- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00475345
Impact of Optimized Titration and Delivery of Bedtime Insulin on Prevention of Nocturnal Hypoglycemia
Impact of Optimized Titration and Delivery of Bedtime Insulin on Prevention of Nocturnal Hypoglycemia in Adults With Type 1 Diabetes Undergoing Intensive Management
The purpose of this study is to determine whether or not bedtime snacks are necessary to prevent overnight low blood glucose reactions (nocturnal hypoglycemia) in adults with type 1 diabetes who are using intensive insulin therapies, either multiple injections of insulin or insulin pump.
We hypothesize that a bedtime snack is not necessary if the bedtime insulin is very well adjusted and delivered, especially by use of insulin pump which is considered the "gold standard" for overnight blood glucose control.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
Nocturnal hypoglycemia is a significant side effect of insulin replacement therapy and can lead to many problems including coma and death in the most extreme cases and deterioration of glycemic control. Strategies to prevent nocturnal hypoglycemia include development of newer insulins and delivery systems and the use of specific bedtime snack compositions. Detection of nocturnal hypoglycemia, as it occurs in everyday life, has been a problem since most episodes go unnoticed and therefore untreated leading to a very dangerous situation. With the recent availability of technology which allows for continuous glucose monitoring , it has been made possible to detect nocturnal hypoglycemia as it occurs in daily life. As well, this technology allows for the possibility of better titration of therapy.
Therefore, the goal of our study was to use continuous glucose monitoring technology as a tool to optimize titration of insulin therapy and as a means to detect nocturnal hypoglycemia as it occurs in daily life. Specifically, we sought to compare the use of insulin pump therapy with no bedtime snacks and using a new type of insulin called an analogue(lispro) versus multiple daily injections of insulin, using the same type of insulin analogue, and with and without bedtime snacks. Therefore, we compared 3 groups: 1) insulin pump with no bedtime snacks; 2) multiple injections with bedtime snacks and 3) multiple injections with no bedtime snacks. The groups were primarily compared for the occurrence and frequency of nocturnal hypoglycemia. Other comparisons included: long term glycemic control (A1c), weight and body composition and quality of life.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Quebec
-
Montreal, Quebec, Canada, H3A-1A1
- Royal Victoria Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Adults with type 1 diabetes for more than 3 years duration and on intensive insulin therapy using multiple daily injections of insulin (MDI) for at least 1 year prior to study.
Exclusion Criteria:
- Pregnant women or intending to become pregnant in next year,
- Significant hepatic or renal disease,
- Active cancer,
- Abuse of alcohol or drugs.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Ingen (Åben etiket)
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Incidence of nocturnal hypoglycemia (< 4mmol/L) occurring between 11pm and 7am, as determined with the Continuous Glucose Monitoring System (CGMS) and hemoglobin A1c
Tidsramme: end of 3 months for each group
|
end of 3 months for each group
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Nadir nocturnal BG, timing and duration of nocturnal hypoglycemia, fasting BG, lipid profile, psychosocial factors, total insulin dose, insulin sensitivity and body composition (weight, BMI, % fat, waist circumference).
Tidsramme: end of 3 months for each group
|
end of 3 months for each group
|
Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Jean_Francois Yale, MD, McGill Nutrition and Food Science Centre
Datoer for undersøgelser
Studer store datoer
Studiestart
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- A05-M27-00
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