Chemotherapy in Treating Women With Breast Cancer That Can Be Surgically Removed

NCT ID: NCT00002707

Last Updated: 2010-02-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

2411 participants

Study Classification

INTERVENTIONAL

Study Start Date

1995-12-31

Study Completion Date

2010-02-28

Brief Summary

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RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. It is not yet known if chemotherapy given before surgery is more effective with or without docetaxel given before or after surgery for breast cancer.

PURPOSE: Randomized phase III trial to compare the effectiveness of chemotherapy using doxorubicin and cyclophosphamide with or without docetaxel in treating women who have stage II or stage III breast cancer.

Detailed Description

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OBJECTIVES: I. Compare overall and disease-free survival in patients with operable adenocarcinoma of the breast treated with 4 courses of preoperative doxorubicin and cyclophosphamide (AC) alone vs 4 courses of preoperative or postoperative docetaxel (TXT) following 4 courses of preoperative AC. II. Evaluate whether the addition of preoperative TXT to preoperative AC results in improved rates of clinical and pathologic locoregional tumor response. III. Assess whether the addition of preoperative TXT to preoperative AC results in improved rates of breast conservation. IV. Assess whether postoperative TXT improves disease-free and overall survival in patients who receive preoperative AC, especially in certain subgroups of patients (e.g., those with pathologically positive nodes).

OUTLINE: This is a randomized, multicenter study. Patients are stratified according to age (under 50 vs 50 and over), clinical tumor size (less than 2.1 cm vs 2.1-4.0 cm vs greater than 4.0 cm), clinical nodal status (negative vs positive), and participating center. Patients are randomized to one of three treatment arms. Arm I: Patients receive doxorubicin IV followed by cyclophosphamide IV over 30 minutes to 2 hours on day 1 every 21 days for 4 courses. Patients receive oral tamoxifen daily for 5 years, starting on day 1. After completion of chemotherapy, patients are offered surgery (e.g., lumpectomy with axillary node dissection, or modified radical mastectomy). Post-operative radiotherapy is given post-lumpectomy. Arm II: Patients receive doxorubicin IV followed by cyclophosphamide IV over 30 minutes to 2 hours followed by docetaxel IV over 1 hour on day 1 once every 21 days for 4 courses. Patients receive oral tamoxifen daily for 5 years, starting on day 1. After the completion of chemotherapy, surgery is offered (as in arm I). Radiotherapy follows surgery in post-lumpectomy patients. Arm III: Patients receive doxorubicin IV followed by cyclophosphamide IV over 30 minutes to 2 hours on day 1 every 21 days for 4 courses. Patients receive oral tamoxifen daily for 5 years, starting on day 1. After completion of chemotherapy, surgery is offered (as in arm I). After surgical recovery, docetaxel IV is given over 1 hour once every 21 days for 4 courses. Radiotherapy follows docetaxel in post-lumpectomy patients. Chemotherapy is repeated every 21 days for 4 courses in the absence of disease progression or unacceptable toxicity. Patients are followed every 6 months for 5 years, and then annually thereafter.

PROJECTED ACCRUAL: Approximately 2,400 patients will be accrued for this study within 5 years.

Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Group 2

doxorubicin and cyclophosphamide plus Taxotere prior to surgery plus tamoxifen

Group Type EXPERIMENTAL

Cyclophosphamide

Intervention Type DRUG

600 mg/m2 IV every 21 days for 4 cycles

Docetaxel

Intervention Type DRUG

100 mg/m2 IV every 21 days for 4 cycles

Doxorubicin

Intervention Type DRUG

60 mg/m2 IV every 21 days fo 4 cycles

Tamoxifen

Intervention Type DRUG

20 mg p.o. once daily for 5 years starting on day 1 of ther first AC cycle

Group 3

doxorubicin and cyclophosphamide followed by surgery followed by taxotere plus tamoxifen

