[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100053649":3},{"organization":4,"armGroups":7,"interventions":26,"overallOfficials":31,"centralContacts":38,"locations":44,"responsibleParty":69,"collaborators":31,"id":72,"slug":73,"hasResults":74,"nctId":75,"briefTitle":76,"officialTitle":77,"acronym":78,"eligibilityCriteria":79,"healthyVolunteers":80,"sex":81,"minAge":82,"maxAge":83,"enrollmentInfo":84,"targetDuration":31,"studyType":87,"phases":88,"briefSummary":90,"conditions":91,"keywords":97,"overallStatus":110,"whyStopped":31,"lastUpdateSubmitDate":111,"lastUpdatePostDateStruct":112,"startDateStruct":115,"completionDateStruct":117,"leadSponsor":119,"locationsCount":120},{"fullName":5,"class":6},"Vizja University in Warsaw","OTHER",[8,14,20],{"label":9,"type":10,"description":11,"interventionNames":12},"Placebo","PLACEBO_COMPARATOR","Participants randomized to this arm will receive an inert placebo for 14 days. The placebo will be provided in identical coded packs matched for appearance, number of units, and packaging with the active supplements.",[13],"Dietary Supplement: Placebo",{"label":15,"type":16,"description":17,"interventionNames":18},"Taurine Plus Caffeine","ACTIVE_COMPARATOR","Participants randomized to this arm will receive taurine 1500 mg\u002Fday plus caffeine 200 mg\u002Fday for 14 days. On training and testing days, the supplement will be consumed approximately 60 minutes before the main training session or testing procedure. On non-training days, it will be consumed at a consistent morning time.",[19],"Dietary Supplement: Taurine Plus Caffeine",{"label":21,"type":22,"description":23,"interventionNames":24},"Taurine, Caffeine, and Phosphatidylserine","EXPERIMENTAL","Participants randomized to this arm will receive taurine 1500 mg\u002Fday plus caffeine 200 mg\u002Fday plus phosphatidylserine 600 mg\u002Fday for 14 days. On training and testing days, the supplement will be consumed approximately 60 minutes before the main training session or testing procedure. On non-training days, it will be consumed at a consistent morning time.",[25],"Dietary Supplement: Taurine, Caffeine, and Phosphatidylserine",[27,32,35],{"type":28,"name":9,"description":29,"armGroupLabels":30,"otherNames":31},"DIETARY_SUPPLEMENT","Inert placebo matched with the active supplements for appearance, number of units, and packaging. The placebo will be administered for 14 days.",[9],null,{"type":28,"name":15,"description":33,"armGroupLabels":34,"otherNames":31},"Taurine 1500 mg\u002Fday plus caffeine 200 mg\u002Fday administered for 14 days. On training and testing days, the supplement will be consumed approximately 60 minutes before the main training session or testing procedure. On non-training days, it will be consumed at a consistent morning time.",[15],{"type":28,"name":21,"description":36,"armGroupLabels":37,"otherNames":31},"Taurine 1500 mg\u002Fday plus caffeine 200 mg\u002Fday plus phosphatidylserine 600 mg\u002Fday administered for 14 days. On training and testing days, the supplement will be consumed approximately 60 minutes before the main training session or testing procedure. On non-training days, it will be consumed at a consistent morning time.",[21],[39],{"name":40,"role":41,"phone":42,"phoneExt":31,"email":43},"Krzysztof Maciej Mizera, PhD","CONTACT","+48508356718","krzysztofmizera@o2.pl",[45,59],{"facility":46,"status":31,"city":47,"state":31,"zip":31,"country":48,"countryCode":49,"cosmosGeoPoint":50,"geoPoint":55,"contacts":56},"Professional Football Training Center","Lodz","Poland","PL",{"type":51,"coordinates":52},"Point",[53,54],19.47395,51.77058,{"lat":54,"lon":53},[57],{"name":58,"role":41,"phone":42,"phoneExt":31,"email":43},"Krzysztof Mizera",{"facility":46,"status":31,"city":60,"state":31,"zip":31,"country":48,"countryCode":49,"cosmosGeoPoint":61,"geoPoint":65,"contacts":66},"Warsaw",{"type":51,"coordinates":62},[63,64],21.01178,52.22977,{"lat":64,"lon":63},[67],{"name":68,"role":41,"phone":42,"phoneExt":31,"email":43},"Krzysztof Mizera, PhD",{"type":70,"investigatorFullName":58,"investigatorTitle":71,"investigatorAffiliation":5,"oldNameTitle":31,"oldOrganization":31},"PRINCIPAL_INVESTIGATOR","Principal Investigator and Assistant Professor","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":85,"type":86},62,"ESTIMATED","INTERVENTIONAL",[89],"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.",[92,93,94,95,96],"Mental Fatigue","Cognitive Performance","Athletic Performance","Soccer Performance","Decision Making",[98,99,100,101,102,103,104,105,106,107,108,109],"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":113,"type":114},"2026-07-13","ACTUAL",{"date":116,"type":86},"2026-07",{"date":118,"type":86},"2026-08",{"name":5,"class":6},2]