Letrozole in Treating Postmenopausal Women Who Have Received Hormone Therapy for Hormone Receptor-Positive Breast Cancer
NCT ID: NCT00382070
Last Updated: 2024-03-22
Study Results
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View full resultsBasic Information
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ACTIVE_NOT_RECRUITING
PHASE3
3966 participants
INTERVENTIONAL
2006-08-31
2025-04-30
Brief Summary
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PURPOSE: This randomized phase III trial is studying letrozole to see how well it works compared with a placebo in treating postmenopausal women who have received hormone therapy for hormone receptor-positive breast cancer.
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Detailed Description
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Primary
* Determine whether or not prolonged adjuvant hormonal therapy comprising letrozole vs placebo will improve disease-free survival of postmenopausal women with estrogen receptor-positive and/or progesterone receptor-positive breast cancer who have completed 5 years of hormonal therapy with 5 years of an aromatase inhibitor (AI) or 5 years of a combination of up to 3 years of tamoxifen citrate followed by an AI.
* Compare the disease-free survival of patients treated with these regimens.
Secondary
* Compare overall survival of patients treated with these regimens.
* Compare breast cancer-free interval of patients treated with these regimens.
* Compare distant recurrence in patients treated with these regimens.
* Compare the incidence of osteoporotic-related fractures (e.g., Colles', hip, and spine) in these patients treated with these regimens.
* Compare the incidence of arterial thrombotic events in patients treated with these regimens.
OUTLINE: This is a double-blind, multicenter, placebo-controlled, randomized study. Patients are stratified according to pathologic nodal status (negative vs positive), adjuvant tamoxifen citrate therapy (yes vs no), and lowest bone mineral density T score for lumbosacral spine, total hip, or femoral neck (\> -2.0 vs ≤ -2.0 standard deviation). Patients are randomized to 1 of 2 treatment arms.
* Group I: Patients receive oral placebo once daily.
* Group II: Patients receive oral letrozole once daily.
In both arms, treatment continues for up to 5 years in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed annually.
PROJECTED ACCRUAL: A total of 3,840 patients will be accrued for this study.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Group 2 Letrozole
Patients receive oral letrozole once daily for up to 5 years.
Letrozole
Letrozole 2.5 mg taken orally once daily for 5 years
Group 1 Placebo
Patients receive oral placebo once daily for up to 5 years.
Placebo
Placebo tablet taken orally once daily for 5 years
Interventions
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Letrozole
Letrozole 2.5 mg taken orally once daily for 5 years
Placebo
Placebo tablet taken orally once daily for 5 years
Eligibility Criteria
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Inclusion Criteria
* The patient must have had histologically-confirmed invasive carcinoma of the breast by diagnostic core needle biopsy or by final pathologic evaluation of the surgical specimen.
* Patients who received neoadjuvant chemotherapy must have been clinical Stage I, II, or IIIA. For patients who received adjuvant chemotherapy, the primary tumor must have been T1-3 on pathologic evaluation and ipsilateral nodes must have been pN0, pN1 (pN1mi, pN1a, pN1b, pN1c), pN2a, pN3a, or pN3b.
* The primary tumor must have been estrogen receptor (ER)-positive and/or progesterone receptor (PgR)-positive. (Patients who had a tumor that was considered to be borderline for hormone receptor positivity and who were treated with tamoxifen and/or an aromatases inhibitor (AI) are eligible for this study.)
* Patients must have undergone either a lumpectomy with axillary nodal staging followed by breast radiotherapy or a total mastectomy with axillary nodal staging. (Acceptable axillary nodal staging procedures include sentinel node biopsy alone, if sentinel nodes were negative on hematoxylin and eosin (H\&E) staining.)
* The duration of the patient's hormonal therapy following breast cancer diagnosis must have been 57-63 months from the first dose regardless of the number of missed doses. Hormonal therapy must have consisted of an AI or a combination of up to 3 years of tamoxifen followed by an AI. Tamoxifen may not have been given during years 4 and 5 of the 5 years of adjuvant hormonal therapy. (Note: Patients must discontinue their adjuvant AI therapy at the time of randomization.)
* Optional Letrozole Registration Program for patients who have not yet completed 5 years of hormonal therapy. (Note: As of September 5, 2008, the optional NSABP B-42 Registration Program closed to patient enrollment. Accrual and data collection for the NSABP B-42 randomized treatment trial continues as planned.) In order to have a predominantly letrozole-treated population for B-42 study entry, patients who have had a minimum of 2 years of hormonal therapy and who are currently on tamoxifen (for up to 3 years) or an AI may be offered letrozole at no cost until they complete 5 total years of initial adjuvant hormonal therapy.
* B-42 randomization must be within 6 months following completion of 5 years (57-63 months) of initial adjuvant hormonal therapy.
* At the time of randomization, the patient must have had the following: history and physical exam within 3 months demonstrating no findings suggestive of recurrent breast cancer; bilateral mammogram within 1 year (unilateral if patient had a mastectomy); mammogram not required if patient had a prophylactic contralateral mastectomy; bone mineral density (BMD) testing within 1 year; and fasting lipid profile (total cholesterol, LDL-C, HDL-C, and triglycerides) with a total cholesterol value less than or equal to grade 1 (according to CTCAE v3.0), with or without cholesterol-lowering therapy.
* within 1 year if the patient has a history of hypercholesterolemia controlled with cholesterol-lowering therapy and/or therapeutic lifestyle changes or if the patient has a history of one or more of the following risk factors for future cardiovascular events: diabetes, hypertension, obesity, tobacco use, hypertriglyceridemia, documented coronary artery disease, or family history of premature coronary heart disease.
* within 2 years for all other patients.
Ineligibility Criteria
* Patients with one or more of the following conditions will be ineligible for this study:
* History of non-traumatic osteoporotic fracture of wrist, hip, or spine.
* Diagnosis of bilateral breast cancer including ductal carcinoma in situ (DCIS)\[(synchronous or metachronous\].
* Other malignancies unless the patient is considered to be disease-free for 5 or more years prior to randomization, and is deemed by their physician to be at low risk for recurrence. Patients with the following cancers are eligible if diagnosed and treated within the past 5 years: carcinoma in situ of the cervix, colon carcinoma in situ, melanoma in situ, and basal cell and squamous cell carcinoma of the skin.
* Sex hormonal therapy, e.g., estrogen- or progesterone-replacement therapy or oral contraceptives. These patients are eligible only if this therapy is discontinued prior to randomization.
* Therapy with any hormonal agent such as raloxifene for management of osteoporosis. Patients are eligible only if these medications are discontinued prior to study entry.
* Administration of any investigational agent within 30 days before study entry.
