[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"soccer-performance\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:soccer-performance":32},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":17,"sex":18,"minAge":19,"maxAge":20,"enrollmentInfo":21,"targetDuration":4,"studyType":24,"phases":25,"briefSummary":27,"conditions":28,"keywords":34,"overallStatus":47,"whyStopped":4,"lastUpdateSubmitDate":48,"lastUpdatePostDateStruct":49,"startDateStruct":52,"completionDateStruct":54,"leadSponsor":56,"locationsCount":59},"100053649","phosphatidylserine-taurine-and-caffeine-for-cognitive-fatigue-in-professional-football-players-100053649",false,"NCT07696052","Phosphatidylserine, Taurine, and Caffeine for Cognitive Fatigue in Professional Football Players","Neurocognitive Fatigue Resistance, Visual Search Efficiency, and Tactical Decision-Making After Phosphatidylserine-Containing Taurine-Caffeine Supplementation in Professional Male Football Players","TCPS-Foot","Inclusion Criteria:\n\n* Male professional outfield football players aged 18 to 37 years.\n* First-team players or selected U19 players aged 18 years or older who are regularly integrated into first-team training.\n* Regular participation in club training.\n* At least 5 years of systematic football training experience.\n* Free from injury or illness limiting full participation in training and testing.\n* Normal or corrected-to-normal vision.\n* Ability to complete the laboratory and field-based testing procedures.\n* Written informed consent provided before participation.\n\nExclusion Criteria:\n\n* Goalkeepers.\n* Current injury or illness limiting full participation in testing.\n* Neurological disease.\n* Recent concussion or head trauma.\n* Uncorrected visual impairment.\n* Use of phosphatidylserine, nootropic agents, or strong stimulants during the previous 4 weeks.\n* Non-standard caffeine intake on testing days.\n* Failure to comply with pre-test standardization procedures.\n* Failed eye-tracker calibration.\n* Loss of more than 30% of gaze data during the football-specific decision-making task.\n* Withdrawal of consent.",true,"MALE","18 Years","37 Years",{"count":22,"type":23},62,"ESTIMATED","INTERVENTIONAL",[26],"NA","This randomized, double-blind, placebo-controlled, parallel-group trial will evaluate the effects of 14 days of taurine-caffeine supplementation with or without phosphatidylserine on neurocognitive fatigue resistance, visual search efficiency, and football-specific tactical decision-making in professional male football players. Sixty-two male outfield football players from two professional clubs will be randomized to placebo, taurine plus caffeine, or taurine plus caffeine plus phosphatidylserine. Laboratory and field-based outcomes will be assessed at baseline and after the supplementation period.",[29,30,31,32,33],"Mental Fatigue","Cognitive Performance","Athletic Performance","Soccer Performance","Decision Making",[35,36,37,38,39,40,41,42,43,44,45,46],"Phosphatidylserine","Taurine","Caffeine","Football Players","Soccer","Neurocognitive Load","Visual Search","Eye Tracking","Tactical Decision-Making","Stroop Flanker Task","Reactive Passing Decision Test","Sports Nutrition","NOT_YET_RECRUITING","2026-07-09",{"date":50,"type":51},"2026-07-13","ACTUAL",{"date":53,"type":23},"2026-07",{"date":55,"type":23},"2026-08",{"name":57,"class":58},"Vizja University in Warsaw","OTHER",2]