Cited by 222PI3K/AKT/mTOR signaling in cancerAdvanced Breast Cancer TherapiesBreast Cancer Treatment Studies

Efficacy of PI3K inhibitors in advanced breast cancer

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Verret, B., Cortes, J., Bachelot, T., Andre, F., Arnedos, M.·2019·Annals of Oncology

Abstract

The phosphoinositide 3 (PI3)-kinase/Akt signaling pathway has always been a focus of interest in breast cancer due to its role in cell growth, cell proliferation, cell migration and deregulated apoptosis. Its activation has been linked to endocrine resistance and worse prognosis in certain subgroups of breast cancer. In addition, deregulation of the PI3K/Akt pathway including PIK3CA activating mutation is frequently present in breast cancer. Multiple efforts have been carried out to target this pathway, initially with pan-PI3K inhibitors with some hint of activity but hampered by their limiting side-effects. A recent large randomized trial in patients with endocrine-resistant PIK3CA-mutant hormone receptor (HR)-positive tumors led to the approval of the first PI3K inhibitor, alpelisib, in combination with fulvestrant. The specificity of alpelisib against the p110α catalytic isoform provided additional efficacy and a better toxicity profile. In this review, we summarize the main research with PI3K inhibitors in breast cancer and we provide some insight of potential future combinations of this treatment in breast cancer patients.

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Authors
Verret, B., Cortes, J., Bachelot, T., Andre, F., & Arnedos, M.
Affiliations
  • Institut Gustave Roussy (FR)
  • Centre Léon Bérard (FR)
  • Inserm (FR)
Corresponding author
Arnedos, M.
Venue
Annals of Oncology
Publisher
Elsevier BV
Published
2019-12
Volume
30
Issue
Suppl_10
Pages
x12-x20
ISSN
0923-7534 (ISSN-L)
OpenAlex
W2996642785
Cited by
221
References
102
Citations by year
2026: 10 · 2025: 24 · 2024: 44 · 2023: 31 · 2022: 38 · 2021: 48 · 2020: 26
FWCI
2.47
Type
journal article
Language
en
Open access
Locations
  • Annals of Oncology (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
  • Novartis
  • AstraZeneca
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Advanced Breast Cancer Therapies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
Keywords
PI3K inhibitors, PI3K/Akt signaling, advanced breast cancer, alpelisib, PIK3CA mutation, endocrine therapy resistance, hormone receptor-positive breast cancer, fulvestrant, combination therapy, drug toxicity
MeSH terms
Phosphoinositide-3 Kinase Inhibitors, Animals, Breast Neoplasms, Female, Humans, Signal Transduction, Randomized Controlled Trials as Topic, Phosphatidylinositol 3-Kinases, Molecular Targeted Therapy

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