Caffeinate Chewing Gum on Ice Hockey Performance

Not Applicable

Completed

• Conditions: Caffeine; Placebo
• Interventions: Dietary Supplement: caffeinate chewing gum

• Registration Number: NCT06557655
• Lead Sponsor: National Taiwan Sport University

Brief Summary

The purpose of this study was to examine the impact of caffeinated chewing gum on the physical performance of elite ice hockey players in a partial sleep deprivation state.

Detailed Description

This study used a randomisation crossover design with a single-blind, double-blind experimental design. The participants were randomly assigned to either a caffeinated chewing gum trial (CAF) or a placebo trial (PL).

Study Timeline

• Study Start: 2024-02-05
• Primary Completion: 2024-04-15
• Study Completion: 2024-04-30
• Status Verified: 2024-08
• Study First Submitted: 2024-08-14
• Study First Submitted QC: 2024-08-14
• Last Update Submitted: 2024-08-14
• Study First Posted: 2024-08-16
• Last Update Posted: 2024-08-16

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Male
• Target Recruitment: 14

Inclusion Criteria

• 1. 6 years of professional ice hockey training,
• 2. 6 months of continuous training,
• 3. 3 months of recovery from sports injuries such as strains and sprains

Exclusion Criteria

• 1. non-specialised ice hockey player.
• 2. has not trained regularly for the past 6 months.
• 3. has recovered from an athletic injury.
• 4. have been recovering from a sports injury for less than 3 months, or have epilepsy, hypertension, hyperlipidemia, heart disease, arthritis, osteoporosis, brain injury, or a history of caffeine allergy.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
caffeine gum	caffeinate chewing gum	15 minutes before exercise
placebo	caffeinate chewing gum	15 minutes before exercise

Primary Outcome Measures

Name	Time	Method
counter-movement jump	15 minutes after intervention	jump height

Secondary Outcome Measures

Name	Time	Method
35-metre sprint	15 minutes after intervention	complete time (seconds)

Trial Locations

Locations (1)

National Taiwan University of Sport; 🇨🇳 Taichung, Taiwan