Clinical trials: Cyclists
Supplementation, Cyclists
The Efficacy β-Alanine Supplementation in Performance Outcomes of Road Professional Endurance Cyclists
A double-blind, placebo-controlled, randomised, with two arms (product and placebo) unicentric clinical trial to analyse the efficacy on physical performance parameters of a product designed for sport during a lapse of two weeks…
- Trial name
- ELITE (NCT04427319)
- Testing
- β-alanine, wheat semolina
- Where
- Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Erectile Dysfunction, Azoospermia
Trial to Evaluate Erectile Function, Fertility and Sperm Count in Male Cyclists Compared to Age Matched Controls
Bicycle riding is associated with related diverse urogenital symptoms ranging from genital numbness to erectile dysfunction (ED).
- Trial name
- NCT00282477
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Endurance Cycling Performance
The Effect of Diet Composition on Performance, Expenditure, Blood Lipids, and Appetite Hormones in Highly Trained Cyclists
This study employs a crossover design to evaluate the effect of two different diets (high carbohydrate vs. ketogenic) and corresponding test meals on endurance exercise performance, energy expenditure including resting metabolic…
- Trial name
- DCAP (NCT04097171)
- Testing
- Diet
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Texas Christian University
Performance
Modifications in the Anaerob Threshold in Cyclists by Consuming Docosahexaenoic Acid (DHA)
In a double-blind, parallel randomized clinical trial with 38 cyclists in whom the performance improvement was determined after the consumption of docosahexaenoic acid for one month.
- Trial name
- MATCY (NCT04128449)
- Testing
- docosahexaenoic acid
- Where
- Spain
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Exercise, Endurance Cycling Performance
Maple Syrup Carbohydrate Dose-Response on 20-km Cycling Time-Trial Performance
The goal of this clinical trial is to learn whether maple syrup can be used as a natural carbohydrate source to help trained male cyclists perform better during long-duration cycling.
- Conditions
- Exercise, Endurance Cycling Performance, Carbohydrate Intolerance, Sport Nutrition
- Trial name
- MAPLE-DR (NCT07389837)
- Testing
- Maple Syrup Beverages, Pre-Trial Meals, D₂O Fluid Absorption
- Where
- Canada
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Healthy
Effect of Inspiratory Muscle Training on Recreational Cyclists
Introduction: The inspiratory muscle training (IMT) has showed great benefits to the respiratory, autonomic system, and mainly to the improvement of physical performance in healthy subjects.
- Trial name
- IMT (NCT02984189)
- Testing
- Inspiratory muscle training
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Sao Carlos
Viral Upper Respiratory Tract Infection, Gastroenteritis
Probiotic Supplementation and Endurance Performance in Cyclists and Masters Runners
The study will evaluate the change in gastrointestinal (GI) flora following probiotic supplementation, and expected to lead to an increase in the intestinal epithelial integrity and to improvement in its health.
- Trial name
- NCT02756221
- Testing
- Probiotics
- Where
- Israel
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Tel Hai College
Recovery
Effects of Intermittent Pneumatic Compression on Recovery of Cyclists
This study aims to assess the recovery kinetics of road cyclists following a fatigue protocol (30 time trial).
- Trial name
- NCT06815640
- Testing
- recovery
- Where
- Portugal
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Maia
Fasting and Performance
Effects of a Time Restricted Eating Protocol on Cyclists (TRECYC)
We sought to investigate the effects of 4 weeks of 16/8 time restricted eating (TRE) with windows of 16 hours of fasting and 8 hours of eating) on elite cyclists' performance, metabolic and blood parameters.
- Trial name
- TRECYC (NCT04320784)
- Testing
- Time restricted eating, Control
- Where
- Italy
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Padova
Exercise-Induced Lactic Acidemia, Lactate Blood Increase
Lithothamnion Species on Blood Lactate During Exhaustive Exercise in Trained Cyclists
Deep ocean mineral water has been shown to improve exercise phenotypes in human and animal models. However, there is yet to be an investigation of Algae species such as Lithothamnion that absorb and concentrate these minerals.
