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Find Breast Cancer Clinical Trials That Are Right For You
The clinical trials listed below are open in the U.S. for people with DCIS (stage 0), stage 1, stage 2, stage 3, or stage 4 (metastatic)
breast cancer. Clinical trials are available for people who are newly diagnosed with breast cancer, currently in treatment, experiencing
breast cancer recurrence, living with metastatic disease, as well as breast cancer survivors who have completed treatment.
Use the search box and filters to find a trial that’s right for you.
Currently viewing trials
(Last updated: November 22, 2023)
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Treatment
Brain Mets
BRCA1/2 (inherited)
Chemotherapy
Hormone Therapy
Leptomeningeal Disease
Radiation Oncology
Surgery
Surgery: Reconstruction
Targeted Therapy: All
Targeted Therapy: ADC
Targeted Therapy: Anti-HER2 Therapy
Targeted Therapy: CDK Inhibitors
Targeted Therapy: PARP Inhibitors
Targeted Therapy: Tumor Mutations
Targeted Therapy: Other Targeted Therapy
Vaccines and Immunotherapy
Other Treatment
Non-Treatment
Activities
Complementary and Integrative Medicine
Decision Support
Diagnosing Breast Cancer
Genetics/Family History
Having Children
Healthy/High Risk
Imaging
Lymphedema
Managing Side Effects
No Travel Required
Predicting Response to Treatment
Preventing Breast Cancer
Preventing Recurrence
Support/Education
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AKT
ALK
AR
BARD1
BRCA1/2 (tumor)
BRIP1
CD205
CD70
CHEK2 or CHEK1
dMMR/MSI-H
ESR1
FGFR
HER2/ERBB2
HLA
MET or C-Met
NTRK
PALB2
PIK3CA or PI3K
PTEN
RAD51
RAF (including BRAF)
RAS (KRAS or NRAS)
RB
ROS1
TP53
1
NEAREST SITE: 3 miles
UCSF Medical Center-Mount Zion
San Francisco,CA
VISITS: 1 visit every 6 months for 5 years
PHASE: III
NCT ID: NCT04711109
Denosumab to Prevent Breast Cancer in Women With an Inherited BRCA1 Mutation
BRCA-P: A Randomized, Double-Blind, Placebo-Controlled, Multi-Center, International Phase 3 Study to Determine the Preventive Effect of Denosumab on Breast Cancer in Women Carrying a BRCA1 Germline Mutation Scientific Title
Purpose
To study the safety, effects (good and bad), and ability of denosumab to prevent breast cancer.
Who is this for?
Women aged 25 to 55 who do not have breast cancer and who have an inherited BRCA1 mutation.
Full eligibility criteria
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<p class="seamTextPara"> You will be randomly assigned to 1 of 2 groups: </p> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 1</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Denosumab, by injection, every 6 months for up to 5 years</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 2</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Placebo for denosumab, by injection, every 6 months for up to 5 years</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Denosumab is a targeted therapy called a RANK ligand inhibitor. It is used to reduce the risk of bone fractures in people without cancer and to reduce new bone growth in people whose cancer has spread to their bones.</li> <li class="seamTextUnorderedListItem">Denosumab may also reduce the risk of developing breast cancer in women with an inherited (germline) BRCA1 mutation.</li> <li class="seamTextUnorderedListItem">Targets or mutations: BRCA1, BRCA 1</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT04711109' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.cancerpreventioninitiative.org/projects/prevention-of-breast-cancer-by-denosumab-in-women-carrying-a-brca1-or-brca2-mutation-brca-p-trial/' target='_blank'>Cancer Prevention Initiative: Trial Information Page</a> </li><li class='seamTextUnorderedListItem'><a href='https://medlineplus.gov/druginfo/meds/a610023.html' target='_blank'>MedlinePlus: Denosumab</a> </li></ul>
2
NEAREST SITE: 3 miles
University of California San Francisco
San Francisco,CA
VISITS: 2 visits
PHASE: II
NCT ID: NCT04821141
Bazedoxifene and Estrogen Hormone Therapy to Reduce Risk Factors for Developing Breast Cancer
Randomized IIB Study of the Effect of Bazedoxifene Plus Conjugated Estrogens on Breast Imaging and Tissue Biomarkers in Peri or Post-Menopausal Women at Increased Risk for Development of Breast Cancer Scientific Title
Purpose
To study whether bazedoxifene and estrogen affect risk factors associated with developing breast cancer.
Who is this for?
Perimenopausal and postmenopausal women ages 45 to 60 who experience hot flashes and/or night sweats at least once a week and have a moderate risk of developing breast cancer. Risk factors include a family history of breast cancer, prior breast biopsies, or one of the following gene mutations: ATM, CDH1, CHEK2, NBN, NF1, PALB2, PTEN, STK11, P53, PTEN. You must not have a BRCA1/2 mutation.
Full eligibility criteria
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<p class="seamTextPara"> You will be randomly assigned to 1 of 2 groups: </p> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 1</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Bazedoxifene, by mouth, daily for 6 months</li> <li class="seamTextUnorderedListItem">Estrogen, by mouth, daily for 6 months</li> <li class="seamTextUnorderedListItem">Mammogram, 2 times within 6 months</li> <li class="seamTextUnorderedListItem">Fine needle aspiration biopsy, 2 times within 6 months</li> <li class="seamTextUnorderedListItem">Blood tests, 2 times within 6 months</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 2</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Mammogram, 2 times within 6 months</li> <li class="seamTextUnorderedListItem">Fine needle aspiration biopsy, 2 times within 6 months</li> <li class="seamTextUnorderedListItem">Blood tests, 2 times within 6 months</li> </ul> <p class="seamTextPara"> followed 6 months later by (optional): </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Bazedoxifene, by mouth, daily for 6 months</li> <li class="seamTextUnorderedListItem">Estrogen, by mouth, daily for 6 months</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Bazedoxifene is a type of hormone therapy called a selective estrogen receptor modulator (SERM). SERMs work by blocking the activity of estrogen. It may help reduce the risk of breast cancer.</li> <li class="seamTextUnorderedListItem">Estrogen is a hormone used to treat women experiencing hot flashes.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT04821141' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.cancer.gov/about-cancer/treatment/clinical-trials/search/v?id=NCI-2022-03864&r=1#:~:text=Giving%20bazedoxifene%20with%20conjugated%20estrogens,increased%20risk%20for%20breast%20cancer.' target='_blank'>National Cancer Institute: Trial Information Page</a> </li><li class='seamTextUnorderedListItem'><a href='https://medlineplus.gov/druginfo/meds/a614004.html' target='_blank'>Medline Plus: Bazedoxifene and Estrogen</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.cdc.gov/cancer/breast/basic_info/mammograms.htm' target='_blank'>Centers for Disease Control and Prevention: Mammogram</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.cancer.org/cancer/breast-cancer/screening-tests-and-early-detection/breast-biopsy/fine-needle-aspiration-biopsy-of-the-breast.html#:~:text=During%20a%20fine%20needle%20aspiration,needle%20biopsy%20is%20often%20preferred).' target='_blank'>American Cancer Society: Fine Needle Aspiration Biopsy</a> </li></ul>
3
NEAREST SITE: 602 miles
Huntsman Cancer Institute
Salt Lake City,UT
VISITS: Number of visits unavailable
PHASE: II
NCT ID: NCT02694809
Duavee Hormone Therapy for Postmenopausal Women with DCIS
A Large-scale Multicenter Phase II Study Evaluating the Protective Effect of a Tissue Selective Estrogen Complex (TSEC) in Women With Newly Diagnosed Ductal Carcinoma in Situ Scientific Title
Purpose
To study the safety, effects (good and bad), and ability of a drug called conjugated estrogens/bazedoxifene (Duavee®) to reduce the risk of developing breast cancer.
Who is this for?
Postmenopausal women with newly diagnosed estrogen receptor positive (ER+) DCIS who are planning to receive surgery or have positive margins after surgery.