18 Years
120 Years
FEMALE
No
Sponsors
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National Cancer Institute (NCI)
NIH
Novartis
INDUSTRY
NSABP Foundation Inc
NETWORK
Responsible Party
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Principal Investigators
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Norman Wolmark, MD
Role: PRINCIPAL_INVESTIGATOR
NSABP Foundation Inc
Locations
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CCOP - Cancer Research for the Ozarks
Springfield, Missouri, United States
St. John's Regional Health Center
Springfield, Missouri, United States
Regional Medical Center
Anniston, Alabama, United States
Providence Cancer Center at Providence Hospital
Mobile, Alabama, United States
Providence Cancer Center
Anchorage, Alaska, United States
Fairbanks Cancer Treatment Center at Fairbanks Memorial Hospital
Fairbanks, Alaska, United States
Arkansas Cancer Research Center at University of Arkansas for Medical Sciences
Little Rock, Arkansas, United States
Alta Bates Summit Comprehensive Cancer Center
Berkeley, California, United States
Providence Saint Joseph Medical Center - Burbank
Burbank, California, United States
Peninsula Medical Center
Burlingame, California, United States
East Bay Radiation Oncology Center
Castro Valley, California, United States
Eden Medical Center
Castro Valley, California, United States
Valley Medical Oncology Consultants - Castro Valley
Castro Valley, California, United States
Cancer Care Center at John Muir Health - Concord Campus
Concord, California, United States
City of Hope Comprehensive Cancer Center
Duarte, California, United States
North Bay Cancer Center
Fairfield, California, United States
Kaiser Permanente - Fremont
Fremont, California, United States
Valley Medical Oncology
Fremont, California, United States
Cancer Care Associates
Fresno, California, United States
Virginia K. Crosson Cancer Center at St. Jude Medical Center
Fullerton, California, United States
Glendale Memorial Hospital Comprehensive Cancer Center
Glendale, California, United States
Marin Cancer Institute at Marin General Hospital
Greenbrae, California, United States
Sutter Health - Western Division Cancer Research Group
Greenbrae, California, United States
Kaiser Permanente Medical Center - Hayward
Hayward, California, United States
Scripps Cancer Center - San Diego
La Jolla, California, United States
Rebecca and John Moores UCSD Cancer Center
La Jolla, California, United States
Loma Linda University Cancer Institute at Loma Linda University Medical Center
Loma Linda, California, United States
Breastlink Medical Group, Incorporated at Long Beach Memorial Medical Center
Long Beach, California, United States
Pacific Shores Medical Group - Long Beach
Long Beach, California, United States
USC/Norris Comprehensive Cancer Center and Hospital
Los Angeles, California, United States
Jonsson Comprehensive Cancer Center at UCLA
Los Angeles, California, United States
Contra Costa Regional Medical Center
Martinez, California, United States
El Camino Hospital Cancer Center
Mountain View, California, United States
Highland General Hospital
Oakland, California, United States
Alta Bates Summit Medical Center - Summit Campus
Oakland, California, United States
Bay Area Breast Surgeons, Incorporated
Oakland, California, United States
CCOP - Bay Area Tumor Institute
Oakland, California, United States
Larry G Strieff MD Medical Corporation
Oakland, California, United States
Tom K Lee, Incorporated
Oakland, California, United States
Kaiser Permanente Medical Center - Oakland
Oakland, California, United States
Chao Family Comprehensive Cancer Center at University of California Irvine Medical Center
Orange, California, United States
St. Joseph Hospital Regional Cancer Center - Orange
Orange, California, United States
Desert Regional Medical Center Comprehensive Cancer Center
Palm Springs, California, United States
Valley Care Medical Center
Pleasanton, California, United States
Valley Medical Oncology Consultants - Pleasanton
Pleasanton, California, United States
Robert and Beverly Lewis Family Cancer Care Center at Pomona Valley Hospital Medical Center
Pomona, California, United States
Lucy Curci Cancer Center at Eisenhower Memorial Hospital and Medical Center
Rancho Mirage, California, United States
North Valley Breast Clinic
Redding, California, United States
Kaiser Permanente Medical Center - Redwood City
Redwood City, California, United States
Kaiser Permanente Medical Center - Richmond
Richmond, California, United States
Kaiser Permanente Medical Center - Roseville
Roseville, California, United States
Sutter Cancer Center at Roseville Medical Center
Roseville, California, United States
Sutter Cancer Center
Sacramento, California, United States
South Sacramento Kaiser-Permanente Medical Center
Sacramento, California, United States
Kaiser Permanente Medical Center - Sacramento
Sacramento, California, United States
Salinas Valley Memorial Hospital
Salinas, California, United States
Kaiser Permanente Medical Office -Vandever Medical Office
San Diego, California, United States
San Francisco General Hospital Medical Center
San Francisco, California, United States
Kaiser Permanente Medical Center - San Francisco Geary Campus
San Francisco, California, United States
California Pacific Medical Center - California Campus
San Francisco, California, United States
Kaiser Permanente Medical Center - Santa Teresa
San Jose, California, United States
Doctors Medical Center - San Pablo Campus
San Pablo, California, United States
Kaiser Foundation Hospital - San Rafael
San Rafael, California, United States
Kaiser Permanente Medical Center - Santa Clara Kiely Campus
Santa Clara, California, United States
Kaiser Permanente Medical Center - Santa Rosa
Santa Rosa, California, United States
Kaiser Permanente Medical Center - South San Francisco
South San Francisco, California, United States
Stanford Cancer Center
Stanford, California, United States
Kaiser Permanente Medical Facility - Stockton
Stockton, California, United States
Kaiser Permanente Medical Center - Vallejo
Vallejo, California, United States
Sutter Solano Medical Center
Vallejo, California, United States
Kaiser Permanente Medical Center - Walnut Creek
Walnut Creek, California, United States
John Muir/Mt. Diablo Comprehensive Cancer Center
Walnut Creek, California, United States
Aurora Presbyterian Hospital
Aurora, Colorado, United States
University of Colorado Cancer Center at UC Health Sciences Center
Aurora, Colorado, United States
Boulder Community Hospital
Boulder, Colorado, United States
Memorial Hospital Cancer Center - Colorado Springs
Colorado Springs, Colorado, United States
Penrose Cancer Center at Penrose Hospital
Colorado Springs, Colorado, United States
Denver Health Medical Center
Denver, Colorado, United States
St. Anthony Central Hospital
Denver, Colorado, United States
Porter Adventist Hospital
Denver, Colorado, United States
Presbyterian - St. Luke's Medical Center
Denver, Colorado, United States
St. Joseph Hospital
Denver, Colorado, United States
Rose Medical Center
Denver, Colorado, United States
Veterans Affairs Medical Center - Denver
Denver, Colorado, United States
CCOP - Colorado Cancer Research Program
Denver, Colorado, United States
Shaw Regional Cancer Center
Edwards, Colorado, United States
Swedish Medical Center
Englewood, Colorado, United States
Poudre Valley Hospital
Fort Collins, Colorado, United States
Front Range Cancer Specialists
Fort Collins, Colorado, United States
St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center
Grand Junction, Colorado, United States
North Colorado Medical Center
Greeley, Colorado, United States
Sky Ridge Medical Center
Lone Tree, Colorado, United States
Hope Cancer Care Center at Longmont United Hospital
Longmont, Colorado, United States
McKee Medical Center
Loveland, Colorado, United States
St. Mary - Corwin Regional Medical Center
Pueblo, Colorado, United States
North Suburban Medical Center
Thornton, Colorado, United States
Exempla Lutheran Medical Center
Wheat Ridge, Colorado, United States
Bridgeport Hospital
Bridgeport, Connecticut, United States
Bristol Hospital
Bristol, Connecticut, United States
Praxair Cancer Center at Danbury Hospital
Danbury, Connecticut, United States
Carole and Ray Neag Comprehensive Cancer Center at the University of Connecticut Health Center
Farmington, Connecticut, United States
Helen and Harry Gray Cancer Center at Hartford Hospital
Hartford, Connecticut, United States
Saint Francis/Mount Sinai Regional Cancer Center at Saint Francis Hospital and Medical Center
Hartford, Connecticut, United States
Middlesex Hospital Cancer Center
Middletown, Connecticut, United States
Norwalk Hospital
Norwalk, Connecticut, United States
Eastern Connecticut Hematology and Oncology Associates
Norwich, Connecticut, United States
Carl and Dorothy Bennett Cancer Center at Stamford Hospital
Stamford, Connecticut, United States
Connecticut Oncology & Hematology - Torrington
Torrington, Connecticut, United States
Harold Leever Regional Cancer Center
Waterbury, Connecticut, United States
Tunnell Cancer Center at Beebe Medical Center
