ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

Tamoxifen Citrate in Treating Patients With Metastatic or Recurrent Breast Cancer

ClinicalTrials.gov ID: NCT01124695

Public ClinicalTrials.gov record NCT01124695. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 5, 2026, 10:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase II Prospective Trial Correlating Progression Free Survival With CYP2D6 Activity in Patients With Metastatic Breast Cancer Treated With Single Agent Tamoxifen

Study identification

NCT ID
NCT01124695
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Enrollment
124 participants

Conditions and interventions

Interventions

  • tamoxifen Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 6, 2011
Primary completion
Nov 29, 2020
Completion
Nov 30, 2022
Last update posted
Jun 28, 2023

2011 – 2022

United States locations

U.S. sites
292
U.S. states
37
U.S. cities
206
Facility City State ZIP Site status
UAB Comprehensive Cancer Center Birmingham Alabama 35294
University of South Alabama Mitchell Cancer Institute Mobile Alabama 36604
Hembree Mercy Cancer Center at St. Edward Mercy Medical Center Fort Smith Arkansas 72903
Tibotec Therapeutics - Division of Ortho Biotech Products, LP Marysville California 95901
Mercy Cancer Center at Mercy Medical Center Merced California 95340
Camino Medical Group - Treatment Center Mountain View California 94040
St. Joseph Hospital Regional Cancer Center - Orange Orange California 92868
Palo Alto Medical Foundation Palo Alto California 94301
Valley Medical Oncology Consultants - Pleasanton Pleasanton California 94588
University of California Davis Cancer Center Sacramento California 95817
Tahoe Forest Cancer Center Truckee California 96161
Aurora Presbyterian Hospital Aurora Colorado 80012
Boulder Community Hospital Boulder Colorado 80301-9019
Penrose Cancer Center at Penrose Hospital Colorado Springs Colorado 80933
St. Anthony Central Hospital Denver Colorado 80204
Porter Adventist Hospital Denver Colorado 80210
Presbyterian - St. Luke's Medical Center Denver Colorado 80218
St. Joseph Hospital Denver Colorado 80218
Rose Medical Center Denver Colorado 80220
CCOP - Colorado Cancer Research Program Denver Colorado 80222
Swedish Medical Center Englewood Colorado 80110
St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center Grand Junction Colorado 81502
North Colorado Medical Center Greeley Colorado 80631
Littleton Adventist Hospital Littleton Colorado 80122
Sky Ridge Medical Center Lone Tree Colorado 80124
Hope Cancer Care Center at Longmont United Hospital Longmont Colorado 80501
McKee Medical Center Loveland Colorado 80539
Parker Adventist Hospital Parker Colorado 80138
St. Mary - Corwin Regional Medical Center Pueblo Colorado 81004
North Suburban Medical Center Thornton Colorado 80229
Exempla Lutheran Medical Center Wheat Ridge Colorado 80033
Middlesex Hospital Cancer Center Middletown Connecticut 06457
Yale Cancer Center New Haven Connecticut 06520-8028
Tunnell Cancer Center at Beebe Medical Center Lewes Delaware 19958
CCOP - Christiana Care Health Services Newark Delaware 19713
Lombardi Comprehensive Cancer Center at Georgetown University Medical Center Washington D.C. District of Columbia 20007
Washington Cancer Institute at Washington Hospital Center Washington D.C. District of Columbia 20010
Broward General Medical Center Cancer Center Fort Lauderdale Florida 33316
Nancy N. and J. C. Lewis Cancer and Research Pavilion at St. Joseph's/Candler Savannah Georgia 31405
Cancer Research Center of Hawaii Honolulu Hawaii 96813
OnCare Hawaii, Incorporated - Lusitana Honolulu Hawaii 96813
Queen's Cancer Institute at Queen's Medical Center Honolulu Hawaii 96813
Straub Clinic and Hospital, Incorporated Honolulu Hawaii 96813
Hawaii Medical Center - East Honolulu Hawaii 96817
OnCare Hawaii, Incorporated - Kuakini Honolulu Hawaii 96817
Kapiolani Medical Center for Women and Children Honolulu Hawaii 96826
Kauai Medical Clinic Lihue Hawaii 96766
