Imlunestrant

Not yet reviewed: Listed from FDA or ClinicalTrials.gov records; an editor has not checked it yetListed from FDA or ClinicalTrials.gov records; an editor has not checked it yet.

Also known as Inluriyo, Imlunestrant tosylate

ELI LILLY & Co LLY · Breast Neoplasms; Neoplasm Metastasis

Key figures

  • Next catalyst

    None scheduled

    Only dates with a source are listed

  • Phase

    Approved

    Not recorded

  • Linked trials

    2

    From ClinicalTrials.gov

  • Latest FDA action

    Approved

    NDA218881,

Recalls, shortages, patents and EU status at a glance

Key information

Indications
Breast Neoplasms; Neoplasm Metastasis Source: Conditions from ClinicalTrials.gov (opens in a new tab)
Designations
None recorded
Next catalyst
None scheduled

Development timeline

  1. Preclinical Completed
  2. Phase 1 Completed
  3. Phase 2 Completed
  4. Phase 3 CompletedFirst trial start 4 Oct 20212 linked trials
  5. Filed Completed
  6. Approved Current stageFirst approval 25 Sep 2025

Overview

Mechanism
Not recorded
Route
Not recorded
Modality
Not recorded
Specialties
Not recorded

Overview text is written by HealthTrade editors.

Key dates

No catalysts yet. Editors add each date together with its source.

FDA designations

No FDA designations are on record for Imlunestrant. Editors add each one with its source.

Filed application

No filed application is on record for Imlunestrant. Approvals are listed under FDA actions.

FDA advisory committees

No FDA advisory committee meetings are on record for Imlunestrant.

Clinical trials

Trials linked to Imlunestrant
TrialTitlePhaseStatusEnrollmentPrimary completionResults posted
NCT05514054ClinicalTrials.gov record for NCT05514054 (opens in a new tab)EMBER-4A Study of Imlunestrant Versus Standard Endocrine Therapy in Participants With Early Breast CancerPhase 3Active, not recruiting8,000 (estimated)Oct 2027 (estimated) No
NCT04975308ClinicalTrials.gov record for NCT04975308 (opens in a new tab)EMBER-3A Study of Imlunestrant, Investigator's Choice of Endocrine Therapy, and Imlunestrant Plus Abemaciclib in Participants With ER+, HER2- Advanced Breast CancerPhase 3Active, not recruiting874 (actual)24 Jun 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT04975308 (opens in a new tab)

Posted results on ClinicalTrials.gov for EMBER-3

  • Investigator-assessed Progression Free Survival (PFS) (Between Arm A and Arm B) (Months)
    • Arm A: Imlunestrant vs Arm B: Investigator's Choice of Endocrine Therapy: Hazard Ratio (HR) 0.867 (95% CI 0.724 to 1.039), p-value 0.1158, Log Rank, superiority
  • Investigator-assessed PFS (Between Arm C and Arm A) (Months)
    • Arm C: Imlunestrant + Abemaciclib vs Arm A: Imlunestrant: Hazard Ratio (HR) 0.569 (95% CI 0.441 to 0.733), p-value <0.0001, Log Rank, superiority
  • Investigator-assessed PFS in the Estrogen Receptor 1 (ESR1)-Mutation Detected Population (Between Arm A and Arm B) (Months)
    • Arm A: Imlunestrant vs Arm B: Investigator's Choice of Endocrine Therapy: Hazard Ratio (HR) 0.617 (95% CI 0.464 to 0.821), p-value 0.0008, Log Rank, superiority

Serious adverse events (Baseline up to 28 months): Arm A: Imlunestrant 46 of 327; Arm B: Investigator's Choice of Endocrine Therapy - Exemestane 6 of 32; Arm B: Investigator's Choice of Endocrine Therapy - Fulvestrant 49 of 292; Arm C: Imlunestrant + Abemaciclib 42 of 208

Source: ClinicalTrials.gov results for NCT04975308 (opens in a new tab)· imported

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

Publications listing EMBER-3 (1), newest first

  1. Imlunestrant with or without Abemaciclib in Advanced Breast Cancer.

    The New England journal of medicine · 2025 Mar 27

Citations from PubMed, U.S. National Library of Medicine; abstracts are not stored. A publication lists this study’s NCT number and may be a review that cites many studies.

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Posted results are shown as ClinicalTrials.gov prints them; results from company and journal sources are entered by editors and listed separately. Full result tables are on ClinicalTrials.gov.

Trial quality

About CT-VCA

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FDA actions

Original approvals and new-indication supplements for Imlunestrant, newest first
ApplicationActionDateOutcomeReviewSource
NDA218881Action letter for NDA218881 (opens in a new tab) Supplement 1 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA218881Action letter for NDA218881 (opens in a new tab) Original 1 Type 1 - New Molecular EntityApprovedstandardDrugs@FDA via openFDA (opens in a new tab)

Data provided by the U.S. Food and Drug Administration.

FDA recalls load here.

FDA drug shortages load here.

Orange Book patents load here.

FAERS adverse event counts load here.

Papers and preprints load here.

Community discussion loads here.

EU status (EMA)

Authorised

Inluriyo (EMEA/H/C/006184)

Authorised
Therapeutic area
Breast Neoplasms
Marketing authorisation holder
Eli Lilly Nederland B.V.
Active substance (INN)
imlunestrant
ATC code
L02BA
Latest EMA decision

Matched by active substance: EMA's INN or active substance equals this drug's name.

Source: European Medicines Agency (EMA), medicines data download. Licence: EMA re-use with acknowledgement. EMA medicines report 2026-10-26.

Related news

No recent headlines mention this drug.

Sources

Record updated .

Dates come from company and FDA disclosures and can change. Nothing on this page is investment advice.