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breast cancer
issues in oncology

High Frequency of Inherited Mutations in Susceptibility Genes in a Triple-Negative Breast Cancer Cohort Unselected for Family History of Breast Cancer

In a study reported in Journal of Clinical Oncology, Couch et al found a high frequency of inherited mutations in breast cancer susceptibility genes in a cohort of women with triple-negative breast cancer unselected for family history of breast or ovarian cancer. In the study, the frequency of...

breast cancer

SABCS 2014: Capecitabine Monotherapy Does Not Improve Survival in Elderly Patients With Early-Stage Breast Cancer

In elderly breast cancer patients with moderate- to high-risk early-stage disease for whom standard chemotherapy is too toxic, capecitabine, which causes fewer side effects than standard chemotherapy agents, did not improve outcomes when tested as monotherapy, according to data from the phase III...

breast cancer

SABCS 2014: IBIS-I Trial Finds Tamoxifen Lowered Breast Cancer Rates Among High-Risk Women

After a median of 16 years of following women at high risk for breast cancer, the International Breast Cancer Intervention Study-I (IBIS-I) trial found that tamoxifen significantly decreased the incidence of all breast cancers, according to data presented at the 2014 San Antonio Breast Cancer...

breast cancer

SABCS 2014: Adding Carboplatin to Neoadjuvant Therapy Increases Pathologic Complete Response Rates Across Subtypes in Triple-Negative Breast Cancer

Among women with triple-negative breast cancer, both basal-like and non–basal-like tumors were equally likely to demonstrate a pathologic complete response to neoadjuvant chemotherapy, but they responded differently to exposure to carboplatin and bevacizumab (Avastin), in an analysis of the...

breast cancer

SABCS 2014: Ovarian Suppression Added to Hormonal Therapy Reduces Risk of Recurrence in Some Premenopausal Women

Results of the large international SOFT trial present a convincing argument for the addition of ovarian function suppression to adjuvant hormonal therapy to reduce the risk of recurrence in premenopausal women with hormone receptor–positive breast cancer at high enough risk to be treated with ...

breast cancer

SABCS 2014: Breast Cancer in Men and Women Has Different Biologic Characteristics and Outcomes

Results from the largest series of male breast cancer cases ever studied showed that there was significant improvement in overall survival for male breast cancer patients over the duration of the study, but the improvement was not as good as has been seen for female breast cancer patients,...

breast cancer

SABCS 2014: High Tumor Immune Cell Levels May Identify HER2-Positive Breast Cancer Patients Who Might Benefit From Chemotherapy Alone

Women with HER2-positive breast cancer who had high levels of immune cells in their tumors had a decreased risk of cancer recurrence after treatment with chemotherapy alone compared with their counterparts who had low levels of tumor-infiltrating immune cells, according to data presented at the...

breast cancer

SABCS 2014: Pembrolizumab Holds Promise in Breast Cancer, Early Studies Suggest

Single-agent treatment with the immunotherapy drug pembrolizumab (Keytruda) produced a “signal of activity” and led to some durable response, in patients with metastatic triple-negative breast cancer, Rita Nanda, MD, of the University of Chicago, reported at the 2014 San Antonio Breast...

breast cancer

SABCS 2014: PI3K Inhibition With Pictilisib in Hormone Receptor–Positive Breast Cancer Not Ready for Prime Time

Interest is high in studying the PI3K pathway in hormone receptor–positive breast cancer, but it is not clear which of the PI3K inhibitors under development—if any—will be a “home run.” Adding the pan-class I selective PI3K inhibitor pictilisib to fulvestrant...

breast cancer

No Disease-Free Survival Differences Among Doxorubicin/Cyclophosphamide Plus Paclitaxel Regimens in High-Risk Early-Stage Breast Cancer

In the phase III SWOG S0221 trial reported in the Journal of Clinical Oncology, Budd et al found no differences in disease-free survival among four different doxorubicin/cyclophosphamide plus paclitaxel regimens in patients with node-positive or high-risk node-negative breast cancer. A subgroup...

