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Introduction: Emerging evidence suggests potential cardiovascular toxicities from oral endocrine therapies (ETs); however, results are conflicting. This study comprehensively examined adverse reactions of ETs and investigated cardiovascular and metabolic safety signals within the FDA Adverse Event Reporting System (FAERS).

Methods: Reports in the FAERS through December 2023 were analyzed for documented reactions to tamoxifen, letrozole, anastrozole, and exemestane in female breast cancer patients.

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Background: Cyclin-dependent kinase 4/6 (CDK4/6) inhibitors have demonstrated a survival benefit in the second-line treatment of patients with hormone receptor-positive human epidermal growth factor receptor 2-negative advanced breast cancer. However, identifying prognostic biomarkers remains a challenge. Thus, we aimed to assess the prognostic value of 18F-fluorodeoxyglucose positron emission tomography-computed tomography (FDG-PET-CT) performed before CDK4/6 inhibitors initiation.

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Hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer represents the most prevalent subtype of breast cancer. Cyclin-dependent kinase 4/6 (CDK4/6) inhibitors, in combination with endocrine therapy (ET), have shown substantial benefits in improving progression-free survival and, for ribociclib, an overall survival advantage. Despite clinical benefits, ribociclib is associated with elevated liver enzymes and severe liver dysfunction.

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Article Synopsis
  • In early-stage breast cancer (EBC) patients, there is a need for biomarkers to predict the risk of late recurrence and the benefit from extended endocrine therapy (EET), specifically using the MammaPrint 70-gene assay to identify low-risk tumors.
  • The study analyzed postmenopausal women with hormone receptor-positive EBC from the IDEAL trial to see if the MammaPrint assay could help decide between 2.5 years and 5 years of treatment with letrozole.
  • Results showed that patients with low-risk tumors had a significant benefit of 10.1% for distant recurrence with longer treatment, while no significant benefits were found for high-risk or ultralow risk patients regarding treatment duration
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Introduction: The INGE-B trial (NCT02894398) aimed to confirm the efficacy and safety data from the PALOMA trials for patients treated first line (1L) with palbociclib (PAL) and letrozole or 1L and later line with PAL and fulvestrant. In addition, so far lacking evidence for efficacy and safety on the combination of PAL with anastrozole, exemestane (1L), or letrozole (later line) was investigated.

Methods: The prospective, multicenter, multicohort phase 2 trial INGE-B enrolled adult patients with locally advanced, inoperable, or metastatic HR+/HER2- breast cancer in Germany.

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