{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"8.1","upperLimit":"13.7","value":"10.2"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"129"}],"units":"Participants"}],"description":"Progression-free survival (PFS) as per independent review was defined as the duration of time from the start of treatment until the day of objective tumor progression was confirmed by tumor imaging (Progressive Disease according to RECIST 1.0) or death, whichever came first. Patients with unknown progression status or unknown date of progression were reviewed on a case-by-case basis. Patients known to be alive without progression at the end of the trial or the last follow-up visit were censored at the date of the last imaging when the patient was known to be alive and progression-free. Medians are calculated from the Kaplan-Meier estimates and 95% confidence intervals, using Greenwood's standard error estimate.","dispersionType":"95% Confidence Interval","groups":[{"description":"Patients in the four initial cohorts are combined in the efficacy presentations. Patients start once daily oral treatment of BIBW 2992 (Afatinib) at 50 mg before protocol amendment 2 (17 Dec 2008), until progression or undue adverse events (AEs) development. Patients can be dose-reduced up to two times if needed after temporary interruption of treatment due to drug- related AEs. After protocol amendment 2, the starting dose of BIBW 2992 was reduced to 40 mg, with 2 possible dose reductions if needed after temporary dose interruption due to drug-related AEs.","id":"OG000","title":"Afatinib"}],"paramType":"MEDIAN","populationDescription":"Treated Set","reportingStatus":"POSTED","timeFrame":"Response assessment is done at end of Week 4 (after Course 1), Week 8 (after Course 2), Week 12 (after Course 3) and at 8-week intervals thereafter, up to 93 months.","title":"Progression-free Survival","type":"SECONDARY","unitOfMeasure":"Months"}