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Study identifier: NCT05386108 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Study of Abemaciclib and Elacestrant in Participants With Brain Metastasis Due to ER+/HER-2- Breast Cancer

Condition: Breast Neoplasms · Brain Neoplasms · Neoplasms by Site  ·  Sponsor: Stemline Therapeutics, Inc.

PhasePhase 1/Phase 2
Planned participants73
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This is a multi-site, global, open-label study that includes a phase 1b evaluation of elacestrant in combination with abemaciclib in women and men with brain metastases from estrogen receptor (ER)-positive, human epidermal growth factor receptor-2 (HER-2) negative breast cancer. Phase 1b was designed to select the recommended phase 2 dose (RP2D) and is followed by an ongoing phase 2 evaluation of elacestrant in combination with abemaciclib in participants with active brain metastases from ER-positive, HER-2 negative breast cancer.

This description comes directly from the study's public registry record.

Talk to the study team

Stemline Trials  ·  1-877-332-7961  ·  clinicaltrials@menarinistemline.com

Always discuss trial participation with your own doctor first.

Locations (86)

Providence Medical FoundationFullerton, California, United StatesRecruiting
California Research InstituteLos Angeles, California, United StatesRecruiting
Carle Cancer CenterUrbana, Illinois, United StatesRecruiting
Dana-Farber Cancer InstituteBoston, Massachusetts, United StatesRecruiting
Henry Ford HospitalDetroit, Michigan, United StatesRecruiting
Miami Valley Hospital SouthCenterville, Ohio, United StatesRecruiting
Oregon Health & Science UniversityPortland, Oregon, United StatesCompleted
SCRI Oncology PartnersNashville, Tennessee, United StatesRecruiting
University of Texas MD Anderson Cancer CenterHouston, Texas, United StatesRecruiting
UT Health San Antonio University of TexasSan Antonio, Texas, United StatesCompleted
Virginia Cancer InstituteNorfolk, Virginia, United StatesRecruiting
Antwerp University HospitalEdegem, BelgiumRecruiting

+ 74 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT05386108