ClinicalTrials.gov record
Active, not recruiting Phase 3 Interventional Results available

Endocrine Therapy With or Without Abemaciclib (LY2835219) Following Surgery in Participants With Breast Cancer

ClinicalTrials.gov ID: NCT03155997

Public ClinicalTrials.gov record NCT03155997. 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, 9:29 PM 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 Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer

Study identification

NCT ID
NCT03155997
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Eli Lilly and Company
Industry
Enrollment
5,637 participants

Conditions and interventions

Conditions

Interventions

  • Abemaciclib Drug
  • Standard Adjuvant Endocrine Therapy 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
Jul 11, 2017
Primary completion
Mar 15, 2020
Completion
Apr 30, 2029
Last update posted
Apr 23, 2026

2017 – 2029

United States locations

U.S. sites
162
U.S. states
38
U.S. cities
107
Facility City State ZIP Site status
University of Alabama Birmingham Birmingham Alabama 32594
Providence Alaska Medical Center Anchorage Alaska 99508
Banner MD Anderson Cancer Center Gilbert Arizona 85234
Arizona Oncology Associates, P.C. - HOPE Goodyear Arizona 85395
St. Joseph's Hospital and Medical Center Phoenix Arizona 85013
Mayo Clinic Hospital Phoenix Arizona 85054
The University of Arizona Cancer Center Tucson Arizona 85719
Yuma Regional Cancer Center Yuma Arizona 85364
St. Bernards Medical Center Jonesboro Arkansas 72401
Highlands Oncology Group Springdale Arkansas 72762
Beverly Hills Cancer Center Beverly Hills California 90211
Roy and Patricia Disney Family Cancer Center - Providence Saint Joseph Medical Center Burbank California 91505
City of Hope National Medical Center Duarte California 91010-0269
California Cancer Associates Research and Excellence Fresno California 93720
Kaiser Permanente Harbor City California 92505
Loma Linda University School of Medicine Loma Linda California 92354
Cedars-Sinai Medical Center Los Angeles California 90048
Pacific Cancer Care Monterey California 93940
St. Joseph Hospital Orange California 92868
University of California Davis (UC Davis) Comprehensive Cancer Center Sacramento California 95817
UCSF Medical Center at Mission Bay San Francisco California 94158
California Cancer Associates in Research and Excellence San Marcos California 92069
Dignity Health Dominican Oncology and Hematology Santa Cruz California 95065
Kaiser Permanente Vallejo California 94589
USO-Rocky Mountain Cancer Center Boulder Colorado 80303
USO-Rocky Mountain Cancer Center Thornton Colorado 80260
Yale-New Haven Hospital New Haven Connecticut 06510
Florida Cancer Specialists - South Fort Myers Florida 37203
University of Florida College of Medicine Gainesville Florida 32610
Millennium Oncology - Hollywood Hollywood Florida 33024
Mayo Clinic in Florida Jacksonville Florida 32224
Cancer Specialists of North Florida Jacksonville Florida 32256
Florida Cancer Specialists - North Lecanto Florida 34461
Ocala Oncology, P.A. Ocala Florida 34474
Tallahassee Memorial Cancer Center Tallahassee Florida 32308
Moffitt Cancer Center, Richard M. Shulze Family Foundation Outpatient Center Tampa Florida 33612
University Cancer & Blood Center, LLC Athens Georgia 30607
Northside Hospital Atlanta Georgia 30342
Northwest Georgia Oncology Centers, a Service of Wellstar Cobb Hospital Marietta Georgia 30060
Summit Cancer Care DBA Candler Medical Oncology Practice Savannah Georgia 31405
University of Hawaii Cancer Center Honolulu Hawaii 96813
John H. Stroger Hospital of Cook County Chicago Illinois 60612
Rush University Medical Center Chicago Illinois 60612
