[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"iodinated-contrast-agent-recovery\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:iodinated-contrast-agent-recovery":26},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":4,"briefSummary":23,"conditions":24,"keywords":27,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":35,"lastUpdatePostDateStruct":36,"startDateStruct":39,"completionDateStruct":41,"leadSponsor":43,"locationsCount":5},"100640836","greenwater-20-reducing-iodinated-contrast-agents-in-hospital-wastewater-100640836",false,"NCT07620093","GREENWATER 2.0: Reducing Iodinated Contrast Agents in Hospital Wastewater","GREENWATER 2.0: Cutting Edge Solution for Reducing Iodinated Contrast Agents Via Post-Administration Collection Device","GREENWATER 2","Inclusion Criteria:\n\n* Adult patients aged 18 years or older.\n* Patients scheduled for a clinically indicated contrast-enhanced CT scan with iodinated contrast agent.\n* Patients able to provide written informed consent.\n* Patients willing to wait approximately 60 minutes after contrast injection before using the dedicated urine collection device.\n\nExclusion Criteria:\n\n\\- Patients unable to use the dedicated urine collection device for urine collection.","ALL","18 Years",{"count":20,"type":21},416,"ESTIMATED","OBSERVATIONAL","The goal of this observational study is to learn if using a dedicated urine collection device after CT scans can help reduce the amount of iodinated contrast agent released into hospital wastewater in adult outpatients undergoing contrast-enhanced CT scans.\n\nThe main questions it aims to answer are:\n\n* Does the dedicated urine collection device improve patient acceptance and compliance with post-contrast urine collection?\n* How much iodinated contrast agent can be recovered from urine collected after CT scans?\n\nParticipants will:\n\n* Have their planned CT scan with iodinated contrast agent as part of their regular medical care.\n* Wait in the radiology department for about 60 minutes after the contrast injection.\n* Use a dedicated urine collection device before leaving the hospital.\n* Answer short questions about their experience with the device.\n\nThis does not change the CT scan, the contrast agent used, or the standard clinical imaging procedure. The only additional procedure is the use of the dedicated urine collection device after the scan.",[25,26],"Environmental Sustainability in Radiology","Iodinated Contrast Agent Recovery",[28,29,30,31,32,33],"Iodinated Contrast Agents","Contrast-Enhanced CT","Hospital Wastewater","Urine Collection","Environmental Sustainability","Radiology Sustainability","RECRUITING","2026-06-19",{"date":37,"type":38},"2026-06-24","ACTUAL",{"date":40,"type":38},"2026-03-10",{"date":42,"type":21},"2026-12",{"name":44,"class":45},"I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio","OTHER"]