SABCS 2019: Postoperative S-1 Plus Endocrine Therapy for HR-Positive, HER2-Negative Breast Cancer
The postoperative combination of S-1, an oral fluoropyrimidine-based drug, with endocrine therapy improved invasive disease–free survival and 5-year invasive disease–free survival estimates in patients with hormone receptor (HR)-positive, HER2-negative breast cancer, according to results from the...
SABCS 2019: Adding Tucatinib to Capecitabine/Trastuzumab Improved Survival for Patients With Advanced HER2-Positive Breast Cancer
The addition of tucatinib to capecitabine and trastuzumab significantly improved progression-free survival and overall survival in patients with advanced HER2-positive breast cancer, with or without brain metastasis. These findings—from the HER2CLIMB study—were presented by Murthy et al at the 2019 ...
SABCS 2019: [Fam-] Trastuzumab Deruxtecan in Patients With Pretreated HER2-Positive Metastatic Breast Cancer
A phase II clinical study investigating [fam-] trastuzumab deruxtecan (T-DXd) in patients with metastatic HER2-positive breast cancer previously treated with trastuzumab emtansine (T-DM1) showed patients had an overall response rate of 60.9% with the treatment. The study by Krop et al was presented ...
Having Cancer Should Not Make You Homeless
In the spring of 2005, I was launching a new career as a sales consultant for a startup graphics company and wanted to cross off a few essential things on my to-do list, including getting my annual mammogram and physical, before I started my new job. Although I was surprised when I got a call from ...
Trastuzumab Biosimilar HLX02 Shows Activity in HER2-Positive Metastatic Breast Cancer
The trastuzumab biosimilar HLX02—manufactured in China—achieved a similar overall response rate to reference trastuzumab in women with HER2-positive recurrent or previously untreated metastatic breast cancer, according to a large, randomized phase III study. Binghe Xu, MD, PhD, of the Department of ...
2019 Advanced Breast Cancer Award Goes to Fatima Cardoso, MD
The European School of Oncology (ESO), together with the Advanced Breast Cancer Global Alliance, bestowed the 2019 Advanced Breast Cancer Award upon Professor Fatima Cardoso, MD, Director of the Breast Unit of the Champalimaud Clinical Centre in Lisbon, “in recognition of her foresight in...
Study Suggests Association Between Increased Risk of Breast Cancer and Use of Chemical Hair Products
Scientists at the National Institutes of Health (NIH) found that women who use permanent hair dye and chemical hair straighteners may have a higher risk of developing breast cancer than women who do not use these products. The study, published by Eberle et al in the International Journal of Cancer, ...
Promising New Treatments for Triple-Negative Breast Cancer: Immunotherapy and Other Targeted Therapies
Clinical trials continue to demonstrate that combining immunotherapy with chemotherapy and other targeted therapies can improve survival for patients with triple-negative breast cancer, according to results presented at the 21st Annual Lynn Sage Breast Cancer Symposium in Chicago. Nearly 700...
Breast-Conserving Surgery and Partial-Breast Reirradiation in Patients With Ipsilateral Disease Recurrence
Findings from the phase II NRG Oncology/RTOG 1014 trial, reported in JAMA Oncology by Arthur et al, showed that partial-breast reirradiation after second lumpectomy for recurrence of ipsilateral breast cancer following previous whole-breast irradiation was an effective treatment approach and could...
‘Unexpected’ Survival Benefit With Trilaciclib Plus Chemotherapy in Triple-Negative Breast Cancer
An unanticipated result of a randomized phase II study was the improvement in overall survival achieved with the investigational CDK4/6 inhibitor trilaciclib in women with metastatic triple-negative breast cancer. The drug was not being evaluated for its anticancer effects, but rather as a means of ...
