Update Sustains Osimertinib Activity Against CNS Mets in NSCLC

Excerpt:

“New results again demonstrated the benefit of frontline osimertinib (Tagrisso) in patients with EGFR-positive advanced non–small cell lung cancer (NSCLC) and CNS metastases at baseline, according to data presented at the 2017 ESMO Asia Congress.

“The subgroup analysis from the phase III FLAURA trial included 128 patients with at least 1 measurable and/or nonmeasurable CNS lesion at baseline. Among 61 patients who received osimertinib, the CNS objective response rate (ORR) was 66%, compared to 43% (odds ratio, 2.5; 95% CI 1.2-5.2; P = .011) in 67 patients who received standard EGFR TKI therapy with erlotinib (Tarceva) or gefitinib (Iressa).”

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Alectinib: ALEX and ALUR trials show CNS benefit in NSCLC

Excerpt:

“Data from two separate phase 3 studies to be presented at the ESMO 2017 Congress in Madrid, show alectinib’s particular central nervous system (CNS) activity in patients with advanced non-small cell lung cancer involving a mutation of the anaplastic lymphoma kinase gene (ALK-positive NSCLC).

Findings from the ALUR trial (1), as well as a secondary analysis of the ALEX trial (2) show alectinib can significantly decrease CNS progression of NSCLC, both in the first-line as well as the second-line treatment setting.

” ‘Patients with NSCLC have a high risk of CNS and brain metastases,’ commented Prof. Fiona Blackhall, from the University of Manchester and The Christie Hospital, UK.”

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Expert Discusses Abemaciclib Potential in HR+/HER2- Breast Cancer Patients With Brain Mets

Excerpt:

“Abemaciclib penetrated brain metastases and had antitumor activity in patients with hormone receptor (HR)-positive, HER2-negative metastatic breast cancer, preliminary evidence suggests.

“Results were presented in a poster at the 2017 ASCO Annual Meeting for 23 patients from a stage 1 efficacy analysis from a phase II study.

” ‘What we found were 2 patients who experienced partial responses within the CNS, suggesting there is activity of the agent in the brain and in patients who have HR-positive disease,’ explained lead author Sara M. Tolaney, MD, MPH.”

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Tagrisso Shows Benefit in NSCLC Patients With CNS Metastases

Excerpt:

“AstraZeneca has presented new data showing that Tagrisso also extends progression-free survival for non-small cell lung cancer (NSCLC) patients who have central nervous system (CNS) metastases.

“According to findings from the AURA3 trial, patients with locally advanced or metastatic epidermal growth factor receptor (EGFR) T790M mutation-positive NSCLC given the drug lived without disease worsening or death for 11.7 months compared to 5.6 months for those receiving chemotherapy.”

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Angiochem’s ANG1005 Shows Clinical Benefits and Prolonged Survival for Breast Cancer Patients With Brain Metastases

Excerpt:

“Angiochem, a biotechnology company developing peptide-drug conjugates uniquely capable of crossing the blood-brain barrier, recently presented data from its Phase II trial for its lead compound, ANG1005, at two highly regarded international cancer conferences: The European Society for Medical Oncology (ESMO) 2016 Congress and the European Association of Neuro-Oncology (EANO) 2016 Meeting.

“On Friday Oct 7th, 2016 at the ESMO Congress, Copenhagen, Denmark, Shou-Ching Tang, MD, PhD Leader, Breast Cancer Multidisciplinary Program, Augusta University, Augusta, GA, USA presented a podium presentation titled: ANG1005, a novel peptide-paclitaxel conjugate crosses the BBB and shows activity in patients with recurrent CNS metastasis from breast cancer, results from a phase II clinical study.”

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Ignyta Announces Updated Data from Entrectinib Phase 1 Clinical Trials at the 2016 AACR Annual Meeting

Excerpt:

“Ignyta, Inc. (RXDX),a precision oncology biotechnology company, today announced that updated results of its Phase 1 clinical trials of entrectinib, the company’s proprietary oral tyrosine kinase inhibitor targeting solid tumors harboring activating alterations to NTRK1, NTRK2, NTRK3, ROS1 or ALK, were presented in an oral plenary session at the 2016 Annual Meeting of the American Association for Cancer Research (AACR) in New Orleans, Louisiana.

“ ‘We continue to be excited by entrectinib’s ability to help patients with advanced cancer,’ said Jonathan Lim, M.D., Chairman and CEO of Ignyta. ‘With respect to efficacy, in the 25 patients in the Phase 1 trials who would meet the eligibility criteria for our Phase 2 clinical trial, we saw tumor regression in 20 patients, or 80%. Nineteen out of 24 patients with extracranial solid tumors had a confirmed RECIST response, representing a 79% overall response rate; and one patient with an astrocytoma had evidence of substantial tumor regression by volumetric measurement. These responses were observed in patients with each of NTRK, ROS1 and ALK rearrangements, and across six tumor histologies, including complete and/or durable responses in both primary and metastatic tumors of the central nervous system.’ ”

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ARIAD Presents Updated Phase 1/2 Clinical Data on Brigatinib in Patients with ALK+ Non-Small Cell Lung Cancer

Excerpt:

ARIAD Pharmaceuticals, Inc. (NASDAQ: ARIA) today announced updated clinical data on its investigational tyrosine kinase inhibitor, brigatinib, in patients with advanced malignancies, including anaplastic lymphoma kinase positive (ALK+) non-small cell lung cancer (NSCLC), from an ongoing Phase 1/2 trial. This report includes updated data on the brigatinib safety profile and pharmacokinetics (PK) from all patients treated in the trial, with a focus on brigatinib clinical activity in patients with ALK+ NSCLC, including those with intracranial CNS metastases at study entry. The report also details overall survival outcomes of patients in the study.”

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Alectinib Shows Response in Crizotinib-Refractory NSCLC

“The ALK inhibitor alectinib was highly active and well-tolerated in patients with ALK-rearranged, crizotinib-refractory, advanced non–small-cell lung cancer (NSCLC), according to results of a phase II trial.

“In this trial, 138 patients with crizotinib-refractory ALK-positive NSCLC were treated with alectinib; 122 of these patients were evaluable for response, and 61% had central nervous system (CNS) metastases at baseline. The results were published in the Journal of Clinical Oncology.

“ ‘Almost all patients invariably experience progression on crizotinib, and approximately 40% of the patients with ALK-rearranged NSCLC develop CNS metastases as an initial site of progression,’ wrote study authors led by Sai-Hong Ignatius Ou, MD, PhD, of the Chao Family Comprehensive Cancer Center, University of California Irvine School of Medicine in Orange, California. Alectinib is approximately five times as potent an ALK inhibitor as crizotinib, and can inhibit most of the acquired ALK resistance mutations to crizotinib.”


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.’ “