Group Type EXPERIMENTAL

Cyclophosphamide

Intervention Type DRUG

600 mg/m2 IV every 21 days for 4 cycles

Docetaxel

Intervention Type DRUG

100 mg/m2 IV every 21 days for 4 cycles

Doxorubicin

Intervention Type DRUG

60 mg/m2 IV every 21 days fo 4 cycles

Tamoxifen

Intervention Type DRUG

20 mg p.o. once daily for 5 years starting on day 1 of ther first AC cycle

Group 1

doxorubicin and cyclophosphamide plus tamoxifen

Group Type ACTIVE_COMPARATOR

Cyclophosphamide

Intervention Type DRUG

600 mg/m2 IV every 21 days for 4 cycles

Doxorubicin

Intervention Type DRUG

60 mg/m2 IV every 21 days fo 4 cycles

Tamoxifen

Intervention Type DRUG

20 mg p.o. once daily for 5 years starting on day 1 of ther first AC cycle

Interventions

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Cyclophosphamide

600 mg/m2 IV every 21 days for 4 cycles

Intervention Type DRUG

Docetaxel

100 mg/m2 IV every 21 days for 4 cycles

Intervention Type DRUG

Doxorubicin

60 mg/m2 IV every 21 days fo 4 cycles

Intervention Type DRUG

Tamoxifen

20 mg p.o. once daily for 5 years starting on day 1 of ther first AC cycle

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

DISEASE CHARACTERISTICS: Histologically or cytologically proven invasive adenocarcinoma of the breast Fine-needle aspiration is acceptable Core or Tru-cut biopsies are preferable No more than 63 days between initial diagnosis and randomization Tumor palpable on clinical exam and confined to the breast and ipsilateral axilla If clinically negative axillary nodes (N0): primary tumor greater than 1 cm (T1c-T3) If clinically positive axillary nodes (N1): any size primary tumor (T1-3) No N2 disease, i.e., ipsilateral nodes clinically fixed to one another or to other structures No skeletal pain unless: Bone scan and/or roentgenologic exam negative for metastatic disease Suspicious findings confirmed as benign by x-ray, MRI, or biopsy No ulceration, erythema, skin infiltration (complete fixation), or peau d'orange, or skin edema of any magnitude Tethering or dimpling of skin or nipple inversion allowed No bilateral malignancy Suspicious contralateral mass proven benign on biopsy allowed None of the following unless proven benign on biopsy: Suspicious palpable nodes in contralateral axilla Palpable supraclavicular or infraclavicular nodes Hormone receptor status: Any status

PATIENT CHARACTERISTICS: Age: Any age Sex: Female Menopausal status: Not specified Performance status: Not specified Life expectancy: At least 10 years (exclusive of cancer diagnosis) Hematopoietic: WBC at least 4,000/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin normal AST/ALT normal Alkaline phosphatase normal Renal: Creatinine normal Cardiovascular: No active cardiac disease that would preclude doxorubicin, e.g.: Documented myocardial infarction History of congestive heart failure Angina pectoris requiring medication Valvular disease with documented cardiac function compromise Arrhythmia associated with heart failure or cardiac dysfunction Poorly controlled hypertension, i.e., diastolic blood pressure greater than 100 mm Hg Cardiomegaly on chest x-ray or ventricular hypertrophy on EKG unless left ventricular ejection fraction at least 45% by MUGA Other: No other malignancy within the past 10 years except: Segmentally resected lobular carcinoma in situ of the ipsilateral or contralateral breast Effectively treated nonmelanomatous skin cancer Surgically treated carcinoma in situ of the cervix No systemic disease that would preclude therapy No psychiatric or addictive disorder that would preclude informed consent Geographically accessible for follow-up Not pregnant

PRIOR CONCURRENT THERAPY: No prior therapy for breast cancer No prior anthracyclines for any malignancy No concurrent sex hormones (e.g., birth control pills or ovarian replacement therapy)
Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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National Cancer Institute (NCI)

NIH

Sponsor Role collaborator

NSABP Foundation Inc

NETWORK

Sponsor Role lead

Responsible Party

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NSABP Foundation, Inc.

