[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100602084":3},{"organization":4,"armGroups":7,"interventions":23,"overallOfficials":28,"centralContacts":33,"locations":44,"responsibleParty":66,"collaborators":68,"id":71,"slug":72,"hasResults":73,"nctId":74,"briefTitle":75,"officialTitle":76,"acronym":22,"eligibilityCriteria":77,"healthyVolunteers":78,"sex":79,"minAge":80,"maxAge":81,"enrollmentInfo":82,"targetDuration":22,"studyType":85,"phases":86,"briefSummary":88,"conditions":89,"keywords":94,"overallStatus":47,"whyStopped":22,"lastUpdateSubmitDate":101,"lastUpdatePostDateStruct":102,"startDateStruct":105,"completionDateStruct":107,"leadSponsor":109,"locationsCount":110},{"fullName":5,"class":6},"Abant Izzet Baysal University","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"Dehydration + Dehydrated Night Trial","EXPERIMENTAL","In this trial 3% weight loss will be achieved with sauna application by taking the body weights recorded in the pre-test as a reference. Following the dehydration application, all measurements taken in the pre-test before the application will be repeated in order after approximately 45 minutes.\n\nAthletes will be permitted to engage in a routine night without rehydration. During this period, their sleep quality will be recorded with a sleep tracker. The next day in the morning, all measurements taken in the pre-test will be repeated in order to evaluate the effect of dehydration and the possible negative effect of dehydration on sleep quality on the dependent variables. Following the completion of the morning measurements, the athletes will be permitted to consume fluids and food within two hours in order to reach their body weights in the pre-test. All tests will be reapplied for the last time to the athletes who have reached the state of rehydration, respectively.",[13],"Other: Rapid weight loss through dehydration",{"label":15,"type":10,"description":16,"interventionNames":17},"Dehydration + Rehydrated Night Trial","In this trial 3% weight loss will be achieved with sauna application by taking the body weights recorded in the pre-test as a reference. Following the dehydration application, all measurements taken in the pre-test before the application will be repeated in order after approximately 45 minutes, with the athlete refraining from consuming any food or liquid. Athletes will be permitted to rehydrate after the second measurements and will be asked to spend a routine night. The remaining tests will be repeated in accordance with the experimental trial 1 protocol.",[13],{"label":19,"type":20,"description":21,"interventionNames":22},"Control Trial","NO_INTERVENTION","No intervention will be conducted. All tests to be used to measure dependent variables will be conducted in accordance with the Experimental trial 1 protocol.",null,[24],{"type":6,"name":25,"description":26,"armGroupLabels":27,"otherNames":22},"Rapid weight loss through dehydration","Dehydration will be induced by exposing athletes to sauna heat with an average temperature of 70-80°C. The participants will undergo consecutive 15 minute sessions in sauna with 5 minute breaks until 3% weight loss is achieved. No liquids or food will be consumed between sessions.",[9,15],[29],{"name":30,"affiliation":31,"role":32},"Umid Karli, PhD","Bolu Abant İzzet Baysal University, Faculty of Sport Sciences, Department of Coaching Education","PRINCIPAL_INVESTIGATOR",[34,39],{"name":30,"role":35,"phone":36,"phoneExt":37,"email":38},"CONTACT","+90 374 254 10 00","7501","karli_u@ibu.edu.tr",{"name":40,"role":35,"phone":41,"phoneExt":42,"email":43},"Kutlu Aydın, PhD","+90374 254 10 00","7532","aydin_k@ibu.edu.tr",[45],{"facility":46,"status":47,"city":48,"state":22,"zip":49,"country":50,"countryCode":22,"cosmosGeoPoint":51,"geoPoint":56,"contacts":57},"Bolu Abant İzzet Baysal University, Faculty of Sport Sciences,","RECRUITING","Bolu","14030","Turkey (Türkiye)",{"type":52,"coordinates":53},"Point",[54,55],31.60611,40.73583,{"lat":55,"lon":54},[58,59,61,64],{"name":30,"role":35,"phone":22,"phoneExt":22,"email":38},{"name":60,"role":32,"phone":22,"phoneExt":22,"email":22},"Umid Karlı, Phd",{"name":62,"role":63,"phone":22,"phoneExt":22,"email":22},"Semih Karaman, Ms","SUB_INVESTIGATOR",{"name":65,"role":63,"phone":22,"phoneExt":22,"email":22},"Koray Gökmen, Ms",{"type":67,"investigatorFullName":22,"investigatorTitle":22,"investigatorAffiliation":22,"oldNameTitle":22,"oldOrganization":22},"SPONSOR",[69],{"name":70,"class":6},"The Scientific and Technological Research Council of Turkey","100602084","effect-of-dehydration-on-sleep-quality-cognitive-skills-and-electromyographic-responses-in-combat-athletes-100602084",false,"NCT07118904","Effect of Dehydration on Sleep Quality, Cognitive Skills, and Electromyographic Responses in Combat Athletes","The Effect of Acute Dehydration on Sleep Quality, Cognitive Skills, and Electromyographic Responses During Maximum Contraction in Combat Athletes","Inclusion Criteria:\n\n* Voluntary participation\n* Being combat athletes with prior rapid weight loss experience\n* No existing health conditions\n* No orthopedic injuries\n\nExclusion Criteria:\n\n* Using of sleep-related medications\n* Complications During the Intervention: Participants who experience any complications during experimental intervention.",true,"MALE","17 Years","28 Years",{"count":83,"type":84},12,"ESTIMATED","INTERVENTIONAL",[87],"NA","This study examines the effects of rapid dehydration-induced weight loss on combat athletes' sleep quality, cognitive skills, and isokinetic strength performance. The research documents both benefits and risks of weight-cutting practices for athletes, coaches, and medical staff in weight-class sports. Findings will guide safer weight management approaches and inform potential revisions to international weigh-in protocols, while contributing valuable insights to sports science.",[90,91,92,93],"Dehydration","Weight Loss","Weight Cycling","Sleep",[95,96,97,98,99,100],"Athletic Performance","Cognitive Skills","Sleep Quality","Isokinetic strength","EMG Response","Anticipation Time","2026-03-12",{"date":103,"type":104},"2026-03-16","ACTUAL",{"date":106,"type":104},"2025-08-18",{"date":108,"type":84},"2026-08-30",{"name":5,"class":6},1]