Maui Memorial Medical Center Wailuku Hawaii 96793
Pacific Cancer Institute - Maui Wailuku Hawaii 96793
Kapiolani Medical Center at Pali Momi ‘Aiea Hawaii 96701
Louis A. Weiss Memorial Hospital Chicago Illinois 60640
Decatur Memorial Hospital Cancer Care Institute Decatur Illinois 62526
Elmhurst Memorial Hospital Elmhurst Illinois 60126
La Grange Memorial Hospital La Grange Illinois 60525
West Suburban Center for Cancer Care River Forest Illinois 60305
St. Francis Hospital and Health Centers - Beech Grove Campus Beech Grove Indiana 46107
Elkhart Clinic, LLC Elkhart Indiana 46514-2098
Michiana Hematology-Oncology, PC - Elkhart Elkhart Indiana 46514
Elkhart General Hospital Elkhart Indiana 46515
William N. Wishard Memorial Hospital Indianapolis Indiana 46202
Howard Community Hospital Kokomo Indiana 46904
Center for Cancer Therapy at LaPorte Hospital and Health Services La Porte Indiana 46350
Michiana Hematology-Oncology, PC - South Bend Mishawaka Indiana 46545-1470
Saint Joseph Regional Medical Center Mishawaka Indiana 46545-1470
Cancer Center at Ball Memorial Hospital Muncie Indiana 47303-3499
Michiana Hematology Oncology PC - Plymouth Plymouth Indiana 46563
Reid Hospital & Health Care Services Richmond Indiana 47374
CCOP - Northern Indiana CR Consortium South Bend Indiana 46601
Memorial Hospital of South Bend South Bend Indiana 46601
Michiana Hematology Oncology PC - La Porte Westville Indiana 46391
McFarland Clinic, PC Ames Iowa 50010
Medical Oncology and Hematology Associates - West Des Moines Clive Iowa 50325
Mercy Cancer Center - West Lakes Clive Iowa 50325
CCOP - Iowa Oncology Research Association Des Moines Iowa 50309
John Stoddard Cancer Center at Iowa Methodist Medical Center Des Moines Iowa 50309
Medical Oncology and Hematology Associates at John Stoddard Cancer Center Des Moines Iowa 50309
Medical Oncology and Hematology Associates at Mercy Cancer Center Des Moines Iowa 50314
Mercy Cancer Center at Mercy Medical Center - Des Moines Des Moines Iowa 50314
John Stoddard Cancer Center at Iowa Lutheran Hospital Des Moines Iowa 50316
Siouxland Hematology-Oncology Associates, LLP Sioux City Iowa 51101
Mercy Medical Center - Sioux City Sioux City Iowa 51102
St. Luke's Regional Medical Center Sioux City Iowa 51104
Methodist West Hospital West Des Moines Iowa 50266-7700
Cancer Center of Kansas, PA - Chanute Chanute Kansas 66720
Cancer Center of Kansas, PA - Dodge City Dodge City Kansas 67801
Cancer Center of Kansas, PA - El Dorado El Dorado Kansas 67042
Cancer Center of Kansas - Fort Scott Fort Scott Kansas 66701
Cancer Center of Kansas-Independence Independence Kansas 67301
Cancer Center of Kansas, PA - Kingman Kingman Kansas 67068
Lawrence Memorial Hospital Lawrence Kansas 66044
Cancer Center of Kansas, PA - Liberal Liberal Kansas 67901
Cancer Center of Kansas, PA - McPherson McPherson Kansas 67460
Cancer Center of Kansas, PA - Newton Newton Kansas 67114
Cancer Center of Kansas, PA - Parsons Parsons Kansas 67357
Cancer Center of Kansas, PA - Pratt Pratt Kansas 67124
Cancer Center of Kansas, PA - Salina Salina Kansas 67401
Cancer Center of Kansas, PA - Wellington Wellington Kansas 67152
Associates in Womens Health, PA - North Review Wichita Kansas 67208
Cancer Center of Kansas, PA - Medical Arts Tower Wichita Kansas 67208
Cancer Center of Kansas, PA - Wichita Wichita Kansas 67214
CCOP - Wichita Wichita Kansas 67214
Via Christi Cancer Center at Via Christi Regional Medical Center Wichita Kansas 67214
Cancer Center of Kansas, PA - Winfield Winfield Kansas 67156
Greenebaum Cancer Center at University of Maryland Medical Center Baltimore Maryland 21201
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Baltimore Maryland 21231-2410
Union Hospital of Cecil County Elkton Maryland 21921
Hickman Cancer Center at Bixby Medical Center Adrian Michigan 49221
University of Michigan Comprehensive Cancer Center Ann Arbor Michigan 48109-0942
Barbara Ann Karmanos Cancer Institute Detroit Michigan 48201-1379
Josephine Ford Cancer Center at Henry Ford Hospital Detroit Michigan 48202
