[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100641572":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":15,"locations":26,"responsibleParty":49,"collaborators":10,"id":52,"slug":53,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":57,"acronym":58,"eligibilityCriteria":59,"healthyVolunteers":60,"sex":61,"minAge":10,"maxAge":62,"enrollmentInfo":63,"targetDuration":10,"studyType":66,"phases":10,"briefSummary":67,"conditions":68,"keywords":71,"overallStatus":29,"whyStopped":10,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"University of British Columbia","OTHER",[8,12],{"label":9,"type":10,"description":11,"interventionNames":10},"Fall group\u002Fcohort",null,"Infants exposed to RSV \\\u003C4 months of age (born September-November)",{"label":13,"type":10,"description":14,"interventionNames":10},"Spring group\u002Fcohort","Infants exposed to RSV \\>6-9 months of age (born April-June)",[16,21],{"name":17,"role":18,"phone":19,"phoneExt":10,"email":20},"Pascal Lavoie, MDCM PhD FRCPC","CONTACT","604-875-2135","plavoie@bcchr.ca",{"name":22,"role":18,"phone":23,"phoneExt":24,"email":25},"Allison Watts, PhD","604-875-2000","6705","awatts@bcchr.ca",[27],{"facility":28,"status":29,"city":30,"state":31,"zip":32,"country":33,"countryCode":34,"cosmosGeoPoint":35,"geoPoint":40,"contacts":41},"BC Women's Hospital and Health Centre","RECRUITING","Vancouver","British Columbia","V6H 3N1","Canada","CA",{"type":36,"coordinates":37},"Point",[38,39],-123.11934,49.24966,{"lat":39,"lon":38},[42,46,47],{"name":43,"role":18,"phone":44,"phoneExt":45,"email":20},"Pascal Lavoie, MD PhD","(604) 875-2000","7318",{"name":22,"role":18,"phone":19,"phoneExt":10,"email":25},{"name":43,"role":48,"phone":10,"phoneExt":10,"email":10},"PRINCIPAL_INVESTIGATOR",{"type":48,"investigatorFullName":50,"investigatorTitle":51,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Pascal Lavoie","Professor and Neonatologist","100641572","infant-rsv-immunity-study-100641572",false,"NCT07653347","Infant RSV Immunity Study","Understanding the Impact of Early-life RSV Infections on Infant Immunity and Long-term Health","IRIS","Inclusion Criteria:\n\nBirthing parent\u002Fchild pairs with a delivery date in April, May or June or September, October or November who delivered or are planning to deliver at BC Women's Hospital + Health Centre or a nearby, local hospital.\n\nExclusion Criteria:\n\nSevere pregnancy-related complications or chronic medical conditions in the children making them automatically eligible to receiving RSV immunoprophylaxis in British Columbia (e.g. infants born prematurely \\\u003C 35 weeks of gestation, or with chronic medical conditions).",true,"ALL","6 Months",{"count":64,"type":65},300,"ESTIMATED","OBSERVATIONAL","Respiratory Syncytial Virus (RSV) is a main global cause of respiratory illness and death in infants. Previous infant vaccine trials have failed to demonstrate protection. Moreover, RSV infection during early infancy, particularly in infants younger than 4 months of age, is associated with more severe disease, reduced immune protection, and an increased risk of developing childhood asthma. This study aim to investigate the immunological and long-term health effects of a first exposure to RSV early (\\\u003C4 months) versus late (\\>6-9 months) in infancy.",[69,70],"Respiratory Synctial Virus","Asthma Childhood",[72,73,74,75],"cohort study","Immune response","infants","season of birth","2026-06-11",{"date":78,"type":79},"2026-06-17","ACTUAL",{"date":81,"type":79},"2026-01-15",{"date":83,"type":65},"2029-12-01",{"name":5,"class":6},1]