FDA Approves FoundationOne CDx as a Companion Diagnostic for Alpelisib/Fulvestrant Treatment in Breast Cancer
On December 4, the U.S. Food and Drug Administration (FDA) approved FoundationOne CDx to be used as a companion diagnostic for alpelisib in combination with fulvestrant for the treatment of postmenopausal female patients as well as male patients with hormone receptor (HR)-positive, HER2-negative,...
Emerging Alternatives in the Third-Line Setting for Metastatic HER2-Positive Breast Cancer
In the post-trastuzumab era, a number of U.S. Food and Drug Administration (FDA)-approved targeted agents for metastatic HER2-positive breast cancer are available, but there is no preferred option for third-line treatment and beyond. At the 2019 Chemotherapy Foundation Symposium, Shanu Modi, MD,...
Associations of Oncotype DX Breast Recurrence Score With Mortality Prediction and Difference Between Sexes
A study comparing the prognostic value of the Oncotype DX Breast Recurrence Score in male and female patients with early-stage estrogen receptor (ER)-positive breast cancer has found that the score is associated with mortality in male patients at a much lower threshold than female patients. The...
Swedish Population Study of Risk-Adapted Screening Starting Ages for Relatives of Patients With Breast Cancer
In a study reported in JAMA Oncology, Mukama et al identified risk-adapted screening starting ages for relatives of patients with breast cancer according to the number of affected first-degree and second-degree relatives and the age at diagnosis of affected relatives. Study Details The nationwide...
ESMO Asia 2019: Trastuzumab Biosimilar HLX02 Shows Activity in HER2-Positive Metastatic Breast Cancer
The trastuzumab biosimilar HLX02—manufactured in China—achieved a similar overall response rate to reference trastuzumab in women with HER2-positive recurrent or previously untreated metastatic breast cancer, according to a large, randomized phase III study reported by Xu et al at the European...
When to Consider Local Therapy for Stage IV Breast Cancer
Local therapy for stage IV breast cancer has not been proven to increase overall survival, yet there are some cases where local therapy could be considered outside a clinical trial. For patients with intact asymptomatic primary tumors, local therapy could be offered if distant disease is well...
Breast Cancer Treatments Targeting Estrogen May Be Putting Patients at Risk for Long-Term Comorbidities
“The majority of breast cancers are hormone receptor–positive, and treatments that target the estrogen receptors are very effective, but they also cause havoc in many tissues that are dependent on estrogen for normal functioning. As a result, breast cancer survivors suffer from ongoing symptoms and ...
ASCO Updates Breast Cancer Risk Reduction Guideline to Include Anastrozole
ASCO has updated a guideline on pharmacologic interventions for breast cancer risk reduction in postmenopausal women at increased risk of developing breast cancer.1 The original clinical practice recommendations for breast cancer risk reduction were published in 1999 and updated in 2002, 2009, and...
Expert Point of View: Charles L. Loprinzi, MD
Charles L. Loprinzi, MD, Regis Professor of Breast Cancer Oncology at the Mayo Clinic, Rochester, Minnesota, discussed this abstract on sexual health in women treated for breast cancer. Addressing patients’ questions, offering advice, and providing appropriate referrals should improve patient care, ...
Study Finds Sexual Health Issues Are a Concern Among Majority of Women With Breast Cancer
Endocrine therapy has been a lifesaver for women with estrogen receptor–positive breast cancer, but decreases in recurrence and cancer-related mortality have come with substantial side effects, according to data presented at the 2019 Supportive Care in Oncology Symposium.1 The results of a...
ESMO Congress 2019: Quick Takes From Key Clinical Trials
The ESMO Congress continues to grow as a pivotal platform for research in clinical oncology. At the ESMO Congress 2019, important findings were showcased in more than 2,200 studies, including 93 late-breaking abstracts. The ASCO Post summarized much of that news in separate articles over several...
Neoadjuvant Immunotherapy Plus Chemotherapy Active in Women With Early Triple-Negative Breast Cancer
Immunotherapy has changed the treatment paradigms for melanoma, lung cancer, bladder cancer, and renal cancer. Now, checkpoint inhibitor therapy is making inroads in triple-negative breast cancer—one of the most difficult-to-treat aggressive types of breast cancer. Late-breaking results of the...
