{"denoms":[{"counts":[{"groupId":"OG000","value":"0"}],"units":"Participants"}],"description":"Progression free survival (PFS) defined as time from study enrollment until disease progression or death.","groups":[{"description":"Patients receive erlotinib hydrochloride PO QD. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.","id":"OG000","title":"Treatment (Enzyme Inhibitor Therapy)"}],"populationDescription":"The study was terminated early after the enrollment of two participants and the data were not collected.","reportingStatus":"POSTED","timeFrame":"1 year","title":"PFS","type":"SECONDARY"}