{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"29"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"30"}],"units":"Participants"}],"description":"Number of patients with an adverse event","groups":[{"description":"Patients receive porfimer sodium subcutaneously followed by photodynamic therapy (PDT) comprising laser light delivered by a single or a diffuser (i.e., for broad areas of dysplasia) fiberoptic lens fiber.\n\nporfimer sodium: IV","id":"OG000","title":"Porfimer Sodium"}],"paramType":"NUMBER","populationDescription":"All treated and eligible patients","reportingStatus":"POSTED","timeFrame":"30 days","title":"Local Toxicity","type":"PRIMARY","unitOfMeasure":"participants"}