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Additional Insulin for High Fat/Protein in Type 1 Diabetes

9. december 2021 opdateret af: Yasemin Atik Altinok, Ege University

The Effect of Fat - Protein Counting on Glycemic Variability in Children and Adolescents With Type 1 Diabetes Mellitus

Aim: Dietary carbohydrate is the predominant macronutrient affecting postprandial blood glucose excursions, dietary fat and protein can also significantly impact the postprandial glycemic profile. The aim of this study is to compare the impact of additional dose of extended insulin bolus; using Pankowsko algorithm (PA) to usual standard carbohydrate counting (CC) on postprandial glucose excursions for high fat /high energy density mixed meal for 12 hours.

Methods: In this single-center, non-blinded, randomized, crossover study a high fat, high energy density test meal containing 80 gram carbohydrate (34%), 70 gram fat (66%) and 35 g protein (14%) was given using standard carbohydrate counting (CC) on the first test day and PA was used for the second test day for the same meal. Two methods were compared on postprandial early (0-120 min), late (120-720 min) and total (0-720 min) glucose response in 20 patients with type 1 diabetes mellitus (T1DM), aged 9-18 years on continuous subcutan insulin infusion (CSII) therapy using continuous glucose monitoring system (CGMS).

Studieoversigt

Status

Afsluttet

Intervention / Behandling

Detaljeret beskrivelse

Children and adolescents with T1DM between the ages of 9-18 and undergoing insulin infusion pump therapy followed in Ege University Pediatric Endocrinology Department will be randomly selected regardless of metabolic control. The selection of the cases will be made from the beginning of the study as the first 30 patients who meet the research participation criteria and agree to participate in the study. Before the research starts, the cases will be told about the application of CGMS, their responsibilities in the research, and an appointment will be given for the insertion of CGMS and this procedure will be applied to all participants. On the day of the appointment, the participant will be put on CGMS, and as long as CGMS is attached, they will be asked to measure capillary blood glucose in their diaries and record them. The subjects will be checked whether they are within the target blood glucose values for 2 days before consuming the test meal and normoglycemia will be provided. On the first day of the study, a test meal with 80 g carbohydrate (29.3%), 70.2 g fat (57.9%), 34.7 g protein (12.7%), will be consumed in the evening meal and carbohydrate counting-normal bolus insulin will be given by administration. On the second day of the study, the additional insulin for fat and protein will be given as a dual wave bolus instead of the normal bolus for the test meal. Then, CGMS will be extracted from the cases, transferred to the computer, and analysis will be made by the researcher, taking into account the capillary blood glucose measurements in the diary.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

20

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

      • İzmir, Kalkun, 35100
        • Ege University Faculty of Medicine Department of Pediatrics

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

9 år til 18 år (Barn, Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Children-adolescents with Type 1 DM between the ages of 9-18 and undergoing insulin infusion pump therapy followed by Ege University Faculty of Medicine, Department of Pediatric Endocrine.
  2. Those with a body mass index between -2- + 2 SD

Exclusion Criteria:

  1. Cases that do not accept to fill in the 'Informed Consent Form'
  2. Cases with diseases accompanying T1DM (autoimmune diseases such as celiac, cystic fibrosis, etc.)
  3. Body mass index <-2 SD and> +2 SD

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Andet: carb counting
Patients using insulin infusion pumps will be placed CGMS for 2 days before starting the study to check whether they are within the target blood glucose levels and normoglycemia will be provided. The content of the first day of the study; The test meal, which is 80 g carbohydrate (29.3%), 70.2 g fat (57.9%), 34.7 g protein (12.7%), will be consumed in the evening meal and normal bolus insulin will be given according to carbohydrate counting. On the second day of the study, instead of the normal bolus for the test meal, the additional insulin for fat-protein by dual wave bolus that.The data obtained will be analyzed by evaluating the CGMS data of all patients by a pediatric endocrinologist experienced in diabetes, CGMS and insulin infusion pump therapy.
In the 7 days leading up to the study, participants were contacted to review blood glucose levels with CGMS, food and activity diary. basal rates and insulin carbohydrate ratio and sensitivity factor were changed according to the CGMS values and normoglycemia was achieved.In the study day same meals were served which included high fat, high energy density test meal containing 80 gram carbohydrate (34%), 70 gram fat (66%) and 35 g protein (14%).The participants had to have no glucose fluctuations 2 hours before study entry based on CGMS, no correction boluses for at least 4 hours before the test meal consumption and fasting glycemia in the range of 70-180 mg/dL on both study days.The participants received the test meal calculating insulin dose by CC on the first study day and calculating insulin dose by and fat/protein counting in the second study day. The test meal consumption was completed in 20 minutes under supervision by a caregiver and a dietician of the research team

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
AUC
Tidsramme: AUC was evaluated the day where only carbs were counted and the day were fat and proteins were counted
The primary outcomes were glucose area under the curve (AUC) and % of time spent in normoglycemia according to CC; PA and modified PA algorithms.
AUC was evaluated the day where only carbs were counted and the day were fat and proteins were counted

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
hypoglycemia epizode
Tidsramme: Hypoglycemia was evaluated the day where only carbs were counted and the day were fat and proteins were counted
The secondary outcomes were the number of hypoglycemic events over the study period based on capillary blood glucose measurements.
Hypoglycemia was evaluated the day where only carbs were counted and the day were fat and proteins were counted

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studiestol: Sukran Darcan, MD Prof, Ege University
  • Ledende efterforsker: Yasemin Atik Altınok, pHD, Ege University Fac Of Medicine Department of Pediatrics
  • Ledende efterforsker: Hafize Cetin Işıklar, Nurse, Ege University Fac Of Medicine Department of Pediatrics
  • Ledende efterforsker: Gunay Demir, MSci Nurse, Ege University Fac Of Medicine Department of Pediatrics
  • Ledende efterforsker: Samim Ozen, MD,PhD, Ege University Fac Of Medicine Department of Pediatrics

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)

1. juli 2017

Primær færdiggørelse (Faktiske)

30. april 2018

Studieafslutning (Faktiske)

31. december 2019

Datoer for studieregistrering

Først indsendt

29. november 2021

Først indsendt, der opfyldte QC-kriterier

29. november 2021

Først opslået (Faktiske)

9. december 2021

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

30. december 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

9. december 2021

Sidst verificeret

1. december 2021

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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