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breast cancer

Parabens May Increase Breast Cancer Risk at Lower Doses Than Previously Thought

Estrogen-mimicking chemicals called parabens, which are commonly found in an array of personal care products, may be more dangerous at lower doses than previously thought, according to a new study. The findings, published by Pan et al in Environmental Health Perspectives, could have implications...

breast cancer
issues in oncology

American Cancer Society Updates Its Breast Cancer Screening Guidelines for Average-Risk Women

After commissioning a systematic evidence review of the breast cancer screening literature to inform an update of its 2003 breast cancer screening interval guideline, the American Cancer Society (ACS) released new guidelines for women at average risk of breast cancer. The recommendations include...

breast cancer

ASTRO 2015: Accelerated Partial-Breast Irradiation With Brachytherapy After Breast-Conserving Surgery Is as Effective as Whole-Breast Irradiation

For some early-stage breast cancer patients, accelerated partial-breast irradiation using multicatheter brachytherapy following breast-conserving surgery may be an excellent treatment option, as it has now been proven to be as effective as the current standard treatment—whole-breast...

issues in oncology
breast cancer
issues in oncology

Study Examines Links Between Viral and Bacterial Microbial Signatures and Triple-Negative Breast Cancer

Cancer is the result of normal cellular functions going wildly awry on a genetic level. That fact has been known for some time, but increasing evidence is showing that the human microbiome, the diverse population of microorganisms within every person, may play a key role in either setting the stage ...

breast cancer

Reduced Risk of Estrogen Receptor–Negative Breast Cancer With Later Age at Menarche in African American Women

In a study reported in the Journal of the National Cancer Institute, Ambrosone et al found that risk of estrogen receptor–negative breast cancer was reduced with later age at menarche in both parous and nulliparous African American women. Greater interval between menarche and first live birth ...

breast cancer

Study Finds Use of Accelerated Partial-Breast Irradiation Has Stagnated

Accelerated partial-breast irradiation was designed to be a faster, more convenient, and potentially safer way for many women with breast cancer to reduce their mortality risk and help keep their cancer from returning after surgery. But a new study shows that despite the availability of accelerated ...

breast cancer
supportive care
issues in oncology

To Optimize Tamoxifen Use Among Premenopausal Women With Breast Cancer, Include Access to Fertility-Preservation Options

A multivariable analysis of clinical factors associated with tamoxifen use among premenopausal women with hormone receptor–positive breast cancer showed that fertility preservation was a significant factor and “the only predictor of both noninitiation and early cessation” of...

breast cancer
colorectal cancer
lung cancer

A Tolerant Immune System May Increase Cancer Risk

For a malignant tumor to form, cancer cells must evade the immune system's attack. Numerous studies have already shown that cancer spreads particularly aggressively if there is an unfavorable balance between suppressing and active immune cells in the tumor microenvironment. “But we didn't...

breast cancer

12-Year Ipsilateral Breast Invasive Recurrence in 7.5% to 13.4% of Women With Low-Risk DCIS Receiving Surgical Excision Without Radiation

As reported by Solin et al in Journal of Clinical Oncology, 12-year results from the ECOG-ACRIN E5194 trial indicate that among women with ductal carcinoma in situ (DCIS) with low-risk clinical and pathologic characteristics, surgical excision without radiation therapy was associated with...

breast cancer

BMI Is an Independent Prognostic Factor in Patients With Node-Positive Breast Cancer Receiving Optimally Dosed Chemotherapy

In an analysis reported in the Journal of the National Cancer Institute, Ligibel et al found that body mass index (BMI) at diagnosis was independently prognostic for recurrence-free and overall survival in women with early-stage node-positive breast cancer who received doxorubicin,...

breast cancer
issues in oncology
cost of care

Unilateral Mastectomy Is a More Cost-Effective Treatment for Sporadic Cancer in One Breast Than Contralateral Prophylactic Mastectomy

