Elacestrant vs Elacestrant Plus a CDK4/6 Inhibitor in Patients With ERpositive/HER2-negative Advanced or Metastatic Breast Cancer

⚠️

This is not medical advice. AI-assisted translation — inaccuracies may occur. Always verify the original and consult your oncologist before taking any steps.

About the trial

Breast cancer is not only the leading cause of cancer in women, but also the leading cause of cancer deaths in women. Estrogen receptor-positive and HER2-negative breast cancer is the most prevalent breast cancer subtype. Endocrine therapy is the mainstay of treatment; however, due to the varied nature of the disease, development of resistance to this therapeutic approach is very common in the metastatic setting. The purpose of this study is to see whether the effectiveness of elacestrant can be enhanced by combining it with a targeted agent such as a CDK4/6 inhibitor to treat patients with ER+/HER2- or metastatic breast cancer with prior exposure to a CDK4/6 inhibitor.

Original English text from ClinicalTrials.gov

Who can (and can't) join

✓ Qualifies

  • Rak piersi potwierdzony badaniem histologicznym lub cytologicznym jako ER-dodatni i HER2-ujemny.
  • Potwierdzona mutacja genu ESR1 (informacja z historii leczenia pacjenta).
  • Przynajmniej jedna widoczna zmiana nowotworowa (w ciele lub w kościach) do zmierzenia.
  • Przynajmniej dwa wcześniejsze leczenia hormonalne w chorobie przerzutowej, w tym inhibitor CDK4/6.
  • Pacjent(ka) ma 18 lat lub więcej.
  • Ogólny stan zdrowia pacjenta pozwala na codzienne funkcjonowanie (status ECOG 0 lub 1).
  • Dobre wyniki badań krwi wskazujące na prawidłową pracę narządów i szpiku kostnego.

Simplified criteria — AI translation

Trial details

Minimum age
18 Years
Last updated (source)
July 2, 2026
Sex
No restrictions

Therapies / drugs in trial

Locations (3)

Northwestern University

Chicago, United States

Rush University Medical Center

Chicago, United States

University of Chicago

Chicago, United States

Trial contact

Contact information from ClinicalTrials.gov. Contact in English.

Share this trial

Data from ClinicalTrials.gov. AI-assisted translation, last sync: 7/1/2026.

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