{"denoms":[{"counts":[{"groupId":"OG000","value":"0"}],"units":"Participants"}],"description":"SADA activity will be correlated with tumor response according to the guidelines of the revised Response Criteria in Solid Tumors 1.1.","groups":[{"description":"Patients receive porfimer sodium IV over 3-5 minutes on day 0. Patients then undergo image-guided I-PDT on day 2.\n\nLaboratory Biomarker Analysis: Correlative studies\n\nPhotodynamic Therapy: Undergo image-guided I-PDT\n\nPorfimer Sodium: Given IV","id":"OG000","title":"Treatment (Porfimer Sodium, Image-guided I-PDT)"}],"populationDescription":"The published assay could not be validated in murine samples. As such, no human samples were analyzed.","reportingStatus":"POSTED","timeFrame":"Up to 12 months","title":"Serum Alkaline DNase (SADA) Activity","type":"SECONDARY"}