breast cancer
issues in oncology

Effect of Computer-Aided Detection in Mammography Screening on Cost and DCIS Diagnosis in Medicare Population

In a study reported in a research letter in JAMA Surgery, Fenton et al found that a sizable proportion of ductal carcinoma in situ (DCIS) diagnoses are attributable to computer-aided detection in mammography screening in the Medicare population and that use of computer-aided detection in this...

breast cancer
issues in oncology

Risk-Based Screening Misses Over 75% of Invasive Breast Cancers in Women in Their 40s

A study of breast cancers detected with screening mammography found that strong family history and dense breast tissue were commonly absent in women between the ages of 40 and 49 diagnosed with breast cancer. Results of the study were presented today at RSNA 2014, the annual meeting of the...

breast cancer
issues in oncology

3D Mammography Improves Cancer Detection in Dense Breasts

A new study presented at RSNA 2014, the annual meeting of the Radiological Society of North America, has found that digital breast tomosynthesis, also known as three-dimensional (3D) mammography, has the potential to significantly increase the cancer detection rate in mammography screening of women ...

breast cancer

DNA Vaccine Targeting Mammaglobin-A Produces Robust Immune Response in Metastatic Breast Cancer

In a phase I study, a DNA vaccine targeting the breast cancer–associated antigen mammaglobin-A (MAM-A) was found to be safe and effective in eliciting immune responses in women with metastatic breast cancer. Preliminary evidence also suggests that the vaccine improved progression-free...

breast cancer

FDG-PET Predicts Complete Response to Neoadjuvant Trastuzumab/Docetaxel in HER2-Positive Breast Cancer

In the French phase II AVATAXHER trial reported in The Lancet Oncology, Coudert et al found that 18F–fluorodeoxyglucose (FDG) positron-emission tomography (PET) predicted complete response to trastuzumab (Herceptin)/docetaxel neoadjuvant therapy and that adding bevacizumab (Avastin) in...

breast cancer
issues in oncology

More Than 40% of U.S. Women Have Mammographically Dense Breasts

In a study reported in the Journal of the National Cancer Institute, Sprague et al found that more than 40% of U.S. women have mammographically dense breasts, with the prevalence being inversely proportional to age and body mass index (BMI). As noted by the authors: “National legislation is...

breast cancer
gynecologic cancer

Low Risk of Breast Cancer After Ovarian Cancer in Women With BRCA Mutation

In a retrospective single-institution study reported in JAMA Surgery, Gangi et al found a low risk of breast cancer after diagnosis of ovarian cancer in women harboring BRCA mutations.   The study involved 364 women who had BRCA mutation testing for stage I to IV epithelial ovarian...

breast cancer

PAM50 Risk of Recurrence Score Helps Predict Late Distant Recurrence After 5 Years of Endocrine Treatment for Breast Cancer

In a combined analysis of outcomes in the translational research cohort of the Arimidex, Tamoxifen Alone or in Combination trial (TransATAC) and the Austrian Breast and Colorectal Cancer Study Group 8 (ABCSG 8) trial reported in the Journal of Clinical Oncology, Sestak and colleagues found that the ...

breast cancer

About 25% of Patients Undergoing Breast-Conservation Surgery for Stage 0 to II Carcinoma Have Subsequent Surgery

“Approximately one-fourth of all patients who undergo initial breast-conservation surgery for breast cancer will have a subsequent operative intervention,” concluded a study published online in JAMA Surgery. “The rate of repeat surgeries varies by patient, tumor, and facility...

breast cancer

High Rate of Tumor Marker Assessment in Older Early-Stage Breast Cancer Survivors

Current guidelines discourage tumor marker assessment in surveillance of nonmetastatic breast cancer. In a study reported in the Journal of Clinical Oncology, Ramsey et al found that > 40% of Medicare patients with early-stage breast cancer had at least one tumor marker assessment and that...

breast cancer

Risedronate Reduces Anastrozole-Related Bone Loss in Osteopenic/Osteoporotic Postmenopausal Women