Edward Cancer Center Naperville Illinois 60540
Quincy Medical Group Quincy Illinois 62301
Franciscan St. Francis Health Indianapolis Indiana 46237
Community Howard Oncology Center Kokomo Indiana 46902
Cancer Center of Kansas Wichita Kansas 67214
Univ of Louisville School of Medicine Louisville Kentucky 40202
Mary Bird Perkins Cancer Center - Baton Rouge Baton Rouge Louisiana 70817
Terrebonne General Medical Center Houma Louisiana 70360
Cancer Care of Maine Brewer Maine 04412
New England Cancer Specialists - Kennebunk Kennebunk Maine 04043
Central Maine Medical Center Lewiston Maine 04240
Meritus John Marsh Cancer Center Hagerstown Maryland 21742
Dana-Farber Cancer Institute Boston Massachusetts 02215
Reliant Medical Group, Inc. Worcester Massachusetts 01606
Mayo Clinic in Rochester, Minnesota Rochester Minnesota 55905
Jackson Oncology Associates PLLC Jackson Mississippi 39202
HCA Midwest Kansas City, MidAmerica Division, Inc. Kansas City Missouri 37203
Cancer Alliance of Nebraska Omaha Nebraska 68106
Nebraska Methodist Hospital Omaha Nebraska 68114
Tennessee Cancer Specialists Omaha Nebraska 68130
Renown Regional Medical Center Reno Nevada 89502
Dartmouth Hitchcock Medical Center Lebanon New Hampshire 03756
Memorial Sloan Kettering - Basking Ridge Basking Ridge New Jersey 07920
Summit Medical Group Cancer Center Florham Park New Jersey 07932
Newark Beth Israel Medical Center Newark New Jersey 07112
The Valley Hospital, Inc. Paramus New Jersey 07652
Community Medical Center Toms River New Jersey 08755
Broome Oncology Binghamton New York 13905
Weill Cornell Medical College New York New York 10065
Vassar Brothers Medical Center Poughkeepsie New York 12601
SUNY At Stony Brook Stony Brook New York 11794
White Plains Hospital White Plains New York 10601
WakeMed Cancer Care - Waverly Hematology & Medical Oncology Cary North Carolina 27518
Margaret R. Pardee Memorial Hospital Hendersonville North Carolina 28739
Wake Forest University Health Sciences Winston-Salem North Carolina 27157
Aultman Hospital Canton Ohio 44710
University Hospitals Cleveland Medical Center Cleveland Ohio 44106
Cleveland Clinic Foundation Cleveland Ohio 44195
Columbus Community Clinical Oncology Program Columbus Ohio 43215
Asante Rogue Regional Medical Center Medford Oregon 97504
Oregon Health and Science University Portland Oregon 97239
Abington Medical Specialists Abington Pennsylvania 19001
St. Luke's Hospital & Health Network Bethlehem Pennsylvania 18015
Albert Einstein Healthcare Network Philadelphia Pennsylvania 19141
AHN Allegheny General Hospital Pittsburgh Pennsylvania 15212
NSABP Foundation Pittsburgh Pennsylvania 15213
PinnacleHealth Cancer Institute Pittsburgh Pennsylvania 15213
Univ of Pittsburgh Cancer Inst. (UPCI) Pittsburgh Pennsylvania 15213
WellSpan Health/York Cancer Center Oncology Research York Pennsylvania 17403
McLeod Regional Medical Center Florence South Carolina 29502
St Francis Cancer Center Greenville South Carolina 29607
Spartanburg Regional Medical Center Spartanburg South Carolina 29303
Sanford USD Medical Center Sioux Falls South Dakota 57105
Erlanger Health System Chattanooga Tennessee 37403
Chattanooga Research and Medicine Chattanooga Tennessee 37404
The West Clinic, PLLC dba West Cancer Center Germantown Tennessee 38138
Urology Associates of Kingsport Kingsport Tennessee 37660
Tennessee Cancer Specialists Knoxville Tennessee 37909
University of Tennessee Medical Center Knoxville Tennessee 37920
Baptist Cancer Center Memphis Tennessee 38120
Florida Cancer Specialists Nashville Tennessee 37203
Sarah Cannon Cancer Center Nashville Tennessee 37203
Tennessee Oncology Nashville Nashville Tennessee 37203
