Evidence mapPaperPMID 40557948Full record

ReviewActa oncologica (Stockholm, Sweden)2025

How to choose optimal adjuvant therapies for high-risk hormone receptor-positive, HER2-negative breast cancer after chemotherapy?

Peeter Karihtala

Abstract readReview
In one paragraph

Review in Acta oncologica (Stockholm, Sweden), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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0cells of the map it votes in
2citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

1 author.

Peeter KarihtalaDepartment of Oncology, Helsinki University Hospital Comprehensive Cancer Center and University of Helsinki, Finland; Department of Oncology and Radiotherapy, Oulu University Hospital, Finland. Peeter.Karihtala@hus.fi.ORCID 0000-0003-3490-3702

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeThe prognosis for hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer has significantly improved over the past few decades. However, a substantial number of patients still face an elevated risk of recurrence. Due to the high prevalence and cumulative mortality of HR+/HER2- breast cancer, it poses a global health challenge. MATERIAL AND

methodsThis is a narrative review on the post-chemotherapy treatment options in patients with HR+/HER2- breast cancer.

resultsEndocrine therapy remains the cornerstone of adjuvant treatment, with extended durations of tamoxifen and aromatase inhibitors demonstrating survival benefits. Several novel post-chemotherapy adjuvant treatments have recently been introduced for high-risk patients, and now most patients with HR+/HER2- breast cancer are eligible for non-endocrine adjuvant therapies. Bisphosphonates help to reduce bone recurrence and enhance overall survival in postmenopausal women, though the evidence remains somewhat inconsistent. CDK4/6 inhibitors abemaciclib and ribociclib have also emerged as adjuvant therapies, while the poly ADP ribose polymerase (PARP) inhibitor olaparib provides clinically meaningful benefits for patients with germline BRCA1/2 mutations.

interpretationOptimal patient selection for these often toxic treatments remains partially unclear and is the focus of intensive research. In the near future, monitoring ctDNA may enable treatment de-escalation for selected high-risk patients. The rise of perioperative immunological therapies, new CDK4-specific inhibitors, and targeted endocrine treatments can lead to a notably favorable prognosis for many previously high-risk HR+/HER2- breast cancers. Future research should prioritize predictive biomarkers and personalized approaches to optimize treatment efficacy, ensure more equal access to treatments, and minimize overtreatment.

Indexed as

Breast NeoplasmsAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, AdjuvantErb-b2 Receptor Tyrosine KinasesFemaleHumansNeoplasm Recurrence, LocalPrognosisReceptors, EstrogenReceptors, ProgesteroneERBB2 protein, humanErb-b2 Receptor Tyrosine KinasesReceptors, EstrogenReceptors, Progesterone

Identifiers

PMID40557948
PMCPMC12228045

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.