Condition

Estrogen Receptor-Positive Breast Carcinoma clinical trials and research

• 6Clinical trials
• 2Countries

Newest Estrogen Receptor-Positive Breast Carcinoma clinical trials

All recruiting trials (6)

• Hormone therapy with ribociclib vs chemotherapy followed by hormone therapy with ribociclib for high-risk stage breast cancer

  This trial tests whether hormone therapy with ribociclib works as well as chemotherapy followed by hormone therapy with ribociclib for patients with high-stage, estrogen receptor-positive, HER2-negative breast cancer at low risk of recurrence.

  Recruiting at 257 sites Phase 3 National Cancer Institute (NCI) · Jonesboro, Arkansas and 257 other locations · NCT07391774

• Using turkey tail mushroom to treat post-menopausal women with specific breast cancer before surgery

  This study is testing if taking turkey tail mushroom can help post-menopausal women with a specific type of breast cancer feel better and improve their tumors before surgery.

  Recruiting Phase 2 Mayo Clinic · Scottsdale, Arizona · NCT06450873

• Improving skin quality and self-esteem in breast cancer survivors on hormone therapy

  This study is testing how hormone therapy affects skin quality and self-esteem in breast cancer survivors, while also offering skincare advice to see if it helps them feel better about themselves.

  Recruiting Mayo Clinic · Jacksonville, Florida · NCT06401889

• Using targeted radiation therapy for treating specific metastatic breast cancer cases

  This study is testing if a targeted radiation treatment can help people with certain types of metastatic breast cancer keep taking their regular medication for at least 24 weeks while also checking how it affects their safety and quality of life.

  Recruiting at 2 sites Phase 2 City of Hope Medical Center · Duarte, California and 1 other locations · NCT06260033

• Finding the best dose of tamoxifen to reduce breast cancer risk in premenopausal women

  This study is testing if a higher dose of tamoxifen can help premenopausal women at higher risk for breast cancer by reducing breast density on mammograms.

  Recruiting at 10 sites Phase 2 National Cancer Institute (NCI) · Tucson, Arizona and 10 other locations · NCT06184750

• Using Reishi mushroom extract to treat fatigue and pain in breast cancer patients on aromatase inhibitors

  This study is testing whether Reishi mushroom extract can help reduce fatigue and pain in breast cancer patients who are taking aromatase inhibitors.

  Recruiting Phase 2 Mayo Clinic · Albert Lea, Minnesota and 22 other locations · NCT06028022

Related topics

Quick answers

How many Estrogen Receptor-Positive Breast Carcinoma clinical trials are recruiting right now?

6, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 2 countries. The most sites are in United States (6 trials), Puerto Rico (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2: 4, Phase 3: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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