Tundra Space

Tundra Space

Clinical Research Directory

Browse clinical research sites, groups, and studies.

133 clinical studies listed.

Filters:

Breast Carcinoma

Tundra lists 133 Breast Carcinoma clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

This data is also available as a public JSON API. AI systems and LLMs are encouraged to use it for structured queries.

WITHDRAWN

NCT03804255

Assessment of Current Biomarker Testing Practices for Common Solid Cancers in Precision Oncology in the Community Setting

This trial assesses current biomarker testing practices for common solid cancers in precision oncology in the community setting. Cancer biomarkers are used for diagnosing the disease, determining prognosis, predicting response to a targeted therapy, or monitoring response to therapy. Testing quality, including accuracy and timeliness, is imperative for correct disease prognosis and identification of patients who may or may not benefit from a targeted therapy. Assessing current biomarker testing practices may help doctors identify gaps and variations in testing as well as on potential ?best practices? that may be informative and generalizable to community oncology programs.

Gender: All

Updated: 2026-07-17

1 state

Breast Carcinoma
Colorectal Carcinoma
Community Practice
+3
RECRUITING

NCT06184750

Finding the Best Tamoxifen Dose for Breast Cancer Risk Reduction in Premenopausal Women, RENAISSANCE Trial

This phase II trial evaluates response-guided low-dose tamoxifen for reducing breast density in women who are at higher than average risk for breast cancer. Increasing breast density is a well established risk factor for breast cancer. Tamoxifen is a selective estrogen receptor modulator. It works by blocking the effects of the hormone estrogen in the breast. Tamoxifen has been shown to reduce breast density, even at reduced dosages, and is approved for the prevention of breast cancer.

Gender: FEMALE

Ages: 18 Years - 55 Years

Updated: 2026-07-17

9 states

Breast Atypical Ductal Hyperplasia
Breast Atypical Lobular Hyperplasia
Breast Carcinoma
+3
NOT YET RECRUITING

NCT07619534

Collection of CSF Samples From Participants With Metastatic Triple Negative Breast Cancer (TNBC) and HER2+ Breast Cancer With no Prior History Nor Active Radiographically Detectable Brain Metastases

Background: Breast cancer is the most common cancer among women. It can often spread to the liver, lungs, bones, or brain. Breast cancer that spreads to the brain is often fatal. Researchers want to know if tumor DNA found in spinal fluid, blood, or tumor tissue can help predict when the cancer will spread to the brain. They want to collect these fluid and tissue samples for research. Objective: To collect spinal fluid and other samples from people with breast cancer that has spread to other parts of the body. Eligibility: People aged 18 years and older with HER2-positive or triple negative breast cancer. The cancer must have spread to other parts of the body but not to the brain. Design: Participants will be screened. They will have blood tests to assess kidney function. They will have an imaging scan of the brain. Participants will come to the NIH clinic to have their samples collected: * Spinal fluid. A thin needle will be inserted into the lower back to draw out a sample of fluid from the space around the spinal cord. A physical exam and blood tests will be done to make sure it is safe for participants to have this procedure. * Blood. * Saliva or cheek swabs. They will rub a cotton swab inside of their mouth. * Tumor samples. If participants have had samples of tumor tissue (biopsies) collected in the past, leftover tissue may be used for this study. Participants will be contacted for follow-up every 6 months for 3 years. They may return once a year to provide further samples.

Gender: All

Ages: 18 Years - 120 Years

Updated: 2026-07-17

1 state

Breast Cancer
Breast Carcinoma
Cancer of the Breast
+1
SUSPENDED

NCT06060561

Genetic Testing to Improve Management of Patients Undergoing Breast Biopsy

This study evaluates genetic testing to improve risk assessment and advance efforts to develop precision management for breast cancer by studying saliva samples for genotyping and evaluate associations with pathologic diagnoses and detailed pathologic and radiologic features.

Gender: FEMALE

Ages: 18 Years - Any

Updated: 2026-07-16

1 state

Breast Carcinoma
ACTIVE NOT RECRUITING

NCT06557148

A Study Comparing Cancer Imaging Approaches in People With Lobular Breast Cancer

The purpose of this study to compare two types of cancer imaging scans to see which is better at detecting and monitoring metastatic ILC. This study will compare PET/CT (positron emission tomography/computed tomography) scans using the radiotracer fluorine 18 (18F)-fluoroestradiol (FES) with a standard imaging approach for detecting and monitoring ILC, PET/CT scans using the radiotracer 18F-fluorodeoxyglucose (FDG). These scans will be referred to as FES PET/CT scans and FDG PET/CT scans.