In a substudy of the IBIS-II trial reported in The Lancet Oncology, Sestak et al found that risedronate treatment reduced anastrozole-related bone loss over 3 years in postmenopausal women at increased risk for breast cancer. Study Details The study involved assessment of bone mineral density...

breast cancer

No Benefit of Adding Iniparib to Gemcitabine/Carboplatin in Metastatic Triple‑Negative Breast Cancer

In a phase III trial reported in the Journal of Clinical Oncology, O’Shaughnessy et al found that the addition of iniparib to gemcitabine and carboplatin did not improve overall survival or progression-free survival in patients with metastatic triple-negative breast cancer. An exploratory...

breast cancer

Continued Preventive Effect of Radiotherapy After Breast-Conserving Surgery for DCIS in 20-Year Follow-Up of SweDCIS Trial

The 20-year follow-up of the Swedish randomized SweDCIS trial, reported by Wärnberg et al in the Journal of Clinical Oncology, shows a continued benefit of radiotherapy after breast-conserving surgery for ductal carcinoma in situ (DCIS) in preventing ipsilateral disease. A nonsignificant...

breast cancer

Worse Patient-Reported Outcomes With Addition of Ovarian Function Suppression to Tamoxifen in Premenopausal Women With Breast Cancer

In the phase III Eastern Cooperative Oncology Group (ECOG) E-3193 (Intergroup 0142) trial, reported in the Journal of Clinical Oncology by Tevaarwerk et al, adding ovarian function suppression to tamoxifen was associated with worse patient-reported outcomes in premenopausal women with...

breast cancer

No Benefit of Adding Lapatinib to Fulvestrant in Hormone Receptor–Positive Advanced Breast Cancer

In the phase III Cancer and Leukemia Group B (CALGB) 40302/Alliance trial reported in the Journal of Clinical Oncology, Burstein et al found that the addition of the dual EGFR-HER2 inhibitor lapatinib (Tykerb) to endocrine therapy with fulvestrant (Faslodex) did not improve progression-free...

breast cancer

Comparable Disease Control, Less Morbidity With Axillary Radiotherapy vs Surgery in Breast Cancer Patients With Positive Sentinel Node

In a noninferiority phase III EORTC 10981-22023 AMAROS trial reported in The Lancet Oncology, Donker et al found that axillary radiotherapy provided comparable disease control and was associated with less morbidity compared with axillary surgery in breast cancer patients with a positive sentinel...

breast cancer
integrative oncology

New Guidelines Issued on Use of Complementary Therapies for Breast Cancer

More than 80% of breast cancer patients in the United States use complementary therapies following a breast cancer diagnosis, but there has been little science-based guidance to inform clinicians and patients about their safety and effectiveness. In newly published clinical practice guidelines...

breast cancer

Similar Local Tumor Recurrence Rates With Hypofractionated vs Conventional Radiotherapy for Ductal Carcinoma in Situ

In patients with ductal carcinoma in situ of the breast who underwent breast-conserving surgery, hypofractionated radiation therapy was not significantly associated with an increased risk of any local recurrence when compared with conventional radiation therapy, according to the study findings...

breast cancer
issues in oncology

Analysis Suggests 70-Gene Signature Strategy Is Not Cost-Effective in Adjuvant Decisions in Patients With Node-Negative Breast Cancer

In a French analysis reported in the Journal of Clinical Oncology, Bonastre and colleagues found that use of the 70-gene signature (MammaPrint) was unlikely to be cost-effective in deciding whether to administer adjuvant therapy in patients with node-negative breast cancer. Use of Adjuvant! Online...

breast cancer

Language and Communication Cognitive Complaints Worsen After Initiation of Endocrine Therapy in Early-Stage Breast Cancer

Data suggest that cancer treatment puts patients at risk of cognitive impairment and that many patients exhibit impairment prior to treatment. In an observational cohort study reported in the Journal of Clinical Oncology, Ganz et al found that language and communication cognitive complaints were...

