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breast cancer

Recent Decrease in Deaths Attributable to Breast Cancer in the United States

The latest U.S. estimates indicate that since 1989, hundreds of thousands of women's lives have been saved by mammography and improvements in breast cancer treatment. In a study published by Hendrick et al in Cancer, findings point to progress made in the early detection and management of...

breast cancer

MRI and Assay Results May Influence Treatment of DCIS

In a prospective cohort clinical trial reported in JAMA Oncology, Lehman et al found that multiple factors, including magnetic resonance imaging (MRI) findings, played a role in conversion to mastectomy among women with ductal carcinoma in situ (DCIS) who were candidates for wide local excision...

Breast Cancer

Breast Cancer Surgical Terminology Should Be Updated to Reflect Modern Medical Practice

BREAST CANCER is a microscopic disease, with most patients presenting with “localized” stage I to III disease, for which they are offered curative-intent surgery often accompanied by radiation therapy, chemotherapy, and hormonal therapy. More accurately, we now know that patients with localized...

breast cancer

Postmastectomy Hypofractionated vs Conventionally Fractionated Radiotherapy for High-Risk Breast Cancer

In a Chinese, single-center, noninferiority phase III trial reported in The Lancet Oncology, Wang et al found that postmastectomy hypofractionated radiotherapy was noninferior to and associated with similar toxicities vs conventionally fractionated radiotherapy in patients with high-risk breast...

breast cancer

CYP2D6 Genotypes, Endoxifen Levels, and Clinical Outcome in Early-Stage Breast Cancer Treated With Adjuvant Tamoxifen

In a Dutch-Belgian study (CYPTAM) reported in the Journal of Clinical Oncology, Sanchez-Spitman et al found no associations between CYP2D6 genotypes or levels of endoxifen (active metabolite of tamoxifen) and clinical outcomes in patients receiving adjuvant tamoxifen for early-stage breast cancer....

breast cancer

Effect of Peer Review Within a Cancer Care Network on Use of Hypofractionated Radiotherapy for Early-Stage Breast Cancer

In a study reported in the Journal of Oncology Practice, Ganju et al found that implementation of a cancer care network–wide peer review process aimed at standardizing treatment resulted in increasing use of hypofractionated radiotherapy in early-stage breast cancer at community-based...

Breast Cancer

Small Differences Found in Breast Cancer Recurrence With Partial-Breast vs Whole-Breast Irradiation

Partial-breast irradiation delivered over 5 to 10 days did not meet noninferiority criteria compared with whole-breast irradiation given over 5 to 7 weeks, according to 10-year results of the large NRG (NSABP B-39/RTOG 0413) trial presented at the 2018 San Antonio Breast Cancer Symposium.1 However, ...

Breast Cancer

Selected Abstracts From the San Antonio Breast Cancer Symposium

Each year, The ASCO Post asks Jame Abraham, MD, FACP, Director of the Breast Oncology Program at Taussig Cancer Institute and Professor of Medicine at the Cleveland Clinic Lerner College of Medicine, to offer his picks for the most important research presented at the 2018 San Antonio Breast Cancer ...

breast cancer
issues in oncology

Racial Differences in Time to Breast Cancer Surgery and Survival in the U.S. Military Health System

In a retrospective cohort study reported in JAMA Surgery, Eaglehouse et al found that time to breast cancer surgery was delayed for non-Hispanic black vs non-Hispanic white women in the Military Health System but that this difference did not account for poorer overall survival in non-Hispanic black ...

breast cancer
cost of care

Cost-Effectiveness Analysis of Gene-Expression Profiling Assay in Breast Cancer

A new report published by Wang et al in JNCCN—Journal of the National Comprehensive Cancer Network found that using Oncotype DX—the most commonly used test for predicting the benefit of adjuvant chemotherapy to reduce the risk of disease recurrence—is not...

breast cancer

Short-Term Safety Outcomes in Mastectomy and Immediate Implant-Based Breast Reconstruction

In a prospective cohort study reported in The Lancet Oncology, Potter et al found that complications following immediate implant-based breast reconstruction—with or without mesh—were higher than considered acceptable by UK national standards. As noted by the investigators, the study was ...

