[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100370900":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":20,"locations":26,"responsibleParty":46,"collaborators":19,"id":50,"slug":51,"hasResults":52,"nctId":53,"briefTitle":54,"officialTitle":55,"acronym":19,"eligibilityCriteria":56,"healthyVolunteers":52,"sex":57,"minAge":58,"maxAge":19,"enrollmentInfo":59,"targetDuration":19,"studyType":62,"phases":63,"briefSummary":65,"conditions":66,"keywords":69,"overallStatus":29,"whyStopped":19,"lastUpdateSubmitDate":71,"lastUpdatePostDateStruct":72,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":80},{"fullName":5,"class":6},"Stanford University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Electrical Epidural Stimulation Test (EST)","EXPERIMENTAL","Laboring women are given EST test initially before local anesthetic is administered and 1 hour post-anesthetic in order to measure sensory and motor responses.",[13],"Diagnostic Test: Electrical Epidural Stimulation Test (EST)",[15],{"type":16,"name":9,"description":17,"armGroupLabels":18,"otherNames":19},"DIAGNOSTIC_TEST","EST measures sensory\u002Fmotor responses",[9],null,[21],{"name":22,"role":23,"phone":24,"phoneExt":19,"email":25},"Chynna Villanueva, BS, RN","CONTACT","6504986346","chynnav@stanford.edu",[27],{"facility":28,"status":29,"city":30,"state":31,"zip":32,"country":33,"countryCode":34,"cosmosGeoPoint":35,"geoPoint":40,"contacts":41},"Lucille Packard Children's Hospital","RECRUITING","Palo Alto","California","94304","United States","US",{"type":36,"coordinates":37},"Point",[38,39],-122.14302,37.44188,{"lat":39,"lon":38},[42],{"name":43,"role":23,"phone":44,"phoneExt":19,"email":45},"Ban Tsui, MD","650-200-9107","bantsui@stanford.edu",{"type":47,"investigatorFullName":48,"investigatorTitle":49,"investigatorAffiliation":5,"oldNameTitle":19,"oldOrganization":19},"PRINCIPAL_INVESTIGATOR","Chi-Ho Ban Tsui","Professor-Med Ctr Line","100370900","obstetric-placement-study-using-est-100370900",false,"NCT04109365","Obstetric Placement Study Using EST","Electrical Epidural Stimulation Test for Confirmation of Epidural Catheter Placement in Labouring Women","Inclusion Criteria:\n\n* Females, 18 years and older\n* American Society of Anesthesiologists physical status I or II\n* Full-term pregnancy with request for epidural early in labour (i.e. Regular labor or C-Section)\n\nExclusion Criteria:\n\n* Contraindication to regional anesthesia\n* Allergy or hypersensitivity to lidocaine, bupivacaine, or fentanyl\n* Use of sedatives or opioids\n* Abnormal vertebrae anatomy\n* Neurological disorder with lumbar involvement\n* Implanted electronic devices","FEMALE","18 Years",{"count":60,"type":61},40,"ESTIMATED","INTERVENTIONAL",[64],"NA","Combined spinal-epidural (CSE) is an established technique for providing labour analgesia to obstetric patients which provides rapid onset but unsustained analgesia. The epidural catheter can be used to extend and provide continuous pain relief, however during single-segment needle-through-needle CSE, the catheter is untested. This study aims to confirm placement of epidural catheters of anesthesia through the epidural stimulation test (EST) which was first described by the PI of the study for confirming placement of epidural catheters approximately 20 years ago.",[67,68],"Obstetric Pain","Anesthesia, Local",[70],"Electrical Epidural Stimulation Test","2025-04-30",{"date":73,"type":74},"2025-05-01","ACTUAL",{"date":76,"type":74},"2020-12-15",{"date":78,"type":61},"2025-12",{"name":5,"class":6},1]