- Trial name
- AAPt (NCT03980678)
- Testing
- Mineral Rich Algae
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University College Dublin
Exercise Performance
Potato Ingestion and Time-trial Performance
This research study evaluates the feasibility and appropriateness of potatoes as an ergogenic aid in comparison to the currently promoted sports gels during a cycling challenge and time trial.
- Trial name
- NCT03294642
- Testing
- Potatoes, Carbohydrate Gel, Water
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Beta Alanine Supplementation
Study to Analyze the Efficacy of Acute Intake With a β-alanine Supplement in Recreational Cyclists
Randomized, controlled, double-blind, single-center, double-blind clinical trial with three parallel arms depending on the product consumed (experimental product dose 1 and dose 2 and placebo product) to measure the efficacy of a…
- Trial name
- B-AC1 (NCT06180512)
- Testing
- Beta Alanine high dose, Beta Alanine low dose, Control group
- Where
- Spain
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Exercise Metabolism
The Effect of Acute Ketone Monoester Supplementation on Glucose Oxidation During Exercise
The purpose of this study is to examine the effect of exogenous ketone body supplementation on carbohydrate metabolism during exercise.
- Trial name
- KETONE (NCT06746805)
- Testing
- CHO+KETONE
- Where
- Netherlands
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Overuse Injuries
Overuse Injuries in Road Cyclists, Prevalence and Prevention
The purpose of this study is to investigate the prevalence of overload injuries to road cyclists in Sweden, and if it 's possible to prevent low back pain by a simple exercise program for two months of training .
- Trial name
- Cycle (NCT02106715)
- Testing
- Training
- Where
- Sweden
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University Hospital, Linkoeping
Exercise Capacity
Cocoa Flavanols and Exercise Capacity
The purpose of this study is to characterize the potential improvement of cocoa flavanols on exercise capacity in highly trained cyclist.
- Trial name
- NCT01259739
- Testing
- Cocoa
- Where
- Germany
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Sports Performance, Sports Nutritional Sciences
Effect of Infusion of Yerba Mate on Oxidative Stress, Physiology, and Performance of Trained Cyclists
This project comes forward with investigations regarding the use of yerba mate infusion in sports performance, providing new knowledge about the effects of its consumption on the performance of trained individuals, thus…
- Conditions
- Sports Performance, Sports Nutritional Sciences, Endurance Performance
- Trial name
- NCT04642144
- Testing
- Yerba mate infusion, Carbohydrate meal
- Where
- Brazil
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Santa Catarina
Oxidative Stress
Examining Endogenous Antioxidant Levels in Well Trained Cyclists
This study will investigate whether increased habitual intake of antioxidant supplements effects the concentration of endogenous antioxidants, the response of antioxidants to exercise, and differences in oxidative damage compared…
- Trial name
- NCT02281851
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Hypoxia
Dark Chocolate and Exercise Performance in Hypoxia
Nitrate supplements (beetroot juice, pure sodium nitrate) have become common among endurance athletes because the ingestion of exogenous nitrate leads to increased levels of nitric oxide (NO) in the body.
- Trial name
- NCT03945916
- Testing
- Dark chocolate
- Where
- 2 sites in Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Saskatchewan
Healthy
Effect of Red Grape Cells (RGC) Powder Consumption on Measures of Aerobic Fitness and Mood
This is a 3-arm double blind placebo controlled study to investigate the effect of Red Grape Cell (RGC) powder containing all the matrix of polyphenols that can be found in red grapes.
- Trial name
- NCT01832584
- Testing
- RGC
- Where
- Israel
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Fruitura Bioscience Ltd.
Acute Nitrate Ingestion on Athletic Performance
Acute Nitrate Supplementation in Cyclists
Six days of dietary nitrate (NO3-) supplementation in the form of beetroot juice (~0.5 L•d-1; 5.1-11.2 mmol NO3- •d-1) has been purported to reduce pulmonary oxygen uptake (VO2) during submaximal exercise and increase tolerance…
- Trial name
- NCT01384968
- Testing
- beetroot juice
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center