{"groups":[{"description":"Palbociclib (PD 0332991) 100 milligram (mg) capsule orally once daily for 21 days followed by 7 days off-treatment in a 28-day cycle along with bortezomib 1.0 milligram per square meter (mg/m\\^2) intravenous injection and dexamethasone 20 mg tablet orally 30 minutes prior to bortezomib injection on Day 8, 11, 15 and 18 of 28-day cycle (schedule A) during Phase 1 of the study. Treatment was continued until any of the following withdrawal criteria was met: disease progression (unless the investigator judged that participant could still derive clinical benefit from continuing the treatment and the risk/benefit was still favorable), unacceptable toxicities, need for surgery or radiation therapy considered due to progressive disease by investigator, investigator conclusion that it is in the participant's best interest to discontinue therapy, need for anti-cancer therapy, lost to follow-up, withdrawal from treatment, or withdrawal of consent.","id":"FG000","title":"Palbociclib 100mg+Bortezomib+Dexamethasone(Phase1:Schedule A)"},{"description":"Palbociclib (PD 0332991) 75 mg capsule orally once daily for 21 days followed by 7 days off-treatment in a 28-day cycle along with bortezomib 1.0 mg/m\\^2 intravenous injection and dexamethasone 20 mg tablet orally 30 minutes prior to bortezomib injection on Day 8, 11, 15 and 18 of 28-day cycle (schedule A) during Phase 1 of the study. Treatment was continued until any of the following withdrawal criteria was met: disease progression (unless the investigator judged that participant could still derive clinical benefit from continuing the treatment and the risk/benefit was still favorable), unacceptable toxicities, need for surgery or radiation therapy considered due to progressive disease by investigator, investigator conclusion that it is in the participant's best interest to discontinue therapy, need for anti-cancer therapy, lost to follow-up, withdrawal from treatment, or withdrawal of consent.","id":"FG001","title":"Palbociclib 75mg+Bortezomib+Dexamethasone(Phase1:Schedule A)"},{"description":"Palbociclib (PD 0332991) 100 mg capsule orally once daily for 12 days followed by 9 days off-treatment in a 21-day cycle along with bortezomib 1.0 mg/m\\^2 intravenous injection and dexamethasone 20 mg tablet orally 30 minutes prior to bortezomib injection on Day 8, 11, 15 and 18 of 21-day cycle (schedule B) during Phase 1 of the study. Treatment was continued until any of the following withdrawal criteria was met: disease progression (unless the investigator judged that participant could still derive clinical benefit from continuing the treatment and the risk/benefit was still favorable), unacceptable toxicities, need for surgery or radiation therapy considered due to progressive disease by investigator, investigator conclusion that it is in the participant's best interest to discontinue therapy, need for anti-cancer therapy, lost to follow-up, withdrawal from treatment, or withdrawal of consent.","id":"FG002","title":"Palbociclib 100mg+Bortezomib+Dexamethasone(Phase1:Schedule B)"},{"description":"Palbociclib (PD 0332991) 125 mg capsule orally once daily for 12 days followed by 9 days off-treatment in a 21-day cycle along with bortezomib 1.0 mg/m\\^2 intravenous injection and dexamethasone 20 mg tablet orally 30 minutes prior to bortezomib injection on Day 8, 11, 15 and 18 of 21-day cycle (schedule B) during Phase 1 of the study. Treatment was continued until any of the following withdrawal criteria was met: disease progression (unless the investigator judged that participant could still derive clinical benefit from continuing the treatment and the risk/benefit was still favorable), unacceptable toxicities, need for surgery or radiation therapy considered due to progressive disease by investigator, investigator conclusion that it is in the participant's best interest to discontinue therapy, need for anti-cancer therapy, lost to follow-up, withdrawal from treatment, or withdrawal of consent.","id":"FG003","title":"Palbociclib 125mg+Bortezomib+Dexamethasone(Phase1:Schedule B)"},{"description":"Palbociclib (PD 0332991) 100 mg capsule orally once daily for 12 days followed by 9 days off-treatment in a 21-day cycle along with bortezomib 1.0 mg/m\\^2 intravenous injection and dexamethasone 20 mg tablet orally 30 minutes prior to bortezomib injection on Day 8, 11, 15 and 18 of 21-day cycle (schedule B) during Phase 2 of the study. Treatment was continued until any of the following withdrawal criteria was met: disease progression (unless the investigator judged that participant could still derive clinical benefit from continuing the treatment and the risk/benefit was still favorable), unacceptable toxicities, need for surgery or radiation therapy considered due to progressive disease by investigator, investigator conclusion that it is in the participant's best interest to discontinue therapy, need for anti-cancer therapy, lost to follow-up, withdrawal from treatment, or withdrawal of consent.","id":"FG004","title":"Palbociclib 100mg+Bortezomib+Dexamethasone(Phase2:ScheduleB)"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"3"},{"groupId":"FG001","numSubjects":"5"},{"groupId":"FG002","numSubjects":"3"},{"groupId":"FG003","numSubjects":"1"},{"groupId":"FG004","numSubjects":"0"}],"type":"Objective Progression or Relapse"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"1"},{"groupId":"FG002","numSubjects":"1"},{"groupId":"FG003","numSubjects":"1"},{"groupId":"FG004","numSubjects":"0"}],"type":"Global Deterioration of Health Status"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"3"},{"groupId":"FG003","numSubjects":"2"},{"groupId":"FG004","numSubjects":"0"}],"type":"Adverse Event"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"1"},{"groupId":"FG004","numSubjects":"0"}],"type":"Withdrawal by Subject"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"3"},{"groupId":"FG001","numSubjects":"6"},{"groupId":"FG002","numSubjects":"7"},{"groupId":"FG003","numSubjects":"5"},{"groupId":"FG004","numSubjects":"0"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"0"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"3"},{"groupId":"FG001","numSubjects":"6"},{"groupId":"FG002","numSubjects":"7"},{"groupId":"FG003","numSubjects":"5"},{"groupId":"FG004","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Phase 1"},{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"4"}],"type":"Adverse Event"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"2"}],"type":"Global Deterioration of Health Status"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"16"}],"type":"Objective Progression or Relapse"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"2"}],"type":"Withdrawal by Subject"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"6"}],"type":"Other"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"2"}],"type":"Randomized but not Treated"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"32"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"30"}],"type":"Treated"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"0"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"},{"groupId":"FG003","numSubjects":"0"},{"groupId":"FG004","numSubjects":"32"}],"type":"NOT COMPLETED"}],"title":"Phase 2"}]}