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breast cancer

5-Year Outcomes With Extended Adjuvant Therapy in HER2-Positive Breast Cancer

The 5-year analysis of the phase III ExteNET trial has shown that 1 year of neratinib (Nerlynx) after trastuzumab (Herceptin)-based adjuvant therapy significantly improved invasive disease–free survival vs placebo in HER2-positive breast cancer. These findings were reported in The Lancet...

breast cancer

Are African American Women With Type 2 Diabetes at Increased Risk for ER-Negative Breast Cancer?

A prospective study by Palmer et al assessing the relationship of type 2 diabetes and the incidence of estrogen receptor–negative and estrogen receptor–positive breast cancer among African American women has found statistically significant evidence of an increased risk of estrogen...

breast cancer

FDA Approves Fulvestrant in Combination With Abemaciclib in Hormone Receptor–Positive, HER2-Negative Advanced Breast Cancer

Today, the U.S. Food and Drug Administration (FDA) approved a new indication for fulvestrant (Faslodex), expanding the drug's approved use to include combined therapy with abemaciclib (Verzenio), a cyclin-dependent kinase (CDK) 4/6 inhibitor, for the treatment of hormone receptor–positive,...

breast cancer

Higher Risk of Breast Cancer Does Not Motivate Cancer Screening in Many Women

Some women, because of genetic predisposition, personal, or family history, have a higher-than-average lifetime risk of developing breast cancer. For those women, earlier magnetic resonance imaging (MRI) is recommended for cancer screening. But according to new findings presented at the American...

breast cancer

Long-Term Follow-up of Cardiac Function After Adjuvant Therapy With Trastuzumab in Early Breast Cancer

As reported by Ganz et al in the Journal of Clinical Oncology, long-term follow-up of patients in the National Surgical Adjuvant Breast and Bowel Project (NSABP) Protocol B-31/NRG Oncology trial showed no worsening of cardiac function or quality of life with the addition of adjuvant trastuzumab...

breast cancer

Complications and Patient Satisfaction After Breast Reconstruction in Women Receiving Radiotherapy

In a prospective cohort study reported by Jagsi et al in the Journal of the National Cancer Institute, autologous reconstruction was associated with fewer complications and greater patient satisfaction vs implant approaches in women receiving postmastectomy radiotherapy. Study Details The...

breast cancer

ASCO/CCO Focused Guideline Update on Role of Bone-Modifying Agents in Metastatic Breast Cancer

As reported by Catherine Van Poznak, MD, of the University of Michigan, Ann Arbor, and colleagues in the Journal of Clinical Oncology, ASCO and Cancer Care Ontario (CCO) have collaborated in providing a focused update for the ASCO clinical practice guideline on the role of bone-modifying agents in...

breast cancer

ASHG 2017: Quantifying Breast Cancer Risk Based on Rare Variants and Background Risk

Rare variants combined with background genetic risk factors may account for many unexplained cases of familial breast cancer, and knowing the specific genes involved could inform choice of prevention and treatment strategies, according to findings presented in a plenary session at the American...

breast cancer

Potential Risk Activities and Breast Cancer–Related Lymphedema in Patients Undergoing Bilateral Surgery

In a study reported in the Journal of Clinical Oncology, Asdourian et al found that several factors considered to pose an increased risk of lymphedema were not significantly associated with the occurrence of lymphedema among women undergoing bilateral breast cancer surgery. Study Details In the...

breast cancer

Extended Aromatase Inhibitor Therapy After Sequential Endocrine Therapy

In the Dutch phase III DATA trial reported in The Lancet Oncology by Tjan-Heinjen et al, a nonsignificant disease-free survival advantage was found for 6 vs 3 years of adjuvant aromatase inhibitor therapy after 2 to 3 years of tamoxifen in hormone receptor–positive early breast cancer....

breast cancer

FDA Grants Priority Review for Olaparib in Metastatic Breast Cancer

On October 18, AstraZeneca and Merck & Co announced that the U.S. Food and Drug Administration (FDA) has accepted and granted Priority Review to a supplemental New Drug Application (sNDA) for the use of olaparib (Lynparza) tablets in patients with germline BRCA-mutated, HER2-negative...

breast cancer

MAF Amplification and Outcomes With Adjuvant Zoledronic Acid in Early Breast Cancer

An analysis from the phase III AZURE trial has shown that MAF-negative status was associated with a benefit and MAF-positive status, with a detriment of adjuvant zoledronic acid in early breast cancer. The analysis was reported by Coleman et al in The Lancet Oncology. Study Details The current...

breast cancer

Long-Term Use of Long-Acting Insulin Analogs and Breast Cancer Risk in Type 2 Diabetes