issues in oncology
breast cancer

CLEOPATRA Analysis Shows That HER2 Is Sole Marker Suitable for Selection of Pertuzumab/Trastuzumab-Based Treatment in Metastatic Breast Cancer

In an analysis in the CLEOPATRA trial population reported in the Journal of Clinical Oncology, Baselga et al found that HER2 was the only biomarker suitable for use in selecting patients for first-line pertuzumab (Perjeta)/trastuzumab (Herceptin)-based treatment in patients with HER2-positive...

breast cancer
survivorship

Chest Radiation to Treat Childhood Cancer Increases Patients’ Risk of Developing Breast Cancer

A new study has found that patients who received chest radiation for Wilms tumor, a rare childhood cancer, face an increased risk of developing breast cancer later in life due to their radiation exposure. Reported by Lange et al in Cancer, the findings suggest that cancer screening guidelines might ...

breast cancer

Long-Term Overall Survival Benefit of Adding Trastuzumab to Adjuvant Chemotherapy in Early-Stage HER2-Positive Breast Cancer

Earlier planned joint analyses of outcomes in the National Surgical Adjuvant Breast and Bowel Project (NSABP) B-31 trial and North Central Cancer Treatment Group (NCCTG) N9831 trial showed that adding trastuzumab (Herceptin) to adjuvant chemotherapy improved disease-free survival and overall...

breast cancer
issues in oncology

Genomic Sequencing More Efficient in Predicting Breast Cancer Risk Than Previously Thought

Using genomic sequencing data on all currently known genetic alterations in breast cancer, it is possible to identify a woman’s genetic risk for the disease, and this approach can bring greater gains in disease prevention than previously estimated, according to a study reported by Sieh et al...

breast cancer

Newly Discovered Molecular-Level Mechanism May Increase the Growth of Breast Cancer Cells

Researchers at VTT Technical Research Centre of Finland, the University of Turku, Finland, and the University of Oslo, Norway, have discovered a previously unknown molecular-level mechanism that may partly explain the increased growth of cancer cells. The study, published in the British Journal of...

breast cancer

Neratinib Plus Capecitabine Shows Activity in HER2-Positive Metastatic Breast Cancer

Neratinib is an irreversible pan-tyrosine kinase inhibitor with activity against HER1, HER2, and HER4. In a phase I/II trial reported in the Journal of Clinical Oncology, Saura et al found that the combination of neratinib and capecitabine exhibited high activity in patients with trastuzumab...

breast cancer

Neoadjuvant Chemotherapy Plus Two Anti-HER2 Agents Optimal for HER2-Positive Breast Cancer

For women with human epidermal growth factor receptor 2 (HER2)-positive breast cancer, combining two anti-HER2 agents with chemotherapy is the most effective treatment modality in the neoadjuvant setting, according to a meta-analysis published in the Journal of the National Cancer Institute. The...

breast cancer
skin cancer

FDA Approves Expanded Use of Tilmanocept for Lymphatic Mapping in Solid Tumors

The U.S. Food and Drug Administration (FDA) has approved the Supplemental New Drug Application for the expanded use of technetium 99m tilmanocept (Lymphoseek Injection) for lymphatic mapping in solid tumors and for adding sentinel lymph node detection for breast cancer and melanoma to the approved...

breast cancer

Racial Differences in the Risk of Second Breast Tumors Reported in Women With Ductal Carcinoma in Situ

Regardless of age at diagnosis, type of treatment, tumor grade or size, and tumor histology, black and Hispanic women had a higher risk of second ipsilateral breast tumors than did white women after ductal carcinoma in situ, according to the results of a large registry study presented by Liu et al...

breast cancer

FDA Grants Priority Review to Palbociclib as First-Line Therapy in Combination With Letrozole in Advanced Breast Cancer

The U.S. Food and Drug Administration (FDA) has accepted and granted Priority Review to Pfizer’s New Drug Application for palbociclib, in combination with letrozole, as a first-line treatment for postmenopausal women with estrogen receptor–positive, HER2-negative advanced breast cancer...

breast cancer
issues in oncology

PET/CT Scanning May Provide Accurate Staging of Younger Patients With Breast Cancer

