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RecruitingLast updated: 14 May 2024

EMBER-4: This phase III study is measuring how well a new hormone therapy (imlunestrant) works compared to standard hormone therapy (tamoxifen, anastrozole, letrozole, or exemestane) in people with early breast cancer that is ER+ and HER2-A Randomized, Open-Label, Phase 3 Study of Adjuvant Imlunestrant vs Standard Adjuvant Endocrine Therapy in Patients Who Have Previously Received 2 to 5 Years of Adjuvant Endocrine Therapy for ER+, HER2- Early Breast Cancer With an Increased Risk of Recurrence

Clinical summary

Summary

Eligible participants will be randomly allocated to one of two arms. In Arm 1 (Experimental), participants will receive imlunestrant, administered orally. In Arm 2 (Active Comparator), participants will receive the Investigator's choice of tamoxifen, anastrozole, letrozole or exemestane, administered as per local approved label.

Conditions

This trial is treating patients with HER+, HER2- early breast cancer

Cancer

Breast Cancers Breast

Age

People18+

Phase

III

Trial Acronym

EMBER-4

More information

Trial Identifiers

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Trial sponsor

Eli Lilly and Company

Scientific Title

A Randomized, Open-Label, Phase 3 Study of Adjuvant Imlunestrant vs Standard Adjuvant Endocrine Therapy in Patients Who Have Previously Received 2 to 5 Years of Adjuvant Endocrine Therapy for ER+, HER2- Early Breast Cancer With an Increased Risk of Recurrence

Eligibility

Inclusion

  • Have a diagnosis of ER+, HER2- early-stage, resected, invasive breast cancer without evidence of distant metastasis.
  • Participants must have received at least 24 months but not more than 60 months of any adjuvant ET, from time of adjuvant ET initiation.
  • Participants may have received (neo) adjuvant chemotherapy and/or targeted therapy with a CDK4/6- or PARP- inhibitor.
  • Must have an increased risk of disease recurrence based on clinical-pathological risk features.
  • Have a Performance Status of 0 or 1 on the Eastern Cooperative Oncology Group scale.
  • Have adequate organ function.

Exclusion

  • Have any evidence of metastatic disease (including contralateral ALN) or inflammatory breast cancer at primary breast cancer diagnosis.
  • Participants with more than a 6-month consecutive gap in therapy during the course of prior adjuvant ET.
  • Participants who have completed or discontinued prior adjuvant ET >6 months prior to screening.
  • Participants with a history of previous breast cancer are excluded, with the exception of ipsilateral DCIS treated by locoregional therapy alone ≥5 years ago.
  • Pregnant, breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the screening visit through 180 days after the last dose of study intervention.
  • Participant has previously received ET of any duration for breast cancer prevention (tamoxifen or AIs) or raloxifene.
  • Participants with a history of any other cancer.
  • Have serious preexisting medical conditions that, in the judgment of the investigator, would preclude participation in this study.

Inclusion

  • Your cancer has not spread to other parts of the body.
  • You are able to swallow medication by mouth.
  • You have had a certain type of treatment or surgical procedure.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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