Full eligibility criteria
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<p class="seamTextPara"> You will be randomly assigned to 1 of 2 groups: </p> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 1</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Conjugated estrogens/bazedoxifene (Duavee®), by mouth, daily for 1 month</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 2</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Placebo for conjugated estrogens/bazedoxifene (Duavee®), by mouth, daily for 1 month</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Additional Procedures</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Questionnaires</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Conjugated estrogens/bazedoxifene (Duavee®) is a FDA approved hormone therapy used to treat symptoms of menopause such as hot flashes in women that do not have breast cancer.</li> <li class="seamTextUnorderedListItem">Because conjugated estrogens/bazedoxifene (Duavee®) is not approved in women with DCIS, its use in this study is experimental. </li> <li class="seamTextUnorderedListItem">Margins are the area around where DCIS was removed during surgery. A positive margin means DCIS cells were found in the margin after surgery.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT02694809' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.mayoclinic.org/drugs-supplements/conjugated-estrogens-and-bazedoxifene-oral-route/description/drg-20061326' target='_blank'>Mayo Clinic: Conjugated Estrogens/Bazedoxifene (Duavee®)</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.breastcancer.org/types/ductal-carcinoma-in-situ' target='_blank'>Breastcancer.org: DCIS</a> </li></ul>
4
NEAREST SITE: 660 miles
Mayo Clinic in Arizona
Scottsdale,AZ
VISITS: Number of visits unavailable
PHASE: II
NCT ID: NCT05557877
Low-Dose Aspirin to Prevent Breast Cancer After Having a Baby
Targeted Prevention of Postpartum-Related Breast Cancer Scientific Title
Purpose
To study whether low-dose aspirin prevents breast cancer in women who have recently had a baby and who have benign (non-cancerous) breast disease.
Who is this for?
Pre-menopausal women, ages 18 to 45, who have had a baby in the last 5 years, have received a mammogram that suggested benign (non-cancerous) breast disease, and are planning to receive a biopsy. You must not be taking any medication to prevent breast cancer.
Full eligibility criteria
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<p class="seamTextPara"> You will receive the following: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Biopsy</li> <li class="seamTextUnorderedListItem">Blood tests</li> </ul> <p class="seamTextPara"> followed by: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Low-dose aspirin, by mouth, daily</li> </ul> <p class="seamTextPara"> followed by: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Blood tests</li> <li class="seamTextUnorderedListItem">Questionnaires</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Please contact research site for treatment schedule</i></p>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Low-dose aspirin, a non-steroidal anti-inflammatory drug, may reduce inflammation in blood and tissue which may prevent breast cancer after having a baby.</li> <li class="seamTextUnorderedListItem">Benign breast disease is non-cancerous breast disease.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT05557877' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-minute-aspirins-role-in-preventing-and-stopping-the-spread-of-cancer/' target='_blank'>Mayo Clinic: Aspirin and Cancer Prevention</a> </li></ul>
5
NEAREST SITE: 744 miles
Center for Indigenous Health
Whiteriver,AZ
VISITS: Number of visits unavailable
PHASE: NA
NCT ID: NCT05665660
Culturally Relevant Education and Coaching to Improve Breast Cancer Screening in American Indian or Alaska Native Women
Developing and Evaluating Scalable and Culturally Relevant Interventions to Improve Breast Cancer Screening Among White Mountain Apache Women Scientific Title
Purpose
To study ways to promote breast cancer screening among women in the White Mountain Apache community.
Who is this for?
American Indian or Alaska Native women who live on or within 60 miles of the Fort Apache Indian Reservation. You must not have had a mammogram in the last year or have a personal history of breast cancer.
