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- Klinische proef NCT05097339
cArdiopulmonary exerCise Test Assessing Multiple bIOmarkers iN Type 1 Diabetes
Studie Overzicht
Toestand
Conditie
Gedetailleerde beschrijving
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.
Studietype
Inschrijving (Werkelijk)
Contacten en locaties
Studie Locaties
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Antwerp
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Edegem, Antwerp, België, 2650
- Antwerp University Hospital
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Bemonsteringsmethode
Studie Bevolking
Beschrijving
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
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Observatiemodellen: Ander
- Tijdsperspectieven: Prospectief
Cohorten en interventies
Groep / Cohort |
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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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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Change in glucose concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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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Medewerkers en onderzoekers
Sponsor
Medewerkers
Onderzoekers
- Hoofdonderzoeker: Christophe De Block, MD, PhD, University Hospital, Antwerp
Publicaties en nuttige links
Studie record data
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Studie start (Werkelijk)
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
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Laatste update ingediend die voldeed aan QC-criteria
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Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- ACTION1
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