Ribociclib Active Across Premenopausal Breast Cancer Subgroups

Excerpt:

“The progression-free survival (PFS) benefit for ribociclib (Kisqali) in pre- or perimenopausal women with hormone receptor–positive, HER2-negative advanced or metastatic breast cancer was sustained across patient subgroups, according to findings from the phase III MONALEESA-7 trial presented at the 2018 Miami Breast Cancer Conference.

“MONALEESA-7 randomized patients to either the CDK4/6 inhibitor ribociclib in combination with tamoxifen or a nonsteroidal aromatase inhibitor (NSAI; letrozole or anastrozole) plus goserelin (n = 335), or to endocrine treatment plus goserelin (n = 337). Across the overall study population, the median PFS was 23.8 months for the ribociclib arm compared with 13.0 months for the control arm (HR, 0.553; 95% CI, 0.441-0.694; P <.0001).”

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Earlier Indicator of Palbociclib Response Found for Patients with Breast Cancer

Excerpt:

“According to findings published in Nature Communications, a blood test detecting early changes in circulating tumor DNA (ctDNA) may provide earlier indication of whether patients with hormone receptor–positive, HER2-negative breast cancer are responding to the CDK4/6 inhibitor palbociclib (Ibrance).

“The test could detect a response within 2 to 3 seeks, said investigators with The Institute of Cancer Research, London, and The Royal Marsden NHS Foundation Trust. Women currently wait 2 to 3 months to find out if palbociclib treatment is working for them.”

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If you’re wondering whether this story applies to your own cancer case or a loved one’s, we invite you to use our ASK Cancer Commons service.


FDA Authorizes Direct-To-Consumer Genetic Test for Three BRCA Mutations

Excerpt:

“The FDA authorized marketing the direct-to-consumer Personal Genome Service Genetic Health Risk Report for three mutations of BRCA1 and BRCA2 most common among people of Eastern European Ashkenazi Jewish descent, according to a press release.

“The test — marketed by 23andMe — analyzes DNA using self-collected saliva samples to determine whether a woman is at increased risk for breast and ovarian cancer and whether a man is at increased risk for breast or prostate cancer.”

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Lilly Breast Cancer Treatment Lands Another Approval

Excerpt:

“The U.S. Food and Drug Administration has given another approval for a breast cancer treatment developed by Indianapolis-based Eli Lilly and Co. (NYSE: LLY). The announcement marks the third FDA approval for Verzenio in five months.

“The most recent ruling approves Verzenio, also known as abemaciclib, for use in combination with an aromatase inhibitor as an initial endocrine-based therapy for the treatment of postmenopausal women with advanced or metastatic breast cancer. Lilly says the approval follows the results of a successful Phase 3 clinical trial.”

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A New Regulatory Threat to Cancer Patients

Excerpt:

“The federal government is threatening to limit treatment options for doctors fighting cancer. A regulatory decision due Wednesday from the Centers for Medicare and Medicaid Services could undermine the care delivered to the more than 1.6 million Americans who are diagnosed with cancer each year.”

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JAMA Oncology Publication Demonstrates EndoPredict® (EPClin) Significantly Outperforms Oncotype DX® Recurrence Score in Early-Stage Breast Cancer

Excerpt:

“Myriad Genetics, Inc. (MYGN) today announced that a comparative analysis of commercially available prognostic breast cancer tests in patients with early-stage breast cancer has been published in JAMA Oncology.  A key finding is that Myriad’s EndoPredict® (EPClin) significantly outperformed Oncotype DX® Recurrence Score at predicting the risk of disease recurrence in patients with early-stage breast cancer.

“In the article, Sestak et al. compared the prognostic value that four different commercial tests add to the Clinical Treatment Score (nodal status, tumor size, grate, age, endocrine treatment) for predicting distant recurrence (0-10 years) and late-distant recurrence (5-10 years) of breast cancer.  The analysis included data from 774 postmenopausal women with ER+/HER2- breast cancer with node-negative disease or up to three positive lymph nodes, which is the most common form of breast cancer.”

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FAQs After Diagnosis: Early Stage Hormone-Positive Breast Cancer


This post is written by ASK Cancer Commons Scientist and Product Team Member Amanda Nottke, PhD. Dr. Nottke regularly provides guidance to patients through our ASK Cancer Commons service.

After a diagnosis of early stage, hormone-positive breast cancer, you may find yourself facing several daunting decisions, such as choosing between the extensive surgery of mastectomy versus a more minor lumpectomy procedure paired with radiation (with all its challenging side effects). And once surgery is complete, what next? Hormone therapy is clearly indicated for many women, but which drug, and how long to take it? And what about chemo—how to know if the tough side effects are worth the possible reduction in risk of recurrence?

Fortunately, there are a wealth of quality datasets available to inform these decisions. Below are some of the questions we get most frequently from patients using our ASK Cancer Commons service, answered according to the latest thinking from scientific literature and our expert physician network. If you are facing your own cancer treatment decisions and would like free one-one-one expert support, please submit your case here.

1. If my doctor has said either mastectomy or lumpectomy plus radiation are appropriate for me, how do I choose?

Many studies have looked at this, and overall the outcomes for mastectomy versus lumpectomy plus radiation are extremely similar (both are effective treatments, so you can instead weigh the side effects of radiation versus the more intensive surgery of the mastectomy). This webpage provides a helpful summary of the pros and cons of mastectomy compared to lumpectomy. Continue reading…


Alpelisib Active in PIK3CA-Altered Solid Tumors

Excerpt:

“Alpelisib (BYL719) induced a disease control rate (DCR) of 58.2% in patients with advanced solid tumors, according to results from a phase Ia study published in the Journal of Clinical Oncology.

“Treatment with the oral PIK3CA selective inhibitor led to a stable disease rate of 52.2%. Thirteen (9.7%) patients maintained stable disease for more than 24 weeks.

“Investigators reported ‘encouraging signs of antitumor activity’ in patients with PIK3CA-mutant, ER-positive/HER2-negative breast cancer, and other PIK3CA-altered advanced solid tumors.”

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Enzalutamide Shows Early Promise in AR-Positive TNBC

Excerpt:

“Enzalutamide (Xtandi) demonstrated early signs of efficacy in patients with androgen receptor (AR)-positive triple-negative breast cancer (TNBC), according to findings from the phase II MDV3100-11 study published in the Journal of Clinical Oncology.

“A total of 118 patients were enrolled in the single-arm, 2-stage trial, and 78 were evaluable for response. At 16 weeks, the clinical benefit rate (CBR) was 25% (95% CI, 17-33) in the intent-to-treat (ITT) population and 33% (95% CI, 23-45) in the evaluable subgroup. The median progression-free survival (PFS) was 2.9 months (95% CI, 1.9-3.7) in the ITT population and 3.3 months (95% CI, 1.9-4.1) in the evaluable subgroup. Median overall survival (OS) was 12.7 months (95% CI, 8.5 – not yet reached) in the ITT population and 17.6 months (95% CI, 11.6 – not yet reached) in the evaluable subgroup.”

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If you’re wondering whether this story applies to your own cancer case or a loved one’s, we invite you to use our ASK Cancer Commons service.