[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100097993":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":15,"centralContacts":19,"locations":25,"responsibleParty":43,"collaborators":46,"id":50,"slug":10,"hasResults":51,"nctId":52,"briefTitle":53,"officialTitle":54,"acronym":10,"eligibilityCriteria":55,"healthyVolunteers":51,"sex":56,"minAge":10,"maxAge":10,"enrollmentInfo":57,"targetDuration":10,"studyType":60,"phases":10,"briefSummary":61,"conditions":62,"keywords":64,"overallStatus":27,"whyStopped":10,"lastUpdateSubmitDate":71,"lastUpdatePostDateStruct":72,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":80},{"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,"cosmosGeoPoint":32,"geoPoint":37,"contacts":38},"RECRUITING","Chicago","Illinois","60611","United States",{"type":33,"coordinates":34},"Point",[35,36],-87.65005,41.85003,{"lat":36,"lon":35},[39,41],{"name":40,"role":22,"phone":23,"phoneExt":10,"email":24},"Seyi Adeolu",{"name":42,"role":18,"phone":10,"phoneExt":10,"email":10},"M.-Marsel Mesulam, MD",{"type":18,"investigatorFullName":44,"investigatorTitle":45,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Marsel Mesulam","Director, Mesulam Center for Cognitive Neurology and Alzheimer's Disease",[47],{"name":48,"class":49},"National Institute on Aging (NIA)","NIH","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":58,"type":59},500,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to further define the neurological and linguistic deterioration in primary progressive aphasia.",[63],"Primary Progressive Aphasia",[65,66,67,68,69,70],"primary progressive aphasia","frontotemporal dementia","semantic dementia","progressive nonfluent aphasia","progressive aphasia","frontotemporal lobar degeneration","2026-02-24",{"date":73,"type":74},"2026-02-27","ACTUAL",{"date":76,"type":74},"2007-05",{"date":78,"type":59},"2027-04",{"name":5,"class":6},1]