[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100627483":3},{"organization":4,"armGroups":7,"interventions":8,"overallOfficials":12,"centralContacts":23,"locations":30,"responsibleParty":44,"collaborators":7,"id":48,"slug":49,"hasResults":50,"nctId":51,"briefTitle":52,"officialTitle":52,"acronym":7,"eligibilityCriteria":53,"healthyVolunteers":50,"sex":54,"minAge":55,"maxAge":56,"enrollmentInfo":57,"targetDuration":7,"studyType":60,"phases":7,"briefSummary":61,"conditions":62,"keywords":7,"overallStatus":64,"whyStopped":7,"lastUpdateSubmitDate":65,"lastUpdatePostDateStruct":66,"startDateStruct":69,"completionDateStruct":71,"leadSponsor":73,"locationsCount":74},{"fullName":5,"class":6},"Cairo University","OTHER",null,[9],{"type":6,"name":10,"description":11,"armGroupLabels":7,"otherNames":7},"Questionnaire Administration","Participants complete the Arabic version of the 8-item Jaw Functional Limitation Scale (JFLS-8), along with reference measures (Visual Analogue Scale and Fonseca Anamnestic Index), to evaluate validity, reliability, feasibility, and cultural adaptation of the questionnaire.\n\nA subset of participants completes the JFLS-8 again after 2 days to assess test-retest reliability.",[13,17,21],{"name":14,"affiliation":15,"role":16},"Salwa Fadl Abdel Mageed, PhD","Professor, Cairo University","STUDY_CHAIR",{"name":18,"affiliation":19,"role":20},"Dina Sayed Abd Allah, PhD","Lecturer, Cairo University","STUDY_DIRECTOR",{"name":22,"affiliation":19,"role":20},"Eman Sayed Ahmed Shalaby, PhD",[24,29],{"name":25,"role":26,"phone":27,"phoneExt":7,"email":28},"Wafaa Hashem Ahmed Hasan, B.Sc","CONTACT","+20 10 50861450","wafaahashem859@gmail.com",{"name":18,"role":26,"phone":7,"phoneExt":7,"email":7},[31],{"facility":32,"status":7,"city":33,"state":7,"zip":7,"country":34,"countryCode":35,"cosmosGeoPoint":36,"geoPoint":41,"contacts":42},"El-Kasr Elainy jaw and dental clinics","Giza","Egypt","EG",{"type":37,"coordinates":38},"Point",[39,40],31.20861,30.00944,{"lat":40,"lon":39},[43],{"name":25,"role":26,"phone":27,"phoneExt":7,"email":28},{"type":45,"investigatorFullName":46,"investigatorTitle":47,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"PRINCIPAL_INVESTIGATOR","Wafaa Hashem Ahmed Hasan","Principal investigator","100627483","cross-cultural-adaptation-reliability-validity-of-the-arabic-version-of-8item-jaw-functional-limitation-scale-in-temporomandibular-joint-disorders-100627483",false,"NCT07449221","Cross Cultural Adaptation, Reliability &Validity of The Arabic Version of 8_Item Jaw Functional Limitation Scale In Temporomandibular Joint Disorders","Inclusion Criteria:\n\n* Patients aged 18 to 65 years .\n* Diagnosis of temporomandibular disorders ) jaw pain-popping sounds in the jaw -limited jaw movements - orofacial pain ) for one month at least, not receiving actual treatment for the orofacial region (splinting)\n* Being conscious and oriented.\n* Able to read and write in Arabic.\n* Both Genders were included.\n\nExclusion Criteria:\n\n* History of trauma (recent head or neck or TMJ severe trauma)\n* Recent surgery at the neck, head or TMJ\n* Diagnosed systemic and psychiatric diseases; diseases that may affect the TMJ, such as ankylosing spondylitis or rheumatoid arthritis; and pregnancy","ALL","18 Years","65 Years",{"count":58,"type":59},100,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to test if the translated Arabic version of the (jaw functional limitation scale -8) JFLS\\_8 , valid (face, content, feasibility) ,reliable (internal consistency, test retest) and culturally adapted enough to quantify the impact of temporomandibular joint (TMJ) disorders on jow function in arabic people or not?",[63],"Temporomandibular Joint Disorders","NOT_YET_RECRUITING","2026-02-27",{"date":67,"type":68},"2026-03-04","ACTUAL",{"date":70,"type":59},"2026-03-07",{"date":72,"type":59},"2026-05-15",{"name":5,"class":6},1]