Safety Profile and Predictors of Adverse Events of Incadronate Disodium in Treating Breast Cancer Patients with Bone Metastases: A Retrospective Study.

Purpose: Bone metastasis is a common complication in advanced breast cancer. Bisphosphonates like incadronate disodium have shown potential in reducing bone resorption and skeletal-related events. We therefore performed a retrospective study to evaluate the safety profile of incadronate disodium in breast cancer patients with bone metastases.

Real-world effectiveness of goserelin 10.8-mg compared to goserelin 3.6-mg in premenopausal and perimenopausal Chinese patients with hormone receptor positive breast cancer: a cohort study.

Background: Few studies compared the effectiveness of the 3-monthly goserelin 10.8-mg and the monthly 3.6-mg depot in inducing ovarian function suppression for premenopausal patients with hormone receptor positive (HR+) breast cancer.

Pathologic complete response after neoadjuvant chemotherapy for HER-2 negative breast cancer with HRR mutation.

Aims: This study compared pathologic complete response (pCR) rates to neoadjuvant chemotherapy (NAC) in HER2-negative early breast cancer patients with versus without homologous recombination repair (HRR) mutation, focusing on BRCA1/2.

Methods: This retrospective cohort study included HER-2-negative breast cancer patients who completed HRR genetic testing and received NAC. The primary endpoint was the pCR rate among HRR mutation carriers and noncarriers.

Stromal PLAU mediates tumor progression and informs a novel therapeutic target in triple-negative breast cancer.

Triple-negative breast cancer (TNBC) is an aggressive subtype characterized by limited treatment options and poor prognosis. Recent evidence highlights the crucial role of cancer-associated fibroblasts (CAFs) in TNBC progression, yet their molecular characteristics remain incompletely understood. In this study, we performed a comprehensive analysis combining bioinformatics approaches with experimental validation to investigate CAF-related genes in TNBC.

The characteristics of HER2-positive microinvasive breast cancer and the necessity of systemic adjuvant therapy in these patients: a multicenter real-world study.

Background: There is currently a lack of sufficient evidence on the prognosis of human epidermal factor receptor 2 (HER2)-positive microinvasive breast cancer (MIBC) and whether chemotherapy (CT) and targeted therapy can bring benefits.

Objectives: To explore the prognosis and treatment of HER2-positive MIBC.

Design: A retrospective multicenter study.

A Meta-Analysis of Patient-Reported Outcomes of Sacituzumab Govitecan Versus Treatment of Physician's Choice in Previously Treated HR+/HER- mBC Using Two Phase 3 (TROPiCS-02 and EVER-132-002) Trials.

Background: The patient-reported outcomes (PROs) of sacituzumab govitecan (SG) were compared with chemotherapy using two phase 3 trials (TROPiCS-02, EVER-132-002) involving patients with HR+/HER2- locally recurrent inoperable or metastatic breast cancer.

Methods: A meta-analysis was performed to compare change from baseline (CFB) scores and time-to-deterioration (TTD) between SG and chemotherapy using EORTC QLQ-C30 and EQ-5D-5L VAS in the overall, prior CDK4/6i-treated, and fast-progressor populations. Results of CFB and TTD analyses were summarized using hazard ratio (HR) and mean difference measures.

Immunotherapy in breast cancer: current landscape and emerging trends.

Breast cancer remains one of the most prevalent malignancies worldwide, underscoring an urgent need for innovative therapeutic strategies. Immunotherapy has emerged as a transformative frontier in this context. In triple-negative breast cancer (TNBC), the combination of immunotherapy based on PD-1/PD-L1 immune checkpoint inhibitors (ICIs) with chemotherapy has proven efficacious in both early and advanced clinical trials.

Patient-reported outcomes from DESTINY-Breast04: trastuzumab deruxtecan versus physician's choice of chemotherapy in patients with HER2-low mBC.

Background: The phase 3 DESTINY-Breast04 trial demonstrated superior efficacy and acceptable safety with trastuzumab deruxtecan (T-DXd) vs physician's choice of chemotherapy in previously treated patients with human epidermal growth factor receptor 2 (HER2)-low metastatic breast cancer (mBC). We report the patient-reported outcomes (PROs), focusing on the hormone receptor-positive cohort.

Patients And Methods: Patients were randomized 2:1 to T-DXd (5.