Green Bay Oncology, Limited - Escanaba Escanaba Michigan 49431
Dickinson County Healthcare System Iron Mountain Michigan 49801
Borgess Medical Center Kalamazoo Michigan 49001
West Michigan Cancer Center Kalamazoo Michigan 49007-3731
Bronson Methodist Hospital Kalamazoo Michigan 49007
Community Cancer Center of Monroe Monroe Michigan 48162
Mercy Memorial Hospital - Monroe Monroe Michigan 48162
Lakeland Regional Cancer Care Center - St. Joseph Saint Joseph Michigan 49085
Lakeside Cancer Specialists, PLLC Saint Joseph Michigan 49085
MeritCare Bemidji Bemidji Minnesota 56601
St. Joseph's Medical Center Brainerd Minnesota 56401
Fairview Ridges Hospital Burnsville Minnesota 55337
Mercy and Unity Cancer Center at Mercy Hospital Coon Rapids Minnesota 55433
Duluth Clinic Cancer Center - Duluth Duluth Minnesota 55805-1983
CCOP - Duluth Duluth Minnesota 55805
Miller - Dwan Medical Center Duluth Minnesota 55805
Fairview Southdale Hospital Edina Minnesota 55435
Mercy and Unity Cancer Center at Unity Hospital Fridley Minnesota 55432
Hutchinson Area Health Care Hutchinson Minnesota 55350
Immanuel St. Joseph's Mankato Minnesota 56002
HealthEast Cancer Care at St. John's Hospital Maplewood Minnesota 55109
Minnesota Oncology - Maplewood Maplewood Minnesota 55109
Virginia Piper Cancer Institute at Abbott - Northwestern Hospital Minneapolis Minnesota 55407
Hennepin County Medical Center - Minneapolis Minneapolis Minnesota 55415
New Ulm Medical Center New Ulm Minnesota 56073
Humphrey Cancer Center at North Memorial Outpatient Center Robbinsdale Minnesota 55422-2900
Mayo Clinic Cancer Center Rochester Minnesota 55905
CCOP - Metro-Minnesota Saint Louis Park Minnesota 55416
Park Nicollet Cancer Center Saint Louis Park Minnesota 55416
Regions Hospital Cancer Care Center Saint Paul Minnesota 55101
United Hospital Saint Paul Minnesota 55102
St. Francis Cancer Center at St. Francis Medical Center Shakopee Minnesota 55379
Lakeview Hospital Stillwater Minnesota 55082
Ridgeview Medical Center Waconia Minnesota 55387
Willmar Cancer Center at Rice Memorial Hospital Willmar Minnesota 56201
Minnesota Oncology - Woodbury Woodbury Minnesota 55125
University of Mississippi Cancer Clinic Jackson Mississippi 39216
Central Care Cancer Center at Carrie J. Babb Cancer Center Bolivar Missouri 65613
Skaggs Cancer Center at Skaggs Regional Medical Center Branson Missouri 65616
Southeast Cancer Center Cape Girardeau Missouri 63703
Goldschmidt Cancer Center Jefferson City Missouri 65109
Mercy Clinic Cancer and Hematology - Rolla Rolla Missouri 65401
CCOP - Cancer Research for the Ozarks Springfield Missouri 65802
St. John's Regional Health Center Springfield Missouri 65804
Hulston Cancer Center at Cox Medical Center South Springfield Missouri 65807
Missouri Baptist Cancer Center St Louis Missouri 63131
CCOP - Montana Cancer Consortium Billings Montana 59101
St. Vincent Healthcare Cancer Care Services Billings Montana 59101
Hematology-Oncology Centers of the Northern Rockies - Billings Billings Montana 59102
Billings Clinic - Downtown Billings Montana 59107-7000
Bozeman Deaconess Cancer Center Bozeman Montana 59715
St. James Healthcare Cancer Care Butte Montana 59701
Big Sky Oncology Great Falls Montana 59405-5309
Sletten Cancer Institute at Benefis Healthcare Great Falls Montana 59405
St. Peter's Hospital Helena Montana 59601
Kalispell Medical Oncology at KRMC Kalispell Montana 59901
Kalispell Regional Medical Center Kalispell Montana 59901
Montana Cancer Specialists at Montana Cancer Center Missoula Montana 59807-7877
Montana Cancer Center at St. Patrick Hospital and Health Sciences Center Missoula Montana 59807
Good Samaritan Cancer Center at Good Samaritan Hospital Kearney Nebraska 68848-1990
Cancer Resource Center - Lincoln Lincoln Nebraska 68510
CCOP - Missouri Valley Cancer Consortium Omaha Nebraska 68106
Immanuel Medical Center Omaha Nebraska 68122
Alegant Health Cancer Center at Bergan Mercy Medical Center Omaha Nebraska 68124