Lewes, Delaware, United States
CCOP - Christiana Care Health Services
Newark, Delaware, United States
Lombardi Comprehensive Cancer Center at Georgetown University Medical Center
Washington D.C., District of Columbia, United States
Washington Cancer Institute at Washington Hospital Center
Washington D.C., District of Columbia, United States
Sibley Memorial Hospital
Washington D.C., District of Columbia, United States
Walter Reed Army Medical Center
Washington D.C., District of Columbia, United States
Eugene M. and Christine E. Lynn Cancer Institute at Boca Raton Community Hospital - West
Boca Raton, Florida, United States
Eugene M. and Christine E. Lynn Cancer Institute at Boca Raton Community Hospital - Main Campus
Boca Raton, Florida, United States
Morton Plant Hospital
Clearwater, Florida, United States
Herbert D. Kerman Regional Oncology Center - Daytona Beach
Daytona Beach, Florida, United States
North Broward Medical Center
Deerfield Beach, Florida, United States
Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital
Fort Lauderdale, Florida, United States
University of Florida Shands Cancer Center
Gainesville, Florida, United States
Memorial Cancer Institute at Memorial Regional Hospital
Hollywood, Florida, United States
Baptist Cancer Institute - Jacksonville
Jacksonville, Florida, United States
Center for Cancer Care and Research at Watson Clinic, LLP
Lakeland, Florida, United States
CCOP - Mount Sinai Medical Center
Miami Beach, Florida, United States
Integrated Community Oncology Network - Orange Park
Orange Park, Florida, United States
M.D. Anderson Cancer Center at Orlando
Orlando, Florida, United States
Florida Cancer Specialists - Sarasota Downtown
Sarasota, Florida, United States
Cleveland Clinic Florida - Weston
Weston, Florida, United States
Phoebe Cancer Center at Phoebe Putney Memorial Hospital
Albany, Georgia, United States
Northeast Georgia Cancer Care, LLC - Medical Oncology
Athens, Georgia, United States
Georgia Cancer Center for Excellence at Grady Memorial Hospital
Atlanta, Georgia, United States
Emory Crawford Long Hospital
Atlanta, Georgia, United States
Piedmont Hospital
Atlanta, Georgia, United States
Winship Cancer Institute of Emory University
Atlanta, Georgia, United States
Northside Hospital Cancer Center
Atlanta, Georgia, United States
Saint Joseph's Hospital of Atlanta
Atlanta, Georgia, United States
CCOP - Atlanta Regional
Atlanta, Georgia, United States
Augusta Oncology Associates - Walton Way
Augusta, Georgia, United States
MBCCOP - Medical College of Georgia Cancer Center
Augusta, Georgia, United States
WellStar Cobb Hospital
Austell, Georgia, United States
John B. Amos Cancer Center
Columbus, Georgia, United States
Charles B. Eberhart Cancer Center at DeKalb Medical Center
Decatur, Georgia, United States
Northeast Georgia Medical Center
Gainesville, Georgia, United States
Gwinnett Medical Center
Lawrenceville, Georgia, United States
Kennestone Cancer Center at Wellstar Kennestone Hospital
Marietta, Georgia, United States
Harbin Clinic Cancer Center - Medical Oncology
Rome, Georgia, United States
Curtis and Elizabeth Anderson Cancer Institute at Memorial Health University Medical Center
Savannah, Georgia, United States
Nancy N. and J. C. Lewis Cancer and Research Pavilion at St. Joseph's/Candler
Savannah, Georgia, United States
Cancer Research Center of Hawaii
Honolulu, Hawaii, United States
OnCare Hawaii, Incorporated - Lusitana
Honolulu, Hawaii, United States
Queen's Cancer Institute at Queen's Medical Center
Honolulu, Hawaii, United States
Straub Clinic and Hospital, Incorporated
Honolulu, Hawaii, United States
Hawaii Medical Center - East
Honolulu, Hawaii, United States
OnCare Hawaii, Incorporated - Kuakini
Honolulu, Hawaii, United States
Kapiolani Medical Center for Women and Children
Honolulu, Hawaii, United States
Maui Memorial Medical Center
Wailuku, Hawaii, United States
Pacific Cancer Institute - Maui
Wailuku, Hawaii, United States
Kapiolani Medical Center at Pali Momi
‘Aiea, Hawaii, United States
Saint Alphonsus Cancer Care Center at Saint Alphonsus Regional Medical Center
Boise, Idaho, United States
Mountain States Tumor Institute at St. Luke's Regional Medical Center
Boise, Idaho, United States
Kootenai Cancer Center - Coeur d'Alene
Coeur d'Alene, Idaho, United States
Saint Anthony's Hospital at Saint Anthony's Health Center
Alton, Illinois, United States
St. Joseph Medical Center
Bloomington, Illinois, United States
Graham Hospital
Canton, Illinois, United States
Rush University Medical Center
Chicago, Illinois, United States
Resurrection Medical Center
Chicago, Illinois, United States
University of Chicago Cancer Research Center
Chicago, Illinois, United States
Louis A. Weiss Memorial Hospital
Chicago, Illinois, United States
Creticos Cancer Center at Advocate Illinois Masonic Medical Center
Chicago, Illinois, United States
Decatur Memorial Hospital Cancer Care Institute
Decatur, Illinois, United States
Sherman Hospital
Elgin, Illinois, United States
Alexian Brothers Radiation Oncology
Elk Grove Village, Illinois, United States
Elmhurst Memorial Hospital
Elmhurst, Illinois, United States
Eureka Community Hospital
Eureka, Illinois, United States
Evanston Hospital
Evanston, Illinois, United States
Galesburg Clinic, PC
Galesburg, Illinois, United States
Galesburg Cottage Hospital
Galesburg, Illinois, United States
Mason District Hospital
Havana, Illinois, United States
Hinsdale Hematology Oncology Associates
Hinsdale, Illinois, United States
Provena St. Mary's Regional Cancer Center - Kankakee
Kankakee, Illinois, United States
La Grange Memorial Hospital
La Grange, Illinois, United States
McDonough District Hospital
Macomb, Illinois, United States
Cardinal Bernardin Cancer Center at Loyola University Medical Center
Maywood, Illinois, United States
Trinity Cancer Center at Trinity Medical Center - 7th Street Campus
Moline, Illinois, United States
Moline, Illinois, United States
OSF Holy Family Medical Center
Monmouth, Illinois, United States
Good Samaritan Regional Health Center
Mount Vernon, Illinois, United States
Edward Hospital Cancer Center
Naperville, Illinois, United States
Hematology Oncology Consultants - Naperville
Naperville, Illinois, United States
BroMenn Regional Medical Center
Normal, Illinois, United States
Community Cancer Center
Normal, Illinois, United States
Advocate Christ Medical Center
Oak Lawn, Illinois, United States
Community Hospital of Ottawa
Ottawa, Illinois, United States
Oncology Hematology Associates of Central Illinois, PC - Ottawa
Ottawa, Illinois, United States
Advocate Lutheran General Cancer Care Center
Park Ridge, Illinois, United States
Cancer Treatment Center at Pekin Hospital
Pekin, Illinois, United States
Proctor Hospital
Peoria, Illinois, United States
CCOP - Illinois Oncology Research Association
Peoria, Illinois, United States
Oncology Hematology Associates of Central Illinois, PC - Peoria
Peoria, Illinois, United States
Methodist Medical Center of Illinois
Peoria, Illinois, United States
OSF St. Francis Medical Center
Peoria, Illinois, United States
Illinois Valley Community Hospital
Peru, Illinois, United States
Perry Memorial Hospital
Princeton, Illinois, United States
Swedish-American Regional Cancer Center
Rockford, Illinois, United States
Center for Cancer Care at OSF Saint Anthony Medical Center
Rockford, Illinois, United States
St. Margaret's Hospital
Spring Valley, Illinois, United States
Regional Cancer Center at Memorial Medical Center
Springfield, Illinois, United States
Central Dupage Cancer Center
Winfield, Illinois, United States
St. Francis Hospital and Health Centers - Beech Grove Campus
Beech Grove, Indiana, United States
Elkhart General Hospital
Elkhart, Indiana, United States
Center for Cancer Care at Goshen General Hospital
Goshen, Indiana, United States
Community Regional Cancer Care at Community Hospital East
Indianapolis, Indiana, United States
Community Regional Cancer Care at Community Hospital North
Indianapolis, Indiana, United States
St. Vincent Indianapolis Hospital
Indianapolis, Indiana, United States
Howard Community Hospital
Kokomo, Indiana, United States
Center for Cancer Therapy at LaPorte Hospital and Health Services
La Porte, Indiana, United States
Horizon Oncology Center
Lafayette, Indiana, United States
Community Hospital
Munster, Indiana, United States
Reid Hospital & Health Care Services
Richmond, Indiana, United States
CCOP - Northern Indiana CR Consortium
South Bend, Indiana, United States
Memorial Hospital of South Bend
South Bend, Indiana, United States
Saint Joseph Regional Medical Center
South Bend, Indiana, United States
South Bend Clinic
South Bend, Indiana, United States
McFarland Clinic, PC
Ames, Iowa, United States
Hematology Oncology Associates of the Quad Cities
Bettendorf, Iowa, United States
Bettendorf, Iowa, United States
Iowa Blood and Cancer Care
Cedar Rapids, Iowa, United States
St. Luke's Hospital
Cedar Rapids, Iowa, United States
Cedar Rapids Oncology Associates
Cedar Rapids, Iowa, United States
Mercy Regional Cancer Center at Mercy Medical Center
Cedar Rapids, Iowa, United States
