[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"diagnostic-techniques\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:diagnostic-techniques":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,42],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":20,"targetDuration":4,"studyType":23,"phases":4,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":29,"whyStopped":4,"lastUpdateSubmitDate":30,"lastUpdatePostDateStruct":31,"startDateStruct":34,"completionDateStruct":36,"leadSponsor":38,"locationsCount":41},"100648766","single-center-study-evaluating-the-impact-of-age-on-the-diagnostic-performance-of-the-sural-to-radial-sensory-amplitude-ratio-in-length-dependent-and-non-length-dependent-peripheral-polyneuropathies-100648766",false,"NCT07725120","Single-Center Study Evaluating the Impact of Age on the Diagnostic Performance of the Sural-to-Radial Sensory Amplitude Ratio in Length-Dependent and Non-Length-Dependent Peripheral Polyneuropathies","Retrospective Single-Center Study Evaluating the Impact of Age on the Diagnostic Performance of the Sural-to-Radial Sensory Amplitude Ratio in Length-Dependent and Non-Length-Dependent Peripheral Polyneuropathies","ASPIRE","Inclusion Criteria:\n\n* Adults aged 18 years or older.\n* Diagnosis of peripheral sensory polyneuropathy.\n* Classification as length-dependent (LDN) or non-length-dependent (NLDN) based on clinical and electrophysiological findings.\n* Available nerve conduction study including sural and radial sensory nerve amplitudes allowing calculation of the SRAR.\n* Evaluated at the Peripheral Neuromuscular Rare Disease Reference Center, Nice University Hospital, between January 2013 and July 2026.\n\nExclusion Criteria:\n\n* Missing or incomplete clinical or electrophysiological data preventing SRAR calculation.\n* Unclassifiable neuropathy phenotype.\n* Technical factors affecting the reliability of nerve conduction studies.","ALL","18 Years","90 Years",{"count":21,"type":22},180,"ESTIMATED","OBSERVATIONAL","This retrospective single-center observational study will evaluate the impact of age on the diagnostic performance of the sural-to-radial sensory nerve amplitude ratio (SRAR) in patients with length-dependent and non-length-dependent peripheral sensory polyneuropathies. Clinical and electrophysiological data collected during routine care between January 2013 and July 2026 will be analyzed. Diagnostic performance will be assessed using receiver operating characteristic (ROC) curve analysis across predefined age groups to determine whether age-adjusted SRAR thresholds improve the differentiation between the two polyneuropathy phenotypes.",[26,27,28],"Polyneuropathies","Electromyography","Diagnostic Techniques","NOT_YET_RECRUITING","2026-07-21",{"date":32,"type":33},"2026-07-24","ACTUAL",{"date":35,"type":22},"2026-09-01",{"date":37,"type":22},"2026-12-31",{"name":39,"class":40},"Centre Hospitalier Universitaire de Nice","OTHER",1,{"id":43,"slug":44,"hasResults":11,"nctId":45,"briefTitle":46,"officialTitle":46,"acronym":4,"eligibilityCriteria":47,"healthyVolunteers":48,"sex":17,"minAge":4,"maxAge":49,"enrollmentInfo":50,"targetDuration":4,"studyType":52,"phases":53,"briefSummary":55,"conditions":56,"keywords":4,"overallStatus":61,"whyStopped":4,"lastUpdateSubmitDate":62,"lastUpdatePostDateStruct":63,"startDateStruct":65,"completionDateStruct":67,"leadSponsor":69,"locationsCount":5},"100517537","urine-and-ultrasound-screening-for-kidney-disease-in-children-100517537","NCT06018831","Urine and Ultrasound Screening for Kidney Disease in Children","Inclusion Criteria:\n\n* All consecutive live newborn infants(regardless of physical condition)\n* Complete at least 3 years of follow-up\n\nExclusion Criteria:\n\n* Declining the screening\n* Missing",true,"6 Years",{"count":51,"type":22},13000,"INTERVENTIONAL",[54],"NA","The aim of this study is to early detect kidney disease in the natural population cohort of children by urine and ultrasound screening, to assist in the precise prevention and treatment of children's kidney disease, and to establish a risk prediction system for children's kidney disease. About 10,000 children called KunQi Cohort are born in Jiangsu Province(8,000 in Kunshan and 2,000 in Qidong) and about 3,000 born in Shanghai. Through the project, child who is found with abnormal urine or ultrasound result will be referred to Children's Hospital of Fudan University to get further examination and treatment.",[57,28,58,59,60],"Kidney Diseases","Ultrasound","Urinalysis","Child, Only","RECRUITING","2026-03-24",{"date":64,"type":33},"2026-03-27",{"date":66,"type":33},"2022-04-12",{"date":68,"type":22},"2028-02",{"name":70,"class":40},"Children's Hospital of Fudan University"]