A study in the UK population has shown that long-term use of the long-acting insulin glargine was associated with increased risk of breast cancer among women with type 2 diabetes. The findings were reported by Wu et al in the Journal of Clinical Oncology. Study Details The study involved a...

breast cancer

FDA Grants Priority Review for Abemaciclib as Initial Treatment of Advanced Breast Cancer

On October 12, Eli Lilly and Company announced that the U.S. Food and Drug Administration (FDA) granted Priority Review designation to its New Drug Application (NDA) for abemaciclib (Verzenio), a cyclin-dependent kinase (CDK) 4/6 inhibitor. MONARCH 3 The NDA was based upon the positive interim...

breast cancer

Relationship Between Targeted HER2 Therapy and Breast Reconstruction

Trastuzumab (Herceptin) therapy for breast cancers that express the HER2 protein does not increase the risk of complications at the surgical site in women who undergo immediate breast reconstruction after mastectomy, according to findings published by Shammas et al in the Journal of the American...

breast cancer

Initial Treatment With CDK4/6 Inhibitor and Aromatase Inhibitor for Advanced Breast Cancer

As reported in the Journal of Clinical Oncology by Goetz et al, an interim analysis in the phase III MONARCH 3 trial has shown a significant progression-free survival benefit with the addition of the cyclin-dependent kinase (CDK) 4/6 inhibitor abemaciclib (Verzenio) to a nonsteroidal aromatase...

breast cancer
symptom management

Cryotherapy for Preventing Chemotherapy-Induced Peripheral Neuropathy in Patients With Breast Cancer

A self-controlled clinical trial by Hanai et al investigating the efficacy of cryotherapy for the prevention of chemotherapy-induced peripheral neuropathy in patients with breast cancer treated with paclitaxel has found that cryotherapy resulted in a clinically and statistically significant...

breast cancer

Study Finds 'Standard Care' Treatments in Breast Cancer Clinical Trials Not Always Standard

Historically, randomized controlled trials have served as the state-of-the-art method for determining the efficacy and safety of new, innovative treatment regimens for patients with cancer and other diseases. It is imperative that such trials are carefully designed to ensure that they are...

breast cancer

FDA Grants Priority Review for Pertuzumab for Adjuvant Treatment of HER2-Positive Early Breast Cancer

On September 29, Roche announced the U.S. Food and Drug Administration (FDA) has accepted the company’s supplemental Biologics License Application and granted Priority Review for pertuzumab (Perjeta), in combination with trastuzumab (Herceptin) and chemotherapy, for adjuvant treatment of...

breast cancer

10-Year Survival With vs Without Axillary Dissection in Invasive Breast Cancer With Sentinel-Node Metastasis

As reported in JAMA by Giuliano et al, 10-year overall survival in the ACOSOG Z0011 (Alliance) trial with sentinel lymph node dissection (SLND) alone was noninferior to that with axillary lymph node dissection (ALND) in women with clinical T1 or T2 invasive breast cancer, no palpable axillary...

breast cancer

What Is the Most Important Factor Women Consider in Deciding on SERM Use to Reduce Their Risk of Breast Cancer?

Currently, two medications have been approved by the U.S. Food and Drug Administration to reduce the risk of breast cancer: tamoxifen and raloxifene. Both medications, selective estrogen receptor modulators (SERMs), have been shown to reduce the risk for breast cancer by up to 50% in prevention...

breast cancer

ASTRO 2017: Shorter Course of Radiation Treatment Safe for Breast Cancer Patients Under 50

A higher-dose, shorter form of radiation is safe, effective, and no more damaging to the breast tissue or skin of breast cancer patients under age 50 than it is in older patients. This is the finding of a study led by researchers from Perlmutter Cancer Center at New York University (NYU)...

breast cancer

ASTRO 2017: Accelerated Breast Radiation Therapy Following Mastectomy Can Shorten Treatment Time While Maintaining Tumor Control

Radiation therapy following mastectomy for intermediate-stage, high-risk breast cancer can be shortened from 5 to 3 weeks while maintaining tumor control rates in the breast and surrounding region that are equivalent to conventional treatment, according to research presented by Sun et al at the...

breast cancer

Preexisting Mental Illness and All-Cause and Breast Cancer Mortality in Elderly Breast Cancer Patients

A study using linked Surveillance, Epidemiology, and End Results–Medicare data has shown a significantly increased risk of all-cause mortality and a nonsignificantly increased risk of breast cancer–specific mortality in elderly breast cancer patients with preexisting severe mental...

breast cancer

ASTRO 2017: Patients With Breast Cancer Find Radiation Therapy Experience Better Than Expected

