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- Essai clinique NCT05097339
cArdiopulmonary exerCise Test Assessing Multiple bIOmarkers iN Type 1 Diabetes
Aperçu de l'étude
Statut
Les conditions
Description détaillée
Compare values and trends of different biomarkers (glucose, lactate and beta-hydroxybutyrate) before, during and after morning aerobic and symptom limited maximal exercise (cycling) to predict glycemic fluctuations (hypo- and hyperglycemic events) during and after exercise in order to create treatment algorithms to prevent these events.
Endpoint:
• Evaluate values and trends of glucose, lactate and beta-hydroxybutyrate before, during and after morning exercise in venous blood.
Type d'étude
Inscription (Réel)
Contacts et emplacements
Lieux d'étude
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Antwerp
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Edegem, Antwerp, Belgique, 2650
- Antwerp University Hospital
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
Méthode d'échantillonnage
Population étudiée
La description
Inclusion Criteria:
- Male adults (18-40 years old) with T1D, diagnosed since > 1 year
- Using a CGM (Dexcom G5) or willing to wear a CGM (Dexcom G5) for the duration of the study.
The CGM must be applied >48h before the exercise test
- Participants are on intensified insulin therapy (MDI) or insulin pump therapy (CSII)
- 6% ≤ HbA1c ≤ 8%
- Having a self-reported moderate activity level on the iPAQ (Internationally Physical Activity Questionnaire).
- C-peptide <0.2 nmol/l
- The Physical Activity Coefficient has not changed in the 2 months prior to the first Exercise Test.
- 20kg/m2 < BMI < 25kg/m2
Exclusion Criteria:
- Recently diagnosed T1D (< 12mo)
- Participants not on MDI or CSII
- Musculoskeletal disorder that affects cycling or is a contra-indication for vigorous physical activity
- Cardiorespiratory disease or ECG abnormality that is a contra-indication for vigorous physical activity
- Having an acute illness (e.g. influenza) that interferes with glucose metabolism
- Having a metabolic disorder (different from diabetes) or takes drugs known to have significant interference with glucose metabolism, such as systemic corticoids as judged by the investigator
- Current treatment with drugs known to have significant interference with glucose metabolism, such as systemic corticoids as judged by the investigator
- Presence of concomitant pathology such as heart failure, liver failure, kidney failure defined as eGFR <45mL/min
- Patient not able or willing to sign the patient informed consent
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Modèles d'observation: Autre
- Perspectives temporelles: Éventuel
Cohortes et interventions
Groupe / Cohorte |
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Patients with type 1 diabetes
Patients with type 1 diabetes perform a morning Symptom Limited Maximal Exercise Test (CPET) or a 60-minute morning Aerobic Test (AEX) at 60% VO2peak
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Change in glucose concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Délai: Blood sampling was done before the exercise, every 3 minutes for CPET and every 5 minutes for AEX during the exercise and every 15 minutes during the first hour of recovery and every 20 minutes during the rest of the 6-hour follow-up.
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Glucose levels in mg/dL during and after morning Aerobic (60 minutes at 60% of VO2 max) and Symptom Limited Maximal Exercise Test (AEX & CPET), measured in 21 patients through YSI (YSI Life Sciences, Yellow Springs, OH)
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Blood sampling was done before the exercise, every 3 minutes for CPET and every 5 minutes for AEX during the exercise and every 15 minutes during the first hour of recovery and every 20 minutes during the rest of the 6-hour follow-up.
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Change in lactate concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Délai: Blood sampling was done before the exercise, every 3 minutes for CPET and every 5 minutes for AEX during the exercise and every 15 minutes during the first hour of recovery and every 20 minutes during the rest of the 6-hour follow-up.
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Lactate levels in mmol/mol during and after morning Aerobic (60 minutes at 60% of VO2 max) and Symptom Limited Maximal Exercise Test (AEX & CPET), measured in 21 patients through YSI (YSI Life Sciences, Yellow Springs, OH)
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Blood sampling was done before the exercise, every 3 minutes for CPET and every 5 minutes for AEX during the exercise and every 15 minutes during the first hour of recovery and every 20 minutes during the rest of the 6-hour follow-up.
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Change in ketone concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Délai: Blood sampling was done before the exercise, every 3 minutes for CPET and every 5 minutes for AEX during the exercise and every 15 minutes during the first hour of recovery and every 20 minutes during the rest of the 6-hour follow-up.
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Ketone levels (Beta-hydroxybutyrate) in mmol/mol during and after morning Aerobic (60 minutes at 60% of VO2 max) and Symptom Limited Maximal Exercise Test (AEX & CPET), measured in 21 patients through YSI (YSI Life Sciences, Yellow Springs, OH)
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Blood sampling was done before the exercise, every 3 minutes for CPET and every 5 minutes for AEX during the exercise and every 15 minutes during the first hour of recovery and every 20 minutes during the rest of the 6-hour follow-up.
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Collaborateurs et enquêteurs
Parrainer
Collaborateurs
Les enquêteurs
- Chercheur principal: Christophe De Block, MD, PhD, University Hospital, Antwerp
Publications et liens utiles
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- ACTION1
Plan pour les données individuelles des participants (IPD)
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Informations sur les médicaments et les dispositifs, documents d'étude
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