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Active, not recruiting No phase listed Observational

Breast Cancer Index (BCI) Registry

ClinicalTrials.gov ID: NCT04875351

Public ClinicalTrials.gov record NCT04875351. 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 Nov 6, 2026, 1:58 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the Breast Cancer Index (BCI) Registry study is to conduct a large scale, population-based prospective registry to evaluate long-term clinical outcome, clinical impact, medication adherence and quality of life in hormone receptor positive (HR+) early-stage breast cancer patients receiving BCI testing as part of routine clinical care to inform extended endocrine therapy.

Study identification

NCT ID
NCT04875351
Recruitment status
Active, not recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Biotheranostics, Inc.
Industry
Enrollment
3,465 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Apr 14, 2021 (Actual)
Primary completion
Dec 2028 (Estimated)
Completion
Dec 2028 (Estimated)
Last update posted
Sep 19, 2024

2021 – 2028

United States locations

U.S. sites
105
U.S. states
11
U.S. cities
87
Facility City State ZIP Site status
Southern Cancer Center, P.C. - Daphne Daphne Alabama 36526 —
Southern Cancer Center, PC - Mobile Infirmary Mobile Alabama 36607 —
Southern Cancer Center, PC - Providence Hospital Mobile Alabama 36608 —
Southern Cancer Center, PC - Springhill Medical Center Mobile Alabama 36608 —
Arizona Oncology Associates, PC - Glendale - Saguaro Cancer Center Glendale Arizona 85308 —
Arizona Oncology Associates, PC - Goodyear Goodyear Arizona 85395 —
Arizona Oncology Associates, PC - Phoenix - Biltmore Cancer Center Phoenix Arizona 85016 —
Arizona Oncology Associates, PC - Phoenix - Deer Valley Phoenix Arizona 85027 —
Arizona Oncology Associates, PC - Scottsdale Scottsdale Arizona 85258 —
Arizona Oncology Associates, PC - East Valley Cancer Center Tempe Arizona 85284 —
Sansum Clinic - Ridley-Tree Cancer Center Santa Barbara California 93105 —
Sansum Clinic - Ridley-Tree Cancer Center (Solvang) Solvang California 93463 —
Rocky Mountain Cancer Center - Aurora Aurora Colorado 80012 —
Rocky Mountain Cancer Center - Boulder Boulder Colorado 80303 —
Rocky Mountain Cancer Center - Centennial Centennial Colorado 80112 —
Rocky Mountain Cancer Center - Colorado Springs Colorado Springs Colorado 80907 —
Rocky Mountain Cancer Center - Denver Midtown Denver Colorado 80218 —
Rocky Mountain Cancer Center - Denver Denver Colorado 80220 —
Rocky Mountain Cancer Center - Swedish Medical Center Englewood Colorado 80113 —
Rocky Mountain Cancer Centers - Lakewood Lakewood Colorado 80228 —
Rocky Mountain Cancer Center - Littleton Littleton Colorado 80120 —
Rocky Mountain Cancer Center - Lone Tree Lone Tree Colorado 80124 —
Rocky Mountain Cancer Center - Longmont Longmont Colorado 80504 —
Rocky Mountain Cancer Center - Pueblo Pueblo Colorado 81003 —
Rocky Mountain Cancer Center - Thornton Thornton Colorado 80260 —
Cancer Care Centers of Brevard, Inc. Palm Bay Florida 32901 —
Illinois Cancer Specialists - Arlington Heights Arlington Heights Illinois 60005 —
Affiliated Oncologists, LLC Chicago Ridge Illinois 60415 —
Illinois Cancer Specialists - Niles Niles Illinois 60714 —
Maryland Oncology Hematology, P.A. - Bethesda Bethesda Maryland 20817 —
Maryland Oncology Hematology, P.A. - Brandywine Brandywine Maryland 20613 —
Maryland Oncology Hematology, P.A. - Clinton Clinton Maryland 20735 —
Maryland Oncology Hematology, P.A. - Columbia Columbia Maryland 21044 —
Maryland Oncology Hematology, P.A. - Frederick Frederick Maryland 21702 —
Maryland Oncology Hematology, P.A. - Lanham Lanham Maryland 20706 —
Maryland Oncology Hematology, P.A. - Rockville - Aquilino Cancer Center Rockville Maryland 20850 —
Maryland Oncology Hematology, P.A. - Silver Spring - White Oak Cancer Center Silver Spring Maryland 20904 —
New York Oncology Hematology, P.C. - Albany Cancer Center Albany New York 12206 —
New York Oncology Hematology, P.C. - Albany Medical Center Albany New York 12208 —
Broome Oncology, LLC - Binghamton Binghamton New York 13905 —
