Lorlatinib Highly Effective for Relapsed ALK or ROS1 Rearranged NSCLC


“While several targeted therapies have emerged in recent years for treatment of non-small cell lung cancer (NSCLC) carrying the anaplastic lymphoma kinase (ALK) gene fusion, development of resistance to ALK inhibitors is an increasing problem. Furthermore, only one tyrosine kinase inhibitor (TKI), crizotinib, is currently approved for patients with ROS proto-oncogene 1 (ROS1) rearrangements. Lorlatinib, a novel, highly selective ALK and ROS1 targeting third-generation TKI has shown preclinical activity against known ALK resistance mutations and can penetrate the central nervous system (CNS), a common site of metastasis in ALK-positive or ROS1-positive NSCLC.”

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