Texas Oncology Cancer Care and Research Center Austin Texas 78731
Texas Oncology-Baylor Charles A. Sammons Cancer Center Dallas Texas 75246
University of Texas Southwestern Medical Center at Dallas Dallas Texas 75390
Texas Oncology Fort Worth Fort Worth Texas 76104
Oncology Consultants, P.A. Houston Texas 77030
Texas Oncology P.A. Lewisville Texas 75056
University of Texas Health Science Center - San Antonio San Antonio Texas 78229
Arizona Oncology Associates, P.C. - HOPE The Woodlands Texas 77380
Comprehensive Cancer Centers of Nevada The Woodlands Texas 77380
Illinois Cancer Specialists The Woodlands Texas 77380
Miami Cancer Institute at Baptist Health, Inc. The Woodlands Texas 77380
Minnesota Oncology/Hematology PA The Woodlands Texas 77380
Northwest Cancer Specialists PC The Woodlands Texas 77380
Oncology and Hematology Associates of Southwest Virginia Inc The Woodlands Texas 77380
Oncology Hematology Care Inc The Woodlands Texas 77380
Oncology Hematology West The Woodlands Texas 77380
Sansum Clinic The Woodlands Texas 77380
Shenandoah Oncology, P.C. The Woodlands Texas 77380
Texas Oncology - Dallas Presbyterian Hospital The Woodlands Texas 77380
Texas Oncology - Denison The Woodlands Texas 77380
Texas Oncology - McAllen The Woodlands Texas 77380
Texas Oncology - McKinney The Woodlands Texas 77380
Texas Oncology - Medical City Dallas The Woodlands Texas 77380
Texas Oncology - Methodist Dallas Cancer Center The Woodlands Texas 77380
Texas Oncology - Paris The Woodlands Texas 77380
Texas Oncology - San Antonio Medical Center The Woodlands Texas 77380
Texas Oncology - The Woodlands The Woodlands Texas 77380
Texas Oncology - Tyler The Woodlands Texas 77380
Texas Oncology - West Texas The Woodlands Texas 77380
Texas Oncology Cancer Care and Research Center The Woodlands Texas 77380
Texas Oncology Denton The Woodlands Texas 77380
Texas Oncology Fort Worth The Woodlands Texas 77380
Texas Oncology P.A. The Woodlands Texas 77380
Texas Oncology- Mesquite The Woodlands Texas 77380
Texas Oncology-Arlington South The Woodlands Texas 77380
Texas Oncology-Baylor Charles A. Sammons Cancer Center The Woodlands Texas 77380
Texas Oncology-Deke Slayton Cancer Center The Woodlands Texas 77380
Texas Oncology-Plano East The Woodlands Texas 77380
Texas Oncology-Plano West The Woodlands Texas 77380
US Oncology The Woodlands Texas 77380
USO - Texas Oncology, P. A. The Woodlands Texas 77380
USO-Maryland Oncology Hematology, P.A. The Woodlands Texas 77380
USO-New York Oncology Hematology, P.C The Woodlands Texas 77380
USO-Rocky Mountain Cancer Center The Woodlands Texas 77380
USO-Southern Cancer Center, P.C. The Woodlands Texas 77380
USO-Virginia Oncology Associates The Woodlands Texas 77380
Virginia Cancer Specialists The Woodlands Texas 77380
Willamette Valley Cancer Institute & Research Ctr. The Woodlands Texas 77380
Texas Oncology - Paris Tyler Texas 75702
Texas Oncology - Tyler Tyler Texas 75702
Utah Cancer Specialists Salt Lake City Utah 84106
The University of Vermont Medical Center Inc. Burlington Vermont 05401
Hematology Oncology Associates of Fredericksburg Inc. Fredericksburg Virginia 22408
Virginia Commonwealth University (VCU) Medical Center Richmond Virginia 23219
MultiCare Regional Cancer Center - Auburn Auburn Washington 98001
Swedish Medical Center Seattle Washington 98104

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 457 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03155997, 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 Apr 23, 2026 · Synced May 5, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03155997 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →