[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100345304":3},{"organization":4,"armGroups":7,"interventions":35,"overallOfficials":46,"centralContacts":50,"locations":60,"responsibleParty":96,"collaborators":99,"id":110,"slug":111,"hasResults":112,"nctId":113,"briefTitle":114,"officialTitle":115,"acronym":10,"eligibilityCriteria":116,"healthyVolunteers":112,"sex":117,"minAge":118,"maxAge":10,"enrollmentInfo":119,"targetDuration":10,"studyType":122,"phases":10,"briefSummary":123,"conditions":124,"keywords":144,"overallStatus":63,"whyStopped":10,"lastUpdateSubmitDate":156,"lastUpdatePostDateStruct":157,"startDateStruct":160,"completionDateStruct":162,"leadSponsor":164,"locationsCount":165},{"fullName":5,"class":6},"Medical College of Wisconsin","OTHER",[8,14,18,22,26,30],{"label":9,"type":10,"description":11,"interventionNames":12},"1) Fetal Congenital Heart Disease",null,"Pregnancy with major fetal congenital heart disease, after 20 weeks gestation, and as neonate following delivery. Two fetal magnetocardiograms (fMCG) and 1 neonatal electrocardiogram (nECG) will be obtained and heart rate, rhythm, and conduction patterns will be compared.",[13],"Diagnostic Test: Fetal Magnetocardiogram and Neonatal Electrocardiogram",{"label":15,"type":10,"description":16,"interventionNames":17},"2) History of fetal demise (Stillbirth)","Pregnancy with a history of an unexplained fetal demise (stillbirth at 20 -40 weeks gestation) during any prior pregnancy. Two fetal magnetocardiograms (fMCG) and 1 neonatal electrocardiogram (nECG) will be obtained and heart rate, rhythm, and conduction patterns will be compared.",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"3) Fetal hydrops, immune or non-immune","Pregnancy with fetal hydrops, immune or non-immune, at or after 20 weeks gestation. Two fetal magnetocardiograms (fMCG) and 1 neonatal electrocardiogram (nECG) will be obtained and heart rate, rhythm, and conduction patterns will be compared.",[13],{"label":23,"type":10,"description":24,"interventionNames":25},"4) Fetal gastroschisis","Pregnancy with fetal gastroschisis, at or after 20 weeks gestation. Two fetal magnetocardiograms (fMCG) and 1 neonatal electrocardiogram (nECG) will be obtained and heart rate, rhythm, and conduction patterns will be compared.",[13],{"label":27,"type":10,"description":28,"interventionNames":29},"5) Twin pregnancy, monochorionic","Twin pregnancy, monochorionic, with or without twin-twin transfusion syndrome, at or after 20 weeks gestation. Two fetal magnetocardiograms (fMCG) and 1 neonatal electrocardiogram (fMCG) will be obtained and heart rate, rhythm, and conduction patterns will be compared.",[13],{"label":31,"type":10,"description":32,"interventionNames":33},"6) Maternal medications and Fetal Tachycardia","Mothers who are taking medications that impact QT interval, and\u002For are used to treat either a maternal risk of arrhythmi (Inherited arrhythmia Syndromes) or used for fetal tachycardia management are eligible for the substudy evaluating maternal and infant pharmacogenomics. PG will be measured after delivery by RPRD, Inc with results conveyed to the subject by the PI. The results are not used for clinical management of the pregnancy.",[34],"Genetic: Substudy only: Maternal\u002FInfant Pharmacogenomic assessment postnatally",[36,41],{"type":37,"name":38,"description":39,"armGroupLabels":40,"otherNames":10},"DIAGNOSTIC_TEST","Fetal Magnetocardiogram and Neonatal Electrocardiogram","Fetal Magnetocardiography (fMCG) is a new non-invasive diagnostic procedure that records tiny fetal cardiac signals similar to an Electrocardiogram or Holter monitor. The magnetometer has FDA clearance, and does not emit magnetic, electric or other energies. This is not an MRI. Examples of fetal MCG's can be found in the Links. The American Heart Association Scientific Statement on Fetal Diagnosis and Treatment (Circulation, 2014) has declared fMCG to be Class IIa for fetal heart rhythm abnormalities, meaning that benefit far exceeds risk. As part of this study, a neonatal electrocardiogram (nECG) will be obtained for comparison after the baby is born.",[9,15,19,23,27],{"type":42,"name":43,"description":44,"armGroupLabels":45,"otherNames":10},"GENETIC","Substudy only: Maternal\u002FInfant Pharmacogenomic assessment postnatally","See also section 6. Pharmacogenomics measure the way the liver breaks down medications. The systems controlling this are inherited, and mothers or infants can be normal, fast, ultrafast, or poor metabolizers for certain drugs. This study will attempt to improve future safety of cardiac drug treatments for both mother and fetus by evaluating the impact of PG.",[31],[47],{"name":48,"affiliation":5,"role":49},"Janette F Strasburger, MD","PRINCIPAL_INVESTIGATOR",[51,56],{"name":52,"role":53,"phone":54,"phoneExt":10,"email":55},"Mara C Koffarnus, MD","CONTACT","414-266-4758","mkoffarn@mcw.edu",{"name":57,"role":53,"phone":58,"phoneExt":10,"email":59},"Gretchen Eckstein","414-266-3539","geckstein@chw.org",[61,81],{"facility":62,"status":63,"city":64,"state":65,"zip":66,"country":67,"countryCode":68,"cosmosGeoPoint":69,"geoPoint":74,"contacts":75},"University of Wisconsin - Madison","RECRUITING","Madison","Wisconsin","53715","United States","US",{"type":70,"coordinates":71},"Point",[72,73],-89.40123,43.07305,{"lat":73,"lon":72},[76,79],{"name":77,"role":53,"phone":10,"phoneExt":10,"email":78},"Ronald T Wakai, PhD","rtwakai@wisc.edu",{"name":80,"role":53,"phone":58,"phoneExt":10,"email":59},"Gretchen Eckstein, RN, BSN",{"facility":5,"status":63,"city":82,"state":65,"zip":83,"country":67,"countryCode":68,"cosmosGeoPoint":84,"geoPoint":88,"contacts":89},"Milwaukee","53226",{"type":70,"coordinates":85},[86,87],-87.90647,43.0389,{"lat":87,"lon":86},[90,93],{"name":48,"role":53,"phone":91,"phoneExt":10,"email":92},"414-266-2000","jstrasbu@mcw.edu",{"name":94,"role":53,"phone":95,"phoneExt":10,"email":59},"Gretchen C Eckstein, RN, BSN","414-266-3539 (Preferred)",{"type":49,"investigatorFullName":97,"investigatorTitle":98,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Janette Strasburger","Professor",[100,103,105,108],{"name":101,"class":102},"National Heart, Lung, and Blood Institute (NHLBI)","NIH",{"name":104,"class":6},"University of Wisconsin, Madison",{"name":106,"class":107},"Tristan Technologies, Inc","UNKNOWN",{"name":109,"class":6},"Advancing a Healthier Wisconsin Endowment","100345304","fetal-electrophysiologic-abnormalities-in-high-risk-pregnancies-associated-with-fetal-demise-100345304",false,"NCT03775954","Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise","Fetal Electrophysiologic Abnormalities in High-risk Pregnancies Associated With Fetal Demise","Inclusion Criteria:\n\n* Current pregnancy complicated by one of the five diagnostic categories\n\n  * prior unexplained Stillbirth at\u002Fafter 20 weeks gestation\n  * fetal major congenital heart defect\n  * fetal hydrops\n  * fetal gastroschisis\n  * monochorionic twin pregnancy\n* Subject must be 18 years of age or older\n* Subject must be English speaking and must be able to read and sign the consent form in English\n* Subject must be able to recline comfortably for 1-3 hours\n* Subject must be willing to complete all three procedures (fMCG, fMCG, nECG) as per protocol, unless medically unable\n* Subject must be willing to allow us to review her and her infants prenatal, deliver, and post-natal records to verify diagnosis, and clinical findings.\n\nExclusion Criteria:\n\n* Severe claustrophobia not reduced by taking breaks, or by having the light on, or by having someone in the room with them.\n* Active labor\n* Acute illness\n* Unable to recline comfortably with a pillow for more than 1-3 hours (assuming some breaks are provided)\n* Weight over 450 lbs\n* An electric stimulation device (TENS unit, pacemaker, or nerve stimulator) that could produce electric or magnetic noise.\n\n  * Note that the Tristan 624 Magnetometer does not pose a risk to the subject's device, (since fMCG does not produce any energy or magnetism), but stimulators themselves can cause interference for our recordings. Some devices may still qualify, and discussion with study nurse may be useful if subject has a pacemaker or similar device.\n\nThe subject will have a single 2-3 hour fetal magnetocardiogram at approximately 20 and 27 weeks GA, and again, if medical condition allows, between 30 and 37 weeks GA, then her infant will have an ECG between 0 and 4 weeks of age. Subjects will be paid a nominal fee for their participation each time, as well as transportation reimbursement if \\>25 miles. For subjects traveling a long distance, the ECG may be performed locally or at home.","FEMALE","18 Years",{"count":120,"type":121},30,"ESTIMATED","OBSERVATIONAL","Each year world-wide, 2.5 million fetuses die unexpectedly in the last half of pregnancy, 25,000 in the United States, making fetal demise ten-times more common than Sudden Infant Death Syndrome. This study will apply a novel type of non-invasive monitoring, called fetal magnetocardiography (fMCG) used thus far to successfully evaluate fetal arrhythmias, in order to discover potential hidden electrophysiologic abnormalities that could lead to fetal demise in five high-risk pregnancy conditions associated with fetal demise.",[125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143],"High Risk Pregnancy","Congenital Heart Disease","Fetal Hydrops","Twin Monochorionic Monoamniotic Placenta","Gastroschisis","Fetal Demise","Stillbirth","Fetal Arrhythmia","Long QT Syndrome","Intrauterine Fetal Death","Sudden Infant Death","Pregnancy Loss","Twin Twin Transfusion Syndrome","Birth Defect","Fetal Cardiac Anomaly","Fetal Cardiac Disorder","Fetal Death","Brugada Syndrome","Fetal Tachycardia",[145,131,146,147,148,125,149,150,151,152,153,154,155],"Fetal Magnetocardiography","Intrauterine Fetal Demise","Fetal Heart Rate Variability","Fetal Arrhythmias","Pregnancy","Fetal Anomaly","Fetal Echocardiography","Non-Stress Testing","New Technology","Birth Defects","Fetal Research","2026-03-02",{"date":158,"type":159},"2026-03-04","ACTUAL",{"date":161,"type":159},"2018-07-01",{"date":163,"type":121},"2028-11-30",{"name":5,"class":6},2]