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The Effect of Individual Sodium Citrate Consumption on Repeated Sprint Performance in Female Soccer Players

NCT07737327 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 20

Last updated 2026-07-30

No results posted yet for this study

Summary

The aim of this research is to determine whether sodium citrate supplementation, taken at the best individual time, would improve repeated sprint performance in professional female soccer players.

The main questions it aims to answer are:

1. Does sodium citrate improve sprint times, peak power, minimum power, and mean power during repeated sprints?
2. Does sodium citrate lower fatigue index (the drop in power across sprints) during repeated sprint exercise?
3. Does sodium citrate change blood bicarbonate, pH, and lactate levels before and after exercise?
4. Does sodium citrate affect how hard exercise feels (perceived exertion)?

Conditions

  • Exercise-Induced Fatigue
  • Athletic Performance
  • Soccer

Interventions

DIETARY_SUPPLEMENT

Sodium Citrate Oral Product

0.5 g/kg body weight of sodium citrate dissolved in flavored water, ingested orally. Exercise begins at individual peak blood bicarbonate time (T\_peak), determined through serial capillary blood sampling starting 90 minutes post-ingestion.

OTHER

Placebo

Sodium chloride (NaCl) at a taste-matched dose dissolved in flavored water, ingested orally. Exercise begins 120-150 minutes post-ingestion.

Sponsors & Collaborators

  • Hacettepe University

    lead OTHER

Principal Investigators

  • Hüseyin Hüsrev TURNAGÖL, Professor · Hacettepe University, Faculty of Sport Sciences

  • Muhammed M Atakan, Associate Professor · Hacettepe University

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
25 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-08-20
Primary Completion
2026-11-30
Completion
2027-02-01

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07737327 on ClinicalTrials.gov