The Role of Glucose-Dependent Insulinotropic Polypeptide in the Pathological Glucose Homeostasis Of Type 1 Diabetes
The Role of Glucose-dependent Insulinotropic Polypeptide in the Pathological Glucose Homeostasis of Type 1 Diabetes
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Hellerup, Denmark, 2800
- Steno Diabetes Center CopenhagenSteno Diabetes Center Copenhagen, Clinical Metabolic Physiology
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Body mass index between 20 and 27 kg/m2
- T1D (diagnosed according to the criteria of the World Health Organization) with HbA1c <69 mmol/mol (<8.5%)
- Treatment with a stable insulin regimen ≥3 months
- T1D duration between 2 and 15years
- C-peptide negative (C-peptide ≤ 16 ng/ml)
- Informed consent
Exclusion Criteria:
- Anemia (hemoglobin outside normal range)
- Known liver disease and/or ALAT and/or ASAT > 2 times normal values
- Estimated glomerular filtration rate (eGFR) ≤60 ml/min/1.73 m2 or albuminuria
- Prior Cardiovascular events and/or abnormal heart rate/blood pressure
- Use of anti-diabetic medicine (other than insulin), corticosteroids or other drugs affecting glucose metabolism during the study period or within 30 days prior to randomization
- Any physical or psychological condition that the investigator feels would interfere with trial participation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Placebo Comparator: Placebo
Saline
|
Infusion of Glucose-dependent insulinotropic peptide
|
|
Active Comparator: Glucose-Dependent Insulinotropic Polypeptide
6-day continuous infusion of Glucose-Dependent Insulinotropic Polypeptide
|
Infusion of Glucose-dependent insulinotropic peptide
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Blood glucose
Time Frame: an average of 6 days
|
Time spent in hypoglycemia, near-normoglycemia and hyperglycemia
|
an average of 6 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Incretin hormones
Time Frame: Evaluated at experimental day 0,1 and 6 of each intervention
|
Incretin hormones GLP-1 and GIP.
Incremental and total area under the Concentration-Time Curve
|
Evaluated at experimental day 0,1 and 6 of each intervention
|
|
Free fatty acids (FFA)
Time Frame: Evaluated at experimental day 0,1 and 6 of each intervention
|
Incremental and total area under the Concentration-Time Curve
|
Evaluated at experimental day 0,1 and 6 of each intervention
|
|
Fat mRNA
Time Frame: At day 6, and 10 of the study
|
mRNA analysis of fat biopsies
|
At day 6, and 10 of the study
|
|
Fat Protein content
Time Frame: Evaluated at experimental day 0,1 and 6 of each intervention
|
Protein analysis of fat biopsies
|
Evaluated at experimental day 0,1 and 6 of each intervention
|
|
Blood pressure
Time Frame: The first 24 hours of intervention and at experimental day 6
|
Changes in blood pressure, mm Hg
|
The first 24 hours of intervention and at experimental day 6
|
|
Pulse
Time Frame: The first 24 hours of intervention and at experimental day 6
|
Changes in pulse, beats per minute
|
The first 24 hours of intervention and at experimental day 6
|
|
Glucose regulatory hormones
Time Frame: Evaluated at experimental day 0,1 and 6 of each intervention
|
Counter regulatory hormones: glucagon, noradrenalin, cortisol, somatotropin, and insulin/c-peptide.
Incremental and total area under the Concentration-Time Curve
|
Evaluated at experimental day 0,1 and 6 of each intervention
|
|
Number of symptomatic hypoglycemic events
Time Frame: An average of 1 week
|
Self-reported events
|
An average of 1 week
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- GIPHOT
- H-18015379 (Other Identifier: Research Ethics in the Capital of Denmark)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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