Principal Investigators

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Harry D. Bear, MD, PhD

Role: STUDY_CHAIR

Massey Cancer Center

Locations

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Huntsville Hospital System

Huntsville, Alabama, United States

Site Status

CCOP - Greater Phoenix

Phoenix, Arizona, United States

Site Status

Sutter Health Western Division Cancer Research Group

Greenbrae, California, United States

Site Status

Loma Linda University Medical Center

Loma Linda, California, United States

Site Status

Saint Mary Medical Center - Long Beach

Long Beach, California, United States

Site Status

Beckman Research Institute, City of Hope

Los Angeles, California, United States

Site Status

CCOP - Bay Area Tumor Institute

Oakland, California, United States

Site Status

Chao Family Comprehensive Cancer Center

Orange, California, United States

Site Status

Comprehensive Cancer Centers of the Desert

Palm Springs, California, United States

Site Status

Kaiser Permanente-Southern California Permanente Medical Group

San Diego, California, United States

Site Status

Catholic Healthcare West - Westbay Region

San Francisco, California, United States

Site Status

CCOP - Santa Rosa Memorial Hospital

Santa Rosa, California, United States

Site Status

Kaiser Permanente Medical Center - Vallejo

Vallejo, California, United States

Site Status

CCOP - Colorado Cancer Research Program, Inc.