A new survey finds breast cancer patients’ actual radiation therapy experiences largely exceeded their expectations. The survey, which addressed the fears and misconceptions regarding radiation therapy for breast cancer, found that more than three-fourths of the breast cancer patients...

breast cancer

Shulian Wang, MD, and Benjamin Movsas, MD, on Breast Cancer: Radiation Therapy After Mastectomy

Shulian Wang, MD, of the National Cancer Center in Beijing, and Benjamin Movsas, MD, of the Henry Ford Health System, discuss study results on the use of hypofractionated radiation therapy after mastectomy for the treatment of high-risk breast cancer (Abstract PL01).

breast cancer

Study Finds Smoking Negatively Impacts Long-Term Survival After Breast Cancer

According to the American Cancer Society, about 316,120 new cases of breast cancer will be diagnosed this year, and over 40,000 women will die of the disease. Between 10% and 20% of women diagnosed with cancer are current smokers. Now, a prospective study by Parada et al investigating whether...

breast cancer

Tumor-Infiltrating Lymphocytes in African Americans and European Americans With Triple-Negative Breast Cancer

Triple-negative breast cancer is a highly aggressive breast cancer that lacks hormone receptors and overexpression of human epidermal growth factor receptor 2 (HER2/neu), and, therefore, there are no targeted treatments available for the cancer. Triple-negative breast cancer afflicts African...

breast cancer

Religiously Tailored Educational Intervention to Encourage Mammography in American Muslim Women

Despite the U.S. Preventive Services Task Force recommendation that women between the ages of 50 and 74 undergo mammography every 2 years, only about 50% of American Muslim women do so, compared with 67% of all American women. A study by Padela et al investigating the mammography-related barrier...

breast cancer

Surgeon-Initiated Gene-Expression Profile Testing in Early-Stage Breast Cancer and Time to Start of Chemotherapy

In a single-center study reported in the Journal of Oncology Practice, Losk et al found that an intervention including surgeon initiation of gene-expression profile testing with Oncotype DX significantly reduced the time to testing, receipt of testing results, and initiation of chemotherapy in...

breast cancer

ESMO 2017: MONARCH 3: Abemaciclib as Initial Therapy Improves Outcome in Endocrine-Sensitive Advanced Breast Cancer

The results of the MONARCH 3 trial, presented at the European Society for Medical Oncology (ESMO) 2017 Congress in Madrid (Abstract 236O_PR), showed that adding the cyclin-dependent kinase (CDK) 4/6 inhibitor abemaciclib to endocrine therapy improved progression-free survival compared to endocrine...

breast cancer

Whole-Genome Sequencing Reveals Breast Cancers With Mismatch-Repair Deficiencies

Cancers caused by mismatch repair (MMR)-deficiency involve gene mutations that affect the ability of the cell to repair the mistakes that may occur during the DNA replication process. MMR-deficient tumors have 10 to 100 times more mutations than tumors with intact MMR pathways. A study...

breast cancer

First-in-Human Study of Tamoxifen Metabolite Z-Endoxifen in Endocrine-Refractory Metastatic Breast Cancer

A first-in-human phase I study of the oral tamoxifen metabolite Z-endoxifen showed high drug exposure, acceptable toxicity, and antitumor activity in endocrine-refractory estrogen receptor–positive metastatic breast cancer. The findings were reported in the Journal of Clinical Oncology by...

breast cancer

ESMO 2017: Adding Taselisib to Neoadjuvant Letrozole Improves Outcomes in Early Breast Cancer

Adding taselisib to letrozole before surgery significantly improved outcomes for patients with early breast cancer that was both estrogen receptor–positive and HER2-negative, according to results of the LORELEI trial, presented at the European Society for Medical Oncology (ESMO) 2017 Congress ...

breast cancer

Judy E. Garber, MD, MPH, on Triple-Negative Breast Cancer: An Update

Judy E. Garber, MD, MPH, of Dana-Farber Cancer Institute, offers expert perspectives on the role of PARP inhibitors in treating triple-negative breast cancer.

breast cancer

Marleen Kok, MD, PhD, on Triple-Negative Breast Cancer: Results From the TONIC Trial

Marleen Kok, MD, PhD, of The Netherlands Cancer Institute, discusses findings from an adaptive phase II noncomparative trial of nivolumab after induction treatment in triple-negative breast cancer (Abstract LBA14).

breast cancer

Sibylle Loibl, MD, PhD, on Metastatic Breast Cancer: Expert Perspective on CDK4 Inhibitors

Sibylle Loibl, MD, PhD, of the German Breast Group, summarizes a session she chaired in which the rationale to target CDK4, data on efficacy of the inhibitors, and triple combination therapy with PI3K were discussed.