Lakeside Hospital Omaha Nebraska 68130
Creighton University Medical Center Omaha Nebraska 68131-2197
CCOP - Nevada Cancer Research Foundation Las Vegas Nevada 89106
Fox Chase Virtua Health Cancer Program at Virtua Memorial Hospital Marlton Marlton New Jersey 08053
St. Joseph's Hospital and Medical Center Paterson New Jersey 07503
Somerset Medical Center Somerville New Jersey 08876
J. Phillip Citta Regional Cancer Center at Community Medical Center Toms River New Jersey 08755
Cancer Institute of New Jersey at Cooper - Voorhees Voorhees Township New Jersey 08043
Fox Chase Virtua Health Cancer Program at Virtua West Jersey Voorhees Township New Jersey 08043
Lovelace Medical Center - Downtown Albuquerque New Mexico 87102
University of New Mexico Cancer Center Albuquerque New Mexico 87131-5636
University of New Mexico Cancer Center - South Las Cruces New Mexico 88011
Charles R. Wood Cancer Center at Glens Falls Hospital Glens Falls New York 12801
Beth Israel Medical Center - Petrie Division New York New York 10003-3803
St. Luke's - Roosevelt Hospital Center - St.Luke's Division New York New York 10025
Albert Einstein Cancer Center at Albert Einstein College of Medicine The Bronx New York 10461
Wayne Memorial Hospital, Incorporated Goldsboro North Carolina 27534
Kinston Medical Specialists Kinston North Carolina 28501
Medcenter One Hospital Cancer Care Center Bismarck North Dakota 58501
Mid Dakota Clinic, PC Bismarck North Dakota 58501
St. Alexius Medical Center Cancer Center Bismarck North Dakota 58502
MeritCare Broadway Fargo North Dakota 58102
CCOP - MeritCare Hospital Fargo North Dakota 58122
Roger Maris Cancer Center at MeritCare Hospital Fargo North Dakota 58122
McDowell Cancer Center at Akron General Medical Center Akron Ohio 44307
Cleveland Clinic Beachwood Family Health and Surgery Center Beachwood Ohio 44122
Wood County Oncology Center Bowling Green Ohio 43402
Aultman Cancer Center at Aultman Hospital Canton Ohio 44710-1799
Case Comprehensive Cancer Center Cleveland Ohio 44106-5065
Cleveland Clinic Cancer Center at Fairview Hospital Cleveland Ohio 44111
Cleveland Clinic Taussig Cancer Center Cleveland Ohio 44195
Grandview Hospital Dayton Ohio 45405
Good Samaritan Hospital Dayton Ohio 45406
David L. Rike Cancer Center at Miami Valley Hospital Dayton Ohio 45409
Samaritan North Cancer Care Center Dayton Ohio 45415
CCOP - Dayton Dayton Ohio 45420
Community Cancer Center Elyria Ohio 44035
Hematology Oncology Center Elyria Ohio 44035
Blanchard Valley Medical Associates Findlay Ohio 45840
Middletown Regional Hospital Franklin Ohio 45005-1066
Wayne Hospital Greenville Ohio 45331
Cleveland Clinic Cancer Center Independence Ohio 44131
Charles F. Kettering Memorial Hospital Kettering Ohio 45429
Lima Memorial Hospital Lima Ohio 45804
Northwest Ohio Oncology Center Maumee Ohio 43537-1839
Hillcrest Cancer Center at Hillcrest Hospital Mayfield Heights Ohio 44124
St. Charles Mercy Hospital Oregon Ohio 43616
Toledo Clinic - Oregon Oregon Ohio 43616
Parma Community General Hospital Parma Ohio 44129
North Coast Cancer Care, Incorporated Sandusky Ohio 44870
Cleveland Clinic Foundation - Strongsville Strongsville Ohio 44136
Flower Hospital Cancer Center Sylvania Ohio 43560
Mercy Hospital of Tiffin Tiffin Ohio 44883
Toledo Hospital Toledo Ohio 43606
St. Vincent Mercy Medical Center Toledo Ohio 43608
Medical University of Ohio Cancer Center Toledo Ohio 43614
CCOP - Toledo Community Hospital Toledo Ohio 43617
St. Anne Mercy Hospital Toledo Ohio 43623
Toledo Clinic, Incorporated - Main Clinic Toledo Ohio 43623
UVMC Cancer Care Center at Upper Valley Medical Center Troy Ohio 45373-1300
Fulton County Health Center Wauseon Ohio 43567
Cleveland Clinic - Wooster Wooster Ohio 44691
United States Air Force Medical Center - Wright-Patterson Wright-Patterson Air Force Base Ohio 45433-5529
Ruth G. McMillan Cancer Center at Greene Memorial Hospital Xenia Ohio 45385
Cancer Care Associates - Norman Norman Oklahoma 73071
Cancer Care Associates - Mercy Campus Oklahoma City Oklahoma 73120
