🏛️ Verified NIH Record • Updated 2026-08-05

Study of Abemaciclib and Elacestrant in Participants With Brain Metastasis Due to ER+/HER-2- Breast Cancer (NCT05386108)

An Open-label Multicenter Phase 1b-2 Study of Elacestrant in Combination With Abemaciclib in Women and Men With Brain Metastasis From Estrogen Receptor Positive, HER-2 Negative Breast Cancer

🟢 Recruiting Phase1 / Phase2 💊 Investigational Drug / Biologic Sponsor: Stemline Therapeutics, Inc.

🩺 Plain-English Summary (8th-Grade Level)

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.

Who can join: Review the eligibility criteria below.

Location: Providence Medical Foundation — Fullerton, California

Age range: 18 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (86 Sites)

Showing the first 25 of 86 sites.

  • Providence Medical Foundation — Fullerton, California
  • California Research Institute — Los Angeles, California
  • Carle Cancer Center — Urbana, Illinois
  • Dana-Farber Cancer Institute — Boston, Massachusetts
  • Henry Ford Hospital — Detroit, Michigan
  • Miami Valley Hospital South — Centerville, Ohio
  • Oregon Health & Science University — Portland, Oregon
  • SCRI Oncology Partners — Nashville, Tennessee
  • University of Texas MD Anderson Cancer Center — Houston, Texas
  • UT Health San Antonio University of Texas — San Antonio, Texas
  • Virginia Cancer Institute — Norfolk, Virginia
  • Antwerp University Hospital — Edegem,
  • Universitaire Ziekenhuizen Leuven - Campus Gasthuisberg — Leuven,
  • Universite Catholique de Louvain (UCL) - Cliniques Universitaires Saint-Luc — Woluwe-Saint-Lambert,
  • Institut de Cancerologie de l'Ouest site Paul Papin — Angers,
  • Hôpital Morvan - CHRU de Brest - cancérologie et d'hématologie — Brest,
  • Centre Francois Baclesse - Oncologie Medicale - Cancerolo — Caen,
  • Centre Jean Perrin — Clermont-Ferrand,
  • Centre Léon Bérard - Département Oncologie Médicale — Lyon,
  • Centre de Cancerologie du Grand Montpellier — Montpellier,
  • Hôpital de la Pitiê Salpêtriêre — Paris,
  • Centre Hospitalier Universitaire de Poitiers — Poitiers,
  • Institut Claudius Regaud — Toulouse,
  • Klinikum Bayreuth GmbH — Bayreuth,
  • Uniklinik Koeln - Klinik und Poliklinik fuer Frauenheilkunde — Cologne,

📞 Contact the Study Coordinator

Phone: (877) 332-7961

Email: clinicaltrials@menarinistemline.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Breast Neoplasms clinical trials

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