Denver, Colorado, United States

Site Status

University of Colorado Cancer Center

Denver, Colorado, United States

Site Status

University of Connecticut Health Center

Farmington, Connecticut, United States

Site Status

Hartford Hospital

Hartford, Connecticut, United States

Site Status

CCOP - Christiana Care Health Services

Wilmington, Delaware, United States

Site Status

George Washington University Cancer Center

Washington D.C., District of Columbia, United States

Site Status

Halifax Medical Center

Daytona Beach, Florida, United States

Site Status

Baptist Regional Cancer Institute - Jacksonville

Jacksonville, Florida, United States

Site Status

Sylvester Cancer Center, University of Miami

Miami, Florida, United States

Site Status

CCOP - Mount Sinai Medical Center

Miami Beach, Florida, United States

Site Status

Good Samaritan Medical Center

West Palm Beach, Florida, United States

Site Status

Winship Cancer Institute

Atlanta, Georgia, United States

Site Status

CCOP - Atlanta Regional

Atlanta, Georgia, United States

Site Status

Medical College of Georgia Comprehensive Cancer Center

Augusta, Georgia, United States

Site Status

Dwight David Eisenhower Army Medical Center

Fort Gordon, Georgia, United States

Site Status

Cancer Research Center of Hawaii

Honolulu, Hawaii, United States

Site Status

North Idaho Cancer Center

Coeur d'Alene, Idaho, United States

Site Status

Illinois Masonic Medical Center

Chicago, Illinois, United States

Site Status

CCOP - Evanston

Evanston, Illinois, United States

Site Status

CCOP - Illinois Oncology Research Association

Peoria, Illinois, United States

Site Status

Rockford Clinic

Rockford, Illinois, United States

Site Status

CCOP - Carle Cancer Center

Urbana, Illinois, United States

Site Status

St. Vincent Hospital and Health Care Center

Indianapolis, Indiana, United States

Site Status

Memorial Hospital of South Bend

South Bend, Indiana, United States

Site Status

CCOP - Iowa Oncology Research Association

Des Moines, Iowa, United States

Site Status

University of Iowa Hospitals and Clinics

Iowa City, Iowa, United States

Site Status

CCOP - Wichita

Wichita, Kansas, United States

Site Status

Lucille Parker Markey Cancer Center, University of Kentucky

Lexington, Kentucky, United States

Site Status

Norton Healthcare System

Louisville, Kentucky, United States

Site Status

Louisiana State University Medical Center - New Orleans

New Orleans, Louisiana, United States

Site Status

Tulane University School of Medicine

New Orleans, Louisiana, United States

Site Status

CCOP - Ochsner

New Orleans, Louisiana, United States

Site Status

Eastern Maine Medical Center

Bangor, Maine, United States

Site Status

Franklin Square Hospital Center

Baltimore, Maryland, United States

Site Status

National Naval Medical Center

Bethesda, Maryland, United States

Site Status

Regional Cancer Therapy Center - Frederick

Frederick, Maryland, United States

Site Status

Boston Medical Center

Boston, Massachusetts, United States

Site Status

Lahey Clinic - Burlington

Burlington, Massachusetts, United States

Site Status

Berkshire Medical Center

Pittsfield, Massachusetts, United States

Site Status

Baystate Medical Center

Springfield, Massachusetts, United States

Site Status

CCOP - Ann Arbor Regional

Ann Arbor, Michigan, United States

Site Status

Henry Ford Hospital

Detroit, Michigan, United States

Site Status

Michigan State University

East Lansing, Michigan, United States

Site Status

CCOP - Grand Rapids Clinical Oncology Program

Grand Rapids, Michigan, United States

Site Status

CCOP - Kalamazoo

Kalamazoo, Michigan, United States

Site Status

Providence Hospital - Southfield

Southfield, Michigan, United States

Site Status

CCOP - Duluth

Duluth, Minnesota, United States

Site Status

Hennepin County Medical Center - Minneapolis

Minneapolis, Minnesota, United States

Site Status

University of Mississippi Medical Center

Jackson, Mississippi, United States

Site Status

Ellis Fischel Cancer Center - Columbia

Columbia, Missouri, United States

Site Status

CCOP - Cancer Research for the Ozarks

Springfield, Missouri, United States

Site Status

St. Louis University School of Medicine

St Louis, Missouri, United States

Site Status

CCOP - St. Louis-Cape Girardeau

St Louis, Missouri, United States

Site Status

CCOP - Montana Cancer Consortium

Billings, Montana, United States

Site Status

Methodist Cancer Center - Omaha

Omaha, Nebraska, United States

Site Status

CCOP - Missouri Valley Cancer Consortium

Omaha, Nebraska, United States

Site Status

CCOP - Southern Nevada Cancer Research Foundation

Las Vegas, Nevada, United States

Site Status

Cooper Cancer Institute

Camden, New Jersey, United States

Site Status

Trinitas Hospital - Jersey Street Campus

Elizabeth, New Jersey, United States

Site Status

CCOP - Northern New Jersey

Hackensack, New Jersey, United States

Site Status

Hackensack University Medical Center

Hackensack, New Jersey, United States

Site Status

Cancer Institute of New Jersey at Hamilton

Hamilton, New Jersey, United States

Site Status

Cancer Institute of New Jersey

New Brunswick, New Jersey, United States

Site Status

University of Medicine and Dentistry of New Jersey

Newark, New Jersey, United States

Site Status

Newark Beth Israel Medical Center

Newark, New Jersey, United States

Site Status

Overlook Hospital

Summit, New Jersey, United States

Site Status

University of New Mexico Cancer Research & Treatment Center

Albuquerque, New Mexico, United States

Site Status

CCOP - Syracuse Hematology-Oncology Associates of Central New York, P.C.

Syracuse, New York, United States

Site Status

Lineberger Comprehensive Cancer Center, UNC

Chapel Hill, North Carolina, United States

Site Status

East Carolina University School of Medicine

Greenville, North Carolina, United States

Site Status

CCOP - Southeast Cancer Control Consortium

Winston-Salem, North Carolina, United States

Site Status

Comprehensive Cancer Center of Wake Forest University Baptist Medical Center

Winston-Salem, North Carolina, United States

Site Status

CCOP - Merit Care Hospital

Fargo, North Dakota, United States

Site Status

Akron City Hospital

Akron, Ohio, United States

Site Status

Aultman Cancer Center

Canton, Ohio, United States

Site Status

Barrett Cancer Center, The University Hospital

Cincinnati, Ohio, United States

Site Status

Jewish Hospital of Cincinnati, Inc.

