[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100585918":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":24,"locations":34,"responsibleParty":51,"collaborators":10,"id":54,"slug":55,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":10,"eligibilityCriteria":60,"healthyVolunteers":56,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":10,"studyType":67,"phases":10,"briefSummary":68,"conditions":69,"keywords":71,"overallStatus":36,"whyStopped":10,"lastUpdateSubmitDate":75,"lastUpdatePostDateStruct":76,"startDateStruct":79,"completionDateStruct":81,"leadSponsor":83,"locationsCount":84},{"fullName":5,"class":6},"Kaplan Medical Center","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Neonatal birth cohort",null,"Neonates born at Kaplan Medical Center whose cord blood is tested for Duffy antigen status and complete blood count. Follow-up neutrophil data is collected at 9-12 months if available.",[13],"Diagnostic Test: Cord blood",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":10},"DIAGNOSTIC_TEST","Cord blood","Cord blood samples will be collected during routine G6PD testing. An additional 3 mL will be obtained non-invasively from the umbilical cord to determine the expression of Duffy antigens using serologic gel testing.",[9],[21],{"name":22,"affiliation":5,"role":23},"Tal Ben Ami, MD","PRINCIPAL_INVESTIGATOR",[25,30],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},"Tal Ben Ami, M.D","CONTACT","+972-50-7414922","tal.ben.ami11@gmail.com",{"name":31,"role":27,"phone":32,"phoneExt":10,"email":33},"Yael Zeitak, PhD","+972-52-627-4987","yaelze4@clalit.org.il",[35],{"facility":5,"status":36,"city":37,"state":38,"zip":39,"country":38,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"RECRUITING","Rehovot","Israel","7661041","IL",{"type":42,"coordinates":43},"Point",[44,45],34.81199,31.89421,{"lat":45,"lon":44},[48,49,50],{"name":22,"role":27,"phone":28,"phoneExt":10,"email":29},{"name":31,"role":27,"phone":32,"phoneExt":10,"email":33},{"name":22,"role":23,"phone":10,"phoneExt":10,"email":10},{"type":23,"investigatorFullName":52,"investigatorTitle":53,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Tal Ben-Ami","Head of Pediatric Hemato-Oncology","100585918","prevalence-of-ethnic-neutropenia-and-duffy-null-phenotype-in-neonates-100585918",false,"NCT06908616","Prevalence of Ethnic Neutropenia and Duffy Null Phenotype in Neonates","The Prevalence of Ethnic Neutropenia in Neonates","Inclusion Criteria:\n\n* Neonates born at Kaplan Medical Center between 1.9.2024 and 31.12.2025\n* Parental informed consent obtained\n* Umbilical cord blood available for routine testing\n\nExclusion Criteria:\n\n* None","ALL","1 Minute","1 Day",{"count":65,"type":66},1000,"ESTIMATED","OBSERVATIONAL","This is a prospective observational study designed to assess the prevalence of the Duffy null phenotype (associated with ethnic neutropenia) in neonates born at Kaplan Medical Center. Blood samples will be collected from umbilical cords (non-invasively) to evaluate Duffy antigen expression. Data on ethnicity, perinatal factors, and routine blood counts at 9-12 months (when available) will also be collected to correlate phenotype with absolute neutrophil count (ANC).",[70],"Neutropenia (Low White Blood Cell Count)",[72,73,74],"Neonates","Neutropenia","Duffy null associated count","2025-04-03",{"date":77,"type":78},"2025-04-06","ACTUAL",{"date":80,"type":78},"2024-10-08",{"date":82,"type":66},"2027-12-31",{"name":5,"class":6},1]