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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...

breast cancer

Ovarian Function Recovery During Anastrozole Therapy in Postmenopausal Patients With Breast Cancer

In the phase III DATA trial reported in the Journal of the National Cancer Institute by van Hellemond et al, 12% of women with breast cancer who had chemotherapy-induced ovarian function failure experienced ovarian function recovery during 30 months of aromatase inhibitor therapy with anastrozole....

breast cancer
issues in oncology

Perioperative Anti-inflammatory, Antistress Drugs May Reduce Postsurgical Metastatic Disease Recurrence

Most cancer-related deaths are the result of postsurgical metastatic recurrence. A new Tel Aviv University (TAU) study published by Shaashua et al in Clinical Cancer Research found a specific drug regimen administered prior to and after surgery significantly reduces the risk of postsurgical cancer...

breast cancer

Trastuzumab-Based Regimens in Older Women With Early Breast Cancer

A comparative analysis of outcomes with two different trastuzumab (Herceptin)-based adjuvant regimens in older women with early HER2-positive breast cancer found little difference in safety and efficacy between treatments. The study was reported by Reeder-Hayes et al in the Journal of Clinical...

breast cancer

10-Year Follow-up on Adjuvant Tamoxifen and Exemestane in Postmenopausal Early Breast Cancer

The 10-year follow-up of the phase III TEAM trial has shown that exemestane alone and sequential tamoxifen/exemestane provide similar outcomes as adjuvant endocrine therapy in postmenopausal women with hormone receptor–positive early breast cancer. The findings were reported in The Lancet...

breast cancer

Effect of BRCA1/2 Status on Response to Neoadjuvant Carboplatin in Triple-Negative Breast Cancer

An analysis of the GeparSixto trial in triple-negative breast cancer showed that adding carboplatin to neoadjuvant therapy improved pathologic complete response rate in patients without BRCA1/2 mutation and that response rates were higher overall in those with mutations, without additive effects...

breast cancer

Fulvestrant Receives EC Approval as First-Line Therapy for Advanced Breast Cancer

On July 26, the European Commission (EC) approved fulvestrant (Falsodex) for the treatment of estrogen receptor–positive, locally advanced or metastatic breast cancer in postmenopausal women not previously treated with endocrine therapy. The EC approval is based on pivotal data from the...

breast cancer

Association of Bisphosphonate Use and Breast Cancer Risk in Postmenopausal Women

A study in postmenopausal women in the French E3N prospective cohort indicated bisphosphonate use was not associated with a reduced risk of breast cancer. These findings were reported by Fournier et al in the Journal of Clinical Oncology. Study Details The study included 64,438 postmenopausal...

breast cancer

Breast Cancer Survivor Preferences for Providers of Aspects of Primary Care After Cancer Treatment

In a study reported in the Journal of Clinical Oncology, Wallner et al found that minority women vs white women and women with a lower vs higher attained education level were more likely to prefer oncology-directed care vs primary care provider–directed care for aspects of care normally...

breast cancer

Genetic Study Identifies Susceptibility Loci Modifying Risk for Breast Cancer After Radiation Therapy for Childhood Cancer

As reported in the Journal of the National Cancer Institute, Morton et al have identified gene loci associated with radiation-related risk of breast cancer in survivors of childhood cancer. Study Details The study was a genome-wide association study of breast cancer in female survivors of...

breast cancer

Neoadjuvant Ado-trastuzumab Emtansine vs Trastuzumab in Early HER2-Positive, HR-Positive Breast Cancer

A West German Study Group phase II trial, reported by Harbeck et al in the Journal of Clinical Oncology, has shown a higher pathologic complete response rate with neoadjuvant ado-trastuzumab emtansine (formerly known as T-DM1; Kadcyla) with or without endocrine therapy vs trastuzumab (Herceptin)...

breast cancer
solid tumors

CDK4/6 Inhibitors Have a Manageable Toxicity Profile, Are Generally Well Tolerated in Patients With Breast Cancer

A class of oral drugs for treating breast cancer known as cyclin-dependent kinase (CDK) 4/6 inhibitors are generally well-tolerated, with a manageable toxicity profile for most patients. This is the conclusion of a comprehensive review of toxicities and drug interactions related to this class of...

breast cancer

Neoadjuvant Radiation Reduces Risk of Secondary Tumors in Early-Stage Breast Cancer

Moffitt Cancer Center researchers conducted a first-of-its-kind study comparing the long-term benefits of radiation therapy in women with breast cancer in the neoadjuvant and adjuvant settings. Their study, published by Poleszczuk et al in Breast Cancer Research, found that patients who have...

breast cancer

MammaPrint Scoring and Indolent Node-Negative Breast Cancer

In an analysis reported in JAMA Oncology, Esserman et al found that an ultralow-risk designation using the 70-gene MammaPrint assay is capable of identifying patients with node-negative disease who have a very low long-term risk of death from breast cancer after surgery without systemic therapy....

breast cancer

FDA Approves Neratinib for Extended Adjuvant Treatment of Early-Stage HER2-Positive Breast Cancer

Today, the U.S. Food and Drug Administration approved neratinib (Nerlynx) for the extended adjuvant treatment of adult patients with early-stage HER2-overexpressed/amplified breast cancer, to follow adjuvant trastuzumab (Herceptin)-based therapy. ExteNET Trial Approval was based on the ExteNET...

breast cancer

Anthracycline-Free Adjuvant Treatment in Early TOP2A-Normal Breast Cancer

The Danish phase III DBCG 07-READ trial has shown no difference in disease-free survival with adjuvant docetaxel/cyclophosphamide vs epirubicin, cyclophosphamide, and docetaxel in patients with early TOP2A-normal breast cancer. These trial results were reported in the Journal of Clinical Oncology...