MONALEESA-3, MONARCH 2: CDK4/6 Inhibitors Plus Fulvestrant Benefit Survival in Advanced Breast Cancer
CDK4/6 inhibitors improve overall survival in advanced breast cancer, according to results of two important phase III trials reported at the ESMO Congress 2019. Dennis J. Slamon, MD, PhD, of the University of California, Los Angeles Women’s Cancer Research Program, presented the findings from the...
Prognostic Biomarkers in Triple-Negative Breast Cancer Treated With Adjuvant Doxorubicin/Cyclophosphamide
As reported in the Journal of Clinical Oncology by Priyanka Sharma, MD, and colleagues, biomarker analysis among women with triple-negative breast cancer treated with adjuvant doxorubicin/cyclophosphamide in the SWOG 9313c trial has confirmed a 44-gene DNA damage immune response signature and...
Expert Point of View: Mafalda Oliveira, MD, PhD
Formal discussant Mafalda Oliveira, MD, PhD, of Vall d’Hebron Institute of Oncology in Barcelona, commented that monarcHER was a “well-designed, hypothesis-generating trial that addresses clinically relevant questions,” including whether cyclin-dependent kinase 4 and 6 inhibition now has broader...
Abemaciclib Benefits Patients With HER2-Positive Breast Cancer in monarcHER Trial
Inhibitors of cyclin-dependent kinases 4 and 6 (CDK4/6) are associated with a robust benefit in patients with hormone receptor–positive, HER2-negative breast cancer, but now the monarcHER trial has confirmed their benefit in the HER2-positive population. The new findings were reported at the...
Regional Disparities in Metastatic Breast Cancer Survival Between 1990 and 2011
In a study reported in Cancer, Judith A. Malmgren, PhD, and colleagues found marked regional differences in improvements in breast cancer–specific survival among women diagnosed with metastatic breast cancer between 1990 and 2011, with the best rates found in an institutional cohort. Study ...
Is There a Difference in Breast Cancer Recurrence Rates After Surgery With Regional vs General Anesthesia?
In a trial reported in The Lancet, Sessler et al found no difference in breast cancer recurrence after surgery with regional anesthesia-analgesia using paravertebral block and propofol vs general anesthesia with the volatile anesthetic sevoflurane and opioid analgesia. They also found no difference ...
Scientific Session on Breast Cancer Explores Studies on Partial-Breast Irradiation, Chemoradiotherapy
Women with early-stage breast cancer treated with lumpectomy followed by radiation therapy rated the cosmetic results for whole-breast and partial-breast irradiation to be equivalent, according to a new analysis of results from the phase III NRG Oncology/NSABP B39-RTOG 0413 clinical trial. Results...
Outcomes in Patients With Early Breast Cancer and High 21-Gene Recurrence Score Treated With Adjuvant Chemotherapy Plus Endocrine Therapy: Secondary Analysis of TAILORx
In a secondary analysis of the phase III TAILORx trial reported in JAMA Oncology, Joseph Sparano, MD, and colleagues found that adjuvant chemotherapy plus endocrine therapy produced good 5-year outcomes among women with hormone receptor–positive, HER2-negative, axillary node–negative breast cancer...
Factors Influencing Freedom From Distant Recurrence in Premenopausal Women With Hormone Receptor–Positive, HER2-Negative Breast Cancer
In a long-term analysis of the TEXT/SOFT trials reported in the Journal of Clinical Oncology, Pagani et al found that potential benefits of escalating adjuvant endocrine therapy beyond tamoxifen alone in preventing distant recurrence may be minimal in premenopausal women with hormone...
