{"denoms":[{"counts":[{"groupId":"OG000","value":"0"},{"groupId":"OG001","value":"0"}],"units":"Participants"}],"description":"Evaluate the relative contribution of resistance by ALL blasts to the donor immune response as a cause of relapse post transplantation.","groups":[{"description":"Tacro-MTX/Sirolimus GVHD Prophylaxis","id":"OG000","title":"Experiemental"},{"description":"Tacro-MTX GVHD Prophylaxis","id":"OG001","title":"Control"}],"populationDescription":"We are not able to perform this analysis given the low numbers of blast samples available.","reportingStatus":"POSTED","timeFrame":"Up to 12 months","title":"Chimerism","type":"SECONDARY"}