breast cancer

Priority Review Granted for Abemaciclib in the Treatment of Advanced Breast Cancer

On July 10, the U.S. Food and Drug Administration (FDA) accepted a new drug application (NDA) for abemaciclib, a cyclin-dependent kinase (CDK) 4/6 inhibitor, and gave the NDA a Priority Review designation. The NDA includes Eli Lilly and Company’s submission of abemaciclib for two indications: ...

breast cancer

MammaPrint Test Addressed in ASCO Breast Cancer Guideline Update

New recommendations on the use of the MammaPrint genomic test issued on July 10 will help guide decisions on adjuvant systemic therapy for women with early breast cancer. The recommendations update the ASCO 2016 clinical practice guideline on the use of biomarkers in these patients. The...

breast cancer

Effect of Patient-Reported Symptoms on Adherence to Preventive Treatment for Breast Cancer

In an analysis of the UK cohort of the International Breast Cancer Intervention Study (IBIS-I) reported in the Journal of Clinical Oncology, Smith et al found similar effects of predefined symptoms on nonadherence in both tamoxifen and placebo recipients. IBIS-I randomized women at high risk of...

breast cancer

Fat Grafting and Patient-Reported Outcomes in Postmastectomy Breast Reconstruction

The use of fat grafting as a tool for breast reconstruction following a mastectomy may improve breast satisfaction, psychosocial well-being, and sexual well-being in patients, according to a study published by Bennett et al in JAMA Surgery. Fat grafting as an adjunct to breast reconstruction...

breast cancer

Interventionist-Guided Weight Loss Program for African American Breast Cancer Survivors

As reported by Stolley et al in the Journal of Clinical Oncology, a community-based interventionist-guided weight loss program for African American breast cancer survivors (Moving Forward) proved successful in achieving weight loss goals compared with a self-guided weight loss program. African...

breast cancer

Study Estimates Risks of Breast and Ovarian Cancers in BRCA1/2-Mutation Carriers

In a prospective cohort study reported in JAMA, Kuchenbaecker et al derived estimates of cumulative risks for breast, ovarian, and contralateral breast cancers among women carrying BRCA1 or BRCA2 mutations. Study Details The study involved data from 6,036 BRCA1 and 3,820 BRCA2 carriers recruited...

breast cancer

NCCN Guidelines® Compliance for Chest CT May Reduce False Positives and Decrease Health-Care Spending in Breast Cancer

According to Surveillance, Epidemiology, and End Results (SEER) data, more than 260,000 women were diagnosed with breast cancer in the United States in 2016, most of whom were diagnosed with early-stage (stage I or II) disease. For this demographic, the National Comprehensive Cancer Network®...

breast cancer

Accelerated vs Standard Epirubicin and Capecitabine vs CMF in Adjuvant Therapy for Breast Cancer

The phase III UK TACT2 trial has shown no efficacy benefit of accelerated vs standard epirubicin and a potential quality-of-life benefit of capecitabine vs CMF (cyclophosphamide, methotrexate, fluorouracil) as adjuvant therapy for breast cancer. The findings were reported in The Lancet Oncology by...

breast cancer

Equivalence Trial of Neoadjuvant Trastuzumab Biosimilar CT-P6 vs Trastuzumab in HER2-Positive Breast Cancer

A phase III equivalence trial has shown comparable pathologic complete response rates with the proposed trastuzumab biosimilar CT-P6 vs reference trastuzumab (Herceptin) in neoadjuvant treatment of HER2-positive early breast cancer. The study was reported by Stebbing et al in The Lancet Oncology....

breast cancer

Trends in Surgery After Initial Lumpectomy for Breast Cancer

In a study reported in JAMA Oncology, Morrow et al found that the rates of surgery after initial lumpectomy for stage I or II breast cancer have decreased with dissemination of guidelines advocating a minimal negative surgical margin. A 2014 consensus statement of the Society of Surgical Oncology...

breast cancer
prostate cancer

SNMMI 2017: Imaging Metastatic Breast and Prostate Cancer Using Dual-Agent PET/MRI With Time of Flight

Simultaneous injections of the radiopharmaceuticals fluorine-18 fluorodeoxyglucose (F-18 FDG) and fluorine-18 sodium fluoride (F-18 NaF) followed by quantitative scanning significantly improved image quality and detection of bone metastases at a lower dose, according to research presented at...

breast cancer

Combination of Buparlisib and Fulvestrant in Postmenopausal Women With Advanced Breast Cancer

In the phase III BELLE-2 trial, the addition of the PI3K inhibitor buparlisib to fulvestrant (Faslodex) improved progression-free survival in postmenopausal hormone receptor–positive, HER2-negative advanced breast cancer—but at the cost of excessive toxicity. Results were reported in...

breast cancer

Adding Abemaciclib to Fulvestrant in Hormone Receptor–Positive, HER2-Negative Breast Cancer

In the phase III MONARCH 2 trial reported at the recent ASCO Annual Meeting and in the Journal of Clinical Oncology by Sledge et al, the addition of the selective cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitor abemaciclib to fulvestrant (Faslodex) improved progression-free survival in hormone...

breast cancer

Lisa A. Carey, MD, and Richard S. Finn, MD, on Breast Cancer: Findings From the PALOMA-1/TRIO 18 Trial

Lisa A. Carey, MD, of the University of North Carolina, and Richard S. Finn, MD, of UCLA Medical Center, discuss phase II overall survival findings on palbociclib in combination with letrozole vs letrozole alone for front-line treatment of ER+/HER2– advanced breast cancer. (Abstract 1001)

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