Caffeine Vs. Carbohydrate Mouth Rinsing in Soccer (CAFMR-CHOMR)

Tokat Gaziosmanpasa University

Status: Completed

Conditions: Technical Skill; Cognitive Function; Soccer; Performance; Caffeine and Carbohydrate

Treatments: Other: Control; Other: CHO; Other: Caffeine

Study type: Interventional

Funder types: Other

Identifiers

NCT06881316

UGaziosmanpasa-1

Details and patient eligibility

About

The present study evaluated the influence of carbohydrate mouth-rinsing (CHO-MR), caffeine mouth-rinsing (CAF-MR), and control-substance mouth rinses on Loughborough soccer passing test (LSPT) performance. The study participants were involved in a randomized, double-blind, repeated-measures design that employed four sessions (familiarization, CHOMR, CAFMR, and CONT) over ten days at a testing facility. Participants took part in six test sessions 72 hours apart. In the CHO group, 6% w/v glucose solution was used. In the CAFF group, 6% w/v glucose solution was used. CONT group, only exercise was performed without any condition.

Full description

Participants were involved in a randomized, double-blind, repeated-measures design that employed four sessions (familiarization, LSPTCHO, LSPTCAFF, and LSPTCONT) over ten days at a testing facility. The initial session was an orientation, allowing participants to acclimate to the LSPT protocol and provide written informed consent. This session used water as a mouth rinse. Anthropometric data were also collected. Before the LSPT, participants completed 15-minute standardized warm-up sections, including jogging, sprinting, and integrating soccer-specific actions. The participants were asked to complete the LSPT at any time. During the tests, participants were blinded to the test scores. The following three sessions were test trials conducted between 15.00 h and 17.00 h at 32°C and 40% humidity. The participants performed the LSPT 72 h apart, LSPTCHO (6% w/v glucose solution), LSPTCAFF (1.2% w/v caffeine solution), and LSPTCONT conditions. Caffeine and CHO solutions were prepared in an equivalent saccharin base to ensure indistinguishability within the Falcon Sterile Tube and agitated for 30 seconds on a vortex mixer. Participants were instructed to avoid intense activity 24 hours before testing, observe a 2-hour fast before sessions, and abstain from caffeinated products on test days. All the test sessions were performed at 32°C and 40% humidity.

Enrollment: 20 patients

Sex: Male

Ages: 14 to 16 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Being healthy
• Male soccer players
• Willing to maintain the intervention for all sessions

Exclusion criteria

• Being under 14 years old
• Having a chronic disease
• Contraindication for caffeine mouth-rinsing (CAF-MR)
• Contraindication for carbohydrate mouth-rinsing (CHO-MR)
• Contraindications for exercise

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: Triple Blind

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20 participants in 3 patient groups

Caffeine Mouth Rinse Protocol (CAF-MR)

Experimental group

Description:

Caffeine solutions (1.2% w/v caffeine solution) were prepared in an equivalent saccharin base to ensure indistinguishability within the Falcon Sterile Tube and agitated for 30 seconds on a vortex mixer. Participants were instructed to avoid intense activity 24 hours before testing, observe a 2-hour fast before sessions, and abstain from caffeinated products on test days. The following three sessions were test trials conducted between 15.00 h and 17.00 h at 32°C and 40% humidity.

Treatment:

Other: Caffeine

CHO Mouth Rinse Protocol (CHO-MR)

Experimental group

Description:

CHO solutions (6% w/v glucose solution) were prepared in an equivalent saccharin base to ensure indistinguishability within the Falcon Sterile Tube and agitated for 30 seconds on a vortex mixer. Participants were instructed to avoid intense activity 24 hours before testing, observe a 2- hour fast before sessions, and abstain from caffeinated products on test days. The following three sessions were test trials conducted between 15.00 h and 17.00 h at 32°C and 40% humidity.

Treatment:

Other: CHO

Control Condition

Experimental group

Description:

Only exercise was performed without any condition.

Treatment:

Other: Control