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Epithelial-mesenchymal transition plays a key role in tumor cell invasion, metastasis, and drug resistance and the transcription factor brachyury has recently been identified as a driver of this process. In a study reported in the Journal of the National Cancer Institute, Palena et al found that a...
A new study of 80,000 women with early breast cancer in 70 clinical trials finds that obesity is associated with a 34% higher risk of breast cancer–related death only among the 20,000 premenopausal women who had estrogen receptor–positive disease. Obesity had little effect in...
In 2010, Surveillance, Epidemiology, and End Results (SEER) registries began collecting data on HER2 receptor status in breast cancer cases. In a study reported in the Journal of the National Cancer Institute, Howlader et al identified U.S. incidence rates for breast cancer by joint hormone...
The effect of false-positive mammograms on women undergoing screening is being investigated by the U.S. Preventive Services Task Force. In a study reported in JAMA Internal Medicine, Tosteson et al assessed responses to false-positive screening mammograms. According to the authors, their findings...
Preclinical data suggest that triple-negative breast cancer is sensitive to interstrand crosslinking agents and that the combination of a taxane, trastuzumab (Herceptin), and a platinum may have synergistic effects in HER2-positive breast cancer. In a randomized phase II trial (GeparSixto, German...
There are few treatment options for breast cancer patients with progressive disease after two or more HER2-directed regimens for recurrent or metastatic disease. In the open-label phase III TH3RESA trial reported in The Lancet Oncology by Krop and et al, ado-trastuzumab emtansine (Kadcyla)...
As many as half of patients with metastatic HER2-positive breast cancer develop brain metastases over time. The American Society of Clinical Oncology recently released a clinical practice guideline on disease management for patients with advanced HER2-positive breast cancer and brain metastases. A...
Approximately 15% of patients with breast cancer have tumors that overexpress the HER2 protein, and these patients can benefit from HER2-targeted therapies. The American Society of Clinical Oncology recently released a clinical practice guideline on systemic therapy for patients with advanced...
Surgery for metastatic breast cancer conveys a significantly increased risk for morbidity and mortality at 30 days vs surgery for earlier-stage disease, according to researchers from the University of Toronto who presented their findings at the American Society of Breast Surgeons Annual Meeting in...
Radiation therapy, an emerging treatment modality for breast cancer in the lymph nodes, is associated with significantly fewer postoperative complications than axillary lymph node dissection, according to a detailed analysis of morbidity from the AMAROS trial presented at a press briefing prior to...
Cryoablation of breast tumors, which destroys lesions by exposing them to extremely low temperatures, may be a promising alternative to surgery in carefully selected women with early-stage disease, according to a study presented at the American Society of Breast Surgeons Annual Meeting in Las...
The incidence of breast cancer in women treated with chest radiation therapy for childhood cancer previously has been estimated at 5% to 14% by age 40 years and is among the highest reported for any population. In a study reported in the Journal of Clinical Oncology, Moskowitz et al found that the...
A new study has found that loss of paid employment after a diagnosis of early-stage breast cancer may be common and potentially related to the type of treatment patients received. Published early online in Cancer, the findings by Jagsi et al support efforts to reduce the side effects and burden of...
In a phase IIa trial reported in the Journal of Clinical Oncology, Miller et al assessed combined HER2-targeted therapy with the antibody-drug conjugate ado-trastuzumab emtansine (Kadcyla) and pertuzumab (Perjeta) in women with HER2-positive locally advanced or metastatic breast cancer. Pertuzumab...
Disease progression in HER2-positive breast cancer treated with trastuzumab (Herceptin) may be associated with PI3K/Akt/mTOR pathway activation, and use of an mTOR inhibitor might restore trastuzumab sensitivity. In the double-blind phase III BOLERO-3 trial reported in The Lancet Oncology,...
In female patients undergoing breast cancer lumpectomies, intraoperative frozen section margin assessment has been shown to decrease overall reoperation rates, according to the results of a study reported by Boughey et al in the journal Surgery. This finding may lead to lower health-care costs, a...
In an analysis from the EPIC study reported in the Journal of the National Cancer Institute, Sieri et al found that high dietary intake of total fat and saturated fat were associated with increased risk of estrogen receptor–positive/progesterone receptor–positive breast cancer and that...