Long-Term Recurrence-Free Survival With the Addition of Adjuvant Trastuzumab to Chemotherapy in HER2-Positive Breast Cancer
Long-term follow-up analysis of the NCCTG N9831 (Alliance) and NRG Oncology/NSABP B-31 trials, reported in the Journal of Clinical Oncology by Chumsri et al, showed poorer recurrence-free survival in hormone receptor (HR)-negative vs HR-positive HER2-positive breast cancer, with the addition of...
MONARCH 2: Interim Analysis of Overall Survival With Abemaciclib/Fulvestrant in Hormone Receptor–Positive, HER2-Negative Breast Cancer
As reported in JAMA Oncology by George W. Sledge, Jr, MD, and colleagues, an interim analysis of overall survival in the phase III MONARCH 2 trial has shown a significant advantage for abemaciclib plus fulvestrant vs fulvestrant alone in women with advanced hormone receptor–positive, HER2-negative...
FDA Issues Drug Safety Communication on Lung Inflammation Linked to Treatment With CDK4/6 Inhibitors
On September 13, the U.S. Food and Drug Administration (FDA) issued a drug safety communication warning that palbociclib, ribociclib, and abemaciclib—used to treat some patients with advanced breast cancer—may cause rare but severe inflammation of the lungs. The agency approved new warnings about...
FDA Pipeline: Treatments for HER2-Positive Breast Cancer, AML; Breakthrough Device for Prostate Cancer; Statement on Safety Information for Breast Implants
Recently, the U.S. Food and Drug Administration (FDA) granted Priority Review to trastuzumab deruxtecan for the treatment of HER2-positive metastatic breast cancer; granted Fast Track designation for bemcentinib for elderly patients with relapsed acute myeloid leukemia (AML); granted Breakthrough...
Addition of Trilaciclib to Chemotherapy in Metastatic Triple-Negative Breast Cancer
In a phase II trial reported in The Lancet Oncology, Tan et al found that the addition of the cell-cycle inhibitor trilaciclib to gemcitabine/carboplatin chemotherapy did not reduce the duration or incidence of severe neutropenia during chemotherapy in women with triple-negative breast cancer. A...
Factors in Genetic Testing Decisions Among Women With a Personal and Family History of Breast Cancer
In a study reported in the Journal of Oncology Practice, Scott et al identified several factors that motivated breast cancer survivors with high genetic risk to undergo genetic testing and found that clinicians often failed to discuss all relevant factors in decision-making. Study Details The...
Landmark Studies Show Clear Overall Survival Benefit for CDK4/6 Inhibitors in Advanced Breast Cancer
CDK4/6 inhibitors clearly improve overall survival in advanced breast cancer, as this prized endpoint was robustly demonstrated in two landmark phase III trials reported at the European Society for Medical Oncology (ESMO) Congress 2019. Dennis J. Slamon, MD, PhD, of the University of California,...
Phase III Evidence Supports Neoadjuvant Immunotherapy Plus Chemotherapy for Early Triple-Negative Breast Cancer
Immunotherapy has changed the treatment paradigms for melanoma, lung cancer, bladder cancer, and renal cancer. Now, checkpoint inhibitor therapy is making inroads in triple-negative breast cancer—one of the most difficult-to-treat aggressive types of breast cancer. The addition of the checkpoint...
Pooled Analysis of Outcomes in Older Women With Metastatic Breast Cancer Receiving CDK4/6 Inhibitor Plus Aromatase Inhibitor Therapy
In a U.S. Food and Drug Administration (FDA) pooled analysis reported in the Journal of Clinical Oncology, Howie et al found that progression-free survival and benefit were similar for older vs younger postmenopausal women treated with combined cyclin-dependent kinase 4/6 (CDK4/6) plus aromatase...
Deviation From NCCN Guidelines May Result in Greater Costs for Patients With Metastatic Breast Cancer
A study published by Williams et al in JNCCN—Journal of the National Comprehensive Cancer Network found that direct costs for patients with metastatic breast cancer increased when their treatment differed from recommendations found in the NCCN Clinical Practice Guidelines in Oncology® (NCCN...