breast cancer

ESMO 2017: MINDACT Study in Early-Stage Breast Cancer Shows Even Small Tumors Can Be Aggressive

Even small tumors in the breast can be aggressive, according to a study in patients with early-stage breast cancer presented at the 2017 European Society for Medical Oncology (ESMO) Congress in Madrid (Abstract 150O_PR). Researchers found that 24% of small tumors were aggressive, and patients...

breast cancer

FDA Clears Mammography Device With Option for Patient-Assisted Compression

On September 1, the U.S. Food and Drug Administration (FDA) cleared the first 2D digital mammography system that allows patients to increase or decrease the amount of compression applied to their own breast before the mammogram x-ray is taken. “Regular mammograms are an important tool in...

breast cancer

Genetic Variant May Significantly Lower Risk of Breast Cancer in Women With History of Preeclampsia

Researchers have demonstrated that women with a history of preeclampsia have as much as a 90% decrease in breast cancer risk if they carry a specific common gene variant. Further studies are now underway to determine the mechanism of this protection in an effort to develop new breast cancer...

breast cancer

FDA Grants Breakthrough Therapy Designation to DS-8201 for HER2-Positive Metastatic Breast Cancer

On August 29, Daiichi Sankyo announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to DS-8201, an investigational HER2-targeting antibody-drug conjugate, for the treatment of patients with HER2-positive, locally advanced or metastatic breast cancer...

breast cancer

FDA Approves Fulvestrant as Monotherapy for Expanded Use in Breast Cancer

On August 28, the U.S. Food and Drug Administration (FDA) approved fulvestrant (Faslodex) at 500 mg as monotherapy for expanded use in women with hormone receptor–positive, human epidermal growth factor receptor 2 (HER2)–negative advanced breast cancer who have gone through menopause...

breast cancer
gynecologic cancers

Loss of Heterozygosity in BRCA Gene May Influence Survival in Breast and Ovarian Cancers

Researchers in the Perelman School of Medicine at the University of Pennsylvania have found a relationship between the genetics of tumors with germline BRCA1/2 mutations—and whether the tumor retains the normal copy of the BRCA1/2 gene—and risk for primary resistance to a common...

breast cancer

AKT Inhibitor Ipatasertib in Metastatic Triple-Negative Breast Cancer

The randomized phase II LOTUS trial has shown improved progression-free survival with the addition of the AKT inhibitor ipatasertib to paclitaxel in the first-line treatment of metastatic triple-negative breast cancer. These results were reported by Kim et al in The Lancet Oncology. The PI3K/AKT...

breast cancer
issues in oncology

Comparison of Screening Recommendations for Mammography

When to initiate screening for breast cancer, how often to screen, and how long to screen are questions that continue to spark emotional debates. A new study compares the number of deaths that might be prevented as a result of three of the most widely discussed recommendations for screening...

breast cancer

Surveillance Mammography by Life Expectancy in Older Breast Cancer Survivors

In a study reported in the Journal of Clinical Oncology, Freedman et al found that many older breast cancer survivors with a limited life expectancy still undergo annual surveillance mammography despite the absence of known benefits. Study Details The study involved analysis of National Health...

breast cancer

Partial-Breast and Reduced-Dose Radiotherapy After Breast-Conserving Surgery

The UK IMPORT LOW phase III trial has shown noninferiority in local relapse for partial-breast and reduced-dose vs standard whole-breast radiotherapy after breast-conserving surgery in early breast cancer. These study results were reported by Coles et al in The Lancet. Study Details In the...

breast cancer

Genomic Characteristics and Immune Infiltration in Triple-Negative Breast Cancer

In a study reported in JAMA Oncology, Karn et al found that triple-negative breast cancers with high immune gene expression levels were characterized by lower clonal heterogeneity, reduced copy number alterations, and lower somatic mutation and neoantigen loads. Study Details In the study, DNA...

breast cancer

Effect of Radiotherapy After Breast-Conserving Surgery Among Breast Cancer Subtypes

In an analysis of the Swedish Breast Cancer Group 91 Radiotherapy trial reported in the Journal of Clinical Oncology, Sjöström et al found that adjuvant radiotherapy vs no radiotherapy had an increased benefit in triple-negative disease and little effect on HER2-positive disease in a...

breast cancer

Predisposition to Breast Cancer Due to Mutations Other Than BRCA1 and BRCA2 in Ashkenazi Jewish Women

A cohort study in Ashkenazi Jewish women with breast cancer identified mutations other than BRCA1 and BRCA2 founder alleles that were associated with cancer risk. These study results were reported by Walsh et al in JAMA Oncology. Among Ashkenazi Jewish women, three mutations in BRCA1 and BRCA2...

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