For younger women with early-stage, noninherited breast cancer on one side, a unilateral mastectomy leads to a slightly higher quality of life and lower costs over the next 20 years compared with contralateral prophylactic mastectomy, according to new study results presented at the 2015 Annual...

breast cancer

Comparison of Adjuvant Regimens in Early-Stage Breast Cancer

In a systematic review and network meta-analysis reported in JAMA Oncology, Fujii et al found that sequential anthracycline-cyclophosphamide and taxane (AC-T) appears to be the most effective adjuvant regimen in early-stage breast cancer in terms of association with overall survival and toxicity....

breast cancer
issues in oncology

Breast Tumor Genomic Characteristics Suggest More Aggressive Biology in African American vs White Women

In a study reported in the Journal of Clinical Oncology, Keenan et al found that African American women with breast cancer had greater intratumor genetic heterogeneity, a higher frequency of TP53 mutation, and higher risk for basal tumors compared with white women, with the characteristics...

breast cancer
survivorship
issues in oncology

ECC 2015: Treatment of Elderly Patients With Breast Cancer Varies Throughout Europe

First results from the largest international comparison of the treatment of elderly patients with breast cancer have shown substantial differences in the use of surgery, hormone therapy, and chemotherapy among European countries. The European Registration of Cancer Care (EURECCA) study compared the ...

breast cancer
survivorship
issues in oncology

ECC 2015: Hormone Therapy May Prevent Ovarian Failure and Preserve Fertility in Women With Breast Cancer

Young women undergoing chemotherapy for breast cancer may be more likely to remain fertile if they also receive hormonal treatment, according to new research (Abstract 1957) presented at the 2015 European Cancer Congress in Vienna, Austria, and published simultaneously by Lambertini et al in Annals ...

issues in oncology
breast cancer
issues in oncology

ECC 2015: Study Finds Significant Genetic Differences Between Breast Cancers That Relapse and Those That Do Not

Although most patients with breast cancer are cured after treatment, in about one in five patients, the cancer will recur, returning either to the same place as the original tumor or metastasizing to other parts of the body. Now, researchers have taken an important step toward understanding why...

breast cancer

Phase II Study Suggests Survival Benefit With First-Line Fulvestrant vs Anastrozole in Advanced Breast Cancer

Overall survival data from a phase II study, reported in the Journal of Clinical Oncology by Ellis et al, suggest a benefit of first-line fulvestrant (Faslodex) vs anastrozole in postmenopausal women with estrogen receptor–positive advanced breast cancer. The study protocol was amended to...

breast cancer

Breast Cancer Symposium: Adjuvant Radiation After Lumpectomy May Benefit Some Elderly Women With Triple-Negative Breast Cancer

Adjuvant radiation therapy may be omitted for elderly women with estrogen receptor–positive, early-stage breast cancer who receive hormone therapy. Limited data exist to guide treatment decision-making for elderly women with triple-negative breast cancer. As some findings thus far have shown...

breast cancer
issues in oncology
survivorship

Breast Cancer Symposium: Recurrence Rates for Ductal Carcinoma in Situ Treated Between 1978–2010

A new retrospective analysis explored local recurrence rates for women with ductal carcinoma in situ (DCIS) treated between 1978 and 2010. In the research (Abstract 32) by Van Zee et al, to be presented September 25 at the 2015 Breast Cancer Symposium, in San Francisco, investigators evaluated a...

breast cancer
gynecologic cancer
issues in oncology
issues in oncology
cost of care

Study Questions Cost-Effectiveness of Universal BRCA Screening

Women who are carriers of mutated BRCA genes are known to have a significantly higher risk for developing breast and ovarian cancers than those who do not have the mutations. A viewpoint published recently in JAMA Oncology by researchers at the University of California Los Angeles questioned...

