{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"},{"groupId":"OG002","value":"0"},{"groupId":"OG003","value":"0"},{"groupId":"OG004","value":"0"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"3"},{"groupId":"OG001","value":"12"},{"groupId":"OG002","value":"6"},{"groupId":"OG003","value":"4"},{"groupId":"OG004","value":"9"}],"units":"Participants"}],"description":"Objective responses included complete response (CR) and partial response (PR).","groups":[{"description":"Less-heavily pre-treated patients received oral palbociclib daily at 50 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.","id":"OG000","title":"Stratum I, Dose Level 1 (50 mg/m2)"},{"description":"Less-heavily pre-treated patients received oral palbociclib daily at 75 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.","id":"OG001","title":"Stratum I, Dose Level 2 (75 mg/m2)"},{"description":"Less-heavily pre-treated patients received oral palbociclib daily at 95 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.","id":"OG002","title":"Stratum I, Dose Level 3 (95 mg/m2)"},{"description":"Heavily pre-treated patients received oral palbociclib daily at 50 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.","id":"OG003","title":"Stratum II, Dose Level 1 (50 mg/m2)"},{"description":"Heavily pre-treated patients received oral palbociclib daily at 75 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.","id":"OG004","title":"Stratum II, Dose Level 2 (75mg/m2)"}],"paramType":"COUNT_OF_PARTICIPANTS","populationDescription":"Patients who received at least one dose of palbociclib were included in the analysis. One patient in stratum II dose level 2 who withdrew prior to beginning protocol therapy was excluded.","reportingStatus":"POSTED","timeFrame":"Up to 2 years","title":"Number of Subjects With Objective Responses","type":"SECONDARY","unitOfMeasure":"Participants"}