TAC Versus TC for Adjuvant Breast Cancer



Status:Active, not recruiting
Conditions:Breast Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - 70
Updated:10/3/2018
Start Date:May 29, 2007
End Date:May 2019

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Phase III Trial of TC Versus TAC in HER2-Negative Early Stage Breast Cancer Patients

The purpose of this research study is to find out what effects (good and bad) TC or TAC has
on early stage HER2- breast cancer.

Both TAC (docetaxel, doxorubicin, and cyclophosphamide) and TC (docetaxel and
cyclophosphamide) are established adjuvant chemotherapy regimens for early stage breast
cancer. TAC, however, due to the inclusion of the anthracycline doxorubicin, carries a high
risk of hematologic and cardiotoxic adverse effects. Substantial evidence supports the
concept that early stage HER2-negative breast cancers will benefit similarly from
anthracycline-based adjuvant and non-anthracycline-based chemotherapy.

Further, approximately 0 to 9% of HER2-negative breast cancers have alterations in the TOP2A
gene, which may predict for benefit from anthracycline-based chemotherapy.

We hypothesize that 6 cycles of TC versus 6 cycles of TAC will have similar efficacy in the
treatment of early stage HER2-negative breast cancer and that TC will have less toxicity. If
this hypothesis were upheld and the anthracycline doxorubicin could be eliminated from the
regimen while obtaining similar efficacy in this population of patients, it would not only be
an important advance in the understanding of the biology of cancer, but it would also be of
significant clinical benefit to women with breast cancer.

Inclusion Criteria:

A woman will be eligible for inclusion in this study if she meets all of the following
criteria:

- Age >18 to <70 years old.

- Has known ER and PR status

- Has HER2 nonamplified disease, confirmed by FISH

- Has known menopausal status (see Section 7.3 for criteria)

- Has operable, histologically confirmed, Stage I, IIA, IIB, or IIIA, IIIB, or IIIC
invasive carcinoma of the breast. Bilateral synchronous breast cancer is allowable
provided that 1 primary meets the inclusion criteria.

- Meets 1 of the 3 following criteria:

- T1-3N1-3M0 if ER positive or negative

- T2-3N0M0 if ER positive or negative

- T1N0M0 if ER and PR negative

- Has complete surgical resection of the primary breast tumor: either lumpectomy or
mastectomy with sentinel lymph node biopsy or axillary dissection, with clear margins
for both invasive and ductal carcinoma in situ (DCIS)

- Has had no prior chemotherapy unless >5 years ago

- Has an ECOG Performance Status (PS) 0-1

- Has laboratory values of: See protocol for specific details

- Has aspartate aminotransferase (AST) or alanine aminotransferase (ALT) and alkaline
phosphatase (ALP) within the ranges shown below. In determining eligibility the more
abnormal of the 2 values (AST or ALT) should be used. See protocol for specific
details

- Has normal cardiac function as evidenced by a LVEF >50%, but WNL by institutional
standard by multiple gated acquisition (MUGA) scan. An echocardiogram (ECHO) may be
used if MUGA is not available, but the same modality must be used consistently
throughout the study to evaluate LVEF. Ejection fraction as determined by ECHO must be
WNL by institutional standard.

- Has no evidence of metastatic disease outside of breast by physical examination and
chest x-ray. Other scans if done as needed by the patient (eg, bone scan; abdominal,
chest CT; PET or PET/CT; ultrasound; or MRI should indicate no evidence of metastatic
disease

- Has had baseline bilateral mammography

- It has been <84 days since the date of definitive surgery (eg, mastectomy or, in the
case of a breast-sparing procedure, axillary dissection) with adequate wound healing,
as determined by the Treating Physician

- Has a negative serum pregnancy test within 7 calendar days prior to registration
(female patients of childbearing potential [not surgically sterilized and between
menarche and 1 year postmenopause])

- If fertile, patient has agreed to use an acceptable method of birth control (barrier
contraceptive only) to avoid pregnancy for the duration of the study and for a period
of 3 months thereafter

- Has adequate tumor specimen available for FISH analysis of TOP2A status (See Appendix
VI).

