Friday, March 15, 2013

Novartis compound LDK378 receives FDA Breakthrough Therapy designation for ALK+ non-small cell lung cancer

  • LDK378 is an investigational selective inhibitor of ALK, a target found in a variety of cancers including metastatic non-small cell lung cancer (NSCLC)
     
  • Breakthrough Therapy designation is based on positive early data in patients with ALK+ NSCLC who have been previously treated with crizotinib
     
  • First filing for LDK378 anticipated in early 2014


Novartis announced today that its investigational compound LDK378 has received Breakthrough Therapy designation by the US Food and Drug Administration (FDA) for the treatment of patients with anaplastic lymphoma kinase positive (ALK+) metastatic non-small cell lung cancer (NSCLC) who had progressed during treatment with, or were intolerant to, crizotinib. 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[2].

According to the FDA, Breakthrough Therapy designation is intended to expedite the development and review of drugs that treat serious or life-threatening conditions if the therapy has demonstrated substantial improvement over an available therapy on at least one clinically significant endpoint. The designation includes all of the fast track program features, as well as more intensive FDA guidance. The Breakthrough Therapy designation is a distinct status from both accelerated approval and priority review, which can also be granted to the same drug if relevant criteria are met[3].

"LDK378 is a strong example of our research approach, which focuses on identifying the underlying cause of disease pathways," said Alessandro Riva, Global Head, Oncology Development & Medical Affairs, Novartis Oncology. "This Breakthrough Therapy designation will allow us to collaborate more closely with the FDA and potentially to expedite the availability of an important new treatment option for patients with ALK+ NSCLC."

Initial results from a Phase I study investigating the maximum tolerated dose, safety, pharmacokinetics and antitumor activity of LDK378 in 88 patients with ALK+ advanced malignancies, as detected by an FDA-approved test and who had progressed during treatment with, or were intolerant to, crizotinib, were presented at the European Society of Medical Oncology 2012 annual congress. The data showed marked responses in a majority of patients with ALK+ NSCLC. A response rate (including complete response [CR], partial response [PR] and unconfirmed PR) of 80% was observed in the patients who had experienced disease progression after crizotinib treatment.

Novartis has initiated two Phase II clinical trials to further evaluate the compound in this patient population with plans to initiate several Phase III clinical trials later this year. First regulatory filing is anticipated by early 2014.

About LDK378
LDK378 is a highly selective inhibitor of an important cancer target, anaplastic lymphoma kinase (ALK)[1],[4]. Because it is an investigational compound, the safety and efficacy profile of LDK378 has not yet been established. Access to this investigational compound is available only through carefully controlled and monitored clinical trials. These trials are designed to better understand the potential benefits and risks of this compound. Because of the uncertainty of clinical trials, there is no guarantee that LDK378 will ever be commercially available anywhere in the world.

About NSCLC
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer accounting for 85-90% of all cases[5]. Approximately 3-8% of patients with NSCLC have the ALK gene mutation[1]. 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.[2]
 









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