Assessment of Pancreatic Beta Cell Mass and Function by Positron Emission Tomography Imaging in Human Diabetes Mellitus
type1diabetes, Type2diabetes, Pre Diabetes
About this trial
This is an interventional basic science trial for type1diabetes focused on measuring diabetes, beta-cell, exendin, PET-CT
Eligibility Criteria
Inclusion Criteria: Age ≥18 years; ≤ 75 years Both sexes Good health Absence of exclusion criteria Able to understand methods, goals, and implications of the research and of delivering a free, written informed consent Exclusion Criteria: Hemoglobin < 12 g/dl HbA1c > 10% Pregnancy or breast-feeding If not in menopause, women not using effective birth control methods or not willing to undergo a pregnancy test History of severe psychiatric disorder or alcohol abuse Recent head traumas (<6 months) Active neurologic diseases Claustrophobia Active malignant neoplasms Severe kidney and/or liver disease Recent (<6 months) major adverse cardiovascular events Heart failure (class NYHA 3-4) Drugs known to affect beta cell function and/or insulin sensitivity Current or past treatment with GLP1R-agonists Intolerance to exenatide Endocrine diseases, other than diabetes mellitus, known to affect beta cell function and/or insulin sensitivity, except well controlled hypothyroidism or adrenal insufficiency COPD on day time oxygen therapy Any current acute disease
Sites / Locations
- Azienda Ospedaliero Universitaria di ParmaRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Other
Other
Other
Other
Other
Other
Other
long standing type 1 diabetes (> 20 yrs)
newly diagnosed type 1 diabetes (< 5yrs)
long standing type 2 diabetes (> 20 yrs)
newly diagnosed type 2 diabetes (<6 months)
pre-diabetes
hyperinsulinemic
control
68Ga-exendin4 PET-CT scan +mixed meal test
68Ga-exendin4 PET-CT scan +mixed meal test
68Ga-exendin4 PET-CT scan +mixed meal test
68Ga-exendin4 PET-CT scan +mixed meal test
68Ga-exendin4 PET-CT scan +mixed meal test
68Ga-exendin4 PET-CT scan +mixed meal test
68Ga-exendin4 PET-CT scan +mixed meal test