{"denoms":[{"counts":[{"groupId":"BG000","value":"2"}],"units":"Participants"}],"groups":[{"description":"Patients receive erlotinib hydrochloride orally or via gastrostomy tube once daily in weeks 1-9 and then for 2 years following completion of radiation therapy. Beginning on day 1 of week 2, patients undergo radiation therapy once daily, 5 times a week, for 5-7 weeks. Treatment continues in the absence of disease progression or unacceptable toxicity.","id":"BG000","title":"Arm I"}],"measures":[{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"}],"title":"<=18 years"},{"measurements":[{"groupId":"BG000","value":"1"}],"title":"Between 18 and 65 years"},{"measurements":[{"groupId":"BG000","value":"1"}],"title":">=65 years"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Age, Categorical","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"0"}],"title":"Female"},{"measurements":[{"groupId":"BG000","value":"2"}],"title":"Male"}]}],"paramType":"COUNT_OF_PARTICIPANTS","title":"Sex: Female, Male","unitOfMeasure":"Participants"},{"classes":[{"categories":[{"measurements":[{"groupId":"BG000","value":"2"}]}],"title":"United States"}],"paramType":"NUMBER","title":"Region of Enrollment","unitOfMeasure":"participants"}]}