[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"trial:NCT07515911":3,"trial-entities:NCT07515911":81,"trial-summary:NCT07515911":85},{"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":23,"interventions":26,"primary_outcomes":36,"secondary_outcomes":44,"sex":45,"minimum_age":46,"maximum_age":21,"healthy_volunteers":47,"eligibility_criteria":48,"std_ages":54,"locations":57,"central_contacts":74,"overall_officials":77,"references":79,"see_also_links":80},"NCT07515911","25-013952","Comparison of Ultrasound and Anatomic Landmark Techniques of the Ulnar and Posterior Tibial Nerves","RECRUITING","2027-01","2026-09","2026-09-17","2026-09-02","Mayo Clinic","OTHER",false,"The purpose of this study is to determine whether placement of stimulating electrodes over the ulnar nerve is important for proper delivery of current leading to stimulation of intrinsic hand muscles.","Placement of stimulating electrodes over the ulnar nerve is important for proper delivery of current leading to stimulation of intrinsic hand muscles. Accuracy may be improved with a better description of the precise location of the ulnar nerve. There may be a simple fraction of the wrist width that can be utilized to assist the busy practitioner with accurate placement of the stimulating electrodes over the ulnar nerve. It is expected that the ulnar groove, when easily identified, will be an accurate estimate (within 10% of total wrist width) of the ulnar nerve location.",[18],"Ulnar Nerve",[],"OBSERVATIONAL",null,[],{"count":24,"type":25},40,"ESTIMATED",[27,32],{"type":13,"name":28,"description":29,"armGroupLabels":30},"Hand measurements","Ulnar right:\n\n* Width of wrist\n* Distance from radial side to middle of ulnar groove\n* Photo of ulnar groove\n\n  o Grade ability to identify: easy, moderate-difficult, unable\n* Ultrasound measurements\n\nUlnar left:\n\n* Width of wrist\n* Distance from radial side to middle of ulnar groove\n* Photo of ulnar groove\n\n  o Grade ability to identify: easy, moderate-difficult, unable\n* Ultrasound measurements",[31],"Volunteers",{"type":13,"name":33,"description":34,"armGroupLabels":35},"Foot\u002Fankle measurements","Posterior tibial right:\n\n* Distance between prominence of medial malleolus and mid-Achilles tendon\n* Distance artery point of maximal pulsation to posterior border of medial malleolus\n* Distance artery point of maximal pulsation to medial border of Achilles tendon\n* Photo taken after palpating posterior tibial artery\n\n  o Grade ability to identify: easy, moderate-difficult, unable\n* Ultrasound measurements\n\nPosterior tibial left:\n\n* Distance between prominence of medial malleolus and mid-Achilles tendon\n* Distance artery point of maximal pulsation to posterior border of medial malleolus\n* Distance artery point of maximal pulsation to medial border of Achilles tendon\n* Photo taken after palpating posterior tibial artery\n\n  o Grade ability to identify: easy, moderate-difficult, unable\n* Ultrasound measurements",[31],[37,41],{"measure":38,"description":39,"timeFrame":40},"Wrist width","Width of wrist will be measured with calipers and reported in inches","Baseline",{"measure":42,"description":43,"timeFrame":40},"Reliability of wrist width to locate ulnar nerve","Total number of times that the ulnar nerve, as identified with ultrasound, falls between 5-15% of the wrist width distance as measured from the ulnar side of the wrist",[],"ALL","18 Years",true,{"inclusion":49,"exclusion":50,"raw_text":53},[],[51,52],"History of ulnar neuropathy or ulnar nerve or wrist surgery (i.e. carpal tunnel)","Upper extremity edema","Inclusion Criteria:\n\n• English speaking\n\nExclusion Criteria:\n\n* History of ulnar neuropathy or ulnar nerve or wrist surgery (i.e. carpal tunnel)\n* Upper extremity edema",[55,56],"ADULT","OLDER_ADULT",[58],{"facility":12,"status":7,"city":59,"state":60,"zip":61,"country":62,"contacts":63,"geoPoint":71},"Jacksonville","Florida","32224","United States",[64,68],{"name":65,"role":66,"phone":67},"Ally R. Sapin, MS","CONTACT","904-956-3328",{"name":69,"role":70},"J. Ross Renew, MD","PRINCIPAL_INVESTIGATOR",{"lat":72,"lon":73},30.33218,-81.65565,[75],{"name":65,"role":66,"phone":67,"email":76},"sapin.alyssa@mayo.edu",[78],{"name":69,"affiliation":12,"role":70},[],[],{"nct_id":4,"conditions":82,"biomarkers":84},[83],"Healthy Volunteers",[],{"nct_id":4,"found":47,"summary":86,"prompt_version":96},{"design":87,"status":88,"heading":89,"summary":90,"follow_up":91,"word_count":92,"commitments":93,"compensation":94,"drugs_mentioned":95},"This is an observational study involving 40 participants. It does not specify a phase.","completed","Comparing Ultrasound and Landmark Techniques for Nerve Location","This study is comparing two ways to find the ulnar nerve (in your arm, near your elbow) and posterior tibial nerve (in your leg, near your ankle): using ultrasound or using measurements from specific body landmarks. The goal is to see if a simple measurement of your wrist width can help doctors accurately place stimulating electrodes over the ulnar nerve, which is important for testing how well your hand muscles work. We are looking for 40 English-speaking adults, aged 18 and older, who have not had ulnar nerve problems or surgery in that area. The main things we'll be looking at are your wrist width and how reliably that measurement helps locate the ulnar nerve.","The primary endpoints, wrist width and reliability of wrist width to locate the ulnar nerve, are measured at Baseline. No further follow-up is specified.",115,"You would have measurements taken of your hands and feet\u002Fankles, including photos and ultrasound measurements. The record does not specify the duration of participation.","Not stated in the trial record.",[],"v2"]