New York Oncology Hematology, P.C. - Clifton Park Cancer Center Clifton Park New York 12065 —
Broome Oncology, LLC - Johnson City Johnson City New York 13790 —
Alliance Cancer Specialists, PC Bensalem Pennsylvania 19020 —
Consultants In Medical Oncology and Hematology, P.C. Broomall Pennsylvania 19008 —
Alliance Cancer Specialists, PC Horsham Pennsylvania 19044 —
Alliance Cancer Specialists, PC Langhorne Pennsylvania 19047 —
Alliance Cancer Specialists, PC Philadelphia Pennsylvania 19115 —
Alliance Cancer Specialists, PC Sellersville Pennsylvania 18960 —
Alliance Cancer Specialists, PC Wynnewood Pennsylvania 19096 —
Texas Oncology - Abilene Abilene Texas 79606 —
Texas Oncology - Allen Allen Texas 75013 —
Texas Oncology - Amarillo Amarillo Texas 79106 —
Texas Oncology - DFWW Arlington Texas 76012 —
Texas Oncology - DFWW Arlington Texas 76014 —
Texas Oncology - Beaumont Beaumont Texas 77701 —
Texas Oncology - Beaumont Mamie McFaddin Ward Cancer Center Beaumont Texas 77702 —
Texas Oncology - DFWW Bedford Texas 76022 —
Texas Oncology - Carrollton Carrollton Texas 75010 —
Texas Oncology - DFWW Dallas Texas 75203 —
Texas Oncology - Medical City Dallas Dallas Texas 75230 —
Texas Oncology - Presbyterian Cancer Center Dallas Dallas Texas 75231 —
Texas Oncology - DFWW Dallas Texas 75237 —
Texas Oncology - Baylor Charles A. Sammons Cancer Center Dallas Texas 75246 —
Texas Oncology - Denison Denison Texas 75020 —
Texas Oncology - Denton Denton Texas 76201 —
Texas Oncology - El Paso Cancer Treatment Center Grandview El Paso Texas 79902 —
Texas Oncology - El Paso Cancer Treatment Center Gateway El Paso Texas 79915 —
Texas Oncology - El Paso Cancer Treatment Center Joe Battle El Paso Texas 79938 —
Texas Oncology - Flower Mound Flower Mound Texas 75028 —
Texas Oncology - DFWW Grapevine Texas 76051 —
Texas Oncology - Harlingen Harlingen Texas 78550 —
Texas Oncology - Memorial City Houston Texas 77024 —
Texas Oncology - Willowbrook Houston Texas 77070 —
Texas Oncology - Northeast Texas Longview Texas 75601 —
Texas Oncology - McAllen McAllen Texas 78503 —
Texas Oncology - McKinney McKinney Texas 75071 —
Texas Oncology - Midland Midland Texas 79701 —
Texas Oncology - New Braunfels New Braunfels Texas 78130 —
Texas Oncology - Odessa Odessa Texas 79761 —
Texas Oncology - Northeast Texas Palestine Texas 75801 —
Texas Oncology - Northeast Texas Paris Texas 75460 —
Texas Oncology - Plano West Plano Texas 75093 —
Texas Oncology - San Antonio Downtown San Antonio Texas 78212 —
Texas Oncology - San Antonio Northeast San Antonio Texas 78217 —
Texas Oncology - San Antonio San Antonio Texas 78240 —
Texas Oncology - San Antonio Stone Oak San Antonio Texas 78258 —
Texas Oncology - Sugar Land Sugar Land Texas 77479 —
Texas Oncology - The Woodlands The Woodlands Texas 77380 —
Texas Oncology - Northeast Texas Tyler Texas 75702 —
Texas Oncology - Austin Waco Texas 76712 —
Texas Oncology - Horizon Circle Waco Texas 76712 —
Texas Oncology - Deke Slayton Cancer Center Webster Texas 77598 —
Texas Oncology - Weslaco Weslaco Texas 78596 —
Texas Oncology - Wichita Falls Wichita Falls Texas 76310 —
Virginia Cancer Specialists, PC - Alexandria Alexandria Virginia 22304 —
Virginia Cancer Specialists, PC - Arlington Arlington Virginia 22205 —
Virginia Oncology Associates Chesapeake Virginia 23320 —
Virginia Cancer Specialists, PC - Fairfax Fairfax Virginia 22031 —
Virginia Cancer Specialists, PC - Gainesville Gainesville Virginia 20155 —
Virginia Cancer Specialists, PC - Loudoun Leesburg Virginia 20176 —
Virginia Oncology Associates Newport News Virginia 23606 —
Virginia Oncology Associates Norfolk Virginia 23502 —
Virginia Oncology Associates Virginia Beach Virginia 23456 —
Virginia Oncology Associates Williamsburg Virginia 23188 —
Shenandoah Oncology, P.C. Winchester Virginia 22601 —

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 NCT04875351, 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 Sep 19, 2024 · Synced Nov 6, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04875351 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →