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cArdiopulmonary exerCise Test Assessing Multiple bIOmarkers iN Type 1 Diabetes

15. oktober 2021 opdateret af: Christophe De Block, University Hospital, Antwerp
Collection of venous blood samples in male T1D patients to evaluate the behavior of different biomarkers (beta-hydroxybutyrate, lactate, glucose) during and after morning Aerobic (60% of VO2 max) and Symptom Limited Maximal Exercise Test.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

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.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

21

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Belgien
    • Antwerp
      • Edegem, Antwerp, Belgien, 2650
        • Antwerp University Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 40 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Han

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

Adult male participants, aged 18-40 years, with Type 1 Diabetes (T1D) treated with Multiple Daily Insulin injections (MDI) and Continuous Subcutaneous Insulin Injections (CSII)

Beskrivelse

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

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: Andet
  • Tidsperspektiver: Fremadrettet

Kohorter og interventioner

Gruppe / kohorte
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

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in glucose concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Tidsramme: 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.
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)
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.
Change in lactate concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Tidsramme: 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.
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)
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.
Change in ketone concentration during and after morning Aerobic and Symptom Limited Maximal Exercise Test
Tidsramme: 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.
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)
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.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

University Hospital, Antwerp

Samarbejdspartnere

University of Padova
Campus Bio-Medico University
Université Montpellier
Indigo Diabetes NV

Efterforskere

  • Ledende efterforsker: Christophe De Block, MD, PhD, University Hospital, Antwerp

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

10. maj 2019

Primær færdiggørelse (Faktiske)

13. maj 2020

Studieafslutning (Faktiske)

13. maj 2020

Datoer for studieregistrering

Først indsendt

22. september 2021

Først indsendt, der opfyldte QC-kriterier

15. oktober 2021

Først opslået (Faktiske)

28. oktober 2021

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

28. oktober 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

15. oktober 2021

Sidst verificeret

1. oktober 2021

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • ACTION1

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Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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