HER2 Breast Cancer

Pyrotinib combined with capecitabine found to improve overall survival in patients with previously treated HER2-positive metastatic breast cancer.

Pertuzumab is indicated for use in combination with trastuzumab and docetaxel for treatment of patients with HER2-positive metastatic breast cancer who have not received prior anti-HER2 therapy or chemotherapy for metastatic disease.

Abemaciclib (Verzenio) approved in combination with endocrine therapy for the adjuvant treatment of adult patients with HR–positive, HER2-negative, node-positive, early breast cancer at high risk of recurrence.

Patients with triple-negative breast cancer who received sacituzumab govitecan had a median progression-free survival of 4.6 months compared to 2.3 months with chemotherapy.

Nearly 94.1% of individuals treated with the drug in the DESTINY-Breast03 study were still alive at the 1-year mark, according to a statement from AstraZeneca.

Tucatinib is indicated to treat adults with advanced unresectable or metastatic human epidermal growth factor receptor 2 (HER2)-positive breast cancer who have already received at least 1 anti-HER2-based regimen in the metastatic setting.

Ado-trastuzumab (Kadcyla, Genentech) was approved by the FDA in 2019 for the adjuvant treatment of patients with human epidermal growth factor receptor 2-positive early breast cancer.

Approved by the FDA on June 29, 2020, the pertuzumab, trastuzumab, and hyaluronidase-zzxf combination therapy with chemotherapy offers several advantages to the standard treatment of pertuzumab plus trastuzumab with chemotherapy for breast cancers with HER2 overexpression.

The Independent Data Monitoring Committee concluded that DESTINY-Breast03 met the primary endpoint of progression-free survival and showed a highly statistically significant and clinically meaningful improvement for patients with human epidermal growth factor receptor 2 (HER2)-positive, unresectable and/or metastatic breast cancer previously treated with trastuzumab and a taxane.

Ribociclib was found to prolong overall survival and improve post-progression outcomes in patients with HR-positive/HER2−negative advanced breast cancer, particularly among younger patients with a significant unmet need.

The trial, in phase 3, is the first to report data comparing a neoadjuvant anti-HER2 based regimen with or without the anti-PD-L1 antibody, atezolimumab, in patients with high-risk, HER2-positive early breast cancer.

Margetuximab, trastuzumab deruxtecan, and tucatinib have all been approved in the past 2 years for the treatment of various subsets of patients with breast cancer.

Breast cancer patients with low or absent MLH1 or PMS2 gene expression may have even greater risks of death.

Data presented at the 2021 ESMO Breast Cancer Virtual Congress showed 29% of recurrent breast cancer biopsies showed conversion either from, or to, HER2-low expression.

Over the past 18 months, the FDA has approved 4 new regimens for HER2-positive metastatic disease.

A session at the Community Oncology Alliance virtual 2021 conference noted that clinical trials have found promising new treatments for patients with breast cancer, offering opportunities for future new approvals and indications.

A review of the efficacy of HER2-positive–targeted agents for metastatic breast cancer.

A 5% weight loss over 2 years in patients with HER2-positive early breast cancer was associated with worse outcomes, according to new research that investigated the BMI data of these patients.

The FDA has granted a fast track designation to an investigational antibody-drug conjugate for use as a monotherapy in the treatment of patients with advanced or metastatic HER2-positive breast cancer.

Symposium speakers discussed how CDK4/6 inhibitors are game changers in treatment of HR+/HER2- advanced breast cancer.

FDA approves margetuximab-cmkb (Margenza) in combination with chemotherapy for the treatment of adult patients with metastatic HER2-positive breast cancer who have previously received 2 or more anti-HER2 regimens.

Tesetaxel is a novel, oral taxane with several unique properties being investigated for use in patients with HER2-negative, HR-positive metastatic breast cancer.

ET and CT are used as standard maintenance therapy for HR-positive and HER-negative MBC in clinical practice, and there was no prospective study data on which is better, according to the study authors.

Adding abemaciclib to hormonal therapy reduces the risk of cancer recurrence by 25% in patients with high-risk early hormone receptor-positive human epidermal growth factor receptor 2-negative breast cancer.

Understanding the role of abemaciclib (Verzenio) in managing patients with hormone receptor positive and human epidermal growth factor receptor 2 negative metastatic breast cancer is crucial.