Breast Cancer

Genomic Classifier for Luminal Androgen Receptor Triple-Negative Breast Cancer

TRIPLE-NEGATIVE breast cancer is a heterogeneous disease that comprises several subtypes, which may respond differently to therapy. Breast cancer researchers at the Mayo Clinic are developing a novel genomic signature that may improve the identification of the luminal androgen receptor vs basal...

Breast Cancer
Immunotherapy

IMpassion130 Trial: Changing the Treatment Landscape in Metastatic Triple-Negative Breast Cancer

THE IMPASSION130 trial—reported in The New England Journal of Medicine by Schmid et al1 and reviewed in this issue of The ASCO Post—was an eagerly awaited study in newly diagnosed metastatic triple-negative breast cancer. To briefly review, 902 patients were randomly assigned in a 1:1 fashion to...

Breast Cancer
Immunotherapy

Addition of Atezolizumab to Nab-Paclitaxel in Advanced Triple-Negative Breast Cancer: IMpassion130 Trial

AS REPORTED in The New England Journal of Medicine by Peter Schmid, MD, PhD, of the Barts Cancer Institute, Queen Mary University of London, and colleagues, the phase III IMpassion130 trial has shown that the addition of atezolizumab to nanoparticle albumin-bound (nab)-paclitaxel significantly...

Breast Cancer
Immunotherapy

Challenge Moving Forward in Breast Cancer Treatment: To Show That New Approaches Change Outcomes

ADVANCES IN treating breast cancer over the past 20 years have brought us to the point where treatment can be confidently de-escalated for some patients, and immunotherapy and precision decision-making may change the way breast cancer is treated for others, William Gradishar MD, FASCO, told the...

Breast Cancer

Preventing Locoregional Recurrence of Breast Cancer Should Not Deter Efforts to Decelerate Therapy

“SURGEONS AND radiation oncologists are obsessed with locoregional recurrence of breast cancer,” Monica Morrow, MD, FASCO, remarked at the 2018 Lynn Sage Breast Cancer Symposium, Chicago. Working to prevent locoregional recurrence, “even if it may not be the major threat to mortality, is...

Breast Cancer

Risk of Local Recurrence in Breast Cancer: Impact of Molecular Subtype and Surgical Approach

THE RISK of local recurrence in breast cancer “does not differ substantially based on the operation we perform, but it does differ substantially by subtype,” Tari A. King MD, FACS, stated at the 2018 Lynn Sage Breast Cancer Symposium in Chicago.1 At 10-year follow-up, Dr. King reported, local...

Breast Cancer
Symptom Management

Expert Point of View: C. Kent Osborne, MD

COMMENTING ON the ACCRU study SC-1603, press conference moderator C. Kent Osborne, MD, Director of the Dan L Duncan Comprehensive Cancer Center at Baylor College of Medicine in Houston and Co-Director of the San Antonio Breast Cancer Symposium, said: “In patients who have breast cancer, I usually...

Breast Cancer
Symptom Management

Oxybutynin: A Novel Option for Managing Hot Flashes?

OXYBUTYNIN, AN ANTICHOLINERGIC drug approved for the treatment of overactive bladder, reduced the frequency and intensity of hot flashes in women who were suffering frequent hot flashes, including breast cancer survivors who were receiving tamoxifen or aromatase inhibitors. These results of the...

breast cancer

Tumor-Infiltrating Lymphocytes and Prognosis in Early-Stage Triple-Negative Breast Cancer

In a pooled analysis reported in the Journal of Clinical Oncology, Loi et al found that levels of stromally located tumor infiltrating lymphocytes (sTILs) are strongly prognostic in early-stage triple-negative breast cancer, with improved survival observed in patients with higher levels of sTILs...

