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The antibody-drug conjugate fam-trastuzumab deruxtecan-nxki (T-DXd) lengthened progression-free survival and improved the objective response rate compared with the antibody-drug conjugate ado-trastuzumab emtansine (T-DM1) after trastuzumab and taxane therapy in women with HER2-positive metastatic...
In its first return to a hybrid model since the COVID-19 pandemic began, the 2021 San Antonio Breast Cancer Symposium (SABCS) brought together researchers, clinicians, industry experts, patients, and advocates from across the globe to present and grapple with new data and important topics in breast ...
In a study reported in the Journal of Clinical Oncology, Ang et al developed a model for predicting carrier status of pathogenic variants in BRCA1 or BRCA2 among Asian women with breast cancer. As stated by the investigators: “With the development of poly (ADP-ribose) polymerase [PARP] inhibitors...
In a Danish study reported in the Journal of Clinical Oncology, Pedersen et al identified risk of breast cancer mortality among women with breast cancer recurrence at ≥ 10 years after primary diagnosis and found that mortality risk was reduced after late vs early recurrence. Study Details The study ...
As reported in The New England Journal of Medicine by Peter Schmid, MD, PhD, and colleagues, a preplanned interim analysis of the phase III KEYNOTE-522 trial has shown improved event-free survival with the addition of pembrolizumab to neoadjuvant chemotherapy, followed by adjuvant pembrolizumab, in ...
When I got the call from the radiology department telling me I had to come back for a follow-up mammogram right before Christmas of 2020, I wasn’t surprised or initially concerned. I have dense breasts, and my first mammogram 2 years earlier had also detected suspicious areas in one of my breasts...
A rapid update to the ASCO guideline on optimal adjuvant chemotherapy and targeted therapy for early breast cancer provides guidance on the use of the oral cyclin-dependent kinases 4 and 6 (CDK4/6) inhibitor abemaciclib with endocrine therapy in patients with high-risk early breast cancer.1 The...
A next-generation technology that focuses on protein expression at the single-cell level has yielded a wealth of information about “spatial connectivity” between cancer cells and their microenvironment. It also provided information on the benefit of adding the immune checkpoint inhibitor...
In a patient-level meta-analysis reported in The Lancet Oncology, researchers from the Early Breast Cancer Trialists’ Collaborative Group found that use of an aromatase inhibitor vs tamoxifen reduced the risk of recurrence in premenopausal women with estrogen receptor (ER)-positive early breast...
Taking aspirin daily does not prevent breast cancer recurrence, according to research presented by Wendy Y. Chen, MD, MPH, a medical oncologist at Dana-Farber Cancer Institute, during the February 2022 ASCO Plenary Series session (Abstract 360922). Results of a double-blind phase III study of more...
Sara A. Hurvitz, MD, of the University of California, Los Angeles Jonsson Comprehensive Cancer Center, discusses phase III findings from the DESTINY-Breast03 trial, which compared ado-trastuzumab deruxtecan (T-DXd) with standard-of-care trastuzumab emtansine (T-DM1) in patients with HER2-positive metastatic breast cancer. T-DXd showed superior progression-free survival across subgroups of patients previously treated with trastuzumab and a taxane, including those with brain metastases (Abstract GS3-01).
A recent study published by Conley et al in Breast Cancer Research and Treatment aimed to evaluate factors that influence the ability of people with metastatic breast cancer to adhere to their prescribed regimen of oral anticancer medication. Researchers found that multiple factors affected...
In a study reported in JAMA Oncology, Fernandez et al found that scoring accuracy for low HER2 protein expression (0 or 1+) in breast cancer tissue on standard immunohistochemistry (IHC) assays was poor. As observed by the investigators, the findings pose issues for investigation of fam-trastuzumab ...
As reported by Kalinsky et al and summarized in this issue of The ASCO Post, an interim analysis of the phase III RxPONDER trial showed that the addition of adjuvant chemotherapy to endocrine therapy improved invasive disease–free survival among premenopausal—but not postmenopausal—women with...
In an interim analysis of a phase III trial (RxPONDER) reported in The New England Journal of Medicine, Kevin Kalinsky, MD, MS, of Winship Cancer Institute, and colleagues found that the addition of adjuvant chemotherapy to endocrine therapy improved invasive disease–free survival among...
Charles Shapiro, MD, Professor of Medicine, Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, commented on the study findings. “MA.32 is a large, randomized placebo-controlled trial of metformin in over 3,600 women with invasive breast cancer. The rationale for...
