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Active, not recruiting Not applicable Interventional Results available

Comparing an Operation to Monitoring, With or Without Endocrine Therapy (COMET) Trial For Low Risk DCIS

ClinicalTrials.gov ID: NCT02926911

Public ClinicalTrials.gov record NCT02926911. 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 20, 2026, 1:10 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

Comparing an Operation to Monitoring, With or Without Endocrine Therapy (COMET) Trial For Low Risk DCIS: A Phase III Prospective Randomized Trial

Study identification

NCT ID
NCT02926911
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Not applicable
Lead sponsor
Alliance Foundation Trials, LLC.
Other
Enrollment
997 participants

Conditions and interventions

Interventions

  • Active Monitoring Other
  • Surgery Other

Other

Eligibility (public fields only)

Age range
40 Years to 99 Years
Sex
Female
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
Feb 21, 2017
Primary completion
Jun 26, 2024
Completion
Jun 30, 2030
Last update posted
May 11, 2026

2017 – 2030

United States locations

U.S. sites
141
U.S. states
40
U.S. cities
120
Facility City State ZIP Site status
Providence Alaska Medical Center Anchorage Alaska 99508
Mayo Clinic Phoenix Arizona 85054
City of Hope Duarte California 91010
Cedars-Sinai Medical Center Los Angeles California 90048
Sharp Memorial Hospital San Diego California 92123
Kaiser Permanente Medical Center Vallejo California 94589
Colorado Cancer Research Program Denver Colorado 80222
Saint Joseph Hospital- Cancer Centers of Colorado Lafayette Colorado 80026
Smilow Cancer Hospital at Yale-New Haven New Haven Connecticut 06510
MedStar Washington Hospital Center Washington D.C. District of Columbia 20010
Memorial Healthcare System Hollywood Florida 33021
Mayo Clinic Florida Jacksonville Florida 32224
University of Hawaii Cancer Center Honolulu Hawaii 96813
Kootenai Health Post Falls Idaho 83854
John H Stroger Jr Hospital of Cook County Chicago Illinois 60612
University of Chicago Medical Center Chicago Illinois 60637
Advocate Illinois Masonic Medical Center Chicago Illinois 60657
NorthShore University HealthSystem-Evanston Hospital Evanston Illinois 60201
Ingalls Memorial Hospital Harvey Illinois 60426
Illinois Cancer Care Peoria Illinois 61615
OSF Saint Anthony Medical Center Rockford Illinois 61108
Carle Cancer Center Urbana Illinois 61801
Medical Oncology and Hematology Associates - Des Moines Des Moines Iowa 50314
University of Iowa/Holden Comprehensive Cancer Center Iowa City Iowa 52242
University of Kansas Cancer Center Kansas City Kansas 66160
St. Elizabeth Healthcare Edgewood Edgewood Kentucky 41017
University of Kentucky/Markey Cancer Center Lexington Kentucky 40536
Mary Bird Perkins Cancer Center Baton Rouge Louisiana 70809
Ochsner Medical Center Jefferson New Orleans Louisiana 70121
Eastern Maine Medical Center Cancer Care Brewer Maine 04412
Maine Center for Cancer Medicine-Scarborough Scarborough Maine 04074
New England Cancer Specialists Scarborough Maine 04074
Anne Arundel Medical Center Annapolis Maryland 21401
University of Maryland - Greenebaum Comprehensive Cancer Center Baltimore Maryland 21201
Dana-Farber Cancer Institute Boston Massachusetts 02215
Saint Joseph Mercy Hospital Ann Arbor Michigan 48197
Henry Ford Hospital Detroit Michigan 48202
Cancer Research Consortium of West Michigan Grand Rapids Michigan 49503
Beaumont NCORP Royal Oak Michigan 48073
Masonic Cancer Center, University of Minnesota Minneapolis Minnesota 55455
Mayo Clinic Rochester Minnesota 55905
Metro MN Community Oncology Research Consortium (MMCORC) Saint Louis Park Minnesota 55416
Washington University - Siteman Cancer Center St Louis Missouri 63110
Community Hospital of Anaconda Anaconda Montana 59711
Billings Clinic Billings Montana 59101
Bozeman Health Bozeman Montana 59715
Benefis Sletten Cancer Institute Great Falls Montana 59405
Kalispell Regional Medical Center Kalispell Montana 59901
Community Medical Center Missoula Montana 59804
University of Nebraska Medical Center Omaha Nebraska 68198
New Hampshire Oncology Hematology PA Hooksett New Hampshire 03106
Englewood Hospital and Medical Center Englewood New Jersey 07631
Hackensack University Medical Center Hackensack New Jersey 07601
Atlantic Health System / Morristown Medical Center Morristown New Jersey 07960
Jersey Shore University Medical Center Neptune City New Jersey 07753
The Valley Hospital - Luckow Pavilion Paramus New Jersey 07652
New Mexico Cancer Care Alliance Albuquerque New Mexico 87106
Roswell Park Cancer Institute Buffalo New York 14263
New York-Presbyterian Weill Cornell Medical Center New York New York 10065
Mount Sinai Hospital New York New York 60608
State University of New York Upstate Medical University Syracuse New York 13210
Montefiore-Einstein Center for Cancer Care at Montefiore Medical Park The Bronx New York 10461