Breast Cancer

Expert Point of View: Carlos L. Arteaga, MD

PRESS CONFERENCE moderator Carlos L. Arteaga, MD, Director, Harold C. Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas, said that oncologists typically do not test triple-negative breast cancer for basal-like or non–basal-like features....

Breast Cancer

Role of Adjuvant Capecitabine in Triple-Negative Breast Cancer

ADJUVANT CAPECITABINE added to standard neoadjuvant chemotherapy failed to significantly improve disease-free or overall survival in patients with early triple-negative breast cancer in the large phase III CIBOMA/2004-01_GEICAM/2003-11 (CIBOMA/GEICAM) trial.1 However, extended treatment with...

Breast Cancer

Expert Point of View: Virginia G. Kaklamani, MD; Monica Morrow, MD; and John Cole, MD

AT THE SAN ANTONIO Breast Cancer Symposium, several breast cancer experts interviewed by The ASCO Post noted that the approved dose of tamoxifen was arbitrarily set, and the optimal dose is actually unknown. Studies of lower-dose tamoxifen, therefore, are welcomed. Virginia G. Kaklamani, MD,...

Breast Cancer

Low-Dose Tamoxifen Halves Breast Cancer Risk in Women With Preinvasive Breast Lesions

A VERY LOW DOSE of tamoxifen—5 mg/d, given for 3 years rather than 5 years—halved the risk of breast cancer recurrence or new lesions over placebo in women with breast intraepithelial neoplasia, without producing the usual toxicities seen with the standard dose, Italian researchers reported at the...

breast cancer

MRI Background Parenchymal Enhancement and Risk of Breast Cancer

In a population-based study reported in the Journal of Clinical Oncology, Arasu and colleagues found that increased breast magnetic resonance imaging (MRI) background parenchymal enhancement was associated with an increased risk of breast cancer, with risk being independent of breast density. The...

breast cancer
gastroesophageal cancer
gastrointestinal cancer

FDA Approves Biosimilar Trastuzumab-dttb

On January 18, the U.S. Food and Drug Administration (FDA) approved trastuzumab-dttb (Ontruzant), a biosimilar referencing trastuzumab, across all eligible indications—namely, adjuvant treatment of HER2-overexpressing breast cancer, metastatic breast cancer, and metastatic gastric cancer or...

breast cancer

Breast Cancer Surveillance Consortium Analysis of Trends in Breast Density Assessment

In a study reported in the Journal of the National Cancer Institute, Sprague et al found that only small changes in the proportions of women found to have dense breasts on digital mammography have occurred with revisions in Breast Imaging Reporting and Data System (BI-RADS) density classification...

breast cancer
gynecologic cancer
issues in oncology

BRCA Exchange: Resource Aggregates Data on BRCA Variants

A global resource that includes data on thousands of inherited variants in the BRCA1 and BRCA2 genes is available to the public. The BRCA Exchange was created through the BRCA Challenge, a long-term demonstration project initiated by the Global Alliance for Genomics and...

breast cancer

Neoadjuvant Degarelix vs Triptorelin in Premenopausal Women Receiving Letrozole for Locally Advanced, Endocrine-Responsive Breast Cancer

In a phase II trial reported in the Journal of Clinical Oncology, Dellapasqua et al found that neoadjuvant treatment with the gonadotropin-releasing hormone (GnRH) antagonist degarelix was more effective than the GnRH agonist triptorelin in achieving ovarian function suppression (OFS) in...

breast cancer

Study Assesses Impact of Digital Mammography on Breast Cancer Detection and Recall Rates

The shift from film to digital mammography increased the detection of breast cancer overall in the United Kingdom—without increasing the recall rate—according to a study published by Blanks et al in Radiology. “Image quality with digital mammography is improved over that of...

Breast Cancer

FDA Approves Trastuzumab-pkrb for HER2-Overexpressing Breast Cancer

On December 14, the U.S. Food and Drug Administration (FDA) approved trastuzumab-pkrb (Herzuma), a HER2/neu receptor antagonist biosimilar to trastuzumab (Herceptin), for the following indications: Adjuvant breast cancer of HER2-overexpressing, node-positive or node-negative (estrogen...

Breast Cancer

International Trials Present New Findings in Treatment of Breast Cancer

The European Society for Medical Oncology (ESMO) 2018 Congress featured an assortment of study findings, many with far-reaching clinical implications for the treatment of patients with various cancers. Many of these trials were covered in-depth in recent issues of The ASCO Post. Here, we present...

Breast Cancer
Supportive Care

Has Scalp Cooling Reached the Level of Standard of Care?

Does evidence of the effectiveness and safety of scalp cooling to reduce hair loss among women being treated for breast cancer mean that scalp cooling is a new standard of care? “I would suggest that it is,” stated Mikel Ross, MSN, RN, AGNP-BC, of the Breast Medicine Service, Memorial Sloan...

breast cancer

Adjuvant Trastuzumab Emtansine vs Trastuzumab in Patients With HER2-Positive Breast Cancer With Residual Disease After Neoadjuvant Therapy

As reported at the recent San Antonio Breast Cancer Symposium and in The New England Journal of Medicine by von Minckwitz et al, an interim analysis of the phase III KATHERINE trial has shown that adjuvant trastuzumab emtansine (T-DM1; Kadcyla) improved invasive disease–free survival vs...

Breast Cancer

AI Technology for Digital Breast Tomosynthesis Receives FDA Clearance for Clinical Use

A deep-learning, cancer detection software built on artificial intelligence (AI) called ProFound AI received clearance by the U.S. Food and Drug Administration (FDA) for commercial sales and clinical use in the United States. The announcement was made in a news release from iCAD, Inc., a global...

breast cancer

Disease-Free Survival With Letrozole vs Placebo After Aromatase Inhibitor–Based Therapy in Postmenopausal Breast Cancer

As reported by Mamounas et al in The Lancet Oncology, the phase III NRG Oncology/NSABP B-42 trial has shown no disease-free survival benefit with 5 years of letrozole (Femara) vs placebo after 5 years of aromatase inhibitor–based therapy in women with hormone receptor–positive...

breast cancer
issues in oncology

Increased Risk for Breast Cancer After Childbirth May Last More Than 2 Decades

Although parity—time since most recent birth— is recognized as a protective factor against breast cancer, an analysis of data from 15 prospective cohort studies to assess breast cancer risk in relation to recent childbirth has found that compared to women of the same age who had never...

Breast Cancer

Association Between Pathologic Complete Response After Neoadjuvant Chemotherapy and Breast Cancer Outcomes

A large comprehensive patient-level meta-analysis showed that achieving pathologic complete response after neoadjuvant chemotherapy correlates with significantly improved event-free survival and overall survival in patients with localized breast cancer. These findings were particularly robust in...

Breast Cancer

KATHERINE Trial: Adjuvant T-DM1 Reduces Invasive Disease Risk by 50% vs Trastuzumab in HER2-Positive Early Breast Cancer

In patients with HER2-positive early breast cancer and residual disease after neoadjuvant chemotherapy, adjuvant treatment with trastuzumab emtansine (T-DM1; Kadcyla) reduced the risk of invasive disease by 50% over trastuzumab (Herceptin).1 The phase III KATHERINE study was presented at the 2018...

breast cancer

Addition of Neoadjuvant Palbociclib to Letrozole in Estrogen Receptor–Positive Early Breast Cancer

In the phase II PALLET trial reported in the Journal of Clinical Oncology, Johnston et al found that the addition of neoadjuvant palbociclib (Ibrance) to letrozole increased rates of complete cell-cycle arrest, reduced apoptosis, and did not significantly improve clinical response rate in patients...

