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Insulin Exposure and Glucose Response to Meals in Type 1 Diabetic Subjects Administered Two Different Insulin Regimens Compared to the Endogenous Insulin Exposure and Glucose Response to Meals In Healthy Adult Controls
An Open-Label, Randomized, Two-Period, Crossover Study to Characterize the Insulin Exposure and Glucose Response to Meals in Type 1 Diabetic Subjects Administered Two Different Insulin Regimens Compared to the Endogenous Insulin Exposure and Glucose Response to Meals In Healthy Adult Controls
Intensive control of Type 1 Diabetes is critical in prevention of long term complications. Unfortunately, there is a three-fold increase in hypoglycemia with intensive control. Hypoglycemia is often the major limiting factor in achieving good control. Insulin treatment of diabetes is composed of some form of short acting insulin regimen in order to provide control of blood glucose excursions that are the result of glucose intake as well as a basal insulin regimen either in a continuous administration (as in continuous subcutaneous insulin infusion-"pump therapy"), once a day injection (insulin Glargine), twice a day (ultralente or NPH or lente insulin) or a premixed version that is combined with the short acting insulin (70/30 or 75/25). Often low blood sugars are the result of less physiologically absorbed insulins whose peak of action is earlier or later than the peak absorption of glucose from a meal.
Apidra (glulisine insulin) is a new short acting insulin analogue whose peak and duration of action are ideal in that it may be administered more appropriately prior to and even after a meal with evidence of good control of blood glucose excursions from a meal. The purpose of this study is to compare the effect of Apidra upon meal related blood glucose profile as compared to those treated with 70/30 insulin in patients with Type 1 Diabetes. The investigators also will study healthy volunteers as controls who will not be treated with insulin but will be evaluated for mealtime absorption and blood glucose profile during similar meal intake. The investigators will use a stable isotope tritiated glucose.
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
Intensive control of Type 1 Diabetes is critical in prevention of long term complications. Unfortunately, there is a three-fold increase in hypoglycemia with intensive control. Hypoglycemia is often the major limiting factor in achieving good control. Insulin treatment of diabetes is composed of some form of short acting insulin regimen in order to provide control of blood glucose excursions that are the result of glucose intake as well as a basal insulin regimen either in a continuous administration (as in continuous subcutaneous insulin infusion-"pump therapy"), once a day injection (insulin Glargine), twice a day (ultralente or NPH or lente insulin) or a premixed version that is combined with the short acting insulin (70/30 or 75/25). Often low blood sugars are the result of less physiologically absorbed insulins whose peak of action is earlier or later than the peak absorption of glucose from a meal.
Apidra (glulisine insulin) is a new short acting insulin analogue whose peak and duration of action are ideal in that it may be administered more appropriately prior to and even after a meal with evidence of good control of blood glucose excursions from a meal. The purpose of this study is to compare the effect of Apidra upon meal related blood glucose profile as compared to those treated with 70/30 insulin in patients with Type 1 Diabetes. We also will study healthy volunteers as controls who will not be treated with insulin but will be evaluated for mealtime absorption and blood glucose profile during similar meal intake. We will use a stable isotope tritiated glucose.
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
Diabetic Subjects
- 12 adults (males or females) with Type 1 Diabetes, aged 18 to 55 years.
- C-peptide-negative
- Body mass index < 29.0 kg/m2
Healthy Subjects
- 12 non-smoking adults (males or females), aged 18 to 55 years
- Normal response to an oral glucose tolerance test (OGTT)
- Body mass index < 29.0 kg/m2
Exclusion Criteria:
Diabetic Subjects
- Hemoglobin A1c >9%
- Total daily insulin requirements >0.8 units/kg actual body weight
- History of hypoglycemia that required the subject to see medical attention (i.e., doctor's office visit, ER visit, or EMT/paramedic attention) within 6 months of the study.
- History of acute metabolic complications within 3 months of the study
- History of lipodystrophy.
- History of or suspected diabetic gastroparesis or current treatment with any drugs known to affect gastrointestinal motility.
- Inability or unwillingness to administer subcutaneous insulin injections in the abdomen.
- Any past or present clinically relevant abnormality, medical condition, or circumstance making the subject unsuitable for participation in the study.
- Active peptic ulcer disease or a history of gastrointestinal surgery within the last 6 months years.
- History of malignancy (except basal cell carcinoma and carcinoma in situ) within the last 5 years.
- Pregnant or lactating females or females of childbearing potential who are unwilling to abstain from sexual intercourse or use reliable, medically accepted methods of contraception.
- History of alcoholism or drug abuse within 12 months of the study.
- Is the investigator, sub-investigator, research assistant, pharmacist, study coordinator, other study staff, or relative thereof directly involved in the conduct of this protocol.
Healthy Subjects
- Hemoglobin A1c >6.0%
- Any past or present clinically relevant abnormality, medical condition, or circumstance making the subject unsuitable for participation in the study.
- Historical, clinical, or laboratory evidence of liver disease including but not limited to transaminase activity concentrations >2.5 times the upper limit of the reference range.
- Current treatment with any drugs known to affect gastrointestinal motility.
- Active peptic ulcer disease or a history of gastrointestinal surgery within the last 6 months.
- History of malignancy (except basal cell carcinoma and carcinoma in situ) within the last 5 years.
- Pregnant or lactating females or females of childbearing potential who are unwilling to abstain from sexual intercourse or use reliable, medically accepted methods of contraception.
- History of alcoholism or drug abuse within 12 months of the study.
- Is the investigator, sub-investigator, research assistant, pharmacist, study coordinator, other study staff, or relative thereof directly involved in the conduct of this protocol.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Crossover-opdracht
- Masker: Enkel
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
---|---|
Actieve vergelijker: Apidra (insulin glulisine)
Administration of Apidra at three meals during a 24 hour period.
|
Dose injection of insulin glargine (Lantus®) given subcutaneously in the abdomen 1 hour prior to breakfast and a dose of insulin glulisine (Apidra®) at a dose based upon your (body wt.) carbohydrate intake for each of the three meals (breakfast, lunch and dinner).
Andere namen:
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Actieve vergelijker: 70/30 insulin
Administration of 73/30 insulin at three meals during a 24 hour period.
|
Dose based on carbohydrate intake given subcutaneously in the abdomen prior to breakfast and dinner.
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
---|---|
Insulin levels
Tijdsspanne: 24 hours
|
24 hours
|
Medewerkers en onderzoekers
Sponsor
Medewerkers
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- 050116
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