- Prior to registration, patients must have achieved clinical benefit with crizotinib monotherapy and subsequently have systemically progressed; clinical benefit is defined as having stable disease on crizotinib monotherapy for at least 90 days or achieving a confirmed partial or complete response; systemic progression is defined as progressive disease based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1, excluding progression based on brain/CNS metastases alone