Cincinnati, Ohio, United States

Site Status

South Pointe Hospital

Cleveland, Ohio, United States

Site Status

CCOP - Columbus

Columbus, Ohio, United States

Site Status

Arthur G. James Cancer Hospital - Ohio State University

Columbus, Ohio, United States

Site Status

CCOP - Dayton

Kettering, Ohio, United States

Site Status

CCOP - Sooner State

Tulsa, Oklahoma, United States

Site Status

Oregon Cancer Center at Oregon Health Sciences University

Portland, Oregon, United States

Site Status

CCOP - Columbia River Program

Portland, Oregon, United States

Site Status

Lehigh Valley Hospital

Allentown, Pennsylvania, United States

Site Status

St. Luke's Network - Bethlehem

Bethlehem, Pennsylvania, United States

Site Status

Geisinger Medical Center

Danville, Pennsylvania, United States

Site Status

Allegheny General Hospital

Pittsburgh, Pennsylvania, United States

Site Status

University of Pittsburgh Cancer Institute

Pittsburgh, Pennsylvania, United States

Site Status

Mercy Hospital Cancer Center - Scranton

Scranton, Pennsylvania, United States

Site Status

CCOP - MainLine Health

Wynnewood, Pennsylvania, United States

Site Status

York Hospital

York, Pennsylvania, United States

Site Status

Kent County Memorial Hospital - Rhode Island

Warwick, Rhode Island, United States

Site Status

Medical University of South Carolina

Charleston, South Carolina, United States

Site Status

CCOP - Greenville

Greenville, South Carolina, United States

Site Status

CCOP - Upstate Carolina

Spartanburg, South Carolina, United States

Site Status

CCOP - Sioux Community Cancer Consortium

Sioux Falls, South Dakota, United States

Site Status

CCOP - Baptist Cancer Institute

Memphis, Tennessee, United States

Site Status

Simmons Cancer Center - Dallas

Dallas, Texas, United States

Site Status

Medical Group of Texas

Dallas, Texas, United States

Site Status

University of Texas Medical Branch

Galveston, Texas, United States

Site Status

Baylor College of Medicine

Houston, Texas, United States

Site Status

Joe Arrington Cancer Research and Treatment Center

Lubbock, Texas, United States

Site Status

University of Texas Health Science Center at San Antonio

San Antonio, Texas, United States

Site Status

CCOP - Scott and White Hospital

Temple, Texas, United States

Site Status

Utah Valley Regional Medical Center - Provo

Provo, Utah, United States

Site Status

CCOP - Southwestern Vermont Regional Cancer Center

Bennington, Vermont, United States

Site Status

Vermont Cancer Center

Burlington, Vermont, United States

Site Status

Virginia Oncology Associates

Newport News, Virginia, United States

Site Status

Eastern Virginia Medical School

Norfolk, Virginia, United States

Site Status

MBCCOP - Massey Cancer Center

Richmond, Virginia, United States

Site Status

CCOP - Virginia Mason Research Center

Seattle, Washington, United States

Site Status

Puget Sound Oncology Consortium

Seattle, Washington, United States

Site Status

CCOP - Northwest

Tacoma, Washington, United States

Site Status

David Lee Cancer Center

Charleston, West Virginia, United States

Site Status

West Virginia University Hospitals

Morgantown, West Virginia, United States

Site Status

Camden-Clark Memorial Hospital

Parkersburg, West Virginia, United States

Site Status

St. Vincent Hospital

Green Bay, Wisconsin, United States

Site Status

CCOP - Marshfield Medical Research and Education Foundation

Marshfield, Wisconsin, United States

Site Status

St. Luke's Medical Center

Milwaukee, Wisconsin, United States

Site Status

Medical College of Wisconsin

Milwaukee, Wisconsin, United States

Site Status

Tom Baker Cancer Center - Calgary

Calgary, Alberta, Canada

Site Status

Cross Cancer Institute

Edmonton, Alberta, Canada

Site Status

CancerCare Manitoba

Winnipeg, Manitoba, Canada

Site Status

Credit Valley Hospital

Mississauga, Ontario, Canada

Site Status

Centre Hospitalier de l'Universite de Montreal

Montreal, Quebec, Canada

Site Status

Royal Victoria Hospital - Montreal

Montreal, Quebec, Canada

Site Status

Montreal General Hospital

Montreal, Quebec, Canada

Site Status

Jewish General Hospital - Montreal

Montreal, Quebec, Canada

Site Status

St. Mary's Hospital Center

Montreal, Quebec, Canada

Site Status

Hopital du Saint-Sacrament, Quebec

Québec, Quebec, Canada

Site Status

L'Hopital Laval

Ste-Foy, Quebec, Canada

Site Status

Countries

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United States Canada

References

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Rastogi P, Anderson SJ, Bear HD, Geyer CE, Kahlenberg MS, Robidoux A, Margolese RG, Hoehn JL, Vogel VG, Dakhil SR, Tamkus D, King KM, Pajon ER, Wright MJ, Robert J, Paik S, Mamounas EP, Wolmark N. Preoperative chemotherapy: updates of National Surgical Adjuvant Breast and Bowel Project Protocols B-18 and B-27. J Clin Oncol. 2008 Feb 10;26(5):778-85. doi: 10.1200/JCO.2007.15.0235.

