{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"5"},{"groupId":"OG004","value":"2"},{"groupId":"OG005","value":"1"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"3"},{"groupId":"OG001","value":"3"},{"groupId":"OG002","value":"3"},{"groupId":"OG003","value":"10"},{"groupId":"OG004","value":"6"},{"groupId":"OG005","value":"5"}],"units":"Participants"}],"description":"Proportion of patients with any grade 3 or greater hematological toxicities on any course in A1 and B1","groups":[{"description":"Lorlatinib will be given orally once daily continuously for 28 days. The dose level of lorlatinib will be 45 mg/m2/dose. Patients must be under 18 years of age at time of enrollment.\n\nLorlatinib: Lorlatinib will be given orally once daily continuously in 28-day cycles. Lorlatinib will be provided as 5 mg or 25 mg tablets.","id":"OG000","title":"Cohort A1 DL1"},{"description":"Lorlatinib will be given orally once daily continuously for 28 days. The dose level of lorlatinib will be 60 mg/m2/dose. Patients must be under 18 years of age at time of enrollment.\n\nLorlatinib: Lorlatinib will be given orally once daily continuously in 28-day cycles. Lorlatinib will be provided as 5 mg or 25 mg tablets.","id":"OG001","title":"Cohort A1 DL2"},{"description":"Lorlatinib will be given orally once daily continuously for 28 days. The dose level of lorlatinib will be 75 mg/m2/dose. Patients must be under 18 years of age at time of enrollment.\n\nLorlatinib: Lorlatinib will be given orally once daily continuously in 28-day cycles. Lorlatinib will be provided as 5 mg or 25 mg tablets.","id":"OG002","title":"Cohort A1 DL3"},{"description":"Lorlatinib will be given orally once daily continuously for 28 days. The dose level of lorlatinib will be 95 mg/m2/dose. Patients must be under 18 years of age at time of enrollment.\n\nLorlatinib: Lorlatinib will be given orally once daily continuously in 28-day cycles. Lorlatinib will be provided as 5 mg or 25 mg tablets.","id":"OG003","title":"Cohort A1 DL4"},{"description":"Lorlatinib will be given orally once daily continuously for 28 days. The dose level of lorlatinib will be 115 mg/m2/dose. Patients must be under 18 years of age at time of enrollment.\n\nLorlatinib: Lorlatinib will be given orally once daily continuously in 28-day cycles. Lorlatinib will be provided as 5 mg or 25 mg tablets.","id":"OG004","title":"Cohort A1 DL5"},{"description":"Lorlatinib will be given orally once daily continuously for 28 days. The dose level of lorlatinib will be 115 mg/m2/dose. Patients must be under 18 years of age at time of enrollment.\n\nLorlatinib: Lorlatinib will be given orally once daily continuously in 28-day cycles. Lorlatinib will be provided as 5 mg or 25 mg tablets.","id":"OG005","title":"Cohort B1 DL5"}],"paramType":"COUNT_OF_PARTICIPANTS","reportingStatus":"POSTED","timeFrame":"All toxicities from enrollment through 30 days following end of protocol therapy, an average of 10 months","title":"Describe Hematological Toxicities (A1 and B1)","type":"PRIMARY","unitOfMeasure":"Participants"}