breast cancer

Prophylactic Surgery Rates Rise in Men With Breast Cancer

The number of men with breast cancer who undergo surgery to remove the unaffected breast has risen sharply, according to a new report by the American Cancer Society and Dana-Farber Cancer Institute researchers. The report, published by Jemal et al in JAMA Surgery, is the first to identify the...

breast cancer
survivorship

Group-Based Behavioral Weight Loss Intervention Successful in Overweight/Obese Breast Cancer Survivors

Obesity increases the risk for overall and breast cancer mortality and comorbidity. As reported in the Journal of Clinical Oncology by Rock et al, the Exercise and Nutrition to Enhance Recovery and Good Health for You (ENERGY) study has shown that a group-based behavioral intervention can produce...

breast cancer
issues in oncology

Study Explores Link Between Breast Cancer Recurrence Score and Chemotherapy Use

A genetic test that helps predict whether some women’s breast cancer will recur might influence how chemotherapy is used, according to a study from Duke Medicine. The study found that low-risk patients who had the test appeared to opt for more treatment, and high-risk patients who were...

breast cancer
supportive care
survivorship
issues in oncology

Sham and Real Electroacupuncture Reduce Hot Flashes vs Gabapentin and Pill Placebo in Breast Cancer Survivors

In a study assessing placebo effects reported in the Journal of Clinical Oncology, Mao et al found that sham electroacupuncture produced a greater reduction in hot flashes than placebo pills and gabapentin, with the greatest reduction being achieved with real electroacupuncture. Study Details In...

issues in oncology
breast cancer

Stiffer Breast Tissue in Obese Women May Promote Tumor Growth

Women who are obese have a higher risk and a worse prognosis for breast cancer, but the reasons why remain unclear. A Cornell study published by Seo et al in Science Translational Medicine suggests that obesity changes the consistency of breast tissue in ways that predispose an individual to tumor...

issues in oncology
breast cancer
issues in oncology
issues in oncology

New 'Mutation-Tracking' Blood Test Could Predict Breast Cancer Relapse

Scientists have developed a blood test for breast cancer that may be able to identify which patients will suffer a relapse after treatment, months before tumors are visible on hospital scans. The test may uncover small numbers of residual cancer cells that have resisted therapy by detecting cancer...

breast cancer
supportive care
survivorship
issues in oncology
issues in oncology

Fertility Concerns and Side Effects Keep Many Young Women With Breast Cancer From Taking or Completing Tamoxifen

Concerns about fertility kept one-third of young women with breast cancer surveyed in a recent study from taking tamoxifen, despite its known benefit in reducing the risk of breast cancer recurrence. In addition, the study found fertility concerns led one-quarter of women who started...

breast cancer

Pericytes May Help Some Tumors Evade the Immune System

A study by researchers at Sweden's Karolinska Institutet is reportedly the first to suggest that cells in the tumor blood vessels contribute to a local environment that protects the cancer cells from tumor-killing immune cells. The results, published by Hong et al in the Journal of the...

breast cancer
issues in oncology
issues in oncology
issues in oncology

Black Women Have Higher Frequency of BRCA Mutations Than Previously Reported

Women who have inherited mutations in the BRCA1 or BRCA2 gene are more likely to develop breast cancer or ovarian cancer, especially at a younger age. Approximately 5% of women with breast cancer in the United States have mutations in BRCA1 or BRCA2, based on estimates in non-Hispanic white women. ...

breast cancer

Report of Secondary Outcomes in NSABP B-40 Indicates Improved Overall Survival With Neoadjuvant Plus Adjuvant Bevacizumab in Early Breast Cancer

The phase III NSABP B-40 (NRG Oncology) trial showed that the addition of bevacizumab (Avastin) to docetaxel-based neoadjuvant chemotherapy improved pathologic complete response rate, the primary endpoint, in patients with early HER2-negative breast cancer. In a report of secondary outcomes in The...

breast cancer
health-care policy
issues in oncology

Introduction of Generic Aromatase Inhibitors Reduces Decline in Adherence in Medicare D Breast Cancer Patients Without Low-Income Subsidy