The addition of metformin, a drug commonly used to treat type 2 diabetes, to standard adjuvant treatment failed to improve invasive disease–free survival or overall survival for hormone receptor–positive or –negative breast cancer, according to the results of a large landmark trial led by the...
Angela DeMichele, MD, MSCE, the Alan and Jill Miller Professor in Breast Cancer Excellence at the Perelman School of Medicine of the University of Pennsylvania in Philadelphia, commented on NIMBUS1 for The ASCO Post. She said obtaining information on tumor mutational burden is simple, as it is part ...
Patients with advanced HER2-negative metastatic breast cancer and high tumor mutational burden achieved responses—often durable—from treatment with the immunotherapy doublet of nivolumab and ipilimumab, according to results of the phase II NIMBUS trial reported at the 2021 San Antonio Breast Cancer ...
The ASCO Post asked Debu Tripathy, MD, Professor and Chair of Medical Breast Oncology at The University of Texas MD Anderson Cancer Center, Houston, and Hope S. Rugo, MD, FASCO, Professor of Medicine, Director of Breast Oncology and Clinical Trials Education at the University of California San...
Datopotamab deruxtecan, an antibody-drug conjugate directed against trophoblast cell surface antigen-2 (Trop-2), is showing promise as a treatment for relapsed or refractory advanced triple-negative breast cancer, according to early findings from the phase I TROPION-PanTumor01 trial presented...
Invited discussant Anne Blaes, MD, of the University of Minnesota, Minneapolis, emphasized the main takeaway finding of the combined updated analysis of the SOFT and TEXT trials. “In early-stage estrogen receptor–positive breast cancer, premenopausal women who don’t require chemotherapy do very...
The benefits of ovarian function suppression were sustained long term for premenopausal women with hormone receptor–positive breast cancer, according to updates from SOFT and TEXT, two randomized, controlled trials, presented at the 2021 San Antonio Breast Cancer Symposium.1 A separate large...
The discussant of KEYNOTE-522 at the 2021 San Antonio Breast Cancer Symposium, Hope S. Rugo, MD, FASCO, Professor of Medicine and Director of Breast Oncology and Clinical Trials Education at the University of California San Francisco Comprehensive Cancer Center, commented: “We are clearly making...
Updated results from the pivotal KEYNOTE-522 trial have confirmed the benefit of neoadjuvant therapy with pembrolizumab plus chemotherapy in patients with early triple-negative breast cancer.1 The results were presented at the 2021 San Antonio Breast Cancer Symposium by Peter Schmid, MD, PhD,...
Over the past 7 years, the introduction of combined endocrine therapy with cyclin-dependent kinase (CDK) 4/6 inhibitors resulted in a dramatic improvement in outcomes for patients with metastatic, hormone receptor–positive, HER2-negative breast cancer. Early attempts to modulate the cell cycle with ...
As reported in the Journal of Clinical Oncology by Michael Gnant, MD, of the Comprehensive Cancer Center, Medical University of Vienna, and colleagues, the final analysis of the phase III PALLAS trial has shown no invasive disease–free survival benefit with the addition of adjuvant palbociclib to...
In an Indian single-center study reported in the Journal of Clinical Oncology, Paramanandam et al found that the prophylactic use of compression sleeves reduced the risk of arm swelling in women with breast cancer undergoing axillary lymph node dissection. Study Details In the study, 301 evaluable...
In a study reported in the Journal of Clinical Oncology, Pfob et al developed a machine learning algorithm–based (intelligent) vacuum-assisted biopsy model that could identify patients with pathologic complete response (ypT0 and ypN0) to neoadjuvant therapy for breast cancer who may be able to...
In a study reported in JAMA Oncology, researchers from the Breast Cancer Association Consortium found that pathogenic germline variants in nine breast cancer susceptibility genes were associated with different breast cancer subtypes, although most were also associated with triple-negative disease....
In a study reported in the Journal of Clinical Oncology, Di Meglio et al developed a predictive model for severe fatigue after a diagnosis of breast cancer. Study Details The study involved data on patients with stage I to III breast cancer included in the prospective multicenter CANcer TOxicity...
A new study published by Zhang et al in Science Translational Medicine shows inhibition of the CECR2 gene may prevent triple-negative breast cancer from advancing or metastasizing. The discovery is an early step in finding new therapeutics for triple-negative breast cancer, one of the most...
In the Chinese phase II PERMEATE trial reported in The Lancet Oncology, Yan et al found that the combination of the pan-HER receptor tyrosine kinase inhibitor pyrotinib plus capecitabine produced high intracranial response rates in women with HER2-positive breast cancer and brain metastases,...