Sacituzumab tirumotecan in previously treated metastatic triple-negative breast cancer: a randomized phase 3 trial.

Chemotherapy remains a standard treatment option for metastatic triple-negative breast cancer (TNBC) but is associated with limited survival. Although some targeted antibody-drug conjugates have demonstrated clinical benefits and are considered standard therapy, persistent unmet medical needs remain due to varying accessibility. The OptiTROP-Breast01 phase 3 trial assessed sacituzumab tirumotecan (sac-TMT) versus chemotherapy in patients with locally recurrent or metastatic TNBC who had received two or more prior therapies, including at least one for metastatic disease.

Bireociclib plus fulvestrant for HR+/HER2- advanced female breast cancer progressed on or after endocrine therapy: phase 3 BRIGHT-2 study interim analysis.

The BRIGHT-2 study (NCT05077449) is a randomized, double-blind, placebo-controlled, phase 3 trial evaluating the efficacy and safety of bireociclib plus fulvestrant (BF) vs. placebo plus fulvestrant (F) in Chinese female patients with hormone receptor-positive (HR+)/HER2-negative (HER2-) advanced breast cancer (ABC) who had progressed on or after prior endocrine therapy (ET). Interim results were analyzed after 70% of progression-free survival (PFS) events across 64 centers in China between December 8, 2021, and March 28, 2023.

The ideal strategies of antibody‒drug conjugate sequential treatment in HER2-expressing metastatic breast cancer: A multi-center real-world study.

Background: A growing number of antibody‒drug conjugates (ADCs) have been approved for breast cancer treatment. However, the proper sequential strategies of ADCs remain uncertain. Our study aimed to explore the ideal ADC sequential treatment strategies in human epidermal growth factor receptor 2 (HER2)-expressing metastatic breast cancer (MBC).

Single-cell sequencing exposes mast cell-derived CD52's anti-tumor action in breast cancer through the IL-6/JAK/STAT3 axis.

The aggressive nature and rapid progression of triple-negative breast cancer (TNBC), coupled with a high likelihood of recurrence and mortality, underscore the critical need for effective treatments. While immunotherapy presents promising advantages for those with triple-negative breast cancer (TNBC), its efficacy is not universal. This disparity highlights the importance of investigating survival outcomes and prognostic factors for those TNBC patients who don't respond well to immunotherapy.

Clinicopathological Factors That Predict Different Responses of Breast and Axillary Tumors to Neoadjuvant Chemotherapy and Prognosis Among Patients With Node-Positive Breast Cancer: Real World Data.

Background: Pathological complete response (pCR) has been proven to be related to prognosis. pCR can be further classified as pCR of the breast (bpCR), pCR of axillary lymph nodes (apCR) or pCR of both tumors. The aim of this study was to elucidate the outcomes and clinicopathological characteristics associated with different patterns of pCR.

Efficacy of sacituzumab govitecan versus treatment of physician's choice in previously treated HR+ and HER2- mBC: a meta-analysis of TROPiCS-02 and EVER-132-002 trials.

Background And Objective: TROPiCS-02 and EVER-132-002 are phase III randomized controlled trials (RCTs) comparing sacituzumab govitecan (SG) to treatment of physician's choice (TPC) in patients with hormone receptor-positive and human epidermal growth factor receptor 2 negative (HR+/HER2-) locally recurrent inoperable or metastatic breast cancer (mBC) who have progressed after two to four prior chemotherapy regimens. TROPiCS-02 enrolled mainly non-Asian patients, whereas EVER-132-002 consisted of only Asian participants. In this study, we compared the efficacy outcomes for SG to TPC via a meta-analysis of the two trials.

Development of a prognostic model based on the ceRNA network in Triple-Negative Breast cancer.

Background: Triple-negative breast cancer (TNBC) is an aggressive subtype with a poor prognosis. Although circular RNAs (circRNAs) have been implicated in cancer progression, their roles in TNBC remain poorly understood. In this study, we aimed to develop a prognostic model for TNBC by constructing a competing endogenous RNA (ceRNA) network.

An open-label, single-arm, multicenter, phase II trial of bireociclib as monotherapy for heavily pretreated HR-positive, HER2-negative advanced breast cancer patients: BRIGHT-1 trial.

