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About
This study compares two chemotherapy regimens as adjuvant treatment for breast cancer. The study participants are randomly allocated to receive either 3 cycles of docetaxel followed by 3 cycles of CEF (cyclophosphamide, epirubicin and 5-fluorouracil) or to receive 3 cycles of docetaxel plus capecitabine followed by 3 cycles of CEX (cyclophosphamide, epirubicin and capecitabine). The study participants are required to to have a medium to high risk for breast cancer recurrence. The primary aim of the study is to investigate whether addition of capecitabine to a standard taxane/anthracycline regimen will influence recurrence-free survival.
Full description
This is an open-label, two-arm, randomized multi-center phase III trial to compare efficacy and safety of a taxane-anthracycline regimen to a taxane-anthracycline-capecitabine regimen as adjuvant treatment of early breast cancer with an intermediate-to-high risk of cancer recurrence.
Patients diagnosed with early breast cancer with an estimated risk of 25% or greater for distant recurrence within 5 years from the diagnosis will be randomly allocated to one of the following 2 arms (1:1):
Locoregional radiotherapy is given according to the institutional practice after completing adjuvant chemotherapy (Tx3/CEFx3 or TXx3/CEXx3).
All patients with ER and/or PgR positive disease will receive adjuvant endocrine therapy. This will consist of 1 mg p.o. anastrozole (ArimidexR) given for 60 months in women who were post-menopausal prior to chemotherapy (no menstrual periods for > 6 months) or of tamoxifen 20 mg p.o. for 60 months in women who were pre-menopausal prior to chemotherapy.
Use of trastuzumab is allowed in HER-2 positive disease.
Patients will be followed up for 5 years post-randomization.
Enrollment
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Volunteers
Inclusion criteria
To be eligible for inclusion in the study, each patient must fulfill each of the criteria below.
Have provided written informed consent prior to study-specific screening procedures, with the understanding that the patient has the right to withdraw from the study at any time, without prejudice.
Be female and 18 years of age or older.
Have histologically confirmed invasive breast cancer.
High risk of breast cancer recurrence (> 25% within the first 5 years without adjuvant therapy, > 35% within the first 10 years) with one of the following:
Exclusion criteria
Patients who fulfill any of the following criteria will be excluded:
> 65 years of age.
"Special type" histology (mucinous, papillary, medullary, or tubular breast cancer), when pN0.
ER, PgR and HER-2 status (via in situ hybridization or immunohistochemistry) not determined.
Presence of distant metastases.
Previous chemotherapy in the neoadjuvant setting.
Non-ambulatory or WHO performance status > 1.
Pregnant or lactating women. Women of childbearing potential (menstruating within 6 months of study entry or with no hysterectomy and age < 55) with either a positive or no pregnancy test at baseline.
Women of childbearing potential unless using a reliable and appropriate contraceptive method. (Post-menopausal women must have been amenorrheic for at least 6 months to be considered of non-childbearing potential).
More than 12 weeks between breast surgery and date of randomization.
Organ allografts with immunosuppressive therapy required.
Major surgery (except breast surgery) within 4 weeks prior to study treatment start, or lack of complete recovery from the effects of major surgery.
Participation in any investigational drug study within 4 weeks preceding treatment start.
Patients with a history of uncontrolled seizures, central nervous system disorders or psychiatric disability judged by the investigator to be clinically significant precluding informed consent or interfering with compliance for oral drug intake.
History of another malignancy within the last five years except cured basal cell carcinoma of skin or carcinoma in situ of the uterine cervix.
Clinically significant (i.e. active) cardiac disease (e.g. congestive heart failure, symptomatic coronary artery disease and cardiac arrhythmia not well controlled with medication) or myocardial infarction within the last 12 months.
Abnormal laboratory values:
Serious uncontrolled intercurrent infections or other serious uncontrolled concomitant disease.
Lack of physical integrity of the upper gastrointestinal tract or those who have clinically significant malabsorption syndrome.
Inability to swallow tablets.
Life expectancy of less than 3 months.
Unwilling or unable to comply with the protocol for the duration of the study.
Requirement for concurrent use of the antiviral agent sorivudine or chemically related analogues, such as brivudine.
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Data sourced from clinicaltrials.gov
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