The Case for Bone-Directed Adjuvant Therapy in Postmenopausal Early Breast Cancer

Excerpt:

“A duration of endocrine therapy beyond 5 years has gained traction in the treatment of endocrine receptor (ER)-positive early-stage breast cancer. Long-term use of aromatase inhibitors (AIs), however, may increase the risk of bone loss and bone fracture. Data suggest that the use of bone-targeted agents can substantially reduce the risk of osteoporotic complications associated with AI use, and even reduce the risk of bone recurrence in postmenopausal women with early-stage breast cancer.”

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Age-Specific Overall Risk of Breast, Ovarian Cancer Among Women With BRCA1/2 Genetic Mutations

Excerpt:

“Researchers conducted an analysis that included nearly 10,000 women with the BRCA1 or BRCA2 genetic mutations to estimate the age-specific risk of breast or ovarian cancer for women with these mutations, according to a study published by JAMA.

“The optimal clinical management of women with BRCA1 and BRCA2 mutations depends on accurate age specific cancer risk estimates. These can be used to estimate the absolute risk reduction from preventive strategies and to inform decisions about the age at which to begin cancer screening. Antonis C. Antoniou, Ph.D., of the University of Cambridge, England, and colleagues included 6,036 BRCA1 and 3,820 BRCA2 female carriers (5,046 unaffected and 4,810 with breast or ovarian cancer or both at study entry) in the analysis.”

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FDA Grants Orphan Drug Designation to Tucatinib for Brain Metastases

Excerpt:

“The FDA granted orphan drug designation to tucatinib for the treatment of patients with breast cancer whose disease metastasized to the brain, according to the drug’s manufacturer.

“Tucatinib (ONT-380, Cascadian Therapeutics) is an investigational, orally bioavailable, potent tyrosine kinase inhibitor that is highly selective for HER-2 without significant inhibition of EGFR, which has been associated with significant toxicities.”

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Dual HER2 Blockade Superior to Single Blockade for HER2+/HR+ Breast Cancer

Excerpt:

“Dual blockade of HER2 with lapatinib plus trastuzumab and an aromatase inhibitor (AI) was superior to single blockade with trastuzumab plus an AI in postmenopausal women with HER2-positive, hormone receptor (HR)-positive metastatic breast cancer, according to the results of the phase III ALTERNATIVE study (abstract 1004) presented at the 2017 American Society of Clinical Oncology (ASCO) Annual Meeting, held June 2–6 in Chicago.

” ‘Dual HER2 blockade with this triplet of lapatinib/trastuzumab and an AI can offer an effective and well-tolerated chemotherapy-sparing option for patients who are not intended or appropriate for chemotherapy,’ said researcher William J. Gradishar, MD, of the Robert H. Lurie Comprehensive Cancer Center at Northwestern University in Chicago, who presented the results.”

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Oral SERD Promising in ER-Positive Breast Cancer With ESR1 Mutations

Excerpt:

“The investigational third-generation nonsteroidal oral selective estrogen receptor degrader (SERD) RAD1901 was associated with a 23% objective response rate among 40 heavily pretreated women with estrogen receptor (ER)-positive, HER2-negative breast cancer, according to authors of a phase I dose-escalation and safety cohort study (NCT02338349) presented (abstract 1014) at the 2017 American Society of Clinical Oncology (ASCO) Annual Meeting, held June 2–6 in Chicago.”

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Pfizer Presents Final Phase 2 Data on Investigational PARP Inhibitor Talazoparib in Patients with Germline BRCA-Positive Advanced Breast Cancer

Excerpt:

“Pfizer Inc. (NYSE:PFE) today announced Phase 2 data showing that its investigational, dual-mechanism poly ADP ribose polymerase (PARP) inhibitor, talazoparib, demonstrated anti-tumor activity in patients with germline (inherited) BRCA1/2-positive (gBRCA+) advanced breast cancer. Results from the Phase 2 ABRAZO trial were presented during an oral session at the 53rd Annual Meeting of the American Society of Clinical Oncology (ASCO) in Chicago.”

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AstraZeneca’s Lynparza Slows Spread of Inherited Breast Cancer

Excerpt:

AstraZeneca Plc showed that its drug Lynparza slowed progression of a devastating, inherited form of breast cancer that typically strikes younger women, potentially opening up a new market for a pill originally approved to treat ovarian tumors.

“A study of 302 women, dubbed OlympiAD, found that those getting the drug were 42 percent less likely to see their cancer spread than those given conventional chemotherapy, according to results presented at the American Society of Clinical Oncology meeting in Chicago. Women taking Lynparza had their disease progress after about seven months, compared with 4.2 months of median progression-free survival for those on chemotherapy.”

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Lilly Builds Upon Body of Data for Abemaciclib with Phase 3 MONARCH 2 Data Demonstrating Superior Progression-Free Survival in Advanced Breast Cancer

Excerpt:

“Eli Lilly and Company (NYSE: LLY) today announced that results from the Phase 3 MONARCH 2 study showed that abemaciclib, a cyclin-dependent kinase (CDK)4 & 6 inhibitor, in combination with fulvestrant, significantly improved progression-free survival (PFS) compared to treatment with fulvestrant alone in women with hormone-receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-), advanced breast cancer who have relapsed or progressed after endocrine therapy (median PFS, 16.4 vs. 9.3 months, respectively, HR: 0.553; 95% CI: 0.449, 0.681, P < .0000001). The data were presented at the 2017 American Society of Clinical Oncology (ASCO) Annual Meeting (Abstract #1000) and simultaneously published online in the Journal of Clinical Oncology.”

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Drug Prolongs Survival for Some with Breast Cancer

Excerpt:

“A drug called Xeloda can extend the lives of some women whose breast cancer is not wiped out by standard treatment, a new clinical trial finds.

“Oncologists said the results are ‘practice-changing.’

” ‘This drug is already approved, and we’ve been using it for a long time in cancer treatment,’ said Dr. Stephen Malamud, an oncologist at Mount Sinai in New York City.

“Xeloda (capecitabine) is a pill, so it’s easy to take and is ‘much less toxic’ than standard chemotherapy, noted Malamud, who was not involved in the new research.”

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