Background: Bireociclib (XZP-3287) is a novel selective cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitor, with a favorable safety profile demonstrated in preclinical and phase I studies. BRIGHT-1 aimed to further explore the efficacy and safety of bireociclib monotherapy in patients with locally advanced, recurrent or metastatic, hormone receptor-positive and human epidermal growth factor receptor 2-negative (HR/HER2) breast cancer who had progressed on or after prior chemotherapy and endocrine therapy in advanced settings, without previous exposure to CDK4/6 inhibitors.

Methods: In this open-label phase II trial, eligible patients received bireociclib 480 mg twice daily (BID) until disease progression or intolerable toxicities.

The biological and technical challenges facing utilizing circulating tumor DNA in non-metastatic breast cancer patients.

Breast cancer is one of the most prevalent cancers and has emerged as a major global challenge. Circulating tumor DNA (ctDNA), a liquid biopsy method, overcomes the accessibility limitations of tissue-based testing and is widely used for monitoring minimal residual disease and molecular relapse, predicting prognosis, evaluating the response of neoadjuvant therapy, and optimizing treatment decisions in non-metastatic breast cancer. However, the application of ctDNA still faces many challenges.

Artificial Intelligence and Breast Cancer Management: From Data to the Clinic.

Breast cancer (BC) remains a significant threat to women's health worldwide. The oncology field had an exponential growth in the abundance of medical images, clinical information, and genomic data. With its continuous advancement and refinement, artificial intelligence (AI) has demonstrated exceptional capabilities in processing intricate multidimensional BC-related data.

Updated efficacy and safety of HLX02 versus reference trastuzumab in metastatic HER2-positive breast cancer: A randomized phase III equivalence trial.

Aim: Equivalence between HLX02 and trastuzumab sourced from the European Union (EU-trastuzumab), in combination with docetaxel, was demonstrated in a phase III study. This study aimed to evaluate the long-term efficacy and safety data after 3 years of follow-up.

Methods: Patients with previously untreated, HER2-positive metastatic breast cancer received intravenous HLX02 or EU-trastuzumab (initial dose of 8 mg/kg, followed by 6 mg/kg every 3 weeks for up to 12 months) in combination with docetaxel.

Distinct cellular mechanisms underlie chemotherapies and PD-L1 blockade combinations in triple-negative breast cancer.

Combining immune checkpoint blockade (ICB) with chemotherapy shows promise for treating triple-negative breast cancer (TNBC), though the mechanisms remain incompletely understood. Here, we integrate published and new single-cell RNA sequencing (scRNA-seq) data to investigate the tumor immune microenvironment (TIME) in TNBC patients treated with paclitaxel (PTX), nab-paclitaxel (Nab-PTX), and their combinations with the anti-PD-L1 antibody atezolizumab (ATZ). Compared to ATZ plus PTX, ATZ plus Nab-PTX rewires TCF7 stem-like effector memory CD8 T cells (Tsem) and CD4 T follicular helper (Tfh) cells.

Non-Luminal Disease Score for Everolimus in Patients with Hormone Receptor‑positive and Human Epidermal Growth Factor Receptor 2-Negative Advanced Breast Cancer: A Multicenter and Retrospective Study.

Purpose: This study aims to explore the role of the non-luminal disease score (NOLUS) for everolimus in patients with hormone receptor-positive and human epidermal growth factor receptor 2-negative (HR+/HER2-) advanced breast cancer (ABC).

Methods: NOLUS has previously been established as an algorithm: NOLUS (0-100) = - 0.45 × ER(%) - 0.

Lerociclib plus fulvestrant in patients with HR+/HER2- locally advanced or metastatic breast cancer who have progressed on prior endocrine therapy: LEONARDA-1 a phase III randomized trial.

Lerociclib (GB491), a highly selective oral CDK4/6 inhibitor, has displayed anti-tumor activity and differentiated safety and tolerability profile in previous ph1/2 clinical trials. The LEONARDA-1, a randomized, double-blind, phase III study, was conducted to evaluate the efficacy and safety of lerociclib in HR+/HER2- locally advanced or metastatic breast cancer patients, who had relapsed or progressed on prior endocrine therapy. A total of 275 patients were randomized at 1:1 ratio to receive lerociclib (137 patients, 150 mg twice daily) or placebo (138 patients) plus fulvestrant.