In breast cancer patients under the age of 40, positron-emission tomography/computed tomography (PET/CT) scanning may provide accurate clinical staging for stage IIB and III disease, according to the study findings presented by Riedl et al in The Journal of Nuclear Medicine. The utilization of...

breast cancer

Second-Line Bevacizumab/Chemotherapy Improves Progression-Free Survival in Advanced HER2-Negative Breast Cancer

In the phase III TANIA trial reported in The Lancet Oncology, von Minckwitz et al found that adding bevacizumab (Avastin) to chemotherapy in second-line treatment improved progression-free survival after first-line bevacizumab plus chemotherapy in patients with HER2-negative locally recurrent or...

breast cancer

Improved Survival With Maintenance Capecitabine/Bevacizumab vs Bevacizumab Alone in HER2-Negative Metastatic Breast Cancer

Regulatory approval of bevacizumab (Avastin) plus docetaxel in metastatic breast cancer was withdrawn in Europe in February 2011 and in the United States in November 2011. The phase III IMELDA trial comparing maintenance capecitabine/bevacizumab vs bevacizumab after first-line bevacizumab/docetaxel ...

breast cancer

Swedish Study Indicates No Increased Risk of Breast Cancer With 5 Years of Continuous Exposure to Calcium Channel Blockers

A recently reported U.S. population-based case-control study in women aged 55 to 74 years indicated that current use of calcium channel blockers for ≥ 10 years was associated with increased risk of ductal breast cancer (odds ratio [OR] = 2.4) and lobular breast cancer. In a Swedish case-control...

breast cancer

Comorbidity Associated With Shorter Overall Survival but Not With Time to Relapse or Toxicity in Older Women on Adjuvant Chemotherapy

In the Cancer and Leukemia Group B (CALGB) 70103 study, comorbidity was associated with shorter overall survival among older women with early-stage breast cancer and good functional status receiving adjuvant chemotherapy. “The presence of four or more conditions appeared to be a threshold for ...

breast cancer
survivorship

Dutch Study Finds No Increased Risk of Cardiovascular Mortality in 5-Year Survivors of DCIS

In a Dutch study reported in the Journal of the National Cancer Institute, Boekel et al found no increase in risk of cardiovascular mortality among 5-year survivors of ductal carcinoma in situ (DCIS) compared with the general population. Among DCIS patients, risk of cardiovascular events did not...

breast cancer

ESMO 2014: CLEOPATRA Study Shows ‘Unprecedented’ Survival With Dual HER2 Blockade in Metastatic Breast Cancer

In the final overall survival analysis of the phase III CLEOPATRA trial, patients with HER2-positive metastatic breast cancer patients lived 15.7 months longer if they received pertuzumab (Perjeta) in addition to trastuzumab (Herceptin) and docetaxel, investigators reported at the ESMO 2014...

breast cancer

Soy Intake May Adversely Affect Gene Expression in Early Breast Cancer

In a randomized study reported in the Journal of the National Cancer Institute, Shike et al found that soy supplementation resulting in high genistein levels was associated with overexpression of the tumorigenic growth factor receptor FGFR2 and genes that drive cell cycle and proliferation...

breast cancer

PIK3CA Mutations Associated With Lower Rate of Pathologic Complete Response to Neoadjuvant Anti-HER2 Therapy in Breast Cancer

In a study reported in the Journal of Clinical Oncology, Loibl et al found that PIK3CA mutation was associated with lower pathologic complete response rate in patients with HER2-positive breast cancer receiving trastuzumab (Herceptin), lapatinib (Tykerb), or both in addition to neoadjuvant...

breast cancer
issues in oncology

Little Molecular Difference and No Prognostic Effect of Clinical HER2 Status in Context of Intrinsic Breast Cancer Subtypes

In a study reported in the Journal of the National Cancer Institute, Prat et al found that there was little difference in downstream gene or protein expression according to intrinsic breast cancer subtypes among clinical HER2-positive vs -negative breast cancers and that clinical HER2 status did...

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