HER3 links with HER2 in a reciprocal relationship including negative feedback signaling that can upregulate HER2-HER3 signaling to compensate for HER2 inhibition. This signal-buffering capacity protects HER2-HER3 against a nearly 2-log inhibition of HER2 catalytic activity. The anti-HER2 tyrosine...
In a study reported in the Journal of the National Cancer Institute, Park et al examined single nucleotide polymorphisms (SNPs) associated with other cancers for potential associations with lung cancer. They found that the breast cancer SNP LSP1 rs3817198 was associated with significant risk of...
The National Cancer Institute of Canada (NCIC) Clinical Trials Group MAP.3 (Mammary Prevention 3) trial showed that daily exemestane treatment reduced invasive breast cancer risk by 65% among postmenopausal women. In a quality-of-life study in the MAP.3 population reported in the Journal of...
Researchers have developed a quantitative multiplexed methylation-specific polymerase chain reaction assay called cMethDNA for a panel of 10 breast cancer–specific genes. The blood-based assay was found to be highly sensitive in detecting advanced breast cancer and monitoring tumor burden and ...
As reported in the Journal of Clinical Oncology by Buchholz et al, ASCO has endorsed the recently published Society of Surgical Oncology (SSO) and American Society for Radiation Oncology (ASTRO) consensus guideline on margins for breast-conserving surgery with whole-breast irradiation in stage I...
Loss of the tumor suppressor PTEN was a frequent cause of resistance to the investigational drug BYL719, which blocks the activity of the PI3K-alpha protein, in a small sample of women with breast cancer that progressed after initially responding to BYL719 treatment, according to results presented...
Resistance to a combination of HER2-targeted therapies, trastuzumab (Herceptin) and lapatinib (Tykerb), was associated with elevated activation of a group of proteins called fibroblast growth factor receptors (FGFRs), which are the target of a number of drugs currently being developed, according to ...
Findings from the I-SPY 2 randomized phase II clinical trial for women with newly diagnosed stage II breast cancer show that a neoadjuvant regimen containing the investigational drug neratinib, a pan-HER inhibitor, and standard chemotherapy is beneficial for patients with hormone...
The novel oral drug LY2835219, an inhibitor of cyclin-dependent kinases (CDK) 4 and 6, showed early promise as monotherapy for patients with metastatic breast cancer, particularly for those with hormone receptor–positive disease, according to results of a phase I study presented at the...
First-line treatment with the combination of palbociclib plus letrozole extended progression-free survival by approximately 50% in patients with metastatic estrogen receptor–positive, HER2-negative breast cancer, according to final results of a randomized phase II study presented at the...
A large study of over 12,000 women who took clomiphene citrate or gonadotropins for the treatment of infertility has found no increase in breast cancer risk over 30 years of follow-up, compared with women who were not treated with these medications. The study by Brinton et al is published in Cancer ...
Doctors should focus on life expectancy when deciding whether to order mammograms for their oldest female patients, since the harms of screening likely outweigh the benefits unless women are expected to live at least another decade, according to a review published online in JAMA by Walter and...
Population-based screening with full-field digital mammography is associated with lower recall and biopsy rates than screen-film mammography, suggesting that full-field digital mammography may reduce the number of diagnostic workups and biopsies that do not lead to diagnosis of breast cancer,...
In a study reported in the Journal of the National Cancer Institute, van de Water et al found that Dutch women with hormone receptor–positive breast cancer aged ≥ 65 years at diagnosis who were treated in a clinical trial had significantly fewer comorbid diseases, higher socioeconomic...
Physicians have long suspected that chemotherapy can accelerate the aging process in patients treated for cancer. Using a test developed at UNC Lineberger Comprehensive Cancer Center to determine molecular aging, oncologists have directly measured the impact of anticancer chemotherapy drugs on...
In the phase III IBIS-II trial, reported in The Lancet, Cuzick et al found that aromatase inhibitor therapy with anastrozole reduced risk of breast cancer in postmenopausal women at high risk of the disease. Study Details In this double-blind trial, 3,864 postmenopausal women aged 40 to 70 years...