In a National Institutes of Health study reported in the Journal of Clinical Oncology, Zacharakis et al found that treatment with autologous tumor-infiltrating lymphocytes (TILs) reactive to mutations in metastatic lesions produced responses in patients with metastatic breast cancer. Study Details...
Treating women diagnosed with a certain type of early-stage breast cancer with the monoclonal antibody trastuzumab after surgery may reduce the risk of the cancer returning, according to a report published by Ali et al in Scientific Reports. The research team from the University of Saskatchewan...
As reported in the Journal of Clinical Oncology by Josephine M.N. Lopes Cardozo, MD, and colleagues, long-term follow-up in the phase III MINDACT trial has shown excellent outcomes among a large group of patients with ultra-low–risk breast cancer as classified by the 70-gene signature assay, with...
In an analysis reported in the Journal of Clinical Oncology, Erica L. Mayer, MD, MPH, and colleagues found that early discontinuation and lower exposure intensity of oral palbociclib did not appear to account for the lack of invasive disease–free survival benefit observed with the addition of...
David Cescon, MD, PhD, Clinician Scientist at the Princess Margaret Cancer Centre in Toronto, Canada, was the invited discussant of the two MONALEESA analyses.1,2 He noted that the most recent overall survival analysis, presented at the European Society for Medical Oncology (ESMO) Congress 2021,...
Further analyses of the MONALEESA metastatic breast cancer trials have shown that the benefit of ribociclib plus endocrine therapy in the first-line setting extends to most intrinsic molecular subtypes and is consistent across multiple subgroups. The studies were presented at the 2021 San Antonio...
Black women with breast cancer had significantly higher rates of lymphedema after axillary lymph node dissection compared with Hispanic, White, and Asian women in a prospective study of breast cancer–related lymphedema presented at the 2021 San Antonio Breast Cancer Symposium (SABCS). In fact,...
In the case-control Pathways Heart Study reported in the Journal of Clinical Oncology, Kwan et al found that breast cancer survivors had an elevated risk for incident diabetes overall and according to treatment as well as an elevated risk of incident hypertension according to treatment vs controls...
Switching from an aromatase inhibitor to fulvestrant upon early identification of the ESR1 mutation in plasma—before disease progression—doubled progression-free survival in the phase III PADA-1 trial, presented at the 2021 San Antonio Breast Cancer Symposium.1 “PADA-1 is the first trial to...
In an analysis from the phase II CALGB 40603/Alliance trial reported in the Journal of Clinical Oncology, Shepherd et al found that the addition of carboplatin or bevacizumab to neoadjuvant chemotherapy was not associated with improved long-term outcomes in patients with stage II or III...
In the phase III ECOG-ACRIN E2108 trial reported in the Journal of Clinical Oncology, Seema A. Khan, MD, MPH, and colleagues found no difference in overall survival with early locoregional therapy vs continued systemic therapy among women with newly diagnosed stage IV breast cancer and an intact...
Invited discussant Anne Blaes, MD, Associate Professor of Medicine at the University of Minnesota, Minneapolis, commented on Dr. Braybrooke’s study. “In 18,000 patients in randomized trials initiated before 2012, there was a 15% improvement in recurrence with the use of anthracyclines plus taxanes...
In a large patient-level meta-analysis of 16 trials, presented at the 2021 San Antonio Breast Cancer Symposium (SABCS),1 the combination of an anthracycline plus a taxane achieved a substantial 15% reduction in breast cancer recurrence at 10 years vs taxane chemotherapy alone, representing an...
Steven J. Isakoff, MD, PhD, Director of Breast Cancer Clinical Research at Massachusetts General Hospital, Boston, found the TAMARISK study “interesting.” “Looking at genomic profiles of uterine cancer in both tamoxifen-associated uterine cancer, the researchers found a lower frequency of PIK3...
Even though it is infrequent, uterine cancer can develop in patients treated with tamoxifen. A study presented at the 2021 San Antonio Breast Cancer Symposium (SABCS) suggests that the mechanism by which uterine cancers develop is tamoxifen-induced PI3K pathway activation.1 Patients treated with...
In a study reported in JAMA, Hahn et al found that a depression screening and intervention program resulted in a higher rate of referral to behavioral health services vs education alone among patients with newly diagnosed breast cancer at community oncology centers located in Southern California....
As reported in the Journal of Clinical Oncology by Heikki Joensuu, MD, and colleagues, 15-year overall survival results from the Finland Capecitabine Trial (FinXX) showed that the addition of capecitabine to taxane/anthracycline adjuvant chemotherapy was associated with improved overall survival...