Athletic Performance Clinical Trial
Official title:
Effects of a Very Low Carbohydrate Ketogenic Diet on Body Composition, Muscle Strength, Muscle Area, Metabolism and Performance in Semi-professional Soccer Players
NCT number | NCT04078971 |
Other study ID # | KDsoccer |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | May 2, 2018 |
Est. completion date | December 15, 2018 |
Verified date | September 2019 |
Source | University of Padova |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
A ketogenic diet (KD) is a nutritional approach, usually adopted for weight loss, that restricts daily carbohydrates under 30 g/day. KD showed contradictory results on sport performance, whilst no data are available on team sports. The investigators will investigate the influence of a KD on different parameters in soccer players
Status | Completed |
Enrollment | 16 |
Est. completion date | December 15, 2018 |
Est. primary completion date | October 30, 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 18 Years to 30 Years |
Eligibility |
Inclusion Criteria - semiprofessional soccer players - male Exclusion Criteria: - body fat percentage over 32%, (determined via dual energy X-ray absorptiometry DEXA), - cardiovascular, - respiratory, gastrointestinal, - thyroid or any other metabolic diseases, - weight change more than 2 Kg over the last month, - adherence to special diets, - use of nutritional supplements (except a daily multivitamin-mineral) - use of medication to control blood lipids or glucose and goal-keepers. |
Country | Name | City | State |
---|---|---|---|
Italy | Nutrition and Exercise Lab, DSB, University of Padova | Padova |
Lead Sponsor | Collaborator |
---|---|
Antonio Paoli |
Italy,
Paoli A, Bianco A, Grimaldi KA. The Ketogenic Diet and Sport: A Possible Marriage? Exerc Sport Sci Rev. 2015 Jul;43(3):153-62. doi: 10.1249/JES.0000000000000050. Review. — View Citation
Paoli A, Grimaldi K, D'Agostino D, Cenci L, Moro T, Bianco A, Palma A. Ketogenic diet does not affect strength performance in elite artistic gymnasts. J Int Soc Sports Nutr. 2012 Jul 26;9(1):34. doi: 10.1186/1550-2783-9-34. — View Citation
Rubini A, Bosco G, Lodi A, Cenci L, Parmagnani A, Grimaldi K, Zhongjin Y, Paoli A. Erratum to: Effects of Twenty Days of the Ketogenic Diet on Metabolic and Respiratory Parameters in Healthy Subjects. Lung. 2017 Feb;195(1):155. doi: 10.1007/s00408-016-9958-0. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Fat body mass | Body composition with DEXA: we measure body fat mass in grams. | 4 weeks | |
Primary | lean body mass | Body composition with DEXA: we measure lean body mass in grams. | 4 weeks | |
Primary | Visceral Adipose tissue (VAT) | Body composition with DEXA: VAT in grams | 4 weeks | |
Primary | Total body water | We will use a BIA to calculate totally body water and intracellular and extracellular water in liters | 4 weeks | |
Secondary | resting energy expenditure (REE) | Measured through gas analyzer in ml/02/kg min | 4 weeks | |
Secondary | respiratory ratio (RR) | Measured through gas analyses (ratio between CO2 and O2) | 4 weeks | |
Secondary | specific performance | Yoyo intermittent recovery test level 1: in seconds | 4 weeks | |
Secondary | lower limb power | squat jump test: height of the jump in cm | 4 weeks | |
Secondary | quadriceps muscle area | muscle area measured in cm2 through ultrasound | 4 weeks | |
Secondary | quadriceps muscle thickness | muscle thickness measured cm through ultrasound | 4 weeks | |
Secondary | quadriceps strength | isometric contraction measured in N, the normalized per muscle area (N x cm2) | 4 weeks | |
Secondary | quadriceps strength per area | the strength of isometric contraction (outcome 10) normalized per muscle area (Outcome 7). Expressed as (N x cm2) | 4 weeks |
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