FDA Grants Breakthrough Therapy Designation to DS-8201 for HER-2-Positive Breast Cancer

Excerpt:

“The FDA granted breakthrough therapy designation to DS-8201 for the treatment of HER-2-positive locally advanced or metastatic breast cancer that progressed after treatment with other HER-2-targeting agents.

“The agency based the designation on preliminary evidence from a phase 1 study designed to evaluate the safety, tolerability and efficacy of DS-8201 (Daiichi Sankyo), an investigational HER-2-targeting antibody-drug conjugate.”

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Dual HER2-Blockade Plus AI Shows Promise in HER2+/ER+ Breast Cancer

Excerpt:

“Data from the phase II PERTAIN trial presented late last year at the 2016 San Antonio Breast Cancer Symposium (SABCS) showed that adding an aromatase inhibitor (AI) to pertuzumab (Perjeta) and trastuzumab (Herceptin) extended progression-free survival (PFS) by over 3 months versus trastuzumab plus an AI in patients with HER2-positive, HR-positive locally advanced or metastatic breast cancer.

“The median PFS was 18.89 months with the pertuzumab triplet compared with 15.80 months for trastuzumab and an AI alone (HR, 0.65; 95% CI, 0.48-0.89; P = .007). The objective response rates were 63.3% versus 55.7%, respectively.”

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Fulvestrant Prolongs PFS for Women with Hormone Receptor– Positive Advanced Breast Cancer

Excerpt:

“Fulvestrant prolonged PFS compared with anastrozole among women with hormone receptor– positive locally advanced or metastatic breast cancer who have not received previous endocrine therapy, according to a phase 3, randomized, double blind trial published in The Lancet.

” ‘The primary endpoint of this phase 3 study was met, with patients receiving fulvestrant having a significantly longer PFS than patients receiving anastrozole,’ John F.R. Robertson, MD, a professor at University of Nottingham Medical School and Royal Derby Hospital Centre in Derby, United Kingdom, and colleagues wrote. ‘This represents a meaningful and relevant finding for which clinical data are limited.’ ”

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Gradalis®, Inc. Announces Dosing of First Patient in Pilot Study Combining Vigil® Engineered Autologous Tumor Cell Immunotherapy and Durvalumab in Advanced Breast Cancer

Excerpt:

“Gradalis®, Inc., a clinical-stage biopharmaceutical company, today announced that the first patient has been dosed in a pilot study combining Vigil® Engineered Autologous Tumor Cells (EATCs) with durvalumab in advanced breast cancer. This is an open-label, investigator-sponsored study supported partly by a grant from Gradalis, to evaluate the safety, tolerability, and efficacy of the combination of Vigil engineered autologous tumor cell immunotherapy and durvalumab (an investigational human monoclonal antibody directed against programmed death ligand-1 (PD-L1)) in patients with no PD-L1 expression and locally advanced or metastatic triple negative breast cancer (TNBC), that have progressed following two prior lines of therapy.”

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TDM-1 With Docetaxel/Pertuzumab Offers Benefit in Advanced HER2-Positive Breast Cancer

Excerpt:

“Combining trastuzumab emtansine with docetaxel both with and without pertuzumab yielded promising efficacy in a phase Ib/IIa study of patients with HER2-positive locally advanced (LABC) or metastatic breast cancer (MBC). Many patients, however, required dose reductions due to toxicity.

“Trastuzumab emtansine (T-DM1) is a drug-antibody conjugate, and has been shown to offer significant survival benefits in phase III trials of HER2-positive metastatic breast cancer. ‘In preclinical studies, T-DM1 exhibited enhanced antitumor activity when combined with docetaxel or pertuzumab,’ wrote study authors led by Miguel Martin, MD, PhD, of Hospital General Universitario Gregorio Marañón in Madrid.”

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Video: Dr. Saeed Rafii on the Phase Ib JAVELIN Trial Examining Avelumab in Breast Cancer

“Saeed Rafii, MD, PhD, MRCP, medical oncologist, medical director, Sarah Cannon Research Institute, London, discusses the phase Ib JAVELIN solid tumor trial. The trial looks at the anti-PD-L1 antibody avelumab (MSB0010718C) in patients with locally advanced or metastatic breast cancer. Rafii said the trial looked at 168 patients, regardless of the subtype of their breast cancer.

“Patients enrolled in the trial must have had 3 or fewer lines of chemotherapy prior to receieving avelumab. Rafii said of the patients, 10% experiences immune-related events. He also added that 8 patients had to stop due to treatment-related toxicities and that there were 2 mortalities. One of the 2 mortalities were from acute hepatic failure and another from respitority distress.”

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Video: Dr. Joanne Blum on the Function of Talazoparib in Locally Advanced and/or Metastatic Breast Cancer

“Joanne Blum, MD, PhD, breast medical oncologist, director, Hereditary Cancer Risk Program, Baylor Charles A. Sammons Cancer Center, discusses the function of the oral PARP inhibitor talazoparib (BMN 673) in BRCA mutation subjects with locally advanced and/or metastatic breast cancer. Blum says the BRCA mutation works in combination with talazoparib in order to better cut off the appropriate pathways for the tumors.

“Blum said during the phase I trial that looked at talazoparib, patients experienced grade 1 neutropenia, cytopenia and fatigue. Blum added that the toxicities were very mild.”

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Phase III BELLE-2 Trial Meets Primary Endpoint of Progression-free Survival

“Among women with locally advanced or metastatic hormone receptor-positive breast cancer that was resistant to hormone therapy, those who had mutated PIK3CA detected in their blood benefited from a combination of the investigational PI3K inhibitor buparlisib and fulvestrant, according to data from the phase III BELLE-2 trial presented at the 2015 San Antonio Breast Cancer Symposium, held Dec. 8–12.

“ ‘BELLE-2 is a randomized, phase III clinical trial designed to assess the efficacy of the investigational PI3K inhibitor buparlisib in combination with fulvestrant in breast cancer patients whose tumors no longer respond to aromatase inhibitors,’ said José Baselga, MD, PhD, physician-in-chief and chief medical officer at Memorial Sloan Kettering Cancer Center in New York.”


FDA Grants Alectinib Priority Review in NSCLC

“Alectinib has received an FDA priority review designation for patients with ALK-positive, locally advanced or metastatic non–small cell lung cancer (NSCLC) who have progressed or are intolerant to crizotinib (Xalkori), according to Genentech, the manufacturer of the oral second-generation ALK inhibitor. The FDA’s action date for an approval decision is March 4, 2016.

“The priority review is based on two phase II trials (NP286731and NP287612) which demonstrated that alectinib had robust activity in patients with ALK-positive NSCLC following progression on crizotinib (Xalkori), including individuals with CNS metastases.

“ ‘Alectinib was granted priority review by the FDA based on results from two studies showing the medicine shrank tumors in people with ALK-positive NSCLC that progressed on crizotinib,’ Sandra Horning, MD, chief medical officer and head of Global Product Development at Genentech, said in a statement. ‘There is a need for new treatment options in this patient population, especially because the disease often spreads to the brain at progression.’ “