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Recruiting Phase 3 NCT06492616

NCT06492616 A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

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Clinical Trial Summary
NCT ID NCT06492616
Status Recruiting
Phase Phase 3
Sponsor Stemline Therapeutics, Inc.
Condition Breast Cancer
Study Type INTERVENTIONAL
Enrollment 4,220 participants
Start Date 2024-09-27
Primary Completion 2029-08

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
ElacestrantAnastrozoleLetrozole

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 4,220 participants in total. It began in 2024-09-27 with a primary completion date of 2029-08.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The primary goal of this study is to evaluate the effectiveness of elacestrant versus standard endocrine therapy in participants with node-positive, Estrogen Receptor-positive (ER+), Human Epidermal Growth Factor-2 negative (HER2-) early breast cancer with high risk of recurrence.

Eligibility Criteria

Key Inclusion Criteria: * Histopathologically or cytologically confirmed ER-positive (≥ 10% by immunohistochemistry \[IHC\]), HER2-negative \[IHC = 0, 1+, 2 and in situ hybridization \[ISH\]-negative)\] on tumor biopsy or final surgical pathology specimen early stage resected invasive breast cancer without evidence of recurrence or distant metastases, per local laboratory, according to the American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guidelines * Participants considered at high risk of recurrence at initial staging * Participants who have received at least 24 months but not more than 60 months of endocrine therapy (AIs or tamoxifen) with or without a CDK 4 and CKD 6 inhibitor (CDK4/6i) * Participants who received prior CDK4/6i or a poly adenosine diphosphate-ribose polymerase (PARP) inhibitor must have already completed or discontinued these treatments. Key Exclusion Criteria: * Participants with inflammatory breast cancer * History of any prior (ipsilateral and/or contralateral) invasive breast cancer * Participant with history of malignancy within 3 years of the date of randomization, except for adequately treated basal or squamous cell skin cancer, superficial bladder cancer or carcinoma in situ of the cervix * Participants who have had more than a 6-month continuous interruption of prior SoC adjuvant endocrine therapy or who are off current adjuvant endocrine therapy more than 6 months prior to randomization Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Contact & Investigator

Central Contact

Stemline Trials

✉ clinicaltrials@menarinistemline.com

📞 1-877-332-7961

Principal Investigator

Medical Director

STUDY DIRECTOR

Stemline Therapeutics, Inc.

Frequently Asked Questions

Who can join the NCT06492616 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Breast Cancer. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06492616 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 4,220 participants.

Is NCT06492616 currently recruiting?

Yes, NCT06492616 is actively recruiting participants. Contact the research team at clinicaltrials@menarinistemline.com for enrollment information.

Where is the NCT06492616 trial being conducted?

This trial is being conducted at Daphne, United States, Chandler, United States, Gilbert, United States, Scottsdale, United States and 11 additional locations.

Who is sponsoring the NCT06492616 clinical trial?

NCT06492616 is sponsored by Stemline Therapeutics, Inc.. The principal investigator is Medical Director at Stemline Therapeutics, Inc.. The trial plans to enroll 4,220 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology