- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03995498
Individualized Carbohydrate Intake Strategy to Improve Blood Glucose Control
Individualized Carbohydrate Intake Strategy to Improve Blood Glucose Control During Team Sports in Children and Adolescents With Type 1 Diabetes: A Carowanis Camp Study
The objective of this study is to test whether an individualized carbohydrate intake based on weight and pre physical activity glucose level is more effective than usual camp care to improve glucose control in children and adolescents engaging in team sports (basketball, soccer, hockey) during a summer camp.
At the enrollment interview, in addition to collecting patient's information (age, sex, diabetes duration, recent A1c, type of treatment, insulin doses body weight, concomitant diseases, diabetes complications and history of severe hypoglycemia), a continuous glucose monitoring system (FreeStyle Libre) will be installed by a nurse. At least, eight sports sessions per participant are planned for this study. In a randomized order, the individualized carbohydrate intake will be applied during at least 4 interventions sport sessions while at least 4 with matching types of sports will be used as control sessions. Two sport sessions are routinely scheduled at the camp each day; from 9h:30 to 10h:30 and from 11h:00 to 12h:00. For intervention sessions that involve individualized carbohydrate intake, the FreeStyle Libre will be scanned 0-10 minutes before the start of the team sport. Carbohydrates will then be given in the amount of 0.5g/kg for glucose levels between 4.5 to 7.0 mmol/L and 0.25g/kg for glucose levels between 7.1 to 10.0 mmol/L and none will be given if glucose levels are between 10.1 and 15.0 mmol/L. When glucose levels are below 4.5 mmol/L or above 15.0 mmol/L, the camp staff will take care of hypoglycemia/hyperglycemia treatment. During control sessions, as per camp routine care, there will be no measurement of glucose levels before the start of physical activity.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Quebec
-
Montréal, Quebec, Canada, H2W 1R7
- Montreal Clinical Research Institute
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males or females between the 7 and 16 years of old.
- Clinical diagnosis of type 1 diabetes for at least 6 months.
- Using continuous subcutaneous insulin infusion therapy or multiple daily injections.
- HbA1c ≤ 12.0%.
- Practicing team sports (soccer, basketball, hockey, tennis) at the summer camp.
Exclusion Criteria:
- Clinically significant nephropathy, neuropathy or retinopathy as judged by the investigator.
- Severe hypoglycemic episode within two weeks of inclusion in the study.
- Using the Medtronic 670G Insulin Pump as a treatment Mode
- Current use of oral glucocorticoid medication (except low stable dose according to investigator judgement). Stable doses of inhaled steroids are acceptable.
- Acute disease in the last 3 months that would affect ability to do physical activity.
- Other serious medical illness likely to interfere with study participation or with the ability to complete the exercise periods by the judgment of the investigator (e.g. orthopedic limitation).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Individualized carbohydrate intake
Based on glucose sensor level, carbohydrate (orange juice, Oasis classic) will then be given as follow: If sensor glucose level is under < 4.5 mmol/L, the camp staff will treat hypoglycemia according to the camp procedure, If sensor glucose level is between 4.5 and 7.0 mol/L, 0.5g of CHO/kg body weight will be given, If sensor glucose level is between 7.1 and 10.0 mmol/L, 0.25g of CHO/kg body weight will be given, If sensor glucose level is between 10.1 and 15.0 mmol/L, no CHO will be given, If sensor glucose level is > 15.1 mmol/L, the camp staff will treat hyperglycemia according to the camp procedure. |
Participants will engage in team sports exercise twice a day: from 9h:30 to 10h:30 and from 11h:00 to 12h:00.
Glucose levels will be measured by the FreeStyle Libre
Energy expenditure during physical activity sessions will be measured with the SenseWear Armband.
|
ACTIVE_COMPARATOR: Usual camp protocol
As per camp routine care, there will be no mandatory glucose level measurement before the start of physical activity if no symptoms of hypoglycemia or hyperglycemia appear.
|
Participants will engage in team sports exercise twice a day: from 9h:30 to 10h:30 and from 11h:00 to 12h:00.
Glucose levels will be measured by the FreeStyle Libre
Energy expenditure during physical activity sessions will be measured with the SenseWear Armband.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Percentage of time of interstitial glucose concentrations spent between 4.0-10.0 mmol/L
Time Frame: 60 minutes
|
60 minutes
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change in glucose concentrations
Time Frame: 60 minutes
|
60 minutes
|
Mean time (minutes) to the first hypoglycemic event
Time Frame: 60 minutes
|
60 minutes
|
Mean interstitial glucose concentration
Time Frame: 60 minutes
|
60 minutes
|
Standard deviation of glucose concentration
Time Frame: 60 minutes
|
60 minutes
|
Percentage of time of interstitial glucose concentrations spent below 4.0 mmol/L
Time Frame: 120 minutes
|
120 minutes
|
Percentage of time of interstitial glucose concentrations spent above 10.0 mmol/L
Time Frame: 120 minutes
|
120 minutes
|
Number of participants with an exercise-induced hypoglycemia below 4.0 mmol/L
Time Frame: 120 minutes
|
120 minutes
|
Number of participants with an exercise-induced hypoglycemia below 3.5 mmol/L
Time Frame: 120 minutes
|
120 minutes
|
Total number of confirmed hypoglycemia episodes requiring treatment
Time Frame: 120 minutes
|
120 minutes
|
Collaborators and Investigators
Investigators
- Principal Investigator: Rémi Rabasa-Lhoret, Montreal Clinical Research Institute
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SNACK-camp
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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