{"denoms":[{"counts":[{"groupId":"OG000","value":"0"}],"units":"Participants"}],"groups":[{"description":"Rituximab: (i.v.) 375 mg/m\\^2 given the evening before blood brain barrier disruption(BBBD) procedure day 1 Carboplatin: (i.a.) 200 mg/m\\^2 /day x 2 days = 400 mg/m\\^2","id":"OG000","title":"Rituximab and Carboplatin"}],"populationDescription":"Data not collected due to low accrual and early termination.","reportingStatus":"POSTED","timeFrame":"2 years","title":"Ototoxicity Assessed by Audiology Hearing Test Done Monthly During Treatment","type":"SECONDARY"}