[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100637260":3},{"organization":4,"armGroups":7,"interventions":24,"overallOfficials":29,"centralContacts":36,"locations":42,"responsibleParty":55,"collaborators":29,"id":59,"slug":60,"hasResults":61,"nctId":62,"briefTitle":63,"officialTitle":64,"acronym":29,"eligibilityCriteria":65,"healthyVolunteers":66,"sex":67,"minAge":68,"maxAge":69,"enrollmentInfo":70,"targetDuration":29,"studyType":73,"phases":74,"briefSummary":76,"conditions":77,"keywords":29,"overallStatus":80,"whyStopped":29,"lastUpdateSubmitDate":81,"lastUpdatePostDateStruct":82,"startDateStruct":85,"completionDateStruct":86,"leadSponsor":88,"locationsCount":89},{"fullName":5,"class":6},"Istanbul Gelisim University","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"Control Session","EXPERIMENTAL","Participants will complete baseline cognitive, respiratory, mood, and maximal breath-hold assessments without structured breath-hold exercise.",[13],"Other: Control Session",{"label":15,"type":10,"description":16,"interventionNames":17},"Land-Based Breath-Hold Training","Participants will perform land-based breath-hold exercises at 60% of individual maximal breath-hold capacity followed by post-intervention cognitive and mood assessments.",[18],"Behavioral: Land-Based Breath-Hold Training",{"label":20,"type":10,"description":21,"interventionNames":22},"Water-Based Breath-Hold Training","Participants will perform water-based breath-hold exercises in a swimming pool at 60% of individual maximal breath-hold capacity followed by post-intervention cognitive and mood assessments.",[23],"Behavioral: Water-Based Breath-Hold Training",[25,30,33],{"type":26,"name":15,"description":27,"armGroupLabels":28,"otherNames":29},"BEHAVIORAL","Participants will perform structured land-based breath-hold exercises consisting of repeated apnea efforts at 60% of individual maximal breath-hold capacity with standardized rest intervals.",[15],null,{"type":26,"name":20,"description":31,"armGroupLabels":32,"otherNames":29},"Participants will perform structured breath-hold exercises in a swimming pool environment consisting of repeated apnea efforts at 60% of individual maximal breath-hold capacity with standardized rest intervals.",[20],{"type":6,"name":9,"description":34,"armGroupLabels":35,"otherNames":29},"Participants will undergo baseline cognitive, respiratory, mood, and physiological assessments without structured apnea or breath-hold exercise intervention.",[9],[37],{"name":38,"role":39,"phone":40,"phoneExt":29,"email":41},"Görkem Açar, Ress. Asst.","CONTACT","+90 545 407 01 98","gacar@gelisim.edu.tr",[43],{"facility":5,"status":29,"city":44,"state":29,"zip":45,"country":46,"countryCode":29,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"Istanbul","34000","Turkey (Türkiye)",{"type":48,"coordinates":49},"Point",[50,51],28.94966,41.01384,{"lat":51,"lon":50},[54],{"name":38,"role":39,"phone":40,"phoneExt":29,"email":41},{"type":56,"investigatorFullName":57,"investigatorTitle":58,"investigatorAffiliation":5,"oldNameTitle":29,"oldOrganization":29},"PRINCIPAL_INVESTIGATOR","Görkem Açar","Ress. Asst.","100637260","cognitive-responses-to-acute-breath-hold-diving-training-in-female-divers-100637260",false,"NCT07616804","Cognitive Responses to Acute Breath-Hold Diving Training in Female Divers","Investigation of Cognitive Responses to Acute Breath-Hold Diving Training in Female Divers","Inclusion Criteria:\n\n* Licensed breath-hold or free-diving athletes\n* Aged between 18 and 30 years\n* Minimum of 5 years of training experience\n* No known cardiovascular or pulmonary disease\n* Non-smokers\n* Willing to participate voluntarily\n* Refraining from intense exercise within 24 hours before testing\n\nExclusion Criteria:\n\n* Use of performance-enhancing drugs or ergogenic aids\n* Presence of chronic sports injury\n* Alcohol consumption within 24 hours before testing\n* Caffeine intake within 2 hours before testing\n* Sleep deprivation or severe fatigue\n* Current medication use Fear of water or inability to complete breath-hold procedures",true,"ALL","18 Years","30 Years",{"count":71,"type":72},30,"ESTIMATED","INTERVENTIONAL",[75],"NA","This study aims to investigate the acute cognitive and physiological responses to breath-hold diving training in trained female divers. Participants will complete three separate sessions including a control session, a land-based breath-hold training session, and a water-based breath-hold training session in randomized order. Cognitive performance, mood state, heart rate responses, respiratory function, and maximal breath-hold capacity will be evaluated before and after the interventions. The study is expected to improve understanding of how acute apnea-based diving exercises influence cognitive functions and physiological adaptations under different environmental conditions.",[78,79],"Sport Physiology","Cognitive Performance","NOT_YET_RECRUITING","2026-05-27",{"date":83,"type":84},"2026-06-01","ACTUAL",{"date":83,"type":72},{"date":87,"type":72},"2026-09-15",{"name":5,"class":6},1]