Reference Type BACKGROUND
PMID: 18258986 (View on PubMed)

Soran A, Nesbitt L, Mamounas EP, Lembersky B, Bryant J, Anderson S, Brown A, Passarello M. Centralized medical monitoring in phase III clinical trials: the National Surgical Adjuvant Breast and Bowel Project (NSABP) experience. Clin Trials. 2006;3(5):478-85. doi: 10.1177/1740774506070747.

Reference Type BACKGROUND
PMID: 17060221 (View on PubMed)

Heys SD, Sarkar T, Hutcheon AW. Primary docetaxel chemotherapy in patients with breast cancer: impact on response and survival. Breast Cancer Res Treat. 2005 Mar;90(2):169-85. doi: 10.1007/s10549-004-1001-0.

Reference Type BACKGROUND
PMID: 15803364 (View on PubMed)

Bear HD, Anderson S, Smith RE, Geyer CE Jr, Mamounas EP, Fisher B, Brown AM, Robidoux A, Margolese R, Kahlenberg MS, Paik S, Soran A, Wickerham DL, Wolmark N. Sequential preoperative or postoperative docetaxel added to preoperative doxorubicin plus cyclophosphamide for operable breast cancer:National Surgical Adjuvant Breast and Bowel Project Protocol B-27. J Clin Oncol. 2006 May 1;24(13):2019-27. doi: 10.1200/JCO.2005.04.1665. Epub 2006 Apr 10.

Reference Type RESULT
PMID: 16606972 (View on PubMed)

Julian T, Anderson S, Fourchotte V, et al.: Is invasive lobular breast cancer a prognostic factor for neoadjuvant chemotherapy response and long term outcomes? [Abstract] Breast Cancer Res Treat 100 (Suppl 1): A-3065, S146, 2006.

Reference Type RESULT

Mamounas EP, Brown A, Anderson S, Smith R, Julian T, Miller B, Bear HD, Caldwell CB, Walker AP, Mikkelson WM, Stauffer JS, Robidoux A, Theoret H, Soran A, Fisher B, Wickerham DL, Wolmark N. Sentinel node biopsy after neoadjuvant chemotherapy in breast cancer: results from National Surgical Adjuvant Breast and Bowel Project Protocol B-27. J Clin Oncol. 2005 Apr 20;23(12):2694-702. doi: 10.1200/JCO.2005.05.188.

Reference Type RESULT
PMID: 15837984 (View on PubMed)

Bear HD, Anderson S, Smith RE, et al.: A randomized trial comparing preoperative (preop) doxorubicin/cyclophosphamide (AC) to preop AC followed by preop docetaxel (T) and to preop AC followed by postoperative (postop) T in patients (pts) with operable carcinoma of the breast: results of NSABP B-27. [Abstract] Breast Cancer Res Treat 88 (Suppl 1): A-26, 2004.

Reference Type RESULT

Bear HD, Anderson S, Brown A, Smith R, Mamounas EP, Fisher B, Margolese R, Theoret H, Soran A, Wickerham DL, Wolmark N; National Surgical Adjuvant Breast and Bowel Project Protocol B-27. The effect on tumor response of adding sequential preoperative docetaxel to preoperative doxorubicin and cyclophosphamide: preliminary results from National Surgical Adjuvant Breast and Bowel Project Protocol B-27. J Clin Oncol. 2003 Nov 15;21(22):4165-74. doi: 10.1200/JCO.2003.12.005. Epub 2003 Oct 14.

Reference Type RESULT
PMID: 14559892 (View on PubMed)

Mamounas EP, Brown A, Smith R, et al.: Accuracy of sentinel node biopsy after neoadjuvant chemotherapy in breast cancer: updated results from NSABP B-27. [Abstract] Proceedings of the American Society of Clinical Oncology 21: A-140, 2002.

Reference Type RESULT

Other Identifiers

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CDR0000064521

Identifier Type: -

Identifier Source: secondary_id

NSABP B-27

Identifier Type: -

Identifier Source: org_study_id

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