Heartland Oncology and Hematology
Council Bluffs, Iowa, United States
Genesis Regional Cancer Center at Genesis Medical Center
Davenport, Iowa, United States
Genesis Medical Center - West Campus
Davenport, Iowa, United States
Mercy Capitol Hospital
Des Moines, Iowa, United States
CCOP - Iowa Oncology Research Association
Des Moines, Iowa, United States
John Stoddard Cancer Center at Iowa Methodist Medical Center
Des Moines, Iowa, United States
Medical Oncology and Hematology Associates at Mercy Cancer Center
Des Moines, Iowa, United States
Mercy Cancer Center at Mercy Medical Center - Des Moines
Des Moines, Iowa, United States
John Stoddard Cancer Center at Iowa Lutheran Hospital
Des Moines, Iowa, United States
Holden Comprehensive Cancer Center at University of Iowa
Iowa City, Iowa, United States
McCreery Cancer Center at Ottumwa Regional
Ottumwa, Iowa, United States
Siouxland Hematology-Oncology Associates, LLP
Sioux City, Iowa, United States
Mercy Medical Center - Sioux City
Sioux City, Iowa, United States
St. Luke's Regional Medical Center
Sioux City, Iowa, United States
Cedar Valley Medical Specialists, PC - West Ridgeway Avenue
Waterloo, Iowa, United States
Covenant Cancer Treatment Center
Waterloo, Iowa, United States
Hospital District Sixth of Harper County
Anthony, Kansas, United States
Cancer Center of Kansas, PA - Chanute
Chanute, Kansas, United States
Cancer Center of Kansas, PA - Dodge City
Dodge City, Kansas, United States
Cancer Center of Kansas, PA - El Dorado
El Dorado, Kansas, United States
Cancer Center of Kansas - Fort Scott
Fort Scott, Kansas, United States
Cancer Center of Kansas-Independence
Independence, Kansas, United States
Cancer Center of Kansas, PA - Kingman
Kingman, Kansas, United States
Lawrence Memorial Hospital
Lawrence, Kansas, United States
Southwest Medical Center
Liberal, Kansas, United States
Cancer Center of Kansas, PA - Newton
Newton, Kansas, United States
Cancer Center of Kansas, PA - Parsons
Parsons, Kansas, United States
Mount Carmel Regional Cancer Center
Pittsburg, Kansas, United States
Cancer Center of Kansas, PA - Pratt
Pratt, Kansas, United States
Cancer Center of Kansas, PA - Salina
Salina, Kansas, United States
Cotton-O'Neil Cancer Center
Topeka, Kansas, United States
Cancer Center of Kansas, PA - Wellington
Wellington, Kansas, United States
Associates in Womens Health, PA - North Review
Wichita, Kansas, United States
Cancer Center of Kansas, PA - Medical Arts Tower
Wichita, Kansas, United States
Cancer Center of Kansas, PA - Wichita
Wichita, Kansas, United States
CCOP - Wichita
Wichita, Kansas, United States
Via Christi Cancer Center at Via Christi Regional Medical Center
Wichita, Kansas, United States
Cancer Center of Kansas, PA - Winfield
Winfield, Kansas, United States
Cancer Resource Center at King's Daughters Medical Center
Ashland, Kentucky, United States
Cancer Care at Our Lady of Bellefonte Hospital
Ashland, Kentucky, United States
Central Baptist Hospital
Lexington, Kentucky, United States
Lucille P. Markey Cancer Center at University of Kentucky
Lexington, Kentucky, United States
Louisville Oncology at Norton Cancer Institute - Louisville
Louisville, Kentucky, United States
Consultants in Blood Disorders and Cancer
Louisville, Kentucky, United States
Drs. Carrol, Sheth, Raghavan
Louisville, Kentucky, United States
Pennington Cancer Center at Baton Rouge General
Baton Rouge, Louisiana, United States
Mary Bird Perkins Cancer Center - Baton Rouge
Baton Rouge, Louisiana, United States
Ochsner Health Center - Bluebonnet
Baton Rouge, Louisiana, United States
Terrebonne General Medical Center
Houma, Louisiana, United States
Drs Gurtler Brinz and Russo APMC-Metairie Oncologists
Metairie, Louisiana, United States
MBCCOP - LSU Health Sciences Center
New Orleans, Louisiana, United States
Medical Center of Louisiana - New Orleans
New Orleans, Louisiana, United States
CCOP - Ochsner
New Orleans, Louisiana, United States
Ochsner Cancer Institute at Ochsner Clinic Foundation
New Orleans, Louisiana, United States
Christus Schumpert Cancer Treatment Center
Shreveport, Louisiana, United States
CancerCare of Maine at Eastern Maine Medical Center
Bangor, Maine, United States
Central Maine Comprehensive Cancer Center at Central Maine Medical Center
Lewiston, Maine, United States
Mercy Hospital
Portland, Maine, United States
York Hospital's Oncology Treatment Center
York Village, Maine, United States
Mercy Medical Center
Baltimore, Maryland, United States
Greater Baltimore Medical Center Cancer Center
Baltimore, Maryland, United States
St. Agnes Hospital Cancer Center
Baltimore, Maryland, United States
Harry & Jeanette Weinberg Cancer Institute at Franklin Square Hospital Center
Baltimore, Maryland, United States
Suburban Hospital
Bethesda, Maryland, United States
Shore Regional Cancer Center at Memorial Hospital - Easton
Easton, Maryland, United States
Union Hospital Cancer Program at Union Hospital
Elkton, Maryland, United States
Frederick Memorial Hospital Regional Cancer Therapy Center
Frederick, Maryland, United States
St. Mary's Hospital
Leonardtown, Maryland, United States
Peninsula Regional Medical Center
Salisbury, Maryland, United States
Sturdy Memorial Hospital
Attleboro, Massachusetts, United States
Tufts-NEMC Cancer Center
Boston, Massachusetts, United States
Boston University Cancer Research Center
Boston, Massachusetts, United States
Lahey Clinic Medical Center - Burlington
Burlington, Massachusetts, United States
Commonwealth Hematology-Oncology, PC - Concord
Concord, Massachusetts, United States
Commonwealth Hematology Oncology PC - Dorchester
Dorchester, Massachusetts, United States
Hudner Oncology Center at Saint Anne's Hospital - Fall River
Fall River, Massachusetts, United States
Simonds-Sinon Regional Cancer Center at HealthAlliance Hospital - Burbank Campus
Fitchburg, Massachusetts, United States
Addison Gilbert Hospital
Gloucester, Massachusetts, United States
Commonwealth Hematology-Oncology, PC - Lawrence
Lawrence, Massachusetts, United States
Commonwealth Hematology Oncology PC - Leominster
Leominster, Massachusetts, United States
Caritas Holy Family Hospital
Methuen, Massachusetts, United States
NSMC Cancer Center - Peabody
Peabody, Massachusetts, United States
Berkshire Hematology Oncology, PC
Pittsfield, Massachusetts, United States
Jordan Hospital Club Cancer Center
Plymouth, Massachusetts, United States
Commonwealth Hematology-Oncology, PC - Quincy
Quincy, Massachusetts, United States
Baystate Regional Cancer Program at D'Amour Center for Cancer Care
Springfield, Massachusetts, United States
Commonwealth Hematology-Oncology, PC - Stoneham
Stoneham, Massachusetts, United States
Commonwealth Hematology-Oncology, PC - Weymouth
Weymouth, Massachusetts, United States
Commonwealth Hematology-Oncology, PC - Worcester
Worcester, Massachusetts, United States
UMASS Memorial Cancer Center - University Campus
Worcester, Massachusetts, United States
Hickman Cancer Center at Bixby Medical Center
Adrian, Michigan, United States
Saint Joseph Mercy Cancer Center
Ann Arbor, Michigan, United States
CCOP - Michigan Cancer Research Consortium
Ann Arbor, Michigan, United States
Battle Creek Health System Cancer Care Center
Battle Creek, Michigan, United States
Bay Regional Medical Center
Bay City, Michigan, United States
Mecosta County Medical Center
Big Rapids, Michigan, United States
Oakwood Cancer Center at Oakwood Hospital and Medical Center
Dearborn, Michigan, United States
Barbara Ann Karmanos Cancer Institute
Detroit, Michigan, United States
Josephine Ford Cancer Center at Henry Ford Hospital
Detroit, Michigan, United States
Green Bay Oncology, Limited - Escanaba
Escanaba, Michigan, United States
Genesys Hurley Cancer Institute
Flint, Michigan, United States
Hurley Medical Center
Flint, Michigan, United States
Great Lakes Cancer Institute at McLaren Regional Medical Center
Flint, Michigan, United States
Butterworth Hospital at Spectrum Health
Grand Rapids, Michigan, United States
CCOP - Grand Rapids
Grand Rapids, Michigan, United States
Lacks Cancer Center at Saint Mary's Health Care
Grand Rapids, Michigan, United States
Van Elslander Cancer Center at St. John Hospital and Medical Center
Grosse Pointe Woods, Michigan, United States
Dickinson County Healthcare System
Iron Mountain, Michigan, United States
Foote Memorial Hospital
Jackson, Michigan, United States
Borgess Medical Center
Kalamazoo, Michigan, United States
West Michigan Cancer Center
Kalamazoo, Michigan, United States
Bronson Methodist Hospital
Kalamazoo, Michigan, United States
Haematology-Oncology Associates of Ohio and Michigan, PC
Lambertville, Michigan, United States
Breslin Cancer Center at Ingham Regional Medical Center
Lansing, Michigan, United States
Sparrow Regional Cancer Center
Lansing, Michigan, United States
Lapeer Regional Hospital
Lapeer, Michigan, United States
St. Mary Mercy Hospital
Livonia, Michigan, United States
Upper Michigan Cancer Center at Marquette General Hospital
Marquette, Michigan, United States
MidMichigan Medical Center - Midland
Midland, Michigan, United States
Community Cancer Center of Monroe