Gender: All

Ages: 18 Years - Any

Updated: 2026-07-14

2 states

Breast Cancer
Lobular Breast Carcinoma
Breast Carcinoma
+3
ACTIVE NOT RECRUITING

NCT02465060

Targeted Therapy Directed by Genetic Testing in Treating Patients With Advanced Refractory Solid Tumors, Lymphomas, or Multiple Myeloma (The MATCH Screening Trial)

This phase II MATCH screening and multi-sub-trial studies how well treatment that is directed by genetic testing works in patients with solid tumors, lymphomas, or multiple myelomas that may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced) and does not respond to treatment (refractory). Patients must have progressed following at least one line of standard treatment or for which no agreed upon treatment approach exists. Genetic tests look at the unique genetic material (genes) of patients' tumor cells. Patients with genetic abnormalities (such as mutations, amplifications, or translocations) may benefit more from treatment which targets their tumor's particular genetic abnormality. Identifying these genetic abnormalities first may help doctors plan better treatment for patients with solid tumors, lymphomas, or multiple myeloma.

Gender: All

Ages: 18 Years - Any

Updated: 2026-07-10

51 states

Advanced Lymphoma
Advanced Malignant Solid Neoplasm
Bladder Carcinoma
+49
RECRUITING

NCT06995898

The Vanguard Study: Testing a New Way to Screen for Cancer

The Vanguard Study is a feasibility study to explore several aspects of evaluating multi-cancer detection (MCD) tests in a future definitive randomized controlled trial. An MCD test measures markers in the blood in order to screen for multiple cancers simultaneously. There is a need to understand how MCDs may work as cancer screening tools. The goal of cancer screening is to reduce the burden of cancer by identifying cancers before they show symptoms or signs, when treatment is likely to be most effective. In this study, adults aged 45-75 without cancer will be randomly assigned to one of 3 groups: 2 separate MCD test groups or a control group. These two MCD tests will not be compared to each other but will be compared to cancers detected in the control group. This study will provide early information on how well MCD tests perform as cancer screening tools. It will also help researchers understand how patients and their doctors make decisions about their care when the MCD test result comes back as normal (negative) or abnormal (positive).

Gender: All

Ages: 45 Years - 75 Years

Updated: 2026-07-08

10 states

Bladder Carcinoma
Breast Carcinoma
Colorectal Carcinoma
+8
NOT YET RECRUITING

NCT07690852

Environmental Exposure Assessment in High-Risk and Early-Onset Breast Cancer Care

This study evaluates patient and provider attitudes about environmental exposure risk assessments into clinical care for female patients at average or high risk for breast cancer and/or diagnosed with early onset breast cancer.

Gender: FEMALE

Ages: 18 Years - Any

Updated: 2026-07-08

1 state

Breast Carcinoma
RECRUITING

NCT05941520

Acolbifene Versus Low Dose Tamoxifen for the Prevention of Breast Cancer in Premenopausal Women at High Risk for Development of Breast Cancer

This phase IIA trial compares the effect of acolbifene versus low dose tamoxifen in preventing breast cancer in premenopausal women at high risk for developing breast cancer. The usual approach for patients at increased risk for breast cancer is to undergo yearly breast magnetic resonance imaging or ultrasound in addition to yearly mammogram. Premenopausal women at very high lifetime risk for breast cancer (greater than 50%) can consider preventive removal (mastectomy) of both breasts. Premenopausal women age 35 or older with a prior diagnosis of atypical hyperplasia, lobular carcinoma in situ, or an estimated 10-year risk of greater than or equal to 3% or estimated 10-year risk of greater than or equal to 2-5 times that of the average woman (depending on age) may be advised to consider five years of standard dose tamoxifen. Standard dose tamoxifen is four times the dose used in this study. Estrogen can cause the development and growth of breast cancer cells. Acolbifene and tamoxifen blocks the use of estrogen by breast cells. This study may help researchers measure the effects of acolbifene and low dose tamoxifen on markers of breast cancer risk in mammogram imaging, breast tissue, and in blood samples.

