A Phase IV, Multicenter, Non-randomized, Open-labeled Study to Evaluate the Efficacy of Gefitinib (IRESSA®) as a Second-line Therapy in NSCLC Patients
Interventional
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Objective Response Rate(ORR)
Primary efficacy endpoint is a change in the proportion of subjects showing overall objective response rate(ORR) from baseline to final tumor assessment point after treatment. As per RECIST, the percentage of subjects indicating PR (partial response) or CR (complete response) will be calculated. According RECIST criteria, CR(complete response) - the disappearance of all target lesions and 'PR(partial response) - at least a 30% decrease in the sum of the longest diameter of target lesions, taking as reference the baseline sum of longest diameter.
Every 8 weeks until progression disease or death or Data Cut off date (2 January 2009)
No
South Korea: Institutional Review Board
D7913L00067
NCT00608868
January 2007
January 2009
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