- Has signed a Patient Informed Consent Form

- Has signed a Patient Authorization Form

Exclusion Criteria:

A woman will be excluded from this study if she meets any of the following criteria:

- Has any evidence of metastatic disease following surgical resection of the primary
tumor including: positive surgical margins, staging work-up, or physical examination
suspicious for malignant disease

- Has T4 disease (ie, patients with fixed tumors, peau d'orange skin changes, skin
ulcerations, or inflammatory changes)

- Has Stage IV breast cancer (M1 disease on TNM staging system)

- Has a history of severe hypersensitivity reaction to drugs formulated with polysorbate
80

- Has had neoadjuvant chemotherapy for this breast cancer

- Has ever had a myocardial infarction (MI) or has a history of heart failure,
uncontrolled angina, severe uncontrolled arrhythmias, pericardial disease, or
electrocardiographic evidence of acute ischemic changes

- Is receiving concurrent immunotherapy, hormonal therapy (eg, tamoxifen, hormone
replacement therapy), or radiation therapy. Must discontinue prior to registering on
the study.

- Is receiving concurrent investigational therapy or has received such therapy within
the past 30 calendar days

- Has peripheral neuropathy >Grade 1

- Has had a major organ allograft or condition requiring chronic immunosuppression (ie,
kidney, liver, lung, heart, bone marrow transplant, or autoimmune diseases). Patients
who have received corneal transplants or cadaver skin or bone transplants are
eligible.

- Has a serious uncontrolled intercurrent medical or psychiatric illness, including
serious viral (including clinically defined AIDS), bacterial or fungal infection; or
history of uncontrolled seizures, or diabetes, or CNS disorders deemed by the Treating
Physician to be clinically significant, precluding informed consent

- Has active hepatitis B or hepatitis C with abnormal liver function tests (LFTs) or is
known to be HIV positive

- Has a history of other malignancy within the last 5 years (except cured basal cell
carcinoma of skin, carcinoma in situ of uterine cervix, DCIS, which could affect the
diagnosis or assessment of any of the study drugs

- In an obese patient to whom the Treating Physician would not be comfortable
administering full doses of study drugs as calculated by the BSA. Obese patients will
be treated based on actual body weight. Obese patients treated with full doses based
on actual BSA are eligible.

- Is pregnant or breastfeeding

- Is deemed unable to comply with requirements of study
We found this trial at
94
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Los Angeles, California 90095
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University of California at Los Angeles The University of California, Los Angeles (UCLA) is an...
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2102 Trinity Oaks Blvd # 204A Trinity,
New Port Richey, Florida 34655
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433 Southwest 10th Street
Ocala, Florida 34471
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Ocoee, Florida 34761
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220 S Palisade Dr # 204
Santa Maria, California 93454
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Albany, New York 12206
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Amarillo, Texas 79106
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Arlington, Texas 76014
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Austin, Texas 78731
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Bakersfield, California 93309
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Beaumont, Texas 77702
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Beckley, West Virginia 25801
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Bedford, Texas 76022
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Birmingham, Alabama 35205
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Burien, Washington 98166
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Chattanooga, Tennessee 37404
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5053 Wooster Rd
Cincinnati, Ohio 45226
(513) 751-2273
Oncology Hematology Care Our more than 60 physicians and advanced practice providers throughout neighborhood offices...
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Columbia, Maryland 21044
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Columbia, Missouri 65201
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Dallas, Texas 75246
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Dallas, Texas 75237
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Denton, Texas 76210
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Denver, Colorado 80220
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El Paso, Texas 79915
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Eugene, Oregon 97401
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Fairfax, Virginia 22031
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Fullerton, California 92835
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Garland, Texas 75042
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Greenville, South Carolina 29605
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Henderson, Nevada 89052
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Houston, Texas 77024
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Indianapolis, Indiana 46227
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7360 W. Deschutes
Kennewick, Washington 99336
509-783-0144
Columbia Basin Hematology and Oncology Our collaboration with Seattle Cancer Care Alliance gives you convenient...
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Kettering, Ohio 45409
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Morristown, New Jersey 07960
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3322 West End Avenue
Nashville, Tennessee 37203
(615)329-SCRI (7274)
Sarah Cannon Research Institute Sarah Cannon Research Institute (SCRI) is a global strategic research organization...
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5900 Lake Wright Dr
Norfolk, Virginia 23502
(757) 466-8683
Virginia Oncology Associates Virginia Oncology Associates is an oncology and hematology practice of physicians, specializing...
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Northridge, California 91328
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Odessa, Texas 79761
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12200W. 110th Street
Overland Park, Kansas 66210
913.234.0400
Kansas City Cancer Centers - Southwest Through world-class research and patient care, The University of...
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Paris, Texas 75460
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Philadelphia, Pennsylvania 19107
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Raleigh, North Carolina 27607
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Rochester, New York 14623
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Saint Louis, Missouri 63141
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San Antonio, Texas 78217
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Seattle, Washington 98133
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Sherman, Texas 75090
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2811 Tieton Drive
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Yakima, Washington 98902
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