ASCO Breakthrough: Breast Cancer Gene-Expression Signature May Help Predict Recurrence Postradiotherapy
Researchers have identified a gene pattern that may help predict which patients with breast cancer will have early or late disease recurrence following radiation therapy. The ability to predict the timing of recurrence could change—and improve—treatment strategies and determine the length of...
Recent Trends in the Treatment and Prognosis of Male Breast Cancer
A recent analysis published by Yadav et al in Cancer reviewed how the treatment of male breast cancer has evolved over the years 2004 to 2014. In addition, certain patient-, tumor-, and treatment-related factors were found to be linked with better survival. Male breast cancer comprises 1% of all...
FDA Pipeline: Advances in Prostate Cancer, Urothelial Cancer, Myelofibrosis, and More
In the past few weeks, the U.S. Food and Drug Administration (FDA) has issued regulatory decisions in prostate cancer, urothelial cancer, myelofibrosis, breast cancer, pediatric brain cancer, leukemia, and skin cancer. Breakthrough Therapy Designation for Niraparib in Metastatic...
Addition of Ovarian Function Suppression to Ongoing Tamoxifen in Premenopausal Breast Cancer
In a phase III trial reported in the Journal of Clinical Oncology, Kim et al found that the addition of 2 years of ovarian function suppression during ongoing tamoxifen treatment improved disease-free survival vs 5 years of tamoxifen alone in patients with estrogen receptor–positive breast cancer...
ESMO 2019: BROCADE 3: Veliparib Plus Carboplatin/Paclitaxel in Patients With HER2-Negative, Germline BRCA-Mutated Advanced Breast Cancer
Patients with advanced or metastatic HER2-negative breast cancer with a germline BRCA mutation demonstrated significantly improved progression-free survival (PFS) with the addition of the poly (ADP-ribose) polymerase (PARP) inhibitor veliparib to chemotherapy (comprised of carboplatin/paclitaxel)...
Véronique Diéras, MD, on HER2-Negative, BRCA-Mutated Breast Cancer: Veliparib Plus Carboplatin/Paclitaxel
Véronique Diéras, MD, of Institut Curie Paris & Saint Cloud, discusses results from the phase III BROCADE 3 trial, which investigated the PARP inhibitor veliparib in combination with carboplatin/paclitaxel in patients with advanced HER2-negative, germline BRCA–mutated breast cancer (Abstract LBA9).
Sherene Loi, MD, PhD, and Leisha A. Emens, MD, PhD, on HER2-Positive Breast Cancer: KATE2 Study of Atezolizumab/Trastuzumab Emtansine
Sherene Loi, MD, PhD, of Peter MacCallum Cancer Centre at the University of Melbourne, and Leisha A. Emens, MD, PhD, of UPMC Hillman Cancer Center, discuss overall survival in this phase II study of atezolizumab/trastuzumab emtansine (T-DM1) vs placebo/T-DM1 in previously treated HER2-positive advanced breast cancer (Abstract 305O).
Aleix Prat, MD, PhD, on a HER2-Positive Breast Cancer Biomarker: Results From the PAM50 Trial
Aleix Prat, MD, PhD, of Hospital Clinic de Barcelona, discusses the findings of a meta-analysis showing that the HER2-E subtype may predict pathologic complete response beyond hormone receptor status in HER2-positive early breast cancer (Abstract 248P).
Peter Schmid, MD, PhD, on Triple-Negative Breast Cancer: KEYNOTE-522 Trial of Pembrolizumab Plus Chemotherapy
Peter Schmid, MD, PhD, of Queen Mary University of London Barts Cancer Institute, discusses pathologic complete response data from a phase III study of pembrolizumab/chemotherapy vs placebo/chemotherapy as neoadjuvant treatment, followed by pembrolizumab vs placebo as 6-month adjuvant treatment for early triple-negative breast cancer (Abstract LBA8).