Monroe, Michigan, United States
Mercy Memorial Hospital - Monroe
Monroe, Michigan, United States
Clemens Regional Medical Center
Mount Clemens, Michigan, United States
Mercy General Health Partners
Muskegon, Michigan, United States
St. Joseph Mercy Oakland
Pontiac, Michigan, United States
Mercy Regional Cancer Center at Mercy Hospital
Port Huron, Michigan, United States
William Beaumont Hospital - Royal Oak Campus
Royal Oak, Michigan, United States
Seton Cancer Institute at Saint Mary's - Saginaw
Saginaw, Michigan, United States
Lakeland Regional Cancer Care Center - St. Joseph
Saint Joseph, Michigan, United States
Providence Cancer Institute at Providence Hospital - Southfield Campus
Southfield, Michigan, United States
Munson Medical Center
Traverse City, Michigan, United States
St. John Macomb Hospital
Warren, Michigan, United States
Metro Health Hospital
Wyoming, Michigan, United States
MeritCare Bemidji
Bemidji, Minnesota, United States
Fairview Ridges Hospital
Burnsville, Minnesota, United States
Mercy and Unity Cancer Center at Mercy Hospital
Coon Rapids, Minnesota, United States
Duluth Clinic Cancer Center - Duluth
Duluth, Minnesota, United States
CCOP - Duluth
Duluth, Minnesota, United States
Miller - Dwan Medical Center
Duluth, Minnesota, United States
St. Luke's Hospital Cancer Care Center
Duluth, Minnesota, United States
Fairview Southdale Hospital
Edina, Minnesota, United States
Mercy and Unity Cancer Center at Unity Hospital
Fridley, Minnesota, United States
Hutchinson Area Health Care
Hutchinson, Minnesota, United States
Immanuel St. Joseph's
Mankato, Minnesota, United States
HealthEast Cancer Care at St. John's Hospital
Maplewood, Minnesota, United States
Minnesota Oncology Hematology, PA - Maplewood
Maplewood, Minnesota, United States
Virginia Piper Cancer Institute at Abbott - Northwestern Hospital
Minneapolis, Minnesota, United States
Hennepin County Medical Center - Minneapolis
Minneapolis, Minnesota, United States
Hubert H. Humphrey Cancer Center at North Memorial Outpatient Center
Robbinsdale, Minnesota, United States
CCOP - Metro-Minnesota
Saint Louis Park, Minnesota, United States
Park Nicollet Cancer Center
Saint Louis Park, Minnesota, United States
Regions Hospital Cancer Care Center
Saint Paul, Minnesota, United States
United Hospital
Saint Paul, Minnesota, United States
St. Francis Cancer Center at St. Francis Medical Center
Shakopee, Minnesota, United States
Ridgeview Medical Center
Waconia, Minnesota, United States
Minnesota Oncology Hematology, PA - Woodbury
Woodbury, Minnesota, United States
Hattiesburg Clinic, PA at Forrest General
Hattiesburg, Mississippi, United States
Keesler Air Force Base Medical Center
Keesler Air Force Base, Mississippi, United States
Regional Cancer Center at Singing River Hospital
Pascagoula, Mississippi, United States
Saint Francis Medical Center
Cape Girardeau, Missouri, United States
Saint Luke's Hospital
Chesterfield, Missouri, United States
Ellis Fischel Cancer Center at University of Missouri - Columbia
Columbia, Missouri, United States
Freeman Cancer Institute at Freeman Health System
Joplin, Missouri, United States
St. John's Regional Medical Center
Joplin, Missouri, United States
Hulston Cancer Center at Cox Medical Center South
Springfield, Missouri, United States
Midwest Hematology Oncology Group, Incorporated
St Louis, Missouri, United States
Saint Louis University Cancer Center
St Louis, Missouri, United States
Siteman Cancer Center at Barnes-Jewish Hospital - Saint Louis
St Louis, Missouri, United States
St. Anthony's Cancer Center
St Louis, Missouri, United States
Missouri Baptist Cancer Center
St Louis, Missouri, United States
Arch Medical Services, Incorporated at Center for Cancer Care and Research
St Louis, Missouri, United States
CCOP - St. Louis-Cape Girardeau
St Louis, Missouri, United States
David C. Pratt Cancer Center at St. John's Mercy
St Louis, Missouri, United States
CCOP - Montana Cancer Consortium
Billings, Montana, United States
Hematology-Oncology Centers of the Northern Rockies - Billings
Billings, Montana, United States
Northern Rockies Radiation Oncology Center
Billings, Montana, United States
St. Vincent Healthcare Cancer Care Services
Billings, Montana, United States
Billings Clinic - Downtown
Billings, Montana, United States
Bozeman Deaconess Cancer Center
Bozeman, Montana, United States
St. James Healthcare Cancer Care
Butte, Montana, United States
Big Sky Oncology
Great Falls, Montana, United States
Sletten Cancer Institute at Benefis Healthcare
Great Falls, Montana, United States
Great Falls, Montana, United States
Northern Montana Hospital
Havre, Montana, United States
St. Peter's Hospital
Helena, Montana, United States
Glacier Oncology, PLLC
Kalispell, Montana, United States
Kalispell Medical Oncology at KRMC
Kalispell, Montana, United States
Kalispell Regional Medical Center
Kalispell, Montana, United States
Community Medical Center
Missoula, Montana, United States
Guardian Oncology and Center for Wellness
Missoula, Montana, United States
Montana Cancer Specialists at Montana Cancer Center
Missoula, Montana, United States
Montana Cancer Center at St. Patrick Hospital and Health Sciences Center
Missoula, Montana, United States
Saint Francis Cancer Treatment Center at Saint Francis Memorial Health Center
Grand Island, Nebraska, United States
Good Samaritan Cancer Center at Good Samaritan Hospital
Kearney, Nebraska, United States
Cancer Resource Center - Lincoln
Lincoln, Nebraska, United States
Callahan Cancer Center at Great Plains Regional Medical Center
North Platte, Nebraska, United States
CCOP - Missouri Valley Cancer Consortium
Omaha, Nebraska, United States
Methodist Estabrook Cancer Center
Omaha, Nebraska, United States
Immanuel Medical Center
Omaha, Nebraska, United States
Alegant Health Cancer Center at Bergan Mercy Medical Center
Omaha, Nebraska, United States
Creighton University Medical Center
Omaha, Nebraska, United States
UNMC Eppley Cancer Center at the University of Nebraska Medical Center
Omaha, Nebraska, United States
University Medical Center of Southern Nevada
Las Vegas, Nevada, United States
CCOP - Nevada Cancer Research Foundation
Las Vegas, Nevada, United States
New Hampshire Oncology - Hematology, PA at Payson Center for Cancer Care
Concord, New Hampshire, United States
Seacoast Cancer Center at Wentworth - Douglass Hospital
Dover, New Hampshire, United States
Center for Cancer Care at Exeter Hospital
Exeter, New Hampshire, United States
New Hampshire Oncology - Hematology, PA - Hooksett
Hooksett, New Hampshire, United States
Lakes Region General Hospital
Laconia, New Hampshire, United States
Portsmouth Regional Hospital
Portsmouth, New Hampshire, United States
Ocean Medical Center at Meridian Health
Brick, New Jersey, United States
Dizzy Gillespie Cancer Institute at Englewood Hospital and Medical Center
Englewood, New Jersey, United States
Hunterdon Regional Cancer Center at Hunterdon Medical Center
Flemington, New Jersey, United States
CentraState Medical Center
Freehold, New Jersey, United States
Cancer Institute of New Jersey at Hamilton
Hamilton, New Jersey, United States
St. Barnabas Medical Center Cancer Center
Livingston, New Jersey, United States
Fox Chase Virtua Health Cancer Program at Virtua Memorial Hospital Marlton
Marlton, New Jersey, United States
Saint Peter's University Hospital
New Brunswick, New Jersey, United States
Cancer Institute of New Jersey at UMDNJ - Robert Wood Johnson Medical School
New Brunswick, New Jersey, United States
Newark Beth Israel Medical Center
Newark, New Jersey, United States
AtlantiCare Cancer Care Institute at AtlantiCare Regional Medical Center - Mainland Campus
Pomona, New Jersey, United States
University Medical Center at Princeton
Princeton, New Jersey, United States
Booker Cancer Center at Riverview Medical Center
Red Bank, New Jersey, United States
Valley Hospital - Ridgewood
Ridgewood, New Jersey, United States
Somerset Medical Center
Somerville, New Jersey, United States
Frederick R. and Betty M. Smith Cancer Treatment Center
Sparta, New Jersey, United States
Capital Health Regional Cancer Center
Trenton, New Jersey, United States
St. Francis Regional Cancer Center
Trenton, New Jersey, United States
Franklin & Edith Scarpa Regional Cancer Center at South Jersey Healthcare
Vineland, New Jersey, United States
Cancer Institute of New Jersey at Cooper - Voorhees
Voorhees Township, New Jersey, United States
Fox Chase Virtua Health Cancer Program at Virtua West Jersey
Voorhees Township, New Jersey, United States
Lovelace Medical Center - Downtown
Albuquerque, New Mexico, United States
Hematology Oncology Associates, PC
Albuquerque, New Mexico, United States
New Mexico Cancer Center
Albuquerque, New Mexico, United States
University of New Mexico Cancer Center
Albuquerque, New Mexico, United States
New York Oncology Hematology, PC at Albany Regional Cancer Care
Albany, New York, United States
New York Oncology Hematology, PC at Albany Medical Center
Albany, New York, United States
Amsterdam Community Cancer Program
Amsterdam, New York, United States
Coney Island Hospital
Brooklyn, New York, United States
