The Effect of Bariatric Surgery on Metabolism, the Metabolome and Microbiome in Patients With Type 2 Diabetes (Microbiome)
Type 2 Diabetes Mellitus, Obesity
About this trial
This is an interventional basic science trial for Type 2 Diabetes Mellitus focused on measuring Bariatric Surgery, Weight loss
Eligibility Criteria
Inclusion Criteria:
- Age 20-65 years of age.
- Seen at Mayo Clinic Nutrition Clinic and have received authorization for RYGB surgery.
- Type 2 Diabetes Mellitus or impaired fasting glucose with BMI >35 AND not interested in surgery but are interested in supervised caloric restriction.
Exclusion Criteria:
- Previous treatment with thiazolidinediones.
- Chronic antibiotic therapy.
- Active microvascular or macrovascular complications of diabetes.
Sites / Locations
- Mayo Clinic in Rochester
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Active Comparator
Sham Comparator
Active Comparator
Placebo Comparator
Roux-en-Y Gastric Bypass (RYGB)
Caloric restriction
Exendin-9,39
Normal Saline
Subjects between the ages of 20-65 years of age seen for weight management in the Nutrition Clinic at Mayo Clinic, who have been approved for RYGB.
Subjects between the ages of 20-65 years of