Gender: FEMALE

Ages: 35 Years - Any

Updated: 2026-07-07

4 states

Breast Atypical Hyperplasia
Breast Carcinoma
Breast Ductal Carcinoma In Situ
+1
ACTIVE NOT RECRUITING

NCT05325151

Genetic Counseling Patient Preference Intervention Versus Conventional Genetic Counseling for Women at Elevated Risk for Breast Cancer

This stage I clinical trial compares a genetic counseling patient preference (GCPP) intervention via EHR MyChart patient portal to conventional genetic counseling for women at elevated risk for breast cancer. Women at elevated breast cancer risk may be offered genetic counseling and genetic testing to further define whether they are at high risk (e.g. hereditary risk; BRCA mutation positive); moderate risk (e.g. risk based largely on family history and/or polygenic risk score) or average risk (e.g. general population). Genetic counseling may improve basic genetic knowledge, produce more accurate risk perceptions and tailor recommendations for greater perceived personal control regarding breast cancer risk. A single approach to genetic counseling may not fit the needs for all patients, and genetic counseling models that increase access to genetic testing and are more patient-centered may better serve patients. This trial may help researchers determine if a GCPP intervention can take the place of conventional genetic counseling, while being non-inferior in terms of adherence to screening recommendations, breast cancer genetic knowledge, accurate perception of risk, breast cancer-specific worry, and satisfaction with counseling compared to conventional genetic counseling. Study results will provide the efficacy for using a novel cancer genetic counseling approach via EHR MyChart patient portal that will be readily adaptable to other health care systems in the future, inform best practices, and reduce workforce burden.

Gender: FEMALE

Ages: 30 Years - 64 Years

Updated: 2026-07-06

1 state

Breast Carcinoma
ACTIVE NOT RECRUITING

NCT07118176

Determining the Biodistribution of an Imaging Tracer (68Ga-FAPi-46) in Patients With Solid Tumors or Hematologic Cancers

This phase I trial is evaluating a new imaging tracer (68Ga-FAPi-46) with positron emission tomography (PET)/computed tomography (CT) to determine where and to which degree the tracer (68Ga-FAPi-46) accumulates in normal and cancer tissues (the biodistribution) in patients with solid tumors or hematologic (blood) cancers. PET is an established imaging technique that utilizes small amounts of radioactivity attached to very minimal amounts of tracer, in the case of this research, 68Ga-FAPi-46. Because some cancers take up 68Ga-FAPi-46, it can be seen with PET. CT utilizes x-rays that traverse the body from the outside. CT images provide an exact outline of organs and potential inflammatory tissue where it occurs in a patient's body. Combining a PET scan with a CT scan can help make the image easier to interpret. PET/CT scans are hybrid scanners that combine both modalities into a single scan during the same examination.

Gender: All

Ages: 18 Years - Any

Updated: 2026-07-02

1 state

Anal Carcinoma
Bladder Carcinoma
Breast Carcinoma
+31
RECRUITING

NCT05716893

Study of Aerobic Training for People Receiving Treatment for Breast Cancer

In this study, investigators will compare standard Aerobic Training/AT with adaptive Aerobic Training/AT. Standard AT will be a fixed (unchanging) amount of walking each week, while adaptive AT will adjust the level of exercise depending on participants' response to the exercise. Investigators will see how both study approaches (standard AT and adaptive AT) affect participants' CRF.

Gender: FEMALE

Ages: 18 Years - Any

Updated: 2026-06-29

2 states

Breast Cancer
Breast Carcinoma
NOT YET RECRUITING

NCT07671690

Prediction of Neoadjuvant Therapy Efficacy and Prognosis for Breast Cancer Based on Multimodal Data

This study aims to develop a multimodal deep learning model integrating MRI, ultrasound, digital pathology and clinical information based on multicenter retrospective data. To externally validate the model in an independent prospective cohort, and evaluate its accuracy in predicting pathological complete response (pCR), 3-year and 5-year disease-free survival (DFS). To establish visual tools such as nomograms, assisting clinicians in identifying patients with chemoresistance and facilitating individualized de-escalation or escalation treatment strategies.

Gender: FEMALE

Ages: 18 Years - 80 Years

Updated: 2026-06-26

Breast Carcinoma
TERMINATED

NCT00520975

Bevacizumab in Treating Patients With Metastatic Breast Cancer That Overexpresses HER-2/NEU

This randomized phase III trial studies first-line chemotherapy and trastuzumab to compare how well they work when given with or without bevacizumab in treating patients with breast cancer that overexpresses human epidermal growth factor receptor 2 (HER-2/NEU) and has spread to other areas of the body. Drugs used in chemotherapy, such as paclitaxel and carboplatin, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Monoclonal antibodies, such as trastuzumab and bevacizumab, may interfere with the ability of tumor cells to grow and spread. Bevacizumab may also stop the growth of breast cancer by blocking the growth of new blood vessels necessary for tumor growth. It is not yet known whether giving first-line chemotherapy together with trastuzumab is more effective with or without bevacizumab in treating patients with metastatic breast cancer that overexpresses HER-2/NEU.