breast cancer

FDA Approves Trastuzumab-pkrb for HER2-Overexpressing Breast Cancer

On December 14, the U.S. Food and Drug Administration (FDA) approved trastuzumab-pkrb (Herzuma), a HER2/neu receptor antagonist biosimilar to trastuzumab (Herceptin), for the following indications: Adjuvant breast cancer of HER2 overexpressing node-positive or node-negative (estrogen...

breast cancer

Palbociclib Plus Fulvestrant in Advanced Breast Cancer: Overall Survival Analysis of PALOMA-3

An overall survival analysis of the PALOMA-3 trial reported by Turner et al in The New England Journal of Medicine found that the addition of the cyclin-dependent kinase 4/6 (CDK4/6) inhibitor palbociclib (Ibrance) to fulvestrant (Faslodex) improved survival among patients with hormone...

breast cancer

RSNA 2018: Mammography Screening Beyond Age 75

Women aged 75 years and older may benefit from continued screening mammograms because of the comparatively high incidence of breast cancer found in this age group, according to a study presented at the Annual Meeting of the Radiological Society of North America (RSNA) (Abstract SSA01-04)....

breast cancer

RSNA 2018: Breast Cancer Risk-Based Mammography Screening in Younger Women

A new, large-scale study of more than 5 million mammograms found that annual mammography screening beginning at age 30 may benefit women with at least 1 of 3 specific risk factors: dense breasts, a personal history of breast cancer, or a family history of breast cancer. The study was presented at...

breast cancer

RSNA 2018: Preliminary Results of Primary Cryoablation in Treating Low-Risk Breast Cancers

Cryoablation has shown early indications of effectiveness in treating women with low-risk breast cancers, according to research presented at the Annual Meeting of the Radiological Society of North America (RSNA) (Abstract SSM01-01). “If the positive preliminary findings are maintained as the ...

breast cancer

Hope S. Rugo, MD, on Metastatic Breast Cancer: Treatment for Pretreated Hormone Receptor–Positive Disease

Hope S. Rugo, MD, of the University of California, San Francisco, discusses how treatment with a lower dose of palbociclib (100 mg vs 125 mg) in combination with fulvestrant or tamoxifen is associated with a lower rate of high-grade neutropenia (Abstract PD2-12).

breast cancer
survivorship

POEMS/SWOG Intergroup S0230 Study on Preventing Early Menopause

In the long-term follow-up of the Prevention of Early Menopause Study (POEMS)/SWOG Intergroup S0230 trial reported in the Journal of the National Cancer Institute, Moore et al found that the addition of goserelin (Zoladex) to cyclophosphamide-containing chemotherapy was associated with a higher...

breast cancer
solid tumors
leukemia
lung cancer
lymphoma
multiple myeloma
issues in oncology
immunotherapy

FDA Pipeline: New Priority Reviews, Designations, and Clearances, Plus Statements on Genetic Testing and Class Labeling

The U.S. Food and Drug Administration (FDA) recently issued the following new approvals and designations: Priority Review for Atezolizumab in Combination With Chemotherapy for the Initial Treatment of Extensive-Stage SCLC The FDA accepted a supplemental biologics license application...

Breast Cancer

Management of HER2-Positive Breast Cancer: Business as Usual?

MANAGEMENT OF HER2-positive breast cancer changed after the introduction of trastuzumab (Herceptin), the first anti-HER2 therapy to be approved by the U.S. Food and Drug Administration (FDA) for this type of cancer. Recent studies have more clearly defined the role of pertuzumab (Perjeta) and...

Breast Cancer

Expert Point of View: Rebecca Dent, MD, and Suzette Delaloge, MD, MSc

FORMAL DISCUSSANT of the ACE trial, Rebecca Dent, MD, of the National Cancer Center in Singapore, commented that the phase II ENCORE 301 study provided proof of concept that a histone deacetylase (HDAC) inhibitor can reprogram epigenetic changes.1 In that randomized, double-blind,...

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