Carbohydrate-based Strategies to Prevent Exercise-induced Hypoglycemia
Comparison of Two Carbohydrate Intake Strategies to Improve Glucose Control During Exercise in Adolescents and Adults With Type 1 Diabetes
Panoramica dello studio
Stato
Stato
Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Tipo di studio
Tipo di studio
Iscrizione (Effettivo)
Iscrizione
Fase
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
-
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Quebec
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Montreal, Quebec, Canada
- Institut de recherches cliniques de Montréal
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-
Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Males and females ≥ 14 years of old.
- Clinical diagnosis of type 1 diabetes for at least one year.
- Last (less than 3 months) HbA1c ≤ 10%.
- Patients using multiple daily injections with basal-bolus insulin regimen.
Exclusion Criteria:
- Clinically significant microvascular complications: nephropathy (estimated glomerular filtration rate below 40 ml/min), neuropathy (especially diagnosed gastroparesis) or severe proliferative retinopathy as judged by the investigator.
- Recent (< 3 months) acute macrovascular event e.g. acute coronary syndrome or cardiac surgery.
- Abnormal blood panel and/or anemia.
- Ongoing pregnancy.
- Severe hypoglycemic episode within two weeks of screening.
- 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).
- Treatment with CSII (Continuous Subcutaneous Insulin Infusion) "insulin pump therapy".
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Nessuno (etichetta aperta)
Numero di armi
Armi e interventi
Gruppo di partecipanti / ArmGruppo di partecipanti / Arm |
Intervento / TrattamentoIntervento / Trattamento |
|---|---|
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Comparatore attivo: Full snack given before exercise
A snack containing ~0.5g of carbohydrates per kilogram of body weight will be given 5 minutes before exercise
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Participants will be admitted at IRCM at 14:00.
At 15:30, participants will performed a 60-minute exercise on the ergocycle at 60% of VO2 peak (moderate intensity).
During exercise, capillary glucose levels will be measured every 10 minutes.
At 16:30, the exercise will be completed and capillary glucose levels will be monitored every 20 minutes for 1 hour.
At 17:30, the participant will be discharged.
Full snack or Distributed snack
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Comparatore attivo: Distributed snack over exercise period
A snack containing ~0.5g of carbohydrates per kilogram of body weight distributed this way will be given: ~40% given 5 minutes before exercise, ~30% after 20 minutes of exercise and the last ~30% after 40 minutes of exercise.
|
Participants will be admitted at IRCM at 14:00.
At 15:30, participants will performed a 60-minute exercise on the ergocycle at 60% of VO2 peak (moderate intensity).
During exercise, capillary glucose levels will be measured every 10 minutes.
At 16:30, the exercise will be completed and capillary glucose levels will be monitored every 20 minutes for 1 hour.
At 17:30, the participant will be discharged.
Full snack or Distributed snack
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Percentage of time of capillary glucose levels spent between 4-10 mmol/L
Lasso di tempo: This outcome will be measured over 120 minutes
|
This time frame corresponds to the exercise period and the 1 hour following it
|
This outcome will be measured over 120 minutes
|
Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Percentage of time of sensor glucose levels spent between 4-10 mmol/L
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
|
Percentage of time of glucose levels spent below 4 mmol/L
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
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Decrease in glucose levels
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
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Difference between glucose level at the start of the exercise and the lowest glucose level from the start of the exercise until 1) the end of the exercise and 2) 1 hour after the end of the exercise.
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This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
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Increase in glucose level
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
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Difference between glucose level at the start of the exercise and the highest glucose level from the start of the exercise until 1) the end of the exercise and 2) 1 hour after the end of the exercise.
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This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
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Number of participants with an exercise-induced hypoglycemia below 4 mmol/L
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
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This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
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Number of participants with an exercise-induced hypoglycemia below 3.5 mmol/L
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
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This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
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Number of participants requiring an oral treatment for hypoglycemia
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
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Total number of hypoglycemia episodes requiring treatment
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
|
Percentage of time of glucose levels spent above 10 mmol/L
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
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Mean time (minutes) to the first hypoglycemic event
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes)
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This outcome will be measured for the exercise period only (60 minutes)
|
|
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Mean glucose levels
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
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Standard deviation of glucose levels
Lasso di tempo: This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
This outcome will be measured for the exercise period only (60 minutes) and for the exercise period and the hour following the exercise (120 minutes)
|
|
|
Percentage of time of glucose levels between 4 and 10 mmol/L
Lasso di tempo: From the end of the exercise period to dinner time.
|
Dinner time will be up to the patient.
