[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100097993":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":15,"centralContacts":19,"locations":25,"responsibleParty":44,"collaborators":47,"id":51,"slug":52,"hasResults":53,"nctId":54,"briefTitle":55,"officialTitle":56,"acronym":10,"eligibilityCriteria":57,"healthyVolunteers":53,"sex":58,"minAge":10,"maxAge":10,"enrollmentInfo":59,"targetDuration":10,"studyType":62,"phases":10,"briefSummary":63,"conditions":64,"keywords":66,"overallStatus":27,"whyStopped":10,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":82},{"fullName":5,"class":6},"Northwestern University","OTHER",[8,12],{"label":9,"type":10,"description":11,"interventionNames":10},"PPA (Primary Progressive Aphasia)",null,"Individuals with primary progressive aphasia",{"label":13,"type":10,"description":14,"interventionNames":10},"Control","Individuals with no diagnosis of any type of dementia",[16],{"name":17,"affiliation":5,"role":18},"Marsel Mesulam, MD","PRINCIPAL_INVESTIGATOR",[20],{"name":21,"role":22,"phone":23,"phoneExt":10,"email":24},"Elizabeth A Haynes","CONTACT","312-503-2398","PPA.Research@northwestern.edu",[26],{"facility":5,"status":27,"city":28,"state":29,"zip":30,"country":31,"countryCode":32,"cosmosGeoPoint":33,"geoPoint":38,"contacts":39},"RECRUITING","Chicago","Illinois","60611","United States","US",{"type":34,"coordinates":35},"Point",[36,37],-87.65005,41.85003,{"lat":37,"lon":36},[40,42],{"name":41,"role":22,"phone":23,"phoneExt":10,"email":24},"Seyi Adeolu",{"name":43,"role":18,"phone":10,"phoneExt":10,"email":10},"M.-Marsel Mesulam, MD",{"type":18,"investigatorFullName":45,"investigatorTitle":46,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Marsel Mesulam","Director, Mesulam Center for Cognitive Neurology and Alzheimer's Disease",[48],{"name":49,"class":50},"National Institute on Aging (NIA)","NIH","100097993","language-in-primary-progressive-aphasia-100097993",false,"NCT00537004","Language in Primary Progressive Aphasia","Asymmetric Neurodegeneration and Language in Primary Progressive Aphasia","Inclusion Criteria:\n\n* Diagnosis of primary progressive aphasia\n* Right-handed\n* Native English speaker\n* Visual acuity of 20\u002F30 corrected\n* Adequate hearing to follow conversation\n* Safe for an MRI scan\n\nExclusion Criteria:\n\n* Left-handedness\n* Claustrophobia\n* Presence of significant medical illness that initially or in the future could interfere with continued participation in the study","ALL",{"count":60,"type":61},500,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to further define the neurological and linguistic deterioration in primary progressive aphasia.",[65],"Primary Progressive Aphasia",[67,68,69,70,71,72],"primary progressive aphasia","frontotemporal dementia","semantic dementia","progressive nonfluent aphasia","progressive aphasia","frontotemporal lobar degeneration","2026-02-24",{"date":75,"type":76},"2026-02-27","ACTUAL",{"date":78,"type":76},"2007-05",{"date":80,"type":61},"2027-04",{"name":5,"class":6},1]