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NCT05883046 Clinical Trial

The Acute Effects of Combined Caffeine and Sodium Bicarbonate Consumption on Isometric Mid-thigh Pull

Athletes Clinical Trial

Official title:
The Acute Effects of Pre-Exercise Isolated and Combined Caffeine and Sodium Bicarbonate Consumption on Isometric Mid-thigh Pull Performance: A Placebo-Controlled Study

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT05883046
Other study ID # BozokU-SBF-IK-01
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 7, 2022
Est. completion date March 12, 2022

Study information
Verified date May 2023
Source Bozok University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study was to investigate the effects of isolated and combined caffeine and sodium bicarbonate consumption on acute isometric mid-thigh pull (IMTP) strength, and verify whether they are cumulative, neutral or subtractive.

Description:

Method: Nineteen Sport Sciences Faculty students (Age 23.6±1.6 years, height 171±9.4 cm, weight 64.3±9.6 kg, fat percentage 20.5±7.3 %, BMI 21.7±2.4 kg/m2) participated and completed the intervention. This study was designed as crossover, double-blind and placebo-controlled. Subjects participated under 5 crossover conditions: control (without supplement) (Con), placebo (Pla), caffeine (Caf), sodium bicarbonate (NaHCO3) and caffeine+sodium bicarbonate (Caf+NaHCO3). For Caf conditions, participants consumed 6 mg/kg of caffeine, obtained from dosing the content of 200 mg capsules. As for NaHCO3 conditions, participants consumed 0.3 g/kg of sodium bicarbonate dissolved in water. For the combined condition, (Caf+NaHCO3), intake was set at 6 mg of caffeine and 0.3 g of sodium bicarbonate per kilogram of body weight. All supplements were consumed 60 min before the tests. Two submaximal trials of IMTP were performed at increasing intensities for 5 seconds (approximately %40-60 and %60-80 of their individually perceived 1RM, respectively, with 60-second rest intervals).

Recruitment information / eligibility
Status Completed
Enrollment 19
Est. completion date March 12, 2022
Est. primary completion date March 8, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 24 Years
Eligibility Inclusion Criteria: - Being physically active and healthy - Did not use ergogenic supplements in the last 3 months - Did not consume high doses of caffeine (=120-170 mg/d) were included in this study Exclusion Criteria: - Actively using supplements - Did not perform maximal effort during performance tests - Not using the supplements in the correct dose or vomiting after use

Study Design

Related Conditions & MeSH terms

Intervention

Other:
• Performance-Enhancing Substances
All supplements were consumed 60 min before the isometric mid-thigh pull tests, to reach peak blood concentrations at evaluation time. Immediately after consumption, both Control and intervention participants rested in a quiet laboratory environment (Eskisehir Technical University, Laboratory of Human Athletic Performance), until the strength tests. Participants were previously informed verbally and in writing that they should abstain from caffeine consumption (any caffeine-containing beverages and foods, such as coffee or tea, energy drinks, cocoa and cocoa-containing foods, chocolate and chocolate-containing foods or caffeine-containing drugs) for at least 24 hours before
• Placebo
20gr of maltodextrin (European origin, Alfasol®, Kimbiotek, Turkey)
• Baseline (Control)
No supplement conditions

Locations
Country Name City State
Turkey Faculty of Sport Sciences Eskisehir Technical University Eskisehir Tepebasi

Sponsors (1)
Lead Sponsor Collaborator
Bozok University

Country where clinical trial is conducted

Turkey, 

Outcome
Type Measure Description Time frame Safety issue
Primary Isometric Mid-Thigh Pull (IMTP) to investigate the effects of isolated and combined caffeine and sodium bicarbonate consumption on acute isometric mid-thigh pull (IMTP) strength, and verify whether they are cumulative, neutral or subtractive immediately after the intervention
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