Promising signs for Novartis’ lung cancer drug
pharmafile | June 4, 2013 | News story | Sales and Marketing | ALK+, ASCO, LDK378, NSCLC, Novartis
Targeted lung cancer treatment LDK378 has been shown to help patients with the ALK+ gene mutation in a phase I trial.
Novartis’ drug is following Pfizer’s own ALK+ targetting treatment Xalkori (crizotinib), which was launched in 2011, and was the first to help these patients with non-small cell lung cancer (NSCLC).
Only 3-8% of patients with NSCLC have the ALK gene mutation. There are limited treatment options for patients with ALK+ NSCLC, who tend to be non-smokers and younger than NSCLC patients without an ALK translocation.
The new Novartis study looked was of 78 patients with anaplastic lymphoma kinase positive (ALK+) metastatic non-small cell lung cancer (NSCLC) who had progressed during or after crizotinib therapy or had not been previously treated with crizotinib.
The results showed an overall response rate (including complete response [CR] and partial response [PR]) of 60% in patients with ALK+ NSCLC taking LDK378 (750 mg/day), which includes patients who had progressed during or after crizotinib therapy (overall response rate of 59%) and those who were crizotinib-naïve (overall response rate of 62%)[1]. In addition to the 78 patients treated at 750 mg/day, an additional 36 patients were treated with LDK378 at 400-750 mg/day. The study is continuing to enrol patients and evaluations are ongoing. This pivotal trial will serve as the basis for the first regulatory filing, anticipated in early 2014.
“These results confirm that LDK378 has activity in patients with ALK+ NSCLC, including those who have progressed on crizotinib, as well as those who haven’t taken crizotinib,” said lead investigator Alice T. Shaw, MD, PhD, Massachusetts General Hospital Cancer Center, Boston. “LDK378 may become another standard targeted therapy for these ALK-positive patients.”
In March, LDK378 received Breakthrough Therapy designation from the FDA. The designation is intended to expedite the development and review of drugs that treat life-threatening conditions and show improvement over available therapies.
“LDK378 is representative of the Novartis targeted research approach to identify key disease pathways and those specific patients affected by the disease,” said Hervé Hoppenot, President, Novartis Oncology. “Based on these data showing the potential of LDK378, we are developing a robust clinical program to move it forward as quickly as possible.”
Currently, two Phase II clinical trials are actively recruiting patients worldwide. One study, highlighted as a Trials in Progress poster at ASCO, focuses on patients with ALK+ NSCLC who were previously treated with chemotherapy and crizotinib. The second study examines LDK378 in patients who are crizotinib-naïve. In addition, Phase III clinical trials are planned to begin in the coming months, aiming to enroll more than 1,100 patients with ALK+ NSCLC at sites worldwide.
Andrew McConaghie
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