Gender: All

Ages: 18 Years - Any

Updated: 2026-06-23

38 states

Breast Carcinoma
Recurrent Breast Carcinoma
Stage IV Breast Cancer
RECRUITING

NCT06112613

Mobile Health for Adherence in Breast Cancer Patients

This clinical trial compares the use of the connected customized treatment platform (CONCURxP), consisting of using a medication monitoring device called WiseBag along with text message reminders for missed or extra medication events, to enhanced usual care (EUC), where patients only use the WiseBag, to monitor medication adherence in patients with metastatic breast cancer who are taking a CKD4/6 inhibitor. To ensure CDK4/6 inhibitors achieve their full clinical benefit, patients need to take them as prescribed, following a complex treatment schedule. Forgetfulness was the most common reason reported for medication non adherence. Using the WiseBag along with CONCURxP or enhanced usual care may improve medication adherence in patients with metastatic breast cancer who are taking a CKD4/6 inhibitor.

Gender: All

Ages: 18 Years - Any

Updated: 2026-06-18

40 states

Anatomic Stage IV Breast Cancer AJCC v8
Breast Carcinoma
HER2-Negative Breast Carcinoma
+1
ACTIVE NOT RECRUITING

NCT01366144

Veliparib, Paclitaxel, and Carboplatin in Treating Patients With Solid Tumors That Are Metastatic or Cannot Be Removed by Surgery and Liver or Kidney Dysfunction

This phase I trial studies the side effects and the best dose of veliparib when given together with paclitaxel and carboplatin in treating patients with solid tumors that are metastatic or cannot be removed by surgery and liver or kidney dysfunction. Veliparib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as paclitaxel and carboplatin, work in different ways to stop the growth of tumor cells either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving veliparib together with paclitaxel and carboplatin may kill more tumor cells.

Gender: All

Ages: 18 Years - Any

Updated: 2026-06-17

12 states

Breast Carcinoma
Carcinoma of Unknown Primary
Endometrial Carcinoma
+11
RECRUITING

NCT05557877

Low Dose Aspirin for the Prevention of Postpartum Related Breast Cancer

This phase II trial tests whether low-dose aspirin can affect markers of inflammation in postpartum (after childbirth) women planning to have a breast biopsy. Chronic inflammation may increase the risk of postpartum related breast cancer. Low-dose aspirin is a non-steroidal anti-inflammatory drug. Giving low-dose aspirin may affect markers of inflammation in blood and tissue and may prevent postpartum related breast cancer.

Gender: FEMALE

Ages: 18 Years - 45 Years

Updated: 2026-06-16

5 states

Breast Carcinoma
RECRUITING

NCT07474090

Personalized Exercise Program for Survivors of Breast Cancer, STEPS-BC Trial

This clinical trial studies whether a healthy living intervention (HLI), with or without a physical activity intervention (PAI), helps maintain the ability to exercise, heart health, and quality of life in breast cancer patients who are scheduled to receive chemotherapy treatment. Early detection and enhanced therapies for breast cancer have improved 5-year cancer-related survival rates. Unfortunately, many breast cancer survivors are at high risk for long-term exercise intolerance, decreased heart health, and lower quality of life following chemotherapy. Currently, there are no effective therapies to help patients maintain these areas throughout chemotherapy. The HLI in this study includes virtual health education classes, which provide useful information on topics like proper nutrition, managing stress, and sleep practices. This may help patients understand the importance of living a healthy lifestyle during chemotherapy. The PAI in this study consists of virtual exercise sessions personalized to the needs of the patient, which may make it easier for patients to stay active during chemotherapy. HLI with PAI may be a more effective way to help maintain ability to exercise, heart health, and quality of life in breast cancer patients who are scheduled to receive chemotherapy treatment.

Gender: All

Ages: 18 Years - 85 Years

Updated: 2026-06-15

1 state

Anatomic Stage I Breast Cancer AJCC v8
Anatomic Stage II Breast Cancer AJCC v8
Anatomic Stage III Breast Cancer AJCC v8
+3
RECRUITING

NCT05704283

3D Ultrasound for the Imaging of Lymph Nodes in Patients With Breast Cancer

This early phase I studies how well a new 3D ultrasound (3D-US) imaging technology works in evaluating lymph nodes in patients with breast cancer. Ultrasound uses high-frequency sound waves to generate images of the body.

