{"eventGroups":[{"deathsNumAffected":0,"deathsNumAtRisk":49,"description":"Patients receive 16 mg ondansetron IV once 30-60 minutes before undergoing autologous peripheral blood stem cell transplantation.\n\nondansetron: Given IV\n\nsurvey administration: Correlative studies\n\nmanagement of therapy complications: Ondansetron IV","id":"EG000","otherNumAffected":18,"otherNumAtRisk":49,"seriousNumAffected":0,"seriousNumAtRisk":49,"title":"Ondansteron Therapy"}],"frequencyThreshold":"5","otherEvents":[{"assessmentType":"SYSTEMATIC_ASSESSMENT","notes":"post stem cell infusion","organSystem":"Gastrointestinal disorders","stats":[{"groupId":"EG000","numAffected":9,"numAtRisk":49}],"term":"nausea"},{"assessmentType":"SYSTEMATIC_ASSESSMENT","notes":"post stem cell infusion. Also had \\> two point increase from baseline on MAT nausea score","organSystem":"Gastrointestinal disorders","stats":[{"groupId":"EG000","numAffected":3,"numAtRisk":49}],"term":"nausea and vomiting"},{"assessmentType":"SYSTEMATIC_ASSESSMENT","notes":"post stem cell infusion","organSystem":"Gastrointestinal disorders","stats":[{"groupId":"EG000","numAffected":6,"numAtRisk":49}],"term":"vomiting"}],"timeFrame":"11 months between August 2008-June 2009"}