Scientists from Weill Cornell Medical College, New York, and Houston Methodist, Houston, have found that a gene previously unassociated with breast cancer plays a pivotal role in the growth and progression of the triple-negative form of the disease. The research by Chen et al, published in Nature,...
As reported by Gianni et al in The Lancet Oncology, long-term follow-up of women with HER2-positive locally advanced breast cancer receiving neoadjuvant chemotherapy alone vs with neoadjuvant and adjuvant trastuzumab (Herceptin) in the phase III NOAH trial has shown continued event-free survival...
Patients with early-stage breast cancer who underwent sentinel lymph node dissection experienced lymphedema more frequently than clinically suspected and with increasing incidence over time, according to a presentation at the 2014 Society of Surgical Oncology (SSO) Cancer Symposium in Phoenix...
Analysis of data from the UK NHS Breast Screening Programme has shown significant variations in the outcomes of treatment for women with ductal carcinoma in situ (DCIS) between UK hospitals. Dr. Jeremy Thomas, a consultant pathologist at the Western General Hospital, Edinburgh, told the 9th...
A review by ASCO’s Update Committee of new data from randomized clinical trials has led to a change in recommendations for the use of sentinel lymph node biopsy in patients with early-stage breast cancer. The updated guideline will enable more women with early-stage breast cancer to avoid the ...
Extending national breast cancer screening programs to women over the age of 70 does not result in a decrease in the number of cancers detected at advanced stages, according to new research from The Netherlands. Instead, researchers told attendees at the 9th European Breast Cancer Conference that...
Both obesity and diabetes have adverse effects on outcomes in breast cancer patients who receive neoadjuvant chemotherapy, according to research presented at the 9th European Breast Cancer Conference. Although a high body mass index (BMI) is known to have a negative impact on cancer development and ...
Participating in athletic activities for more than an hour a day reduces the risk of breast cancer, and this applies to women of any age and any weight, regardless of geographic location, according to research presented at the 9th European Breast Cancer Conference in Glasgow. Compared with the...
Genetic analyses of results from 1,125 postmenopausal women being treated for estrogen-responsive breast cancer have shown that some of them are more likely than others to have a late recurrence of their cancer and might benefit from 10 years of hormone therapy rather than 5 years. Women who had...
Women whose breast cancer has spread to just a few lymph nodes under their arm are less likely to have their disease recur or to die from it if they have radiotherapy after mastectomy, according to new research presented today at the European Breast Cancer Conference in Glasgow and published in The ...
In a pooled analysis of individual patient data reported in The Lancet Oncology, Bidard et al found that baseline circulating tumor cell counts and increases in counts during treatment were highly prognostic in patients with metastatic breast cancer beginning new treatment and that addition of...
Short telomeres are associated with increased risk of cancer, but data on telomere length and mortality in breast cancer survivors are inconsistent. In a study reported in the Journal of the National Cancer Institute, Duggan et al found that decreases in telomere length between baseline and 30...
In a companion study (MA.27B) to the open-label phase III National Cancer Institute of Canada Clinical Trials Group (NCIC CTG) MA.27 trial in women with early breast cancer reported in The Lancet Oncology, Goss et al found that adjuvant aromatase inhibitor treatment with exemestane, a mildly...
In a study reported in the Journal of the National Cancer Institute, Théberge et al evaluated the association between radiologist interpretive volume and breast cancer screening accuracy in the Quebec Breast Cancer Screening Program. They found that accuracy increased with increasing volume, ...
Although it is recommended that women aged ≥ 75 years be informed of the benefits and risks of mammography before being screened, it appears that this is not common practice. As reported in JAMA Internal Medicine by Schonberg et al, a decision aid developed by the investigators helped improved...
Little is known about how fertility concerns affect treatment decisions or fertility preservation strategies at the time of initial diagnosis of breast cancer. In an ongoing multicohort study reported in the Journal of Clinical Oncology, Ruddy et al found that most young women with breast cancer...
In a phase IIB study reported in the Journal of Clinical Oncology, Guarneri et al compared neoadjuvant letrozole plus lapatinib (Tykerb) or placebo in postmenopausal women with hormone receptor–positive, HER2-negative breast cancer. Response rates were similar in the two groups, but a...