HER2-Positive Breast Cancer

Findings from a phase 2 clinical study indicated that neoadjuvant pegylated liposomal doxorubicin plus cyclophosphamide, trastuzumab, and pertuzumab demonstrated promising efficacy and safety in the treatment of HER2-positive breast cancer.

A panel of experts in breast oncology builds a lively discussion on evolving approaches in the management of HER2+ metastatic breast cancer, including key considerations for the treatment of patients with brain metastases.

The primary end point of improved progression-free survival was met in the phase 3 DESTINY-Breast02 trial when patients with HER2-positive unresectable and/or metastatic breast cancer were given trastuzumab deruxtecan vs physician’s choice of therapy.

Based on results from the phase 3 DESTINY-Breast04 trial, the FDA has approved fam-trastuzumab deruxtecan-nxki as an intravenous infusion for patients with unresectable or metastatic HER2-low breast cancer.

Trastuzumab deruxtecan was granted priority review by the FDA for patients with unresectable advanced or metastatic HER2-low breast cancer.

European patients with unresectable or metastatic HER2-positive breast cancer are now able to receive treatment with trastuzumab deruxtecan following 1 or more previous anti-HER2 regimens.

Long-term follow-up data continue to show that patients with lymph node–positive, HER2-positive early breast cancer at a high risk of recurrence derived notable, durable benefit from treatment with adjuvant pertuzumab, trastuzumab, and chemotherapy.

Sara A. Hurvitz, MD; Stefania Maraka, MD; and Ruta Rao, MD, discuss the evolving landscape of metastatic HER2+ breast cancer, highlighting recent clinical trials and the management of patients with brain metastases.

The FDA has allowed the phase 3 FLAMINGO-01 trial assessing GLSI-100 in patients with HER2/Neu-positive breast cancer and HLA-A*02 positive to proceed following concerns related to the manufacturing and pharmacy process.

The FDA has accepted a biologics license application for vic-trastuzumab duocarmazine for patients with HER2-positive unresectable locally advanced or metastatic breast cancer.

Patients with HER2-low unresectable or recurrent breast cancer in Japan could receive treatment with trastuzumab deruxtecan in the future if the newly submitted supplemental new drug application for this indication is approved.

The Committee for Medicinal Products for Human Use of the European Medicines Agency has recommended for approval trastuzumab deruxtecan for patients with unresectable or metastatic HER2-positive breast cancer.

Results from the WSG-ADAPT-HER2+/HR- study showed promising survival rates with pathological complete response when patients with HER2-positive, hormone receptor-negative early breast cancer were treated with a de-escalated dose of trastuzumab plus pertuzumab without or without paclitaxel over a 12-week period.

The phase 3 HER2CLIMB-05 trial will investigate tucatinib plus standard of care maintenance in the first-line setting for patients with HER2-positive metastatic breast cancer.

An acceptable safety reported at a follow-up analysis of the phase 3 DESTINY-Breast03 study has reinforced use of fam-trastuzumab deruxtecan-nxki for patients with HER2-positive unresectable or metastatic breast cancer

A de-escalated regimen of trastuzumab and pertuzumab without added paclitaxel may be an option for certain patients with HER2-positive, hormone receptor–negative early-stage breast cancer.

Sara Hurvitz, MD, spoke about ongoing clinical trials in which trastuzumab deruxtecan is being investigated with the use of brain metastases.

Sara Hurvitz, MD, spoke which patients would benefit most from fam-trastuzumab deruxtecan and what the next research steps will be.

Sara Hurvitz, MD, spoke to the difficulty of treating HER2-positive and advanced HER2-positive breast cancer and how the efficacy of novel agents such as fam-trastuzumab deruxtecan-nxki could make a difference in treating the disease.

Sara Hurvitz, MD, spoke about to recent approval of fam-trastuzumab deruxtecan-nxki in the second-line setting for patients with HER2-positive breast cancer.

A look at the evolving role of neurooncologists in the treatment of patients with HER2+ breast cancer and brain metastases and future perspectives in the management of this patient population.

Experts have a conversation of the use of trastuzumab deruxtecan therapy for patients with progressive brain metastases while weighing common toxicities and clinical trial data.

Sarah M. Tolaney, MD, MPH, highlights recent and investigative treatments for HER2+ breast cancer that excite her and provides some clinical pearls for community oncologists.

Dr Sarah M. Tolaney discusses whether maintenance therapy has a role in HER2+ breast cancer treatment.

A key opinion leader explains how she discusses treatment options and trial data with patients with early stage HER2+ breast cancer.

Sara Hurvitz, MD, presents the case of a 66-year-old woman with ER+ HER2+ invasive ductal carcinoma and brain metastases.

A look at exciting clinical trials enrolling patients with HER2+ breast cancer and leptomeningeal disease, a previously unheard-of opportunity.

Sarah M. Tolaney, MD, MPH, describes her usage of pertuzumab, trastuzumab, and hyaluronidase-zzxf subcutaneous injections in her clinical practice during the COVID-19 pandemic for patients with HER2+ breast cancer.

An expert oncologist explains the combination subcutaneous injection therapy of pertuzumab, trastuzumab, and hyaluronidase-zzxf for patients with early-stage HER2+ breast cancer.

A neuro-oncologist explains the prevalence of leptomeningeal metastases in HER2+ breast cancer and her preferred method of treatment.