Full eligibility criteria
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<p class="seamTextPara"> You will be randomly assigned to 1 of 2 groups: </p> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 1</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">CARE: Complete mammogram education course</li> <li class="seamTextUnorderedListItem">COACH: Access to an Apache women's health coach</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 2</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">CARE: Complete mammogram education course</li> </ul> <p class="seamTextPara"> followed 3 months later by: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">COACH: Access to an Apache women's health coach (optional)</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">CARE provides culturally tailored mammography education.</li> <li class="seamTextUnorderedListItem">COACH is an Apache paraprofessional women's health coach, also known as a patient navigator.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT05665660' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://americanindiancancer.org/aicaf-project/breast-cancer-awareness/' target='_blank'>American Indian Cancer Foundation: Breast Cancer in American Indian Women</a> </li><li class='seamTextUnorderedListItem'><a href='https://ascopost.com/news/march-2023/regardless-of-income-american-indiannative-american-women-may-be-less-likely-to-undergo-mammography-than-white-women/' target='_blank'>ASCO Post: American Indian Women and Mammography</a> </li></ul>
6
NEAREST SITE: 896 miles
University of New Mexico - Cancer Center
Albuquerque,NM
VISITS: 4 visits within 1 month
PHASE: NA
NCT ID: NCT04259762
Education Sessions to Increase Breast Cancer Screening in Native American Women in New Mexico
Enhancing Cancer Prevention and Control Pathways-Native Health Initiative Scientific Title
Purpose
To develop and test ways to increase breast cancer screening in Native American women.
Who is this for?
Women between 50-75 years old who live in the Zuni Pueblo in New Mexico. You must not have had a mammogram within the last 2 years or have a history of breast cancer.
Full eligibility criteria
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<p class="seamTextPara"> You will receive the following: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Attend group education sessions, weekly for 1 month</li> <li class="seamTextUnorderedListItem">Review breast cancer brochure</li> <li class="seamTextUnorderedListItem">Voucher for mammogram</li> <li class="seamTextUnorderedListItem">Surveys</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Native American women are less likely to receive breast cancer screening than other groups.</li> <li class="seamTextUnorderedListItem">The education sessions will discuss breast cancer myths, facts, risk factors, symptoms, screening, and action plans.</li> <li class="seamTextUnorderedListItem">A mammogram is a breast cancer screening procedure involving taking an x-ray picture of the breast.</li> <li class="seamTextUnorderedListItem">This trial is also enrolling people with other types of cancer.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT04259762' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.breastcancer.org/screening-testing' target='_blank'>Breastcancer.org: Breast Cancer Screening and Testing</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.webmd.com/breast-cancer/breast-cancer-native-american-women#:~:text=Native%20American%20women%20have%20one,women%20are%20hormone%20receptor%2Dpositive.' target='_blank'>WebMD: Breast Cancer and Screening in Native Americans</a> </li></ul>
7
Melody® Test Using Tears to Screen Women With Dense Breast Tissue for Breast Cancer
Investigation of Melody®, a Lab Developed Test for Breast Cancer, as a Supplemental Tool to Current Screening Recommendations for Women With Dense Breast Tissue. Scientific Title
Purpose
To study the ability of the Melody® test to use tears to screen women with dense breast tissue for breast cancer.
Who is this for?
Women with dense breast tissue who have not been diagnosed with breast cancer.
Full eligibility criteria
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<p class="seamTextPara"> You will complete the following: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Provide tears sample for Melody® test</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">A biomarker is a gene, protein, or molecule produced by the body or tumor in a person with cancer that tells a doctor something about the cancer cells.</li> <li class="seamTextUnorderedListItem">Biomarkers can be identified from tumor, blood, tears, and other samples.</li> <li class="seamTextUnorderedListItem">The Melody® test identifies biomarkers in your tears to screen women with dense breasts for breast cancer.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT05268224' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://auria.care/' target='_blank'>Namida Lab: Auria Test Using Tears for Breast Cancer Screening</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.mana.md/melody/' target='_blank'>Medical Associates of Northwest Arkansas: Melody® Test</a> </li></ul>
8
NEAREST SITE: 1615 miles
Mayo Clinic
Rochester,MN
VISITS: Number of visits unavailable
PHASE: II-III
NCT ID: NCT04570956
Tamoxifen Hormone Therapy for Women With Atypical Hyperplasia or LCIS
A Phase IIB Randomized Trial of Oral Tamoxifen vs. Topical 4-hydroxytamoxifen Gel vs. Control in Women With Atypical Hyperplasia or Lobular Carcinoma In Situ Scientific Title
Purpose
To study changes in breast tissue after treatment with tamoxifen by mouth or gel.
Who is this for?
Women with atypical hyperplasia or lobular carcinoma in situ (LCIS).