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From the end of the exercise period to dinner time.
|
|
Percentage of time of glucose levels between 4 and 10 mmol/L
Lasso di tempo: From the end of the exercise period to midnight (7.5 hours)
|
From the end of the exercise period to midnight (7.5 hours)
|
|
|
Percentage of time of glucose levels between 4 and 10 mmol/L
Lasso di tempo: From midnight to 6:00 next morning (6 hours)
|
From midnight to 6:00 next morning (6 hours)
|
|
|
Percentage of time of glucose levels between 4 and 10 mmol/L
Lasso di tempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
|
From the end of the exercise period to 6:00 next morning (13.5 hours)
|
|
|
Percentage of time of glucose levels spent below 4 mmol/L
Lasso di tempo: From the end of the exercise period to dinner time
|
Dinner time will be up to the patient.
|
From the end of the exercise period to dinner time
|
|
Percentage of time of glucose levels spent below 4 mmol/L
Lasso di tempo: From the end of the exercise period to midnight (7.5 hours)
|
From the end of the exercise period to midnight (7.5 hours)
|
|
|
Percentage of time of glucose levels spent below 4 mmol/L
Lasso di tempo: From midnight to 6:00 next morning (6 hours)
|
From midnight to 6:00 next morning (6 hours)
|
|
|
Percentage of time of glucose levels spent below 4 mmol/L
Lasso di tempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
|
From the end of the exercise period to 6:00 next morning (13.5 hours)
|
|
|
Percentage of time of glucose levels spent above 10 mmol/L
Lasso di tempo: From the end of the exercise period to dinner time
|
Dinner time will be up to the patient
|
From the end of the exercise period to dinner time
|
|
Percentage of time of glucose levels spent above 10 mmol/L
Lasso di tempo: From the end of the exercise period to midnight (7.5 hours)
|
From the end of the exercise period to midnight (7.5 hours)
|
|
|
Percentage of time of glucose levels spent above 10 mmol/L
Lasso di tempo: From midnight to 6:00 next morning (6 hours)
|
From midnight to 6:00 next morning (6 hours)
|
|
|
Percentage of time of glucose levels spent above 10 mmol/L
Lasso di tempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
|
From the end of the exercise period to 6:00 next morning (13.5 hours)
|
|
|
Number of participants requiring treatment for hypoglycemia
Lasso di tempo: From the end of the exercise period to dinner time
|
Dinner time will be up to the patient
|
From the end of the exercise period to dinner time
|
|
Number of participants requiring treatment for hypoglycemia
Lasso di tempo: From the end of the exercise period to midnight (7.5 hours)
|
From the end of the exercise period to midnight (7.5 hours)
|
|
|
Number of participants requiring treatment for hypoglycemia
Lasso di tempo: From midnight to 6:00 next morning (6 hours)
|
From midnight to 6:00 next morning (6 hours)
|
|
|
Number of participants requiring treatment for hypoglycemia
Lasso di tempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
|
From the end of the exercise period to 6:00 next morning (13.5 hours)
|
|
|
Number of hypoglycemic episodes requiring treatment
Lasso di tempo: From the end of the exercise period to dinner time
|
Dinner time will be up to the patient
|
From the end of the exercise period to dinner time
|
|
Number of hypoglycemic episodes requiring treatment
Lasso di tempo: From the end of the exercise period to midnight (7.5 hours)
|
From the end of the exercise period to midnight (7.5 hours)
|
|
|
Number of hypoglycemic episodes requiring treatment
Lasso di tempo: From midnight to 6:00 next morning (6 hours)
|
From midnight to 6:00 next morning (6 hours)
|
|
|
Number of hypoglycemic episodes requiring treatment
Lasso di tempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
|
From the end of the exercise period to 6:00 next morning (13.5 hours)
|
|
|
Mean glucose levels
Lasso di tempo: From the end of the exercise period to dinner time
|
Dinner time will be up to the patient
|
From the end of the exercise period to dinner time
|
|
Mean glucose levels
Lasso di tempo: From the end of the exercise period to midnight (7.5 hours)
|
From the end of the exercise period to midnight (7.5 hours)
|
|
|
Mean glucose levels
Lasso di tempo: From midnight to 6:00 next morning (6 hours)
|
From midnight to 6:00 next morning (6 hours)
|
|
|
Mean glucose levels
Lasso di tempo: From the end of the exercise period to 6:00 next morning (13.5 hours)
|
From the end of the exercise period to 6:00 next morning (13.5 hours)
|
Collaboratori e investigatori
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Aggiornamenti dei record di studio
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