[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"trial:NCT04922606":3,"trial-entities:NCT04922606":71,"trial-summary:NCT04922606":75},{"id":4,"nct_id":4,"org_study_id":5,"brief_title":6,"official_title":6,"overall_status":7,"completion_date":8,"status_verified_date":9,"last_update_date":10,"start_date":11,"sponsor_name":12,"lead_sponsor_class":13,"has_dmc":14,"brief_summary":15,"detailed_description":16,"conditions":17,"keywords":19,"study_type":20,"primary_purpose":21,"phases":22,"enrollment_info":24,"interventions":27,"primary_outcomes":34,"secondary_outcomes":39,"sex":40,"minimum_age":16,"maximum_age":16,"healthy_volunteers":41,"eligibility_criteria":42,"std_ages":50,"locations":54,"central_contacts":64,"overall_officials":65,"references":69,"see_also_links":70},"NCT04922606","21-002859","Great Saphenous Vein Anatomy at the Proximal Medial Thigh as a Potential Site for Rescue Venous Access","ENROLLING_BY_INVITATION","2045-05","2026-07","2026-07-20","2021-05-04","Mayo Clinic","OTHER",false,"The purpose of this study is to assess the anatomy of the great saphenous vein at the level of the medial thigh in the general population in an effort to categorize this as a reliable target vessel for rescue peripheral IV access.",null,[18],"Anatomy of the GSV for Rescue Peripheral IV Access",[],"INTERVENTIONAL","DIAGNOSTIC",[23],"NA",{"count":25,"type":26},190,"ESTIMATED",[28],{"type":29,"name":30,"description":31,"armGroupLabels":32},"DIAGNOSTIC_TEST","US ot the GSV","Ultrasound of the Great Saphenous Vein",[33],"US of GSV",[35],{"measure":36,"description":37,"timeFrame":38},"Successful visualization of GSV","Number of times the great saphenous vein is identified at the level of the medial distal thigh in the general population using ultrasound","12 months",[],"ALL",true,{"inclusion":43,"exclusion":44,"raw_text":49},[],[45,46,47,48],"Critically ill patients as determined by the Emergency Medicine consultant of record for the patient.","Legs not accessible due to dressing, wounds, or other factors.","Overlying cellulitis\u002Fsoft tissue infection or injury.","Patients that are prison inmates and patients\u002Fpatient's surrogates who are unable to give verbal consent\u002Fassent.","Inclusion Criteria:\n\n\\- Pediatric and adult Emergency Department patients and employees of all ages from all areas of the emergency department or additional training sites staffed by emergency medicine residents.\n\nExclusion Criteria:\n\n* Critically ill patients as determined by the Emergency Medicine consultant of record for the patient.\n* Legs not accessible due to dressing, wounds, or other factors.\n* Overlying cellulitis\u002Fsoft tissue infection or injury.\n* Patients that are prison inmates and patients\u002Fpatient's surrogates who are unable to give verbal consent\u002Fassent.",[51,52,53],"CHILD","ADULT","OLDER_ADULT",[55],{"facility":56,"city":57,"state":58,"zip":59,"country":60,"geoPoint":61},"Mayo Clinic in Rochester","Rochester","Minnesota","55905","United States",{"lat":62,"lon":63},44.02163,-92.4699,[],[66],{"name":67,"affiliation":12,"role":68},"Tobias Kummer, MD","PRINCIPAL_INVESTIGATOR",[],[],{"nct_id":4,"conditions":72,"biomarkers":74},[73],"Great Saphenous Vein Anatomy",[],{"nct_id":4,"found":41,"summary":76,"prompt_version":86},{"design":77,"status":78,"heading":79,"summary":80,"follow_up":81,"word_count":82,"commitments":83,"compensation":84,"drugs_mentioned":85},"This is an interventional study planning to enroll 190 participants. It involves using ultrasound to examine the great saphenous vein.","completed","Understanding the Great Saphenous Vein for IV Access","This study is looking at the anatomy of the great saphenous vein (GSV), a large vein in your inner thigh, to see if it can be a reliable place to put an IV when other veins are hard to find. Researchers will use an ultrasound to look at the GSV in people of all ages who are in the emergency department or are employees there. The main goal is to see if the GSV can be clearly seen using ultrasound, with results measured over 12 months. This study is currently unclear about its recruitment status.","The primary endpoint, successful visualization of the GSV, is measured at 12 months.",95,"Not specified in the trial record.","Not stated in the trial record.",[],"v2"]