Full eligibility criteria
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<p class="seamTextPara"> You will be randomly assigned to 1 of 3 groups: </p> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 1</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Tamoxifen (Nolvadex®), by mouth, daily</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 2</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Placebo for tamoxifen (Nolvadex®), by mouth, daily</li> <li class="seamTextUnorderedListItem">4-hydroxytamoxifen (TamGel®), gel rubbed on the breast, daily</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 3</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Placebo for tamoxifen (Nolvadex®), by mouth, daily</li> <li class="seamTextUnorderedListItem">Placebo for 4-hydroxytamoxifen (TamGel®), gel rubbed on the breast, daily</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Additional Procedures</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">2 biopsies</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Tamoxifen (Nolvadex®) is a type of hormone therapy called a selective estrogen receptor modulator (SERM). SERMs work by blocking the activity of estrogen.</li> <li class="seamTextUnorderedListItem">4-hydroxytamoxifen (TamGel®) is a gel version of tamoxifen.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT04570956' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.mayoclinic.org/diseases-conditions/breast-cancer/in-depth/breast-cancer/art-20045353#:~:text=Tamoxifen%20is%20used%20to%20reduce,score%20is%20greater%20than%201.7%25.' target='_blank'>Mayo Clinic: Tamoxifen for Breast Cancer Prevention</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.breastcancer.org/treatment/hormonal-therapy/tamoxifen' target='_blank'>Breastcancer.org: Tamoxifen (Nolvadex®)</a> </li></ul>
9
NEAREST SITE: 2054 miles
University of Michigan Rogel Cancer Center
Ann Arbor,MI
VISITS: Number of visits unavailable
PHASE: NA
NCT ID: NCT05700006
Effects of Hormone Therapy vs. No Hormone Therapy for Breast Cancer and Breast Cancer Prevention on Aging and the Microbiome
An Observational Study of Women With Breast Cancer Examining the Effect of Endocrine Therapy on Aging Scientific Title
Purpose
To study the effects of hormone therapy on biomarkers of aging and the microbiome.
Who is this for?
Women with stage 0 (DCIS), stage I, stage II, or stage III breast cancer or women at high risk of developing breast cancer. You must not have received treatment with an aromatase inhibitor for breast cancer or breast cancer prevention.
Full eligibility criteria
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<p class="seamTextPara"> You will be assigned to 1 of 3 groups depending on your situation: </p> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 1: Over 65 and Planning to Receive Hormone Therapy</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Physician's choice of anastrozole (Arimidex®), exemestane (Aromasin®), or letrozole (Femara®)</li> <li class="seamTextUnorderedListItem">3 stool samples, questionnaires, blood draws</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 2: Over 65 and Not Planning to Receive Hormone Therapy (Control Group)</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">3 stool samples, questionnaires, blood draws</li> </ul> <p class="seamTextPara"> <i class="seamTextEmphasis">Group 3: Under 65 and Planning to Receive Hormone Therapy</i> </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">Physician's choice of anastrozole (Arimidex®), exemestane (Aromasin®), or letrozole (Femara®)</li> <li class="seamTextUnorderedListItem">3 stool samples, questionnaires, blood draws</li></ul>
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<ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">The microbiome is the collection of microorganisms (bacteria) living in your digestive tract.</li> <li class="seamTextUnorderedListItem">Anastrozole (Arimidex®), exemestane (Aromasin®), and letrozole (Femara®) are types of hormone therapy called aromatase inhibitors. Aromatase inhibitors block some production of estrogen that helps cancer grow.</li></ul>
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<ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT05700006' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.breastcancer.org/treatment/hormonal-therapy/arimidex' target='_blank'>Breastcancer.org: Anastrozole (Arimidex®)</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.breastcancer.org/treatment/hormonal-therapy/aromasin' target='_blank'>Breastcancer.org: Exemestane (Aromasin®)</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.breastcancer.org/treatment/hormonal-therapy/femara' target='_blank'>Breastcancer.org: Letrozole (Femara®)</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.insideprecisionmedicine.com/topics/oncology/breast-cancer/probiotic-bacteria-may-improve-efficacy-of-endocrine-targeted-therapies-for-breast-cancer/' target='_blank'>Inside Precision Medicine: Breast Cancer Treatments and the Microbiome</a> </li></ul>