Adherence to aromatase inhibitor treatment for breast cancer declines over time. In a study reported in the Journal of the National Cancer Institute, Neuner et al found that introduction of generic aromatase inhibitors resulted in a reduction in decline in adherence among patients with breast...

breast cancer
issues in oncology

Study Finds Many Women Experience Long-Term Psychosocial Consequences of False-Positive Screening Mammography

Although mammographic screening leads to reductions in breast cancer mortality, some women experience psychosocial side effects and do not benefit from screening, according to a study by Bolejko et al investigating the prevalence and predictors of the psychosocial consequences of false-positive...

breast cancer

Study Evaluates Breast Cancer Mortality in Women With DCIS

In a study reported in JAMA Oncology, Narod et al found that the risk of breast cancer mortality was elevated in some patients with ductal carcinoma in situ compared with the general population, with the risk being higher in younger vs older women and black vs white women. Approximately half of...

breast cancer
issues in oncology

Confocal Fluorescence Microscopy and Proflavine Staining May Speed Up Breast Cancer Diagnosis

New software could speed up breast cancer diagnosis with 90% accuracy without the need for a specialist, according to research published by Dobbs et al in Breast Cancer Research. This method could improve breast cancer management, particularly in developing countries, where pathologists are not...

breast cancer
gynecologic cancer
issues in oncology
issues in oncology

Multigene Panel Testing for Hereditary Breast and Ovarian Cancer Risk Assessment

Multigene testing of women who tested negative for BRCA1 and BRCA2 found some of them harbored other harmful genetic mutations—most commonly, moderate-risk breast and ovarian cancer genes, as well as Lynch syndrome genes (which increase the risk of ovarian cancer)—according to an...

breast cancer
issues in oncology

Adjuvant Taxane-Based Chemotherapy Is Not Associated With Increased Risk of Lymphedema, Study Finds

In women with breast cancer, taxane-based chemotherapy—docetaxel and paclitaxel—did not appear to increase the incidence of lymphedema, according to a study by Swaroop et al in Breast Cancer Research and Treatment. However, the investigators did note that adjuvant chemotherapy with...

breast cancer
supportive care
integrative oncology

Study Finds Music Therapy Lowers Anxiety During Surgical Breast Biopsies

A first-of-its-kind study published by Bradley Palmer et al in the Journal of Clinical Oncology found that music therapy lessened anxiety for women undergoing surgical breast biopsies for cancer diagnosis and treatment. The 2-year study, conducted at University Hospitals (UH) Seidman Cancer Center, ...

breast cancer
issues in oncology

Hypofractionation of Breast Radiotherapy Associated With Reduced Acute Toxicity

In an analysis reported in JAMA Oncology, Jagsi et al found that hypofractionation of whole-breast radiotherapy was associated with reduced acute toxicity compared with conventional fractionation. Study Details The study involved data on physician-assessed toxic effects and patient-reported...

breast cancer
issues in oncology

Preclinical Study Shows MRI and Chemical Contrast Solution Combination Can Detect Breast Cancer Micrometastases

Researchers have shown that magnetic resonance imaging (MRI) can detect the earliest signs of breast cancer recurrence and fast-growing tumors through detecting micrometastases, breakaway tumor cells with the potential to develop into dangerous secondary breast cancer tumors elsewhere in the body....

breast cancer
issues in oncology
issues in oncology

Most Stage-Specific Survival Improvement in Women With Breast Cancer Under Age 70 Is Not Explained by Tumor Size or Estrogen Receptor Status

In an analysis reported in the Journal of Clinical Oncology, Park et al found that most of the improvement in breast cancer–specific mortality observed over time in the United States is not explained by tumor size or estrogen receptor status in women aged < 70 years, suggesting a major...

breast cancer
issues in oncology
issues in oncology

Patients With Breast Cancer Over Age 80 Less Likely to Benefit From Chemotherapy Alone Than Younger Patients