Doylestown Hospital Cancer Center Doylestown Pennsylvania 18901
Penn State Hershey Cancer Institute at Milton S. Hershey Medical Center Hershey Pennsylvania 17033-0850
Lancaster General Hospital Lancaster Pennsylvania 17604
St. Mary Regional Cancer Center Langhorne Pennsylvania 19047
Kimmel Cancer Center at Thomas Jefferson University - Philadelphia Philadelphia Pennsylvania 19107-5541
Pottstown Memorial Regional Cancer Center Pottstown Pennsylvania 19464
Sanford Cancer Center at Sanford USD Medical Center Sioux Falls South Dakota 57117-5039
Simmons Comprehensive Cancer Center at University of Texas Southwestern Medical Center - Dallas Dallas Texas 75390
Fredericksburg Oncology, Incorporated Fredericksburg Virginia 22401
Island Hospital Cancer Care Center at Island Hospital Anacortes Washington 98221
St. Joseph Cancer Center Bellingham Washington 98225
Olympic Hematology and Oncology Bremerton Washington 98310
Highline Medical Center Cancer Center Burien Washington 98166
Swedish Medical Center - Issaquah Campus Issaquah Washington 98029
Columbia Basin Hematology Kennewick Washington 99336
Skagit Valley Hospital Cancer Care Center Mount Vernon Washington 98274
Harrison Poulsbo Hematology and Onocology Poulsbo Washington 98370
Harborview Medical Center Seattle Washington 98104
Minor and James Medical, PLLC Seattle Washington 98104
Fred Hutchinson Cancer Research Center Seattle Washington 98109
Group Health Central Hospital Seattle Washington 98112
Swedish Cancer Institute at Swedish Medical Center - First Hill Campus Seattle Washington 98122-4307
Polyclinic First Hill Seattle Washington 98122
University Cancer Center at University of Washington Medical Center Seattle Washington 98195
North Puget Oncology at United General Hospital Sedro-Woolley Washington 98284
Cancer Care Northwest - Spokane South Spokane Washington 99202
Evergreen Hematology and Oncology, PS Spokane Washington 99218
Wenatchee Valley Medical Center Wenatchee Washington 98801-2028
West Virginia University Health Sciences Center - Charleston Charleston West Virginia 25304
Langlade Memorial Hospital Antigo Wisconsin 54409
Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center Green Bay Wisconsin 54301-3526
Green Bay Oncology, Limited at St. Mary's Hospital Green Bay Wisconsin 54303
St. Mary's Hospital Medical Center - Green Bay Green Bay Wisconsin 54303
St. Vincent Hospital Regional Cancer Center Green Bay Wisconsin 54307-3508
Vince Lombardi Cancer Clinic - Green Bay at Aurora BayCare Medical Center Green Bay Wisconsin 54311
Gundersen Lutheran Center for Cancer and Blood La Crosse Wisconsin 54601
Holy Family Memorial Medical Center Cancer Care Center Manitowoc Wisconsin 54221-1450
Bay Area Cancer Care Center at Bay Area Medical Center Marinette Wisconsin 54143
Vince Lombardi Cancer Clinic - Marinette Marinette Wisconsin 54143
D.N. Greenwald Center Mukwonago Wisconsin 53149
Regional Cancer Center at Oconomowoc Memorial Hospital Oconomowoc Wisconsin 53066
Green Bay Oncology, Limited - Oconto Falls Oconto Falls Wisconsin 54154
Vince Lombardi Cancer Clinic - Oshkosh Oshkosh Wisconsin 54904
St. Nicholas Hospital Sheboygan Wisconsin 53081
Vince Lombardi Cancer Clinic - Sheboygan Sheboygan Wisconsin 53081
Green Bay Oncology, Limited - Sturgeon Bay Sturgeon Bay Wisconsin 54235
Aurora Medical Center Summit Wisconsin 53066
Vince Lombardi Cancer Clinic - Two Rivers Two Rivers Wisconsin 54241
Waukesha Memorial Hospital Regional Cancer Center Waukesha Wisconsin 53188
University of Wisconcin Cancer Center at Aspirus Wausau Hospital Wausau Wisconsin 54401
Riverview UW Cancer Center at Riverview Hospital Wisconsin Rapids Wisconsin 54494
Rocky Mountain Oncology Casper Wyoming 82609

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01124695, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 28, 2023 · Synced May 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01124695 live on ClinicalTrials.gov.

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