Roswell Park Cancer Institute
Buffalo, New York, United States
CCOP - Hematology-Oncology Associates of Central New York
East Syracuse, New York, United States
Adirondack Cancer Care - Glens Falls
Glens Falls, New York, United States
Charles R. Wood Cancer Center at Glens Falls Hospital
Glens Falls, New York, United States
New York Oncology Hematology, PC - Hudson
Hudson, New York, United States
Monter Cancer Center of the North Shore-LIJ Health System
Lake Success, New York, United States
New York Oncology Hematology, PC - Latham
Latham, New York, United States
CCOP - North Shore University Hospital
Manhasset, New York, United States
Don Monti Comprehensive Cancer Center at North Shore University Hospital
Manhasset, New York, United States
Northern Westchester Hospital
Mount Kisco, New York, United States
Long Island Jewish Medical Center
New Hyde Park, New York, United States
Herbert Irving Comprehensive Cancer Center at Columbia University Medical Center
New York, New York, United States
Dyson Center for Cancer Care at Vassar Brothers Medical Center
Poughkeepsie, New York, United States
Cancer Center of Poughkeepsie
Poughkeepsie, New York, United States
Hudson Valley Oncology Associates
Poughkeepsie, New York, United States
Saint Francis Hospital Cancer Center
Poughkeepsie, New York, United States
Riverview Cancer Care Medical Associates, PC
Rexford, New York, United States
Lipson Cancer and Blood Center at Rochester General Hospital
Rochester, New York, United States
Interlakes Oncology/Hematology PC
Rochester, New York, United States
James P. Wilmot Cancer Center at University of Rochester Medical Center
Rochester, New York, United States
Nalitt Cancer Institute at Staten Island University Hospital
Staten Island, New York, United States
Stony Brook University Cancer Center
Stony Brook, New York, United States
SUNY Upstate Medical University Hospital
Syracuse, New York, United States
Albert Einstein Cancer Center at Albert Einstein College of Medicine
The Bronx, New York, United States
Samaritan Hospital at Northeast Health
Troy, New York, United States
Dickstein Cancer Treatment Center at White Plains Hospital Center
White Plains, New York, United States
Randolph Hospital
Asheboro, North Carolina, United States
Hope A Women's Cancer Center
Asheville, North Carolina, United States
Mission Hospitals - Memorial Campus
Asheville, North Carolina, United States
Alamance Cancer Center at Alamance Regional Medical Center
Burlington, North Carolina, United States
Waverly Hematology Oncology
Cary, North Carolina, United States
Blumenthal Cancer Center at Carolinas Medical Center
Charlotte, North Carolina, United States
Presbyterian Cancer Center at Presbyterian Hospital
Charlotte, North Carolina, United States
Batte Cancer Center at Northeast Medical Center
Concord, North Carolina, United States
CaroMont Cancer Center at Gaston Memorial Hospital
Gastonia, North Carolina, United States
Wayne Memorial Hospital, Incorporated
Goldsboro, North Carolina, United States
Moses Cone Regional Cancer Center at Wesley Long Community Hospital
Greensboro, North Carolina, United States
Leo W. Jenkins Cancer Center at ECU Medical School
Greenville, North Carolina, United States
Pardee Memorial Hospital
Hendersonville, North Carolina, United States
High Point Regional Hospital
High Point, North Carolina, United States
Kinston Medical Specialists
Kinston, North Carolina, United States
Annie Penn Cancer Center
Reidsville, North Carolina, United States
Rutherford Hospital
Rutherfordton, North Carolina, United States
Iredell Memorial Hospital
Statesville, North Carolina, United States
Marion L. Shepard Cancer Center at Beaufort County Hospital
Washington, North Carolina, United States
Forsyth Regional Cancer Center at Forsyth Medical Center
Winston-Salem, North Carolina, United States
Wake Forest University Comprehensive Cancer Center
Winston-Salem, North Carolina, United States
Bismarck Cancer Center
Bismarck, North Dakota, United States
Medcenter One Hospital Cancer Care Center
Bismarck, North Dakota, United States
Mid Dakota Clinic, PC
Bismarck, North Dakota, United States
St. Alexius Medical Center Cancer Center
Bismarck, North Dakota, United States
Dakota Cancer Institute at Dakota Clinic - South University
Fargo, North Dakota, United States
CCOP - MeritCare Hospital
Fargo, North Dakota, United States
MeritCare Broadway
Fargo, North Dakota, United States
Altru Cancer Center at Altru Hospital
Grand Forks, North Dakota, United States
McDowell Cancer Center at Akron General Medical Center
Akron, Ohio, United States
Summa Center for Cancer Care at Akron City Hospital
Akron, Ohio, United States
Barberton Citizens Hospital
Barberton, Ohio, United States
Cleveland Clinic Beachwood Family Health and Surgery Center
Beachwood, Ohio, United States
Mary Rutan Hospital
Bellefontaine, Ohio, United States
Wood County Oncology Center
Bowling Green, Ohio, United States
Mercy Cancer Center at Mercy Medical Center
Canton, Ohio, United States
Aultman Cancer Center at Aultman Hospital
Canton, Ohio, United States
Adena Regional Medical Center
Chillicothe, Ohio, United States
Christ Hospital Cancer Center
Cincinnati, Ohio, United States
Oncology Hematology Care, Incorporated - Blue Ash
Cincinnati, Ohio, United States
Case Comprehensive Cancer Center
Cleveland, Ohio, United States
MetroHealth Cancer Care Center at MetroHealth Medical Center
Cleveland, Ohio, United States
Cleveland Clinic Cancer Center at Fairview Hospital
Cleveland, Ohio, United States
Cleveland Clinic Taussig Cancer Center
Cleveland, Ohio, United States
North Coast Cancer Care - Clyde
Clyde, Ohio, United States
Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center
Columbus, Ohio, United States
Riverside Methodist Hospital Cancer Care
Columbus, Ohio, United States
CCOP - Columbus
Columbus, Ohio, United States
Grant Medical Center Cancer Care
Columbus, Ohio, United States
Mount Carmel Health - West Hospital
Columbus, Ohio, United States
Doctors Hospital at Ohio Health
Columbus, Ohio, United States
Grandview Hospital
Dayton, Ohio, United States
Good Samaritan Hospital
Dayton, Ohio, United States
David L. Rike Cancer Center at Miami Valley Hospital
Dayton, Ohio, United States
Samaritan North Cancer Care Center
Dayton, Ohio, United States
CCOP - Dayton
Dayton, Ohio, United States
Grady Memorial Hospital
Delaware, Ohio, United States
Hematology Oncology Center
Elyria, Ohio, United States
Blanchard Valley Medical Associates
Findlay, Ohio, United States
Middletown Regional Hospital
Franklin, Ohio, United States
Wayne Hospital
Greenville, Ohio, United States
Cleveland Clinic Cancer Center
Independence, Ohio, United States
Charles F. Kettering Memorial Hospital
Kettering, Ohio, United States
Fairfield Medical Center
Lancaster, Ohio, United States
St. Rita's Medical Center
Lima, Ohio, United States
Lima Memorial Hospital
Lima, Ohio, United States
MedCentral - Mansfield Hospital
Mansfield, Ohio, United States
Strecker Cancer Center at Marietta Memorial Hospital
Marietta, Ohio, United States
Northwest Ohio Oncology Center
Maumee, Ohio, United States
St. Luke's Hospital
Maumee, Ohio, United States
Hillcrest Cancer Center at Hillcrest Hospital
Mayfield Heights, Ohio, United States
Licking Memorial Cancer Care Program at Licking Memorial Hospital
Newark, Ohio, United States
St. Charles Mercy Hospital
Oregon, Ohio, United States
Toledo Clinic - Oregon
Oregon, Ohio, United States
Cancer Care Center, Incorporated
Salem, Ohio, United States
North Coast Cancer Care, Incorporated
Sandusky, Ohio, United States
Mercy Medical Center
Springfield, Ohio, United States
Community Hospital of Springfield and Clark County
Springfield, Ohio, United States
Flower Hospital Cancer Center
Sylvania, Ohio, United States
Mercy Hospital of Tiffin
Tiffin, Ohio, United States
Toledo Hospital
Toledo, Ohio, United States
St. Vincent Mercy Medical Center
Toledo, Ohio, United States
Medical University of Ohio Cancer Center
Toledo, Ohio, United States
CCOP - Toledo Community Hospital
Toledo, Ohio, United States
St. Anne Mercy Hospital
Toledo, Ohio, United States
Toledo Clinic, Incorporated - Main Clinic
Toledo, Ohio, United States
UVMC Cancer Care Center at Upper Valley Medical Center
Troy, Ohio, United States
Fulton County Health Center
Wauseon, Ohio, United States
Mount Carmel St. Ann's Cancer Center
Westerville, Ohio, United States
Clinton Memorial Hospital
Wilmington, Ohio, United States
Cancer Treatment Center
Wooster, Ohio, United States
Cleveland Clinic - Wooster
Wooster, Ohio, United States
United States Air Force Medical Center - Wright-Patterson
Wright-Patterson Air Force Base, Ohio, United States
Ruth G. McMillan Cancer Center at Greene Memorial Hospital
Xenia, Ohio, United States
Genesis - Good Samaritan Hospital
Zanesville, Ohio, United States
Cleo Craig Cancer Research Clinic
Lawton, Oklahoma, United States
Natalie Warren Bryant Cancer Center at St. Francis Hospital
Tulsa, Oklahoma, United States
St. Charles Medical Center - Bend
Bend, Oregon, United States
Bay Area Hospital
Coos Bay, Oregon, United States
Three Rivers Community Hospital
Grants Pass, Oregon, United States