UNC Lineberger Comprehensive Cancer Center Chapel Hill North Carolina 27599
Levine Cancer Institute Charlotte North Carolina 28204
Novant Health Presbyterian Medical Center Charlotte North Carolina 28204
Duke University Medical Center Durham North Carolina 27710
Cape Fear Valley Health System Fayetteville North Carolina 28304
Southeastern Medical Oncology Center Goldsboro North Carolina 27534
Cone Health Cancer Center Greensboro North Carolina 27403
Novant Health Breast Surgery - Greensboro Greensboro North Carolina 27403
East Carolina University Greenville North Carolina 27834
Carolina East Medical Center New Bern North Carolina 28561
Rex Cancer Center Raleigh North Carolina 27607
Wake Forest Baptist Medical Center Winston-Salem North Carolina 27157
Strecker Cancer Center - Belpre Belpre Ohio 45714
Dayton Physicians-Miami Valley Hospital South Centerville Ohio 45459
Ohio State University Comprehensive Cancer Center Columbus Ohio 43202
Ohio State University Comprehensive Cancer Center Columbus Ohio 43210
Mount Carmel East Hospital Columbus Ohio 43213
Columbus Oncology & Hematology INC Columbus Ohio 43214
Riverside Methodist Hospital Columbus Ohio 43214
Grant Medical Center Columbus Ohio 43215
MidOhio Oncology Hematology, Mark H. Zangmeister Center Columbus Ohio 43219
Mount Carmel West Hospital Columbus Ohio 43223
Doctors Hospital Columbus Ohio 43228
Dayton Physicians-Miami Valley Hospital North Dayton Ohio 45415
Grady Hospital Delaware Ohio 43015
OhioHealth Grady - Delaware Health Center Delaware Ohio 43015
Armes Family Cancer Center Findlay Ohio 45840
Dayton Physicians-Atrium Franklin Ohio 45005
Wayne Hospital Greenville Ohio 45331
Kettering Medical Center Kettering Ohio 45429
OhioHealth Mansfield Hospital Mansfield Ohio 44903
Marietta Memorial Hospital Marietta Ohio 45750
OhioHealth Marion General Hospital Marion Ohio 43302
Licking Memorial Hospital Newark Ohio 43055
St. Ann's Hospital Westerville Ohio 43081
St. Elizabeth Youngstown Hospital Youngstown Ohio 44501
Genesis Health Care System Zanesville Ohio 43701
Cancer Centers of Southwest Oklahoma Lawton Oklahoma 73505
Saint Charles Health System Bend Oregon 97701
Magee-Womens Hospital of UPMC Pittsburgh Pennsylvania 15213
Guthrie Medical Group PC-Robert Packer Hospital Sayre Pennsylvania 18840
WellSpan Health York Cancer Center York Pennsylvania 17403
Rhode Island Hospital Providence Rhode Island 02906
Medical University of South Carolina Charleston South Carolina 29425
Georgetown Hospital System Georgetown South Carolina 29440
Greenville Memorial Hospital Greenville South Carolina 29605
Baptist Cancer Care Memphis Tennessee 38120
UT Southwestern/Simmons Cancer Center-Dallas Dallas Texas 75235
Baylor University Medical Center Dallas Texas 75246
MD Anderson Cancer Center Houston Texas 60586
Doctors Hospital of Laredo Laredo Texas 78045
Huntsman Cancer Institute Salt Lake City Utah 84112
The University of Vermont Medical Center Burlington Vermont 05401
West Virginia University Medicine Morgantown Virginia 26506
Sentara Norfolk General Hospital Norfolk Virginia 23507
Virginia Commonwealth University Massey Cancer Center Richmond Virginia 23298
Overlake Hospital Medical Center Bellevue Washington 98004
ThedaCare Regional Cancer Center -Appleton Appleton Wisconsin 54911
Aurora Health Care, Aurora Cancer Care Burlington Wisconsin 53105
Aurora Health Center - Fond du Lac Fond du Lac Wisconsin 54937
Aurora Health Care, Germantown Health Center Germantown Wisconsin 53022
Aurora Health Care, Aurora Cancer Care Grafton Wisconsin 53024
Saint Vincent Hospital Green Bay Wisconsin 54301
BayCare Aurora LLC, Aurora Cancer Care Green Bay Wisconsin 54311
Aurora Health Care, Aurora Cancer Care Kenosha Wisconsin 49408
University of Wisconsin Carbone Cancer Center Madison Wisconsin 53792
Aurora Bay Area Medical Group - Cancer Care Clinic Marinette Wisconsin 54143
Aurora Health Care, Aurora Cancer Care Marinette Wisconsin 54143
Aurora Health Care, Aurora Cancer Care Milwaukee Wisconsin 53209
Vince Lombardi Cancer Clinic of Aurora St. Luke's Medical Center Milwaukee Wisconsin 53215
Froedtert and the Medical College of Wisconsin Milwaukee Wisconsin 53226
Aurora Health Care, Aurora Cancer Care Milwaukee Wisconsin 53233
Aurora Health Care, Aurora Cancer Care Oshkosh Wisconsin 54904
Aurora Health Care, Aurora Cancer Care Racine Wisconsin 53406
Aurora Health Care, Aurora Cancer Care Sheboygan Wisconsin 53081
Aurora Health Care, Aurora Cancer Care Summit Wisconsin 53066
Aurora Health Care, Aurora Cancer Care Two Rivers Wisconsin 54241
Aurora Health Care, Aurora Cancer Care Wauwatosa Wisconsin 53226
Aurora Health Care, Aurora Cancer Care West Allis Wisconsin 53227

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02926911, 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 May 11, 2026 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02926911 live on ClinicalTrials.gov.

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