FDA Grants Priority Review to Afatinib for NSCLC With Rare EGFR Mutations

Excerpt:

“The FDA has granted a priority review to a supplemental new drug application (sNDA) for afatinib (Gilotrif) for the frontline treatment of patients with metastatic non–small cell lung cancer (NSCLC) whose tumors harbor EGFR exon 21 (L861Q), G719X, or S768I substitution mutations.

“Uncommon mutations such as these represent less than 10% of the EGFR mutations found in NSCLC patients, but are associated with poor prognosis and survival, Boehringer Ingelheim, the manufacturer of afatinib, noted in a press release.”

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Osimertinib Improves Progression-Free Survival in Patients With EGFR Mutated Lung Cancer

Excerpt:

“Osimertinib improves progression-free survival by 54% compared to standard first line therapy in patients with EGFR mutated non-small-cell lung cancer (NSCLC), according to late-breaking results from the FLAURA trial presented today at the ESMO 2017 Congress in Madrid.

“EGFR  are present in around 15% of NSCLC in Western populations, rising to 35% in Asian populations. EGFR inhibitors are superior to chemotherapy in the first line treatment of these patients. However, despite high response rates and good progression-free survival, patients invariably develop  to drugs such as erlotinib and gefitinib. In the majority of patients this resistance is mediated by a T790M mutation.”

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EGFR-mutant NSCLC: Choice of First-Line Treatment May Get More Complicated


Medical guidelines for treatment of newly diagnosed non-small cell lung cancer (NSCLC) mandate upfront testing of tumor tissue for mutations in the EGFR gene (as well as ALK and ROS gene translocation). EGFR mutations are found in 10 to 15% of white patients, but in patients of East Asian origin such mutations are in encountered in approximately 48%. However, with new data and drugs entering the playing field, newly diagnosed patients’ treatment decisions could become more complex.

There is a good reason to test for EGFR mutations: the accumulated data show that, compared to first-line chemotherapy, treatment with drugs that inhibit the activity of EGFR in patients with activating EGFR mutations improves patients’ median progression-free survival (PFS) time from 4.6 to 6.9 months to 9.6 to 13.1 months, and has a higher objective response rate (ORR). Moreover, EGFR inhibitors are associated with a significantly lower incidence of adverse effects and better control of disease symptoms. Continue reading…


Guideline on Stage IV Non-Small-Cell Lung Cancer Therapy Updated

Excerpt:

“An update of the American Society of Clinical Oncology (ASCO) clinical practice guideline clarifies the role of immunotherapy in the treatment of patients with advanced non-small-cell lung cancer (NSCLC). The update also provides new recommendations on the use of targeted therapies for patients with changes in tumor EGFRALK, and ROS1 genes.

” ‘Treatment for lung cancer has become increasingly more complex over the last several years. This guideline update provides oncologists the tools to choose therapies that are most likely to benefit their patients,’ said Nasser Hanna, MD, co-chair of the Expert Panel that developed the guideline update.”

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FDA Grants Orphan Drug Designation to Tesevatinib for EGFR-Mutated Non-Small Cell Lung Cancer

Excerpt:

“The FDA granted orphan drug designation to tesevatinib for the treatment of EGFR-positive non-small cell lung cancer, according to the drug’s manufacturer.

“An ongoing phase 2 clinical trial will evaluate tesevatinib (Kadmon Holdings) — an oral tyrosine kinase inhibitor — for the treatment of patients with EGFR-positive NSCLC that metastasized to the brain or the leptomeninges. The trial also will evaluate the agent for the treatment of glioblastoma.”

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Tagrisso Significantly Improves Progression-Free Survival in the Phase III FLAURA Trial for Lung Cancer

Excerpt:

“AstraZeneca today announced that the Phase III FLAURA trial showed a statistically-significant and clinically-meaningful progression-free survival (PFS) benefit with Tagrisso (osimertinib) compared to current 1st-line standard-of-care treatment (erlotinib or gefitinib) in previously-untreated patients with locally-advanced or metastatic epidermal growth factor receptor mutation-positive (EGFRm) non-small cell lung cancer (NSCLC).

“Sean Bohen, Executive Vice President, Global Medicines Development and Chief Medical Officer at AstraZeneca, said: ‘The strong results from the FLAURA trial are very exciting news for patients with EGFR mutation-positive non-small cell lung cancer, providing physicians with a potential new first-line treatment option to improve outcomes in this disease. We will now initiate discussions with global health authorities on the data and regulatory submissions.’ ”

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Adjuvant Gefitinib Delays Recurrence in EGFR-Positive NSCLC

Excerpt:

“Adjuvant therapy with gefitinib (Iressa), an epidermal growth factor receptor (EGFR)-targeted agent, was more successful at preventing recurrence than standard-of-care chemotherapy, in a phase III study of patients with EGFR-positive non–small cell lung cancer (NSCLC). Gefitinib extended recurrence-free survival by about 10 months in patients with stage II–IIIA NSCLC. These findings were presented at the 2017 ASCO Annual Meeting.”

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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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Targeted Therapy Can Delay Recurrence of Intermediate-Stage Lung Cancer

Excerpt:

“The targeted therapy gefitinib appears more effective in preventing recurrence after lung cancer surgery than the standard of care, chemotherapy. In a phase III clinical trial, patients with epidermal growth factor receptor (EGFR)-positive, stage II-IIIA non-small cell lung cancer (NSCLC) who received gefitinib went about 10 months longer without recurrence than patients who received chemotherapy. The study will be presented at the upcoming 2017 ASCO Annual Meeting in Chicago.

” ‘Adjuvant gefitinib may ultimately be considered as an important option for stage II-IIIA lung cancer patients with an active EGFR mutation, and we may consider routine EGFR testing in this earlier stage of lung cancer,’ said lead study author Yi-Long Wu, MD, a director of the Guangdong Lung Cancer Institute, Guangdong General Hospital, Guangzhou, China. ‘We intend to follow these patients until we can fully measure overall survival as opposed to disease-free survival, which just measures disease recurrence.’ ”

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