[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100647562":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":24,"centralContacts":28,"locations":10,"responsibleParty":34,"collaborators":10,"id":36,"slug":37,"hasResults":38,"nctId":39,"briefTitle":40,"officialTitle":41,"acronym":10,"eligibilityCriteria":42,"healthyVolunteers":38,"sex":43,"minAge":44,"maxAge":10,"enrollmentInfo":45,"targetDuration":10,"studyType":48,"phases":10,"briefSummary":49,"conditions":50,"keywords":52,"overallStatus":59,"whyStopped":10,"lastUpdateSubmitDate":60,"lastUpdatePostDateStruct":61,"startDateStruct":64,"completionDateStruct":66,"leadSponsor":68,"locationsCount":10},{"fullName":5,"class":6},"Regeneron Pharmaceuticals","INDUSTRY",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Part A",null,"Cat allergy",[13],"Other: Noninterventional",{"label":15,"type":10,"description":16,"interventionNames":17},"Part B","Birch allergy",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":10},"OTHER","Noninterventional","No investigational medicinal products will be administered in this study.",[9,15],[25],{"name":26,"affiliation":5,"role":27},"Clinical Trial Management","STUDY_DIRECTOR",[29],{"name":30,"role":31,"phone":32,"phoneExt":10,"email":33},"Clinical Trials Administrator","CONTACT","844-734-6643","clinicaltrials@regeneron.com",{"type":35,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100647562","a-study-to-identify-and-characterize-adults-and-pediatric-participants-with-cat-andor-birch-allergy-100647562",false,"NCT07710846","A Study to Identify and Characterize Adults and Pediatric Participants With Cat and\u002For Birch Allergy","Patient Identification and Characterization (PIC) Study: A Prospective, Multicenter, Non-Interventional Study to Identify and Characterize Participants With Allergic Conjunctivitis With or Without Allergic Rhinitis Due to Cat and\u002For Birch Allergy","Key Inclusion Criteria:\n\n1. Adults or pediatric participants, ≥5 years of age inclusive (pediatric participants ≥5 years and \\\u003C18 years and weighing ≥10 kg, to be enrolled where permitted per local regulations\u002Fapprovals), at the time of signing the informed consent\n2. Participant-reported (and\u002For caregiver-reported for pediatric participants) and\u002For documented allergic history as described in the protocol\n3. Positive Skin Prick Test (SPT) at screening: to cat allergen (Part A) and\u002For to birch allergen (Part B)\n4. Must not currently live with a cat(s) or have lived with a cat(s) in the home for the past 1 year (Part A)\n5. Willing and able to comply with clinic visit(s) and study-related assessments\n\nKey Exclusion Criteria:\n\n1. Presence of any ophthalmic disease\u002Fabnormality\u002Fcondition that may interfere with study assessments, affect the study outcomes or participant safety as described in the protocol\n2. History of life-threatening asthma, defined as an asthma episode that required intubation and\u002For was associated with hypercapnia, respiratory arrest, and\u002For hypoxic seizures\n3. Active, chronic infections requiring long-term use of systemic antibiotics, antivirals, or anti-fungal treatments\n\nNote: Other Protocol Defined Inclusion\u002F Exclusion Criteria Apply","ALL","5 Years",{"count":46,"type":47},1500,"ESTIMATED","OBSERVATIONAL","The purpose of this Patient Identification and Characterization (PIC) study is to collect information and perform limited allergy-related procedures to determine if participants can qualify for cat and\u002For birch tree pollen allergy clinical research studies in the future. The study is also looking at how cat and\u002For birch tree pollen allergies have affected overall health.",[51],"Conjunctivitis Allergic",[53,11,54,55,56,57,58],"Cat and\u002For birch allergen induced allergic conjunctivitis","Birch pollen allergy","Eye allergy","Cat-induced eye allergy","Ocular allergy signs\u002Fsymptoms","Allergic conjunctivitis signs\u002Fsymptoms","NOT_YET_RECRUITING","2026-07-13",{"date":62,"type":63},"2026-07-17","ACTUAL",{"date":65,"type":47},"2026-08-17",{"date":67,"type":47},"2028-01-10",{"name":5,"class":6}]