HER2-Positive Breast Cancer

In an 8-year follow up analysis of patients on the ExteNET trial, researchers saw that overall survival was not significantly different to rates on placebo.

After success, preclinically and in a phase 1 dose-finding study, the phase 2 study of BDC-1001 has begun.

Health-related quality of life measures from the phase 3 DESTINY-Breast03 trial showed that patient-reported outcomes and time of hospitalization data favored trastuzumab deruxtecan despite having a longer duration of treatment than trastuzumab emtansine.

In an interview with Targeted Oncology, Hatem Soliman, MD, provides an overview on testing for HER2-positive breast cancer and the available therapies in the first-, second-, and third-line settings.

Joyce O’Shaughnessy, MD, highlights advances in breast cancer management which will be presented at an upcoming medical meeting.

In an interview with Targeted Oncology, Reshma Mahtani, DO, discussed the key breast cancer topics during the Miami Cancer Institute Women’s Cancer Symposium and her presentation regarding HER2-positive breast cancer .

Results from the EARLY-MYO-BC trial assessing the pyrotinib’s cardiac impacts may help researchers select an appropriate anti-HER2 treatment when managing patients with HER2-positive breast cancer.

Multiple trials and techniques have evaluated treatment with HLX02 compared with trastuzumab. Now, the FDA has accepted the biologics license application HLX02 for patients with HER2-overexpressing metastatic breast cancer, breast cancer, gastric cancer, and gastroesophageal junction adenocarcinoma.

Data from a phase 1/2 study of BDC-1001 alone or with nivolumab supports selection of a recommended phase 2 dose, advancement of further phase 2 studies, and assessment of the agent in combination with pertuzumab.

An updated guideline and panel recommends treatment with sacituzumab govitecan for patients with HR-positive/HER2-negative metastatic breast cancer who are refractory to endocrine therapy.

Promising findings from the phase 2 ELAINE-1 and ELAINE-2 trials have led to the start of a phase 3 study where investigators will evaluate lasofoxifene and abemaciclib as a treatment for patients with ER-positive/HER2-negative breast cancer and an ESR1 mutation.

Experts addressed ARX788 for patients with HER2-positive breast cancer, and a data update from the update for APEX-01 evaluating ARX517 in patients with prostate cancer was provided during a virtual analyst and investor day.

In the biomarker analysis of the phase 3 NeoALTTO study, a small reduction in antimüllerian hormone levels were seen during 2 weeks of anti-HER2 treatment alone followed by a significant decline in most patients with HER2-positive breast cancer after combining with weekly paclitaxel.

Findings from the DEBBRAH trial showed that the use of trastuzumab deruxtecan in patients with HER2-positive advanced breast cancer showed promising efficacy for those with brain metastases.

Erika P. Hamilton, MD, discusses the wide-ranging impacts of the introduction of fam-trastuzumab deruxtecan-nxki for patients with HER2-positive breast cancer.

New clinical trial data have shown that patients with IHC 1+ or IHC 2+/ISH– disease, but no ERBB2 amplification, could still benefit from HER2 targeted therapies.

Erika P. Hamilton, MD, discusses the next steps following the successful outcomes of the phase 3 DESTINY-Breast03 trial of fam-trastuzumab deruxtecan-nxki in patients with HER2-positive breast cancer.

In the phase 1b/2 DESTINY-Breast07 study, positive results were shown with trastuzumab deruxtecan, even without the addition of pertuzumab.

Maryam Lustberg, MD, MPH, explains how the HER2 low session during the 2022 San Antonio Breast Cancer Symposium.

The use of trastuzumab deruxtecan in the neoadjuvant setting showed promising responses in patients with early-stage breast cancer.

Patients with advanced HER2-positive breast cancer had better progression-free and overall survival outcomes when given trastuzumab deruxtecan versus capecitabin-based treatment.

Trastuzumab deruxtecan demonstrated a clinically meaningful and statistically significant improvement in overall versus TDM-1 as well as a continued PFS benefit, according to Sara A. Hurvitz, MD.

Erika P. Hamilton, MD, discusses the purpose of a safety follow-up analysis for the DESTINY-Breast03 trial of fam-trastuzumab deruxtecan-nxki in patients with HER2-positive breast cancer.

TAC01-HER2 elicited encouraging safety and clinical activity in patients with HER2-positive solid tumors with no dose limiting toxicities, cytokine release syndrome, or immune effector cell-associated neurotoxicity observed.

William J. Gradishar, MD, discusses the choice of adjuvant or neoadjuvant regimens for patients with HER2-positive breast cancer.

During a Targeted Oncology case-based roundtable event, Jennifer M. Matro, MD, discussed the data supporting systemic therapies for treatment of early-stage HER2-positive breast cancer including trastuzumab and pertuzumab.

Pertuzumab plus trastuzumab and chemotherapy remains the standard of care for HER2-positive breast cancer, after the addition of atezolizumab did not benefit responses in the Impassion050 study.

Rachel Wuerstein, MD, discusses the KAMILLA trial of trastuzumab emtansine in metastatic breast cancer for both a global and Asian cohort.

Adding abemaciclib to trastuzumab improved overall survival in women with with hormone receptor–positive, HER2-positive advanced breast cancer, according to new findings discussed at the 2022 ESMO Congress.

Erika P. Hamilton, MD, discusses how researchers are addressing unmet needs for patients with HER2-positive breast cancer.