{"denoms":[{"counts":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"}],"units":"Participants"}],"groups":[{"description":"Cohort 1. 100 mg tabalumab (LY2127399)intravenously (IV) on day 1 of each cycle. Bortezomib (BTZ), 1.3 milligram per square meter (mg/m\\^2), IV on days 1, 4, 8, 11 of Cycle 1-8, then on days 1, 8, 15, 22 from Cycle 9 onward. Oral dexamethasone (Dex), 20 mg/day, on day of and day after BTZ.\n\nBortezomib IV: Administered IV\n\nDexamethasone: Administered orally","id":"OG000","title":"100 mg Tabalumab+BTZ IV+Dex"},{"description":"Cohort 2. 300 mg tabalumab (LY2127399) IV on day 1 of each cycle. BTZ, 1.3 mg/m\\^2, IV on days 1, 4, 8, 11 of Cycle 1-8, then on days 1, 8, 15, 22 from Cycle 9 onward. Oral dex, 20 mg/day, on day of and day after BTZ subcutaneously or intravenously (SC, IV respectively).","id":"OG001","title":"300 mg Tabalumab+BTZ +Dex"}],"populationDescription":"Zero participants analyzed as no post baseline data collected.","reportingStatus":"POSTED","timeFrame":"Baseline through study completion (up to 455 days)","title":"Pharmacodynamics (PD): Change From Baseline in Absolute B-cell Count","type":"SECONDARY"}