Gender: FEMALE

Ages: 18 Years - Any

Updated: 2026-06-15

1 state

Breast Carcinoma
RECRUITING

NCT05178498

Impact of Dietary Inflammatory Potential on Breast Cancer Risk

This study evaluates the association of dietary inflammatory potential with breast cancer risk. Information collected in this study may help doctors to identify modifiable risk factors, screen high risk patients early, improve prevention strategies, and provide timely intervention for early therapeutic management as needed.

Gender: All

Ages: 18 Years - Any

Updated: 2026-06-12

1 state

Breast Atypical Ductal Hyperplasia
Breast Atypical Lobular Hyperplasia
Breast Carcinoma
+2
ACTIVE NOT RECRUITING

NCT05226663

A Radiotracer ([18F]FluorThanatrace) by PET/CT for the Imaging of Breast Cancer

This phase II trial tests whether \[18F\]FluorThanatrace by positron emission tomography (PET)/computed tomography (CT) can improve imaging techniques in patients with breast cancer undergoing a standard of care biopsy or surgery. \[18F\]FluorThanatrace is a new radioactive tracer, which is a type of imaging agent that is labeled with a radioactive tag and injected into the body to help with imaging scans. PET is an established imaging technique that utilizes small amounts of radioactivity attached to very minimal amounts of tracer, in the case of this research, \[18F\]FluorThanatrace. Because some cancers take up \[18F\]FluorThanatrace it can be seen with PET. CT utilizes x-rays that traverse body from the outside. CT images provide an exact outline of organs and potential inflammatory tissue where it occurs in patient's body. \[18F\]FluorThanatrace by PET/CT may help detect the activity of a certain enzyme in the body that may be related to cancer growth in patients with breast cancer.

Gender: All

Ages: 18 Years - Any

Updated: 2026-06-12

3 states

Breast Carcinoma
ACTIVE NOT RECRUITING

NCT05132296

Mobile-Health Delivery of Lifestyle Interventions for Women With Breast Cancer

This clinical trial aims to develop a lifestyle program to improve clinical outcomes in women with breast cancer who do not have a healthy diet, regular exercise habits, or ways to manage their stress well. The program will include support and counseling in healthy eating, physical activity, stress management and mindfulness, learning sleep hygiene techniques, and behavioral counseling in addition to social support. Developing a lifestyle program may help improve quality of life and encourage healthy lifestyle choices among patients diagnosed with breast cancer.

Gender: FEMALE

Ages: 18 Years - Any

Updated: 2026-06-12

2 states

Breast Carcinoma
RECRUITING

NCT00991094

Data Collection for the Assessment of Acute and Late Normal Tissue in Patients Treated With Proton Therapy

This study collects information on the side effects of proton therapy and detailed information on the proton therapy treatment plan itself. This may help researchers develop methods to predict the risk of side effects for future patients and learn the long-term benefit of proton therapy.

Gender: All

Ages: 18 Years - Any

Updated: 2026-06-12

1 state

Breast Carcinoma
Esophageal Carcinoma
Genitourinary System Carcinoma
+6
SUSPENDED

NCT07067138

A Synthetic Lethality-Focused Algorithm to Identify Therapeutic Options in Advanced Metastatic Breast Cancer (SYNTHESIS-Breast)

Background: Breast cancer is the most common cancer in US women. There are different types of breast cancers; some are aggressive and difficult to treat. Researchers want to know if an algorithm (ENLIGHT) can help choose approved drugs that will treat these cancers more effectively. Objective: To test whether ENLIGHT can find better treatments for aggressive breast cancers. Eligibility: People aged 18 years and older with triple-negative or endocrine therapy resistant breast cancer; the cancer must have either failed to respond to treatment or come back after treatment. Design: Participants will be screened. A sample of tissue taken from the tumor will be tested using ENLIGHT as well as another method (TruSight Oncology 500). Participants will be assigned to 1 of 3 groups based on the algorithm search results: Group 1: No drug option was recommended. Participants will continue with their standard treatment with their local doctors. Group 2: A drug already approved for the participant's disease was recommended, but the participant has not yet received it. These results will be sent to the participant's local doctors. Participants may return to the NIH if their disease gets worse after using the suggested drugs. Group 3: A drug approved for other uses was recommended. Participants will be treated with the recommended drugs at the NIH; their care will be managed by an NIH doctor. They will continue to receive treatment as long as the drugs are helping them. They will have follow-up visits for 2 years after treatment ends. Participants who are not treated at the NIH will be contacted for a check on their health every 3 months for 2 years.

Gender: All

Ages: 18 Years - 120 Years

Updated: 2026-06-04

1 state

Breast Cancer
Breast Carcinoma
Cancer of the Breast
+1