Breast Cancer

Medical experts address the challenges of managing adverse events in the treatment of HR+/HER2- locally advanced or metastatic breast cancer.

In their discussion, the key opinion leaders explore the significance of PIK3CA mutations in HR+/HER2- metastatic breast cancer and review the findings from two pivotal clinical trials, SOLAR-1 and CAPItello-291, which investigated the efficacy of targeted therapies in patients harboring these mutations.

Virginia Kaklamani, MD, DSc, and Heather McArthur, MD, discuss the clinical presentation and management of a 64-year-old postmenopausal female with a history of rheumatoid arthritis who was diagnosed with stage IV, grade 3, invasive ductal carcinoma in her left breast, taking into account her comorbidities and the advanced stage of her breast cancer.

Cynthia Ma, MD, PhD, discusses unanswered questions regarding treatment sequencing for patients who develop CDK4/6 inhibitor–resistant breast cancer.

Arya Mariam Roy, MBBS discusses limitations of the Pathway trial evaluating the association between polygenic scores and survival outcomes in patients with breast cancer.

Joyce A. O’Shaughnessy, MD, and Neil M. Iyengar, MD, discuss novel agents in the pipeline for patients with advanced HER2-positive breast cancer.

Joyce A. O’Shaughnessy, MD, and Neil M. Iyengar, MD, discuss commonly reported adverse effects from HER2-positive breast cancer treatment and appropriate management strategies for them.

Joyce A. O’Shaughnessy, MD, and Neil M. Iyengar, MD, discuss how to decide on treatment for patients with advanced or metastatic HER2-positive breast cancer who have central nervous system metastases.

Joyce A. O’Shaughnessy, MD, and Neil M. Iyengar, MD, discuss the various management strategies for treatment of patients with advanced or metastatic HER2-positive breast cancer.

Joyce A. O’Shaughnessy, MD, and Neil M. Iyengar, MD, discuss the prognosis for patients with advanced or metastatic HER2-positive breast cancer.

Panelists from an OncLive Peer Exchange detail updated data in the hormone receptor–positive HER2– breast cancer treatment landscape.

Andrew Davis, MD, discusses an ongoing phase 1 trial combining neratinib and trastuzumab deruxtecan in metastatic HER2-positive solid tumors.

Key opinion leaders discuss other clinical trials, including the EMERALD study, and targeted therapies for the treatment of HR+/HER2- locally advanced or metastatic breast cancer in later lines of therapy.

Erika P. Hamilton, MD, discusses the CAPItello-291 trial, which investigated the combination of capivasertib and fulvestrant in advanced HR+, HER2- locally advanced or metastatic breast cancer and led to its FDA approval, emphasizing the improved progression-free survival observed in patients with PIK3CA, AKT1, and PTEN alterations.

The breast cancer experts share their clinical experiences and strategies regarding the optimal timing for testing ESR1 mutations in patients with HR+/HER2- metastatic breast cancer, elaborating on how the specific points in the treatment journey at which they recommend testing influence their subsequent treatment decisions and overall approach to patient management.

Key opinion leaders examine the EMERALD trial, which evaluates the efficacy of elacestrant in patients with HR+ HER2- metastatic breast cancer, focusing on the subgroup analysis of patients with visceral metastases, and explore how the trial's design and results have influenced their clinical practice.

A panel of experts discuss treatment updates in regards to CDK4/6 inhibitors.

A panel of experts discuss the potential of individual tumor sequencing with bespoke testing methodologies.

S. Lindsey Davis, MD, highlights data with the mTOR inhibitor sapanisertib and Aurora A kinase inhibitor alisertib in patients with solid tumors.

Pooja Murthy, MD, discusses second-line treatments in ER+/HER2– metastatic breast cancer for patients following progression on endocrine therapy plus a CDK4/6 inhibitor.

Here is your guide to the important regulatory decisions made by the FDA in June 2024.

The panel examines how resistance mutations influence the efficacy of subsequent treatment lines and delves into the process of selecting later-line therapies based on next-generation sequencing results.

Key opinion leaders explore the mechanisms of resistance that can develop after endocrine therapy and CDK4/6 inhibitor treatment in HR+/HER2- locally advanced or metastatic breast cancer, emphasizing the uncertain etiology of resistance and current hypotheses, while also examining biomarkers that may predict resistance to CDK4/6 inhibitors and endocrine therapy.

Paolo Tarantino, MD, discusses updated safety data from the phase 3 DESTINY-Breast03 trial of T-DXd in HER2+ breast cancer.

Andrew Davis, MD, discusses how antibody-drug conjugates could continue to reshape the breast cancer treatment paradigm.

Vivek Subbiah, MD, details the rationale for combining sapanisertib with ziv-aflibercept or metformin and next steps for mTOR inhibitors in solid tumors.

Virginia Kaklamani, MD, DSc, and Heather McArthur, MD, present a patient case involving a 54-year-old postmenopausal woman diagnosed with a 2.1cm estrogen receptor positive (ER+), HER2 negative breast cancer, and discuss the clinical implications and management strategies for this specific patient scenario.

In their discussion, medical experts in the field of breast cancer explore the role of liquid biopsies and compare the significance of ESR1 mutations to other biomarkers, such as PIK3CA, in terms of their driver versus passenger status in the context of HR+/HER2- breast cancer.

A panel of experts give perspectives on optimizing biomarker testing in Advanced HR+/HER2- Breast Cancer.

A panel of experts discuss advancements in adjuvant therapy for early-stage breast cancer.