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Carbohydrate-based Strategies to Prevent Exercise-induced Hypoglycemia

8. Juni 2020 aktualisiert von: Rémi Rabasa-Lhoret, Institut de Recherches Cliniques de Montreal

Comparison of Two Carbohydrate Intake Strategies to Improve Glucose Control During Exercise in Adolescents and Adults With Type 1 Diabetes

To prevent hypoglycemia during prolonged exercise (>30 minutes), additional carbohydrate intake is frequently required. Carbohydrate intake required will vary with insulin regimens, timing and type of exercise as well as starting blood glucose level. In addition to the amount of carbohydrate ingested, the timing of carbohydrate intake could also have an impact on glucose control during exercise. Therefore, the objective of this study will be to compare the efficacy of two snacking strategies to maintain glucose levels in the target range during an exercise period in adolescents and adults with type 1 diabetes: 1) a snack containing ~0.5g of carbohydrates per kilogram of body weight - rounded to the nearest 5g - given 5 minutes before exercise; 2) a snack containing ~0.5g of carbohydrates per kilogram of body weight - rounded to the nearest 5g - distributed this way: ~40% given 5 minutes before exercise, ~30% after 20 minutes of exercise and the last ~30% after 40 minutes of exercise.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

37

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Kanada
    • Quebec
      • Montreal, Quebec, Kanada
        • Institut de recherches cliniques de Montreal

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

14 Jahre und älter (Kind, Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  1. Males and females ≥ 14 years of old.
  2. Clinical diagnosis of type 1 diabetes for at least one year.
  3. Last (less than 3 months) HbA1c ≤ 10%.
  4. Patients using multiple daily injections with basal-bolus insulin regimen.

Exclusion Criteria:

  1. 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.
  2. Recent (< 3 months) acute macrovascular event e.g. acute coronary syndrome or cardiac surgery.
  3. Abnormal blood panel and/or anemia.
  4. Ongoing pregnancy.
  5. Severe hypoglycemic episode within two weeks of screening.
  6. 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).
  7. Treatment with CSII (Continuous Subcutaneous Insulin Infusion) "insulin pump therapy".

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Crossover-Aufgabe
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: Full snack given before exercise
A snack containing ~0.5g of carbohydrates per kilogram of body weight will be given 5 minutes before exercise
Sonstiges: 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.
Sonstiges: Snack
Full snack or Distributed snack
Aktiver Komparator: 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.
Sonstiges: 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.
Sonstiges: Snack
Full snack or Distributed snack

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Percentage of time of capillary glucose levels spent between 4-10 mmol/L
Zeitfenster: 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

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Percentage of time of sensor glucose levels spent between 4-10 mmol/L
Zeitfenster: 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
Zeitfenster: 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)
Decrease in glucose levels
Zeitfenster: 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)
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.
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)
Increase in glucose level
Zeitfenster: 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)
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.
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)
Number of participants with an exercise-induced hypoglycemia below 4 mmol/L
Zeitfenster: 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)
Number of participants with an exercise-induced hypoglycemia below 3.5 mmol/L
Zeitfenster: 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)
Number of participants requiring an oral treatment for hypoglycemia
Zeitfenster: 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)
Total number of hypoglycemia episodes requiring treatment
Zeitfenster: 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
Zeitfenster: 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)
Mean time (minutes) to the first hypoglycemic event
Zeitfenster: This outcome will be measured for the exercise period only (60 minutes)
This outcome will be measured for the exercise period only (60 minutes)
Mean glucose levels
Zeitfenster: 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)
Standard deviation of glucose levels
Zeitfenster: 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
Zeitfenster: 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 between 4 and 10 mmol/L
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Number of hypoglycemic episodes requiring treatment
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: From midnight to 6:00 next morning (6 hours)
From midnight to 6:00 next morning (6 hours)
Mean glucose levels
Zeitfenster: 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)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Institut de Recherches Cliniques de Montreal

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

3. August 2017

Primärer Abschluss (Tatsächlich)

2. August 2019

Studienabschluss (Tatsächlich)

2. August 2019

Studienanmeldedaten

Zuerst eingereicht

6. Juli 2017

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

10. Juli 2017

Zuerst gepostet (Tatsächlich)

11. Juli 2017

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

11. Juni 2020

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

8. Juni 2020

Zuletzt verifiziert

1. Juni 2020

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • SNACK-1

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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