Clinical Trial

Phosphatidylserine, Taurine, and Caffeine for Cognitive Fatigue in Professional Football Players

Study acronym: TCPS-Foot
Active, Not Recruiting
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Summary
This randomized, double-blind, placebo-controlled, parallel-group trial will evaluate the effects of 28 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.
Protocol Amendment History 3 changes
critical Trial status changed: Not Yet Recruiting → Active, Not Recruiting 2026-08-15
minor Completion pushed: 2026-08 -> 2026-09-07 2026-08-15
notable Primary completion pushed: 2026-07 -> 2026-08 2026-08-04
Trial Details
NCT Number NCT07696052
Lead Sponsor Vizja University in Warsaw
Collaborators: Józef Piłsudski University of Physical Education
Conditions Mental Fatigue, Cognitive Performance, Athletic Performance, Soccer Performance, Decision Making
Enrollment 62 participants
Start Date 2026-08-06
Primary Completion 2026-08-10 (estimated)
Study Completion 2026-09-07 (estimated)
Updated on ClinicalTrials.gov 2026-08-14