Condition
Estrogen Receptor Positive Tumor clinical trials and research
As of November 12, 2026, Find a Trial lists 4 Estrogen Receptor Positive Tumor clinical trials that are recruiting, at sites in 3 countries (most in United States (2), South Korea (1), Denmark (1)). By phase: Phase 1/2 (1), Phase 4 (1), Phase 3 (1), Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 4Clinical trials
- 3Countries
Newest Estrogen Receptor Positive Tumor clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Elacestrant for ER-positive uterine sarcomas | Phase 2 | Boston, Massachusetts | Recruiting | Mar 12, 2026 |
| Platform program for evaluating treatments in metastatic HER2-positive breast cancer | Phase 1/2 | Birmingham, Alabama and 9 other locations | Recruiting | May 22, 2023 |
| Ovarian function suppression for premenopausal women with low-risk breast cancer | Phase 4 | Seoul, Korea and 1 other locations | Recruiting | Apr 18, 2022 |
| Adding atorvastatin to breast cancer treatment for better outcomes | Phase 3 | Aarhus | Recruiting | Oct 23, 2020 |
All recruiting trials (4)
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Elacestrant for ER-positive uterine sarcomas
This trial tests whether the oral drug elacestrant can slow or stop growth in people with advanced estrogen receptor–positive uterine sarcomas.
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Platform program for evaluating treatments in metastatic HER2-positive breast cancer
This study is testing different new treatments for people with advanced HER2-positive breast cancer to see which ones work best before moving them to larger trials.
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Ovarian function suppression for premenopausal women with low-risk breast cancer
This study is testing if lowering ovarian function with hormone treatments can help premenopausal women with low-risk breast cancer after surgery feel better and avoid chemotherapy.
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Adding atorvastatin to breast cancer treatment for better outcomes
This study is testing if adding atorvastatin, a cholesterol-lowering drug, to standard breast cancer treatment can help women with early-stage estrogen receptor positive breast cancer live longer without the disease coming back.
Related topics
Quick answers
How many Estrogen Receptor Positive Tumor clinical trials are recruiting right now?
4, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 3 countries. The most sites are in United States (2 trials), South Korea (1 trial), Denmark (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 1/2: 1, Phase 4: 1, Phase 3: 1, Phase 2: 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.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.