{"denoms":[{"counts":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"}],"units":"Participants"}],"description":"Overall Response Rate (ORR) is defined as the proportion of participants who achieve a complete response or partial response (or very good partial response or minor response for participants with Waldenstrom's). ORR was to be assessed by an IRC.","groups":[{"description":"Idelalisib 150 mg tablet orally twice daily + rituximab 375 mg/m\\^2 intravenously starting on Day 1 for a total of 8 infusions","id":"OG000","title":"Idelalisib + Rituximab"},{"description":"Placebo tablet orally twice daily + rituximab 375 mg/m\\^2 intravenously starting on Day 1 for a total of 8 infusions","id":"OG001","title":"Placebo + Rituximab"}],"populationDescription":"Due to the early termination of the study, efficacy data were not available for all participants, and therefore the prespecified analyses were not conducted.","reportingStatus":"POSTED","title":"Overall Response Rate","type":"SECONDARY"}