Effect of insulin therapy and dietary adjustments on safety and performance during simulated soccer tests in people with type 1 diabetes: study protocol for a randomized controlled trial

Calvo-Marín, Javier, Torrealba-Acosta, Gabriel, Campbell, Matthew, Gaboury, Jesse, Ali, Ajmol and Chen-Ku, Chih Hao (2017) Effect of insulin therapy and dietary adjustments on safety and performance during simulated soccer tests in people with type 1 diabetes: study protocol for a randomized controlled trial. Trials, 18 (1). ISSN 1745-6215

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Abstract

Background
Despite the reduction in glycemic derangement in patients with type 1 diabetes mellitus (T1D) through dietary and therapeutic adjustments implemented before, during and after continuous exercise, evidence for its effectiveness with intermittent forms of exercise, such as soccer, is still lacking.

Methods/design
We designed a study protocol for a randomized, crossover, double-blinded, controlled trial, for the evaluation of the effect that a strategy of dietary and therapeutic modifications may have on safety and performance of persons with T1D in soccer training sessions and cognitive testing. Inclusion criteria comprise: age older than 18 years, more than 2 years since T1D diagnosis, low C-peptide level, a stable insulin regimen, HbA1c less than 9.0% and regular participation in soccer activities. Our primary outcome evaluates safety regarding hypoglycemia events in patients using dietary and therapeutic adjustments, compared with the performance under the implementation of current American Diabetes Association (ADA) usual recommendations for nutritional and pharmacological adjustments for exercise. Additionally, we will evaluate as secondary outcomes: soccer performance, indexed by performance in well-established soccer skill tests, cognitive functions (indexed by Stroop, digital vigilance test (DVT), Corsi block-tapping task (CBP), and rapid visual information processing (RVIP) tests), and glycemic control measured with a continuous glucose monitor (CGM).

Discussion
Dietary and insulin adjustments standardized under a 4-step method strategy have never been tested in a clinical trial setting with intermittent forms of exercise, such as soccer. We hypothesize that through this strategy we will observe better performance by persons with T1D in soccer and cognitive evaluations, and more stable control of glycemic parameters before, during and after exercise execution, indexed by CGM measurements.

Trial registration
ISRCTN, ISRCTN17447843. Registered on 5 January 2017.

Item Type: Article
Divisions: Faculty of Health Sciences and Wellbeing > School of Nursing and Health Sciences
Depositing User: Leah Maughan
Date Deposited: 28 Jan 2021 11:10
Last Modified: 28 Jan 2021 11:15
URI: http://sure.sunderland.ac.uk/id/eprint/13020
ORCID for Matthew Campbell: ORCID iD orcid.org/0000-0001-5883-5041

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