller, in the sum of measurements of metastatic lesions over the sum at baseline; a clear worsening of nonmeasurable disease; reappearance of any lesion that had disappeared; appearance of any new lesion; or death.

Compare toxicities between the two study armsup to 12 cycles of treatment (1 cycle = 21 days)

Trial Locations

Locations (16)

CCOP - Cedar Rapids Oncology Project

🇺🇸

Cedar Rapids, Iowa, United States

Mayo Clinic

🇺🇸

Jacksonville, Florida, United States

CCOP - Iowa Oncology Research Association

🇺🇸

Des Moines, Iowa, United States

CCOP - Scottsdale Oncology Program

🇺🇸

Scottsdale, Arizona, United States

CCOP - Illinois Oncology Research Association

🇺🇸

Peoria, Illinois, United States

CCOP - Carle Cancer Center

🇺🇸

Urbana, Illinois, United States

Altru Health System

🇺🇸

Grand Forks, North Dakota, United States

Siouxland Hematology-Oncology

🇺🇸

Sioux City, Iowa, United States

CCOP - Geisinger Clinic and Medical Center

🇺🇸

Danville, Pennsylvania, United States

CentraCare Health Plaza

🇺🇸

Saint Cloud, Minnesota, United States

CCOP - Merit Care Hospital

🇺🇸

Fargo, North Dakota, United States

Mayo Clinic Cancer Center

🇺🇸

Rochester, Minnesota, United States

Medcenter One Health System

🇺🇸

Bismarck, North Dakota, United States

Rapid City Regional Hospital

🇺🇸

Rapid City, South Dakota, United States

CCOP - Missouri Valley Cancer Consortium

🇺🇸

Omaha, Nebraska, United States

CCOP - Sioux Community Cancer Consortium

🇺🇸

Sioux Falls, South Dakota, United States

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