Chemotherapy prolongs life for older adults with most types of cancer, but for women with breast cancer over age 80, the chances of survival with chemotherapy alone are significantly lower than in younger patients, according to a study led by researchers from the University of Texas...

breast cancer
issues in oncology

Reduced Short-Term Effects With Hypofractionated Whole-Breast Irradiation After Breast-Conserving Surgery

In a randomized trial reported in JAMA Oncology, Shaitelman et al found that hypofractionated whole-breast irradiation resulted in reduced short-term effects compared with conventional fractionation in women with stage 0 to II breast cancer undergoing breast-conserving surgery. Study Details In...

breast cancer
prostate cancer

Packaging Paclitaxel in Nanoparticles May Increase Drug Efficacy in Preclinical Models

Duke University researchers found that packaging the widely used cancer drug paclitaxel into nanoparticles more than doubled the drug’s effectiveness in destroying tumors in preclinical models. Their findings were published by Bhattacharyya et al in Nature Communications. Paclitaxel has been ...

breast cancer
issues in oncology

17-Year Follow-up Indicates Early but Not Overall Reduction in Breast Cancer Mortality With Annual Mammography Screening at Age 40-49 Years

The 17-year follow-up in the UK Age trial, reported in The Lancet Oncology by Moss et al, indicated a reduction in breast cancer mortality during the first 10 years after diagnosis but not thereafter among women invited for annual mammography screening from age 40 to 49 years compared with...

breast cancer

ASCO Clinical Practice Guideline: Use of Biomarkers to Guide Decisions on Systemic Therapy for Women With Metastatic Breast Cancer

As reported in the Journal of Clinical Oncology by Van Poznak et al, ASCO has issued a clinical practice guideline on the use of biomarkers to guide decisions on systemic therapy in women with metastatic breast cancer. The statement is based on an ASCO expert panel assessment of systematic reviews, ...

issues in oncology
breast cancer

Researchers Identify Marker for Basal-Like Breast Cancer

A new way to detect—and perhaps treat—one of the deadliest types of breast cancer may have been found. Led by researchers at Boston University School of Medicine (BUSM), the study was published by Papageorgis et al in Breast Cancer Research. A subset of the triple-negative breast...

breast cancer

Benefit of Adjuvant Letrozole vs Tamoxifen Is Greater in Lobular Than in Ductal Breast Cancer

In a BIG 1-98 trial analysis reported in the Journal of Clinical Oncology, Metzger Filho et al found that the benefit of adjuvant letrozole vs tamoxifen was greater in patients with lobular than ductal breast carcinoma. Study Details In the BIG 1-98 trial, postmenopausal women with hormone...

issues in oncology
breast cancer

Pretreatment TNF Level May Be Associated With Memory Impairment in Women With Newly Diagnosed Breast Cancer

In a study reported in the Journal of the National Cancer Institute, Patel et al found that inflammatory cytokine levels were associated with poorer memory function in women with newly diagnosed breast cancer, with higher pretreatment levels of soluble tumor necrosis factor (TNF) receptor type ...

breast cancer

Improved Outcomes With Aromatase Inhibitors vs Tamoxifen in Early Breast Cancer

In a patient-level meta-analysis of randomized trials reported in The Lancet by the Early Breast Cancer Trialists’ Collaborative Group (EBCTCG), 5 years of aromatase inhibitor treatment significantly reduced the recurrence risk vs 5 years of tamoxifen therapy during the first 4 years and...

breast cancer

Adjuvant Bisphosphonates May Reduce Bone Recurrence and Breast Cancer Mortality in Postmenopausal Women

In a patient-level meta-analysis reported in The Lancet by the Early Breast Cancer Trialists’ Collaborative Group (EBCTCG), adjuvant bisphosphonate treatment in early breast cancer was associated with a reduced risk of bone recurrence and breast cancer mortality, with the benefit limited to...

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