CI

At a glance

ClinicalIndex Comparison Record
Phase 2Recruiting· 73 target
Drug / intervention
Elacestrant +1 moredrug
Likely dose
Elacestrant 300 mgfrom record
Key inclusion· 12
  • Women or men aged ≥18 years at informed consent
  • ER-positive, HER-2 negative tumor status confirmed by local testing
  • Phase 2: at least one active and measurable brain metastasis per RECIST 1.1
  • Phase 1b: presence of brain metastases allowed but not required; at least 1 measurable lesion outside brain required
Key exclusion· 14
  • Immediate CNS-specific treatment likely required per treating physician assessment
  • Imminent organ failure and/or visceral crisis
  • Leptomeningeal metastases with positive CSF cytology or unequivocal radiologic/clinical evidence
  • Breast cancer treatment-naïve in advanced/metastatic setting

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05386108
NCT05386108Phase 2RecruitingOn Track
Long Recruiting

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

Stemline Therapeutics, Inc.·interventional·Posted May 23, 2022·Updated Jun 4, 2026

In Brief

A Phase 2 clinical trial evaluating Elacestrant and Abemaciclib for Breast Neoplasms and 7 related conditions. Currently recruiting, targeting 73 participants across 86 sites in 10 countries.

Detailed Summary

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.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBelgium, France, Germany, Greece, Italy, South Korea, Spain, Turkey (Türkiye), United Kingdom, United States
Collaborators--

Timeline

Phase 2Recruiting
20232024202520262027
First PostedMay 23, 2022
Enrollment StartAug 31, 2022
Primary CompletionDec 1, 2026
TodayJul 2, 2026
Enrollment to primary: 4.3 yearsPosted 4.1 years agoPrimary completion in 5 months

Interventions

Elacestrantdrug

300 mg, 400 mg

Abemaciclibdrug

100 mg, 150 mg