[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100627483":3},{"organization":4,"armGroups":7,"interventions":8,"overallOfficials":12,"centralContacts":23,"locations":30,"responsibleParty":43,"collaborators":7,"id":47,"slug":7,"hasResults":48,"nctId":49,"briefTitle":50,"officialTitle":50,"acronym":7,"eligibilityCriteria":51,"healthyVolunteers":48,"sex":52,"minAge":53,"maxAge":54,"enrollmentInfo":55,"targetDuration":7,"studyType":58,"phases":7,"briefSummary":59,"conditions":60,"keywords":7,"overallStatus":62,"whyStopped":7,"lastUpdateSubmitDate":63,"lastUpdatePostDateStruct":64,"startDateStruct":67,"completionDateStruct":69,"leadSponsor":71,"locationsCount":72},{"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,"cosmosGeoPoint":35,"geoPoint":40,"contacts":41},"El-Kasr Elainy jaw and dental clinics","Giza","Egypt",{"type":36,"coordinates":37},"Point",[38,39],31.20861,30.00944,{"lat":39,"lon":38},[42],{"name":25,"role":26,"phone":27,"phoneExt":7,"email":28},{"type":44,"investigatorFullName":45,"investigatorTitle":46,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"PRINCIPAL_INVESTIGATOR","Wafaa Hashem Ahmed Hasan","Principal investigator","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":56,"type":57},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?",[61],"Temporomandibular Joint Disorders","NOT_YET_RECRUITING","2026-02-27",{"date":65,"type":66},"2026-03-04","ACTUAL",{"date":68,"type":57},"2026-03-07",{"date":70,"type":57},"2026-05-15",{"name":5,"class":6},1]