Conference Correspondent

The phase 1b trial of the insulin-like growth factor ligand-neutralizing antibody xentuzumab and the CDK4/6 inhibitor abemaciclib, plus endocrine therapy, is designed to evaluate safety, tolerability, and preliminary efficacy in patients with locally advanced or metastatic hormone receptor (HR)-positive/HER2-negative breast cancer. Read More ›

CDK4/6 Inhibitors in HER2+ Metastatic Breast Cancer

By Matthew P. Goetz, MD

Breast Cancer, Video, SABCS

Dr Matthew Goetz addresses the prospect of utilizing CDK4/6 inhibitors to treat patients with HER2+ metastatic breast cancer, stating early data indicate that CDK4/6 inhibitors may have some antitumor activity in HER2+ breast cancer. Read More ›

CDK4/6 Inhibitors vs Chemotherapy for Patients with Metastatic Breast Cancer

By Hope S. Rugo, MD

Breast Cancer, Video, SABCS

Conference Correspondent

Despite international guidelines and data that show CDK4/6 inhibitors plus aromatase inhibitors can improve overall response rates, overall survival, and progression-free survival in patients with metastatic breast cancer, there is a lasting belief among patients that chemotherapy is the preferable course of treatment. Dr. Hope Rugo attempts to dispel this misconception, citing that endocrine therapy and CDK4/6 inhibitors are well tolerated and don’t have the intensive side effects associated with chemotherapy. Read More ›

Everolimus/Exemestane versus Palbociclib/Fulvestrant, Abemaciclib/Fulvestrant, or Everolimus/Fulvestrant in Treating MBC

SABCS

Conference Correspondent

A comparison of the relative efficacy of combination hormone therapies in hormone receptor‒ positive/HER2-negative metastatic breast cancer (MBC) suggests that everolimus/exemestane may be the most effective treatment option available. Read More ›

Combined Inhibition of mTOR and CDK4/6 Is Required for Optimal Blockade of E2F Function and Long-Term Growth Inhibition in ER-Positive Breast Cancer

SABCS

Conference Correspondent

Triplet therapy consisting of an mTOR inhibitor, a CDK4/6 inhibitor, and an estrogen receptor (ER) antagonist such as fulvestrant may be optimal in treating hormone receptor–positive metastatic breast cancer, especially in the setting of CDK4/6-resistant tumors. Read More ›

Radius Investigational Drug Elacestrant (RAD1901) Continues to Show Promise in Advanced ER+ / HER2- Breast Cancer at the 2017 San Antonio Breast Cancer Symposium

SABCS

Conference Correspondent

Radius Health, Inc. (Nasdaq:RDUS) today provided an update on data from the Phase 1 005 clinical study of elacestrant (RAD1901), an oral selective estrogen receptor degrader (SERD), in patients with estrogen receptor positive (ER+) breast cancer. The data were presented at a Spotlight Presentation (Abstract 1410) during the 2017 San Antonio Breast Cancer Symposium (SABCS). Elacestrant recently received Fast Track designation from the U.S. Food and Drug Administration. Read More ›

Final Results of NeoMONARCH: A Phase 2 Neoadjuvant Study of Abemaciclib in Postmenopausal Women with HR-Positive, HER2-Negative Breast Cancer

SABCS

Conference Correspondent

The combination of abemaciclib plus anastrozole is superior to anastrozole alone in reducing Ki67 across a spectrum of subgroups of patients with hormone receptor (HR)-positive, HER2-negative breast cancer. Read More ›

Advantageous Polypharmacology of Abemaciclib Revealed by Omics Profiling of CDK4/6 Inhibitors

SABCS

Conference Correspondent

Abemaciclib, but not ribociclib or palbociclib, exhibits inhibition of CDK4/6 plus kinases other than CDK4/6, and induces cell death rather than cytostasis, which may be therapeutically advantageous in patients with hormone receptor‒positive breast cancer that is generally resistant to CDK4/6 inhibitors. Read More ›

ER-Positive Breast Cancers Resistant to Prolonged Neoadjuvant Letrozole Exhibit an E2F4 Transcriptional Program Sensitive to CDK4/6 Inhibitors

SABCS

Conference Correspondent

Researchers have identified a CDK4/6 inhibitor–sensitive E2F4 gene expression signature in estrogen receptor (ER)-positive breast cancers resistant to aromatase inhibitors that can potentially identify patients with ER-positive breast cancer who are candidates for adjuvant therapy with CDK4/6 inhibitors in combination with antiestrogens. Read More ›

Abemaciclib, Ribociclib, or Palbociclib for HR+ Metastatic Breast Cancer?

By Matthew P. Goetz, MD

Breast Cancer, Video, SABCS

Conference Correspondent

Dr Matthew Goetz reviews what differentiates abemaciclib, the latest CDK4/6 inhibitor FDA-approved for HR+ metastatic breast cancer, from ribociclib and palbociclib. Read More ›

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