Legacy Mount Hood Medical Center
Gresham, Oregon, United States
Dubs Cancer Center at Rogue Valley Medical Center
Medford, Oregon, United States
Providence Cancer Center at PMCC
Medford, Oregon, United States
Providence Milwaukie Hospital
Milwaukie, Oregon, United States
Legacy Good Samaritan Hospital & Comprehensive Cancer Center
Portland, Oregon, United States
Providence Cancer Center at Providence Portland Medical Center
Portland, Oregon, United States
CCOP - Columbia River Oncology Program
Portland, Oregon, United States
Providence St. Vincent Medical Center
Portland, Oregon, United States
Legacy Emanuel Hospital and Health Center and Children's Hospital
Portland, Oregon, United States
Northwest Cancer Specialists at Rose Quarter Cancer Center
Portland, Oregon, United States
Kaiser Permanente Health Care - Portland
Portland, Oregon, United States
Knight Cancer Institute at Oregon Health and Science University
Portland, Oregon, United States
Salem Hospital Regional Cancer Care Services
Salem, Oregon, United States
Legacy Meridian Park Hospital
Tualatin, Oregon, United States
Sacred Heart Hospital
Allentown, Pennsylvania, United States
Morgan Cancer Center at Lehigh Valley Hospital - Cedar Crest
Allentown, Pennsylvania, United States
St. Luke's Cancer Network at St. Luke's Hospital
Bethlehem, Pennsylvania, United States
Bryn Mawr Hospital
Bryn Mawr, Pennsylvania, United States
Geisinger Cancer Institute at Geisinger Health
Danville, Pennsylvania, United States
Mercy Fitzgerald Hospital
Darby, Pennsylvania, United States
Oncology Hematology Associates of Northern Pennsylvania, PC at Hahne Regional Cancer Center
DuBois, Pennsylvania, United States
Dale and Frances Hughes Cancer Center at Pocono Medical Center
East Stroudsburg, Pennsylvania, United States
Geisinger Hazleton Cancer Center
Hazleton, Pennsylvania, United States
Penn State Cancer Institute at Milton S. Hershey Medical Center
Hershey, Pennsylvania, United States
Lancaster General Hospital
Lancaster, Pennsylvania, United States
St. Mary Regional Cancer Center
Langhorne, Pennsylvania, United States
Charles A. & Betty Bott Cancer Center at Holy Redeemer Hospital
Meadowbrook, Pennsylvania, United States
Riddle Memorial Hospital Cancer Center
Media, Pennsylvania, United States
Cancer Center of Paoli Memorial Hospital
Paoli, Pennsylvania, United States
Abramson Cancer Center of the University of Pennsylvania
Philadelphia, Pennsylvania, United States
Kimmel Cancer Center at Thomas Jefferson University - Philadelphia
Philadelphia, Pennsylvania, United States
Frankford Hospital Cancer Center - Torresdale Campus
Philadelphia, Pennsylvania, United States
Albert Einstein Cancer Center
Philadelphia, Pennsylvania, United States
Cancer Center at Phoenixville Hospital
Phoenixville, Pennsylvania, United States
Allegheny Cancer Center at Allegheny General Hospital
Pittsburgh, Pennsylvania, United States
Western Pennsylvania Cancer Institute at Western Pennsylvania Hospital
Pittsburgh, Pennsylvania, United States
UPMC Cancer Centers
Pittsburgh, Pennsylvania, United States
St. Joseph Medical Center
Reading, Pennsylvania, United States
McGlinn Family Regional Cancer Center at Reading Hospital and Medical Center
Reading, Pennsylvania, United States
Mercy Hospital Cancer Center - Scranton
Scranton, Pennsylvania, United States
Hematology and Oncology Associates of Northeastern Pennsylvania
Scranton, Pennsylvania, United States
Geisinger Medical Group - Scenery Park
State College, Pennsylvania, United States
Associates in Hematology-Oncology, PC at Crozer Regional Cancer Center
Upland, Pennsylvania, United States
Chester County Hospital
West Chester, Pennsylvania, United States
Jennersville Regional Hospital
West Grove, Pennsylvania, United States
Frank M. and Dorothea Henry Cancer Center at Geisinger Wyoming Valley Medical Center
Wilkes-Barre, Pennsylvania, United States
CCOP - Main Line Health
Wynnewood, Pennsylvania, United States
Lankenau Cancer Center at Lankenau Hospital
Wynnewood, Pennsylvania, United States
York Cancer Center at Apple Hill Medical Center
York, Pennsylvania, United States
Rhode Island Hospital Comprehensive Cancer Center
Providence, Rhode Island, United States
Women and Infants Hospital of Rhode Island
Providence, Rhode Island, United States
Miriam Hospital
Providence, Rhode Island, United States
AnMed Cancer Center
Anderson, South Carolina, United States
Roper St. Francis Cancer Center at Roper Hospital
Charleston, South Carolina, United States
Hollings Cancer Center at Medical University of South Carolina
Charleston, South Carolina, United States
McLeod Regional Medical Center
Florence, South Carolina, United States
Georgetown Memorial Hospital
Georgetown, South Carolina, United States
CCOP - Greenville
Greenville, South Carolina, United States
Carolina Blood and Cancer Care Associates, PA
Lancaster, South Carolina, United States
Carolina Blood and Cancer Care
Rock Hill, South Carolina, United States
CCOP - Upstate Carolina
Spartanburg, South Carolina, United States
Gibbs Regional Cancer Center at Spartanburg Regional Medical Center
Spartanburg, South Carolina, United States
Lexington Medical Center
West Columbia, South Carolina, United States
Rapid City Regional Hospital
Rapid City, South Dakota, United States
Avera Cancer Institute
Sioux Falls, South Dakota, United States
Medical X-Ray Center, PC
Sioux Falls, South Dakota, United States
Sanford Cancer Center at Sanford USD Medical Center
Sioux Falls, South Dakota, United States
Christine LaGuardia Phillips Cancer Center at Wellmont Holston Valley Medical Center
Kingsport, Tennessee, United States
Thompson Cancer Survival Center
Knoxville, Tennessee, United States
U.T. Medical Center Cancer Institute
Knoxville, Tennessee, United States
University of Tennessee Cancer Institute - Memphis
Memphis, Tennessee, United States
Southwest Regional Cancer Center - Central
Austin, Texas, United States
Texas Oncology, PA at Texas Oncology Cancer Center - Central
Austin, Texas, United States
Texas Oncology, PA - Austin Northwest
Austin, Texas, United States
Texas Oncology, PA - Austin North
Austin, Texas, United States
St. Joseph Regional Cancer Center
Bryan, Texas, United States
Texas Oncology, PA - Cedar Park
Cedar Park, Texas, United States
Medical City Dallas Hospital
Dallas, Texas, United States
Presbyterian Hospital of Dallas
Dallas, Texas, United States
M. D. Anderson Cancer Center at University of Texas
Houston, Texas, United States
Baylor University Medical Center - Houston
Houston, Texas, United States
Joe Arrington Cancer Research and Treatment Center
Lubbock, Texas, United States
UMC Southwest Cancer and Research Center
Lubbock, Texas, United States
Texas Oncology, PA - Seton Williamson
Round Rock, Texas, United States
Texas Oncology, PA at Texas Cancer Center Round Rock
Round Rock, Texas, United States
University of Texas Health Science Center at San Antonio
San Antonio, Texas, United States
Texas Oncology, PA - San Marcos
San Marcos, Texas, United States
American Fork Hospital
American Fork, Utah, United States
Sandra L. Maxwell Cancer Center
Cedar City, Utah, United States
Logan Regional Hospital
Logan, Utah, United States
Jon and Karen Huntsman Cancer Center at Intermountain Medical Center
Murray, Utah, United States
Val and Ann Browning Cancer Center at McKay-Dee Hospital Center
Ogden, Utah, United States
Utah Valley Regional Medical Center - Provo
Provo, Utah, United States
LDS Hospital
Salt Lake City, Utah, United States
Utah Cancer Specialists at UCS Cancer Center
Salt Lake City, Utah, United States
Dixie Regional Medical Center - East Campus
St. George, Utah, United States
Mountainview Medical
Berlin Corners, Vermont, United States
Fletcher Allen Health Care - University Health Center Campus
Burlington, Vermont, United States
Fredericksburg Oncology, Incorporated
Fredericksburg, Virginia, United States
Lynchburg Hematology-Oncology Clinic
Lynchburg, Virginia, United States
Southwest Virginia Regional Cancer Center at Wellmonth Health
Norton, Virginia, United States
Virginia Commonwealth University Massey Cancer Center
Richmond, Virginia, United States
Carilion Cancer Center of Western Virginia
Roanoke, Virginia, United States
Auburn Regional Center for Cancer Care
Auburn, Washington, United States
Overlake Cancer Center at Overlake Hospital Medical Center
Bellevue, Washington, United States
St. Joseph Cancer Center
Bellingham, Washington, United States
Olympic Hematology and Oncology
Bremerton, Washington, United States
Providence Centralia Hospital
Centralia, Washington, United States
St. Francis Hospital
Federal Way, Washington, United States
Cascade Cancer Center at Evergreen Hospital Medical Center
Kirkland, Washington, United States
Providence St. Peter Hospital Regional Cancer Center
Olympia, Washington, United States
Good Samaritan Cancer Center
Puyallup, Washington, United States
Valley Medical Center
Renton, Washington, United States
CCOP - Virginia Mason Research Center
Seattle, Washington, United States
Fred Hutchinson Cancer Research Center
Seattle, Washington, United States
Group Health Central Hospital
Seattle, Washington, United States
Swedish Cancer Institute at Swedish Medical Center - First Hill Campus
Seattle, Washington, United States
Rockwood Clinic Cancer Treatment Center
Spokane, Washington, United States
Cancer Care Northwest - North
Spokane, Washington, United States
Franciscan Cancer Center at St. Joseph Medical Center
Tacoma, Washington, United States
Allenmore Hospital
Tacoma, Washington, United States
CCOP - Northwest
Tacoma, Washington, United States
MultiCare Regional Cancer Center at Tacoma General Hospital
Tacoma, Washington, United States
Madigan Army Medical Center - Tacoma
Tacoma, Washington, United States
St. Clare Hospital
Tacoma, Washington, United States
Southwest Washington Medical Center Cancer Center
Vancouver, Washington, United States
St. Mary Regional Cancer Center at St. Mary Medical Center
Walla Walla, Washington, United States
Wenatchee Valley Medical Center
Wenatchee, Washington, United States
North Star Lodge Cancer Center at Yakima Valley Memorial Hospital
Yakima, Washington, United States
Washington Hematology-Oncology Specialists
Yakima, Washington, United States
West Virginia University Health Sciences Center - Charleston
Charleston, West Virginia, United States
United Hospital Center
Clarksburg, West Virginia, United States
Edwards Comprehensive Cancer Center at Cabell Huntington Hospital
Huntington, West Virginia, United States
St. Mary's Regional Cancer Center at St. Mary's Medical Center
Huntington, West Virginia, United States
Mary Babb Randolph Cancer Center at West Virginia University Hospitals
Morgantown, West Virginia, United States
Community Comprehensive Cancer Center at Camden-Clark Memorial Hospital
Parkersburg, West Virginia, United States
Schiffler Cancer Center at Wheeling Hospital
Wheeling, West Virginia, United States
Marshfield Clinic - Chippewa Center
Chippewa Falls, Wisconsin, United States
Marshfield Clinic Cancer Care at Regional Cancer Center
Eau Claire, Wisconsin, United States
Luther Midlelfort Hospital
Eau Claire, Wisconsin, United States
Midelfort Clinic - Luther
Eau Claire, Wisconsin, United States
Vince Lombardi Cancer Center at Aurora Lakeland Medical Center - Elkhorn
Elkhorn, Wisconsin, United States
Oncology Alliance, SC - Milwaukee - East
Glendale, Wisconsin, United States
Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center
Green Bay, Wisconsin, United States
Green Bay Oncology, Limited at St. Mary's Hospital
Green Bay, Wisconsin, United States
St. Mary's Hospital Medical Center - Green Bay
Green Bay, Wisconsin, United States
St. Vincent Hospital Regional Cancer Center
Green Bay, Wisconsin, United States
Vince Lombardi Cancer Clinic - Green Bay at Aurora BayCare Medical Center
Green Bay, Wisconsin, United States
Mercy Regional Cancer Center
Janesville, Wisconsin, United States
Gundersen Lutheran Center for Cancer and Blood
La Crosse, Wisconsin, United States
Dean Medical Center - Madison
Madison, Wisconsin, United States
Holy Family Memorial Medical Center Cancer Care Center
Manitowoc, Wisconsin, United States
Bay Area Cancer Care Center at Bay Area Medical Center
Marinette, Wisconsin, United States
Vince Lombardi Cancer Clinic - Marinette
Marinette, Wisconsin, United States
Marshfield Clinic - Marshfield Center
Marshfield, Wisconsin, United States
Saint Joseph's Hospital
Marshfield, Wisconsin, United States
Columbia Saint Mary's Hospital - Ozaukee
Mequon, Wisconsin, United States
Aurora Sinai Medical Center
Milwaukee, Wisconsin, United States
Columbia-Saint Mary's Cancer Care Center
Milwaukee, Wisconsin, United States
Medical Consultants, Limited
Milwaukee, Wisconsin, United States
Medical College of Wisconsin Cancer Center
Milwaukee, Wisconsin, United States
Marshfield Clinic - Lakeland Center
Minocqua, Wisconsin, United States
Regional Cancer Center at Oconomowoc Memorial Hospital
Oconomowoc, Wisconsin, United States
Green Bay Oncology, Limited - Oconto Falls
Oconto Falls, Wisconsin, United States
Vince Lombardi Cancer Clinic - Oshkosh
Oshkosh, Wisconsin, United States
All Saints Cancer Center at Wheaton Franciscan Healthcare
Racine, Wisconsin, United States
Ministry Medical Group at Saint Mary's Hospital
Rhinelander, Wisconsin, United States
Marshfield Clinic - Indianhead Center
Rice Lake, Wisconsin, United States
Vince Lombardi Cancer Clinic - Sheboygan
Sheboygan, Wisconsin, United States
Saint Michael's Hospital Cancer Center
Stevens Point, Wisconsin, United States
Green Bay Oncology, Limited - Sturgeon Bay
Sturgeon Bay, Wisconsin, United States
Vince Lombardi Cancer Clinic - Two Rivers
Two Rivers, Wisconsin, United States
Waukesha Memorial Hospital Regional Cancer Center
Waukesha, Wisconsin, United States
Marshfield Clinic - Wausau Center
Wausau, Wisconsin, United States
University of Wisconcin Cancer Center at Aspirus Wausau Hospital
Wausau, Wisconsin, United States
Aurora Women's Pavilion of West Allis Memorial Hospital
West Allis, Wisconsin, United States
Diagnostic and Treatment Center
Weston, Wisconsin, United States
Marshfield Clinic - Weston Center
Weston, Wisconsin, United States
Marshfield Clinic - Wisconsin Rapids Center
Wisconsin Rapids, Wisconsin, United States
Riverview UW Cancer Center at Riverview Hospital
Wisconsin Rapids, Wisconsin, United States
Welch Cancer Center at Sheridan Memorial Hospital
Sheridan, Wyoming, United States
British Columbia Cancer Agency - Centre for the Southern Interior
Kelowna, British Columbia, Canada
BCCA - Fraser Valley Cancer Centre
Surrey, British Columbia, Canada
British Columbia Cancer Agency - Vancouver Cancer Centre
Vancouver, British Columbia, Canada
British Columbia Cancer Agency - Vancouver Island Centre
Victoria, British Columbia, Canada
CancerCare Manitoba
Winnipeg, Manitoba, Canada
Northeastern Ontario Regional Cancer Centre
Greater Sudbury, Ontario, Canada
Cancer Centre of Southeastern Ontario at Kingston General Hospital
Kingston, Ontario, Canada
Carlo Fidani Peel Regional Cancer Centre at Credit Valley Hospital
Mississauga, Ontario, Canada
Cancer Care Program at Thunder Bay Regional Health Sciences
Thunder Bay, Ontario, Canada
Mount Sinai Hospital - Toronto
Toronto, Ontario, Canada
Princess Margaret Hospital
Toronto, Ontario, Canada
Hopital Notre-Dame du CHUM
Montreal, Quebec, Canada
CHUM - Hotel Dieu Hospital
Montreal, Quebec, Canada
CHUM - Hopital Saint-Luc
Montreal, Quebec, Canada
Royal Victoria Hospital - Montreal
Montreal, Quebec, Canada
Jewish General Hospital - Montreal
Montreal, Quebec, Canada
St. Mary's Hospital Center
Montreal, Quebec, Canada
Hopital du Saint-Sacrement - Quebec
Québec, Quebec, Canada
Cork University Hospital
Cork, , Ireland
South Infirmary Victoria Hospital
Cork, , Ireland
Beaumont Hospital
Dublin, , Ireland
Adelaide and Meath Hospital, Dublin Incorporating the National Children's Hospital
Dublin, , Ireland
St. Vincent's University Hospital
Dublin, , Ireland
Mater Misericordiae University Hospital
Dublin, , Ireland
St. James's Hospital
Dublin, , Ireland
University College Hospital
Galway, , Ireland
Mid-Western Cancer Centre at Mid-Western Regional Hospital
Limerick, , Ireland
Sligo General Hospital
Sligo, , Ireland
Waterford Regional Hospital
Waterford, , Ireland
Countries
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References
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Mamounas EP, Lembersky B, Jeong JH, Cronin W, Harkins B, Geyer C, Wickerham DL, Paik S, Costantino J, Wolmark N. NSABP B-42: a clinical trial to determine the efficacy of five years of letrozole compared with placebo in patients completing five years of hormonal therapy consisting of an aromatase inhibitor (AI) or tamoxifen followed by an AI in prolonging disease-free survival in postmenopausal women with hormone receptor-positive breast cancer. Clin Breast Cancer. 2006 Dec;7(5):416-21. doi: 10.3816/CBC.2006.n.061. No abstract available.
Rastogi P, Bandos H, Lucas PC, van 't Veer LJ, Wei JJ, Geyer CE Jr, Fehrenbacher L, Chia SKL, Brufsky AM, Walshe JM, Soori GS, Dakhil SR, Paik S, Swain SM, Menicucci AR, Audeh MW, Wolmark N, Mamounas EP. Utility of the 70-Gene MammaPrint Assay for Prediction of Benefit From Extended Letrozole Therapy in the NRG Oncology/NSABP B-42 Trial. J Clin Oncol. 2024 Oct 20;42(30):3561-3569. doi: 10.1200/JCO.23.01995. Epub 2024 Jul 24.
Mamounas EP, Bandos H, Lembersky BC, Jeong JH, Geyer CE Jr, Rastogi P, Fehrenbacher L, Graham ML, Chia SK, Brufsky AM, Walshe JM, Soori GS, Dakhil SR, Seay TE, Wade JL 3rd, McCarron EC, Paik S, Swain SM, Wickerham DL, Wolmark N. Use of letrozole after aromatase inhibitor-based therapy in postmenopausal breast cancer (NRG Oncology/NSABP B-42): a randomised, double-blind, placebo-controlled, phase 3 trial. Lancet Oncol. 2019 Jan;20(1):88-99. doi: 10.1016/S1470-2045(18)30621-1. Epub 2018 Nov 30.
Related Links
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Data Available: Select individual patient-level data from this trial can be requested from the NCTN/NCORP Data Archive
Other Identifiers
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NSABP B-42
Identifier Type: -
Identifier Source: org_study_id
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