Abemaciclib

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 Verzenio

ELI LILLY & Co LLY · Breast Neoplasms; Neoplasm Metastasis; Breast Cancer; Abiraterone Acetate; Androgens

Key figures

  • Next catalyst

    None scheduled

    Only dates with a source are listed

  • Phase

    Approved

    Not recorded

  • Linked trials

    11

    From ClinicalTrials.gov

  • Latest FDA action

    Approved

    NDA208716,

Recalls, shortages, patents and EU status at a glance

Key information

Indications
Breast Neoplasms; Neoplasm Metastasis; Breast Cancer; Abiraterone Acetate; Androgens 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 CompletedFirst trial start 26 Nov 20181 linked trial
  4. Phase 3 CompletedFirst trial start 22 Jul 201411 linked trials
  5. Filed Completed
  6. Approved Current stageFirst approval 28 Sep 2017

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 Abemaciclib. Editors add each one with its source.

Filed application

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

FDA advisory committees

No FDA advisory committee meetings are on record for Abemaciclib.

Clinical trials

Trials linked to Abemaciclib
TrialTitlePhaseStatusEnrollmentPrimary completionResults posted
NCT07174336ClinicalTrials.gov record for NCT07174336 (opens in a new tab)A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)Phase 3Recruiting800 (estimated)May 2029 (estimated) No
NCT05288166ClinicalTrials.gov record for NCT05288166 (opens in a new tab)CYCLONE 3A Study of Abemaciclib (LY2835219) With Abiraterone in Men With Prostate Cancer That Has Spread to Other Parts of the Body and is Expected to Respond to Hormonal Treatment (Metastatic Hormone-Sensitive Prostate Cancer)Phase 3Active, not recruiting925 (actual)15 Feb 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT05288166 (opens in a new tab)

Posted results on ClinicalTrials.gov for CYCLONE 3

Serious adverse events (Baseline up to 22 months): Abemaciclib 145 of 460; Placebo 68 of 460

Source: ClinicalTrials.gov results for NCT05288166 (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.

NCT05169567ClinicalTrials.gov record for NCT05169567 (opens in a new tab)postMONARCHAbemaciclib (LY2835219) Plus Fulvestrant Compared to Placebo Plus Fulvestrant in Previously Treated Breast CancerPhase 3Active, not recruiting368 (actual)8 Feb 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT05169567 (opens in a new tab)

Posted results on ClinicalTrials.gov for postMONARCH

  • Progression-Free Survival (PFS) (Months)
    • Arm A: Abemaciclib Plus Fulvestrant vs Arm B: Placebo Plus Fulvestrant: Hazard Ratio (HR) 0.73 (95% CI 0.57 to 0.95), p-value 0.02, Log Rank, superiority

Serious adverse events (Baseline up to 22 months): Arm A: Abemaciclib Plus Fulvestrant 44 of 181; Arm B: Placebo Plus Fulvestrant 20 of 185

Source: ClinicalTrials.gov results for NCT05169567 (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 postMONARCH (3), newest first

  1. Overall survival from the phase III postMONARCH trial of abemaciclib plus fulvestrant versus placebo plus fulvestrant for HR+, HER2- advanced breast cancer following progression on a prior CDK4/6 inhibitor plus endocrine therapy.

    Annals of oncology : official journal of the European Society for Medical Oncology · 2026 Oct 24

  2. Abemaciclib Plus Fulvestrant in Advanced Breast Cancer After Progression on CDK4/6 Inhibition: Results From the Phase III postMONARCH Trial.

    Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2025 Mar 20

  3. Models of Early Resistance to CDK4/6 Inhibitors Unveil Potential Therapeutic Treatment Sequencing.

    International journal of molecular sciences · 2025 Mar 14

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.

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.

NCT04752332ClinicalTrials.gov record for NCT04752332 (opens in a new tab)eMonarcHERA Study of Abemaciclib (LY2835219) Plus Hormone Therapy in Participants With Early Breast CancerPhase 3Terminated111 (actual)26 Jun 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT04752332 (opens in a new tab)

Posted results on ClinicalTrials.gov for eMonarcHER

Serious adverse events (Baseline Up To 890 Days): 150 mg Abemaciclib + ET 6 of 55; Placebo + ET 2 of 56

Source: ClinicalTrials.gov results for NCT04752332 (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.

NCT03706365ClinicalTrials.gov record for NCT03706365 (opens in a new tab)CYCLONE 2A Study of Abiraterone Acetate Plus Prednisone With or Without Abemaciclib (LY2835219) in Participants With Prostate CancerPhase 2/3Active, not recruiting393 (actual)2 Jan 2024 (actual) Yes First posted Results on ClinicalTrials.gov for NCT03706365 (opens in a new tab)

Posted results on ClinicalTrials.gov for CYCLONE 2

  • Radiographic Progression Free Survival (rPFS) (Months)
    • Abemaciclib vs Placebo: Hazard Ratio (HR) 0.829 (95% CI 0.619 to 1.111), p-value 0.2123, Log Rank, other

Serious adverse events (Baseline Up to 60 Months): Abemaciclib 89 of 206; Placebo 66 of 185

Source: ClinicalTrials.gov results for NCT03706365 (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 CYCLONE 2 (1), newest first

  1. Abemaciclib plus abiraterone in patients with metastatic castration-resistant prostate cancer (CYCLONE 2): a randomised, double-blind, placebo-controlled, phase 3 trial.

    The Lancet. Oncology · 2025 Nov

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.

NCT03155997ClinicalTrials.gov record for NCT03155997 (opens in a new tab)monarchEEndocrine Therapy With or Without Abemaciclib (LY2835219) Following Surgery in Participants With Breast CancerPhase 3Active, not recruiting5,637 (actual)16 Mar 2020 (actual) Yes First posted Results on ClinicalTrials.gov for NCT03155997 (opens in a new tab)

Posted results on ClinicalTrials.gov for monarchE

  • Invasive Disease Free Survival (IDFS) (Months)
    • 150 mg Abemaciclib + Endocrine Therapy vs Endocrine Therapy: Hazard Ratio (HR) 0.747 (95% CI 0.598 to 0.932), p-value 0.00957, Log Rank, superiority

Serious adverse events (Baseline to 32 Months): 150 mg Abemaciclib + Endocrine Therapy 344 of 2791; Endocrine Therapy 202 of 2800

Source: ClinicalTrials.gov results for NCT03155997 (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 monarchE (13), newest first

  1. Overall survival with abemaciclib in early breast cancer.

    Annals of oncology : official journal of the European Society for Medical Oncology · 2026 Feb

  2. Abemaciclib combined with endocrine therapy as adjuvant treatment for hormone-receptor-positive, HER2-, high-risk early breast cancer: 5-year Chinese population analysis of the phase III randomized monarchE study.

    Therapeutic advances in medical oncology · 2024

  3. Adjuvant Abemaciclib Plus Endocrine Therapy for Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative, High-Risk Early Breast Cancer: Results From a Preplanned monarchE Overall Survival Interim Analysis, Including 5-Year Efficacy Outcomes.

    Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2024 Mar 20

  4. Abemaciclib as adjuvant treatment for high-risk early breast cancer.

    Farmacia hospitalaria : organo oficial de expresion cientifica de la Sociedad Espanola de Farmacia Hospitalaria · 2024 Mar-Apr

  5. Abemaciclib plus endocrine therapy for HR+, HER2-, node-positive, high-risk early breast cancer: a plain language summary of the monarchE study.

    Future oncology (London, England) · 2024

All 13 publications for NCT03155997

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.

NCT02763566ClinicalTrials.gov record for NCT02763566 (opens in a new tab)MONARCH plusA Study of Abemaciclib (LY2835219) in Participants With Breast CancerPhase 3Active, not recruiting463 (actual)29 Mar 2019 (actual) Yes First posted Results on ClinicalTrials.gov for NCT02763566 (opens in a new tab)

Posted results on ClinicalTrials.gov for MONARCH plus

  • Progression Free Survival (PFS) (Abemaciclib + NSAI & Placebo NSAI) (Months)
    • Abemaciclib + Nonsteroidal Aromatase Inhibitor (NSAI) vs Placebo + NSAI: Hazard Ratio (HR) 0.499 (95% CI 0.346 to 0.719), p-value 0.0001, Log Rank, superiority

Serious adverse events (Up to 28 Months): Abemaciclib + Nonsteroidal Aromatase Inhibitor (NSAI) 40 of 205; Placebo + NSAI 9 of 99; Abemaciclib + Fulvestrant 16 of 104; Placebo + Fulvestrant 4 of 53

Source: ClinicalTrials.gov results for NCT02763566 (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 MONARCH plus (2), newest first

  1. Abemaciclib plus non-steroidal aromatase inhibitor or fulvestrant in women with HR+/HER2- advanced breast cancer: Final results of the randomized phase III MONARCH plus trial.

    Chinese medical journal · 2025 Jun 20

  2. MONARCH plus: abemaciclib plus endocrine therapy in women with HR+/HER2- advanced breast cancer: the multinational randomized phase III study.

    Therapeutic advances in medical oncology · 2020

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.

NCT02246621ClinicalTrials.gov record for NCT02246621 (opens in a new tab)MONARCH 3A Study of Nonsteroidal Aromatase Inhibitors Plus Abemaciclib (LY2835219) in Postmenopausal Women With Breast CancerPhase 3Active, not recruiting493 (actual)31 Jan 2017 (actual) Yes First posted Results on ClinicalTrials.gov for NCT02246621 (opens in a new tab)

Posted results on ClinicalTrials.gov for MONARCH 3

  • Progression Free Survival (PFS) (Months)
    • Abemaciclib + NSAI vs Placebo + NSAI: Hazard Ratio (HR) 0.54 (95% CI 0.418 to 0.698), p-value 0.000002, Log Rank, superiority

Serious adverse events (Baseline Up to 32 Months): Abemaciclib + NSAI 102 of 327; Placebo + NSAI 27 of 161

Source: ClinicalTrials.gov results for NCT02246621 (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 MONARCH 3 (4), newest first

  1. Cost-effectiveness comparison of dalpiciclib and abemaciclib combined with an aromatase inhibitor as first-line treatment for HR+/HER2- advanced breast cancer.

    Expert review of pharmacoeconomics & outcomes research · 2024 Apr

  2. Quality of life with ribociclib versus abemaciclib as first-line treatment of HR+/HER2- advanced breast cancer: a matching-adjusted indirect comparison.

    Therapeutic advances in medical oncology · 2023

  3. Japanese subgroup analysis of the phase 3 MONARCH 3 study of abemaciclib as initial therapy for patients with hormone receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer.

    Breast cancer (Tokyo, Japan) · 2022 Jan

  4. Safety and efficacy of abemaciclib plus endocrine therapy in older patients with hormone receptor-positive/human epidermal growth factor receptor 2-negative advanced breast cancer: an age-specific subgroup analysis of MONARCH 2 and 3 trials.

    Breast cancer research and treatment · 2021 Apr

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.

NCT02152631ClinicalTrials.gov record for NCT02152631 (opens in a new tab)JUNIPERA Study of Abemaciclib (LY2835219) in Participants With Previously Treated KRAS Mutated Lung CancerPhase 3Active, not recruiting453 (actual)15 Sep 2017 (actual) Yes First posted Results on ClinicalTrials.gov for NCT02152631 (opens in a new tab)

Posted results on ClinicalTrials.gov for JUNIPER

  • Overall Survival (OS) (months)
    • Abemaciclib vs Erlotinib: Hazard Ratio (HR) 0.968 (95% CI 0.768 to 1.219), p-value 0.771, Stratified Log-Rank, superiority

Serious adverse events (From Baseline to End of Study (Up to 47 Months)): Abemaciclib 112 of 265; Erlotinib 43 of 175

Source: ClinicalTrials.gov results for NCT02152631 (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 JUNIPER (2), newest first

  1. A Randomized Phase III Study of Abemaciclib Versus Erlotinib in Patients with Stage IV Non-small Cell Lung Cancer With a Detectable KRAS Mutation Who Failed Prior Platinum-Based Therapy: JUNIPER.

    Frontiers in oncology · 2020

  2. Treatment Rationale and Study Design for the JUNIPER Study: A Randomized Phase III Study of Abemaciclib With Best Supportive Care Versus Erlotinib With Best Supportive Care in Patients With Stage IV Non-Small-Cell Lung Cancer With a Detectable KRAS Mutation Whose Disease Has Progressed After Platinum-Based Chemotherapy.

    Clinical lung cancer · 2016 Jan

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.

NCT02107703ClinicalTrials.gov record for NCT02107703 (opens in a new tab)MONARCH 2A Study of Abemaciclib (LY2835219) Combined With Fulvestrant in Women With Hormone Receptor Positive HER2 Negative Breast CancerPhase 3Active, not recruiting669 (actual)14 Feb 2017 (actual) Yes First posted Results on ClinicalTrials.gov for NCT02107703 (opens in a new tab)

Posted results on ClinicalTrials.gov for MONARCH 2

  • Progression-Free Survival (PFS) (Months)
    • Abemaciclib + Fulvestrant vs Placebo + Fulvestrant: Hazard Ratio (HR) 0.553 (95% CI 0.449 to 0.681), p-value <0.0000001, Log Rank, other

Serious adverse events (Up To 7 years 7.7 Months): Abemaciclib + Fulvestrant 129 of 441; Placebo + Fulvestrant 33 of 223

Source: ClinicalTrials.gov results for NCT02107703 (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 MONARCH 2 (5), newest first

  1. Japanese subpopulation analysis of MONARCH 2: phase 3 study of abemaciclib plus fulvestrant for treatment of hormone receptor-positive, human epidermal growth factor receptor 2-negative breast cancer that progressed on endocrine therapy.

    Breast cancer (Tokyo, Japan) · 2021 Sep

  2. Abemaciclib plus fulvestrant in hormone receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer in premenopausal women: subgroup analysis from the MONARCH 2 trial.

    Breast cancer research : BCR · 2021 Aug 23

  3. Safety and efficacy of abemaciclib plus endocrine therapy in older patients with hormone receptor-positive/human epidermal growth factor receptor 2-negative advanced breast cancer: an age-specific subgroup analysis of MONARCH 2 and 3 trials.

    Breast cancer research and treatment · 2021 Apr

  4. The Effect of Abemaciclib Plus Fulvestrant on Overall Survival in Hormone Receptor-Positive, ERBB2-Negative Breast Cancer That Progressed on Endocrine Therapy-MONARCH 2: A Randomized Clinical Trial.

    JAMA oncology · 2020 Jan 1

  5. MONARCH 2: Abemaciclib in Combination With Fulvestrant in Women With HR+/HER2- Advanced Breast Cancer Who Had Progressed While Receiving Endocrine Therapy.

    Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2017 Sep 1

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 Abemaciclib, newest first
ApplicationActionDateOutcomeReviewSource
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 22 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 21 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 17 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 10 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 11 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 6 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 7 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 8 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Supplement 4 EfficacyApprovedstandardDrugs@FDA via openFDA (opens in a new tab)
NDA208855Action letter for NDA208855 (opens in a new tab) Original 1 Type 9 - New Indication Submitted as Distinct NDA, Consolidated with Original NDA after ApprovalApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)
NDA208716Action letter for NDA208716 (opens in a new tab) Original 1 Type 1 - New Molecular EntityApprovedpriorityDrugs@FDA via openFDA (opens in a new tab)

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

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EU status (EMA)

Authorised

Verzenios (EMEA/H/C/004302)

Authorised
Therapeutic area
Breast Neoplasms
Marketing authorisation holder
Eli Lilly Nederland B.V.
Active substance (INN)
abemaciclib
ATC code
L01EF03
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

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Sources

Record updated .

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