Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
The aim of this pilot study is to estimate the effect size of changing the glucose-fructose ratio from 1:0.5 to 1:1 on exogenous carbohydrate oxidation rates during exercise, which can be used to power a future definitive study.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| One to One ratio | Experimental | Glucose and fructose ingestion in a one-to-one ratio |
|
| Two to one ratio | Active Comparator | Glucose and fructose ingestion in a two-to-one (1-to-0.5) ratio |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Glucose and fructose (one-to-one) | Other | Glucose and fructose ingested in solution in a one-to-one ratio (135 grams per hour for 3 hours during exercise) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Exogenous carbohydrate oxidation rate (g/h) | Total exogenous carbohydrate oxidation rate (g/h) over 180 minutes | 180 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Peak exogenous carbohydrate oxidation rate (g/h) | Highest recorded exogenous carbohydrate oxidation rate (g/h) | 180 minutes |
| Whole-body carbohydrate oxidation rate (g/h) | Total whole-body carbohydrate oxidation rate (g/h) |
| Measure | Description | Time Frame |
|---|---|---|
| Exogenous carbohydrate oxidation over 2 hours (g/h) | Total exogenous carbohydrate oxidation over 2 hours (g/h) | 120 minutes |
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Javier Gonzalez | Contact | +441225385518 | j.t.gonzalez@bath.ac.uk |
Not provided
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Bath | Recruiting | Bath | Bath | BA2 7AY | United Kingdom |
Outcome measures in anonymised format.
Upon publication in a peer-reviewed journal
Via the University of Bath Research Data Repository
Not provided
Not provided
| ID | Term |
|---|---|
| D005947 | Glucose |
| D005632 | Fructose |
| ID | Term |
|---|---|
| D006601 | Hexoses |
| D009005 | Monosaccharides |
| D000073893 | Sugars |
| D002241 | Carbohydrates |
| D007661 |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Glucose and fructose (two-to-one) | Other | Glucose and fructose ingested in solution in a two-to-one ratio (135 grams per hour for 3 hours during exercise) |
|
| 180 minutes |
| Endogenous carbohydrate oxidation rate (g/h) | Total endogenous carbohydrate oxidation rate (g/h) | 180 minutes |
| Whole-body fat oxidation rate (g/h) | Total whole-body fat oxidation rate (g/h) | 180 minutes |
| Blood lactate concentrations (mmol/L) | Mean blood lactate concentrations over 180 minutes | 180 mninutes |
| Blood glucose concentrations (mmol/L) | Mean blood glucose concentrations (mmol/L) over 180 minutes | 180 minutes |
| Ratings of gut comfort (arbitrary units) | Mean ratings of gut comfort (arbitrary units) over 180 minutes | 180 minutes |
| Ratings of perceived exertion (arbitrary units) | Mean ratings of perceived exertion (arbitrary units) over 180 minutes | 180 minutes |
| Ketoses |