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2Rastogi P, O'Shaughnessy J, Martin M, et al. 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. J Clin Oncol. 2024;42(9):987-993. https://doi.org/10.1200/jco.23.01994
3Harbeck N, Rastogi P, O'Shaughnessy J, et al. Adjuvant abemaciclib plus endocrine therapy for HR+, HER2-, high-risk early breast cancer: results from a preplanned monarchE overall survival interim analysis, including 5-year efficacy outcomes. Poster presented at: 48th Annual European Society for Medical Oncology (ESMO) Congress; October 20-24, 2023; Madrid, Spain. Accessed January 5, 2024. https://oncologypro.esmo.org/meeting-resources/esmo-congress/adjuvant-abemaciclib-plus-endocrine-therapy-for-hr-her2-high-risk-early-breast-cancer-results-from-a-preplanned-monarche-overall-survival-inte
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8Endocrine therapy with or without abemaciclib (LY2835219) following surgery in participants with breast cancer (monarchE). ClinicalTrials.gov identifier: NCT03155997. Updated July 14, 2023. Accessed September 5, 2023. https://clinicaltrials.gov/study/NCT03155997
9Toi M, Boyle F, Im YH et al. Adjuvant abemaciclib combined with endocrine therapy (ET): Efficacy results in monarchE cohort 1. Abstract presented at: 4th European Society for Medical Oncology (ESMO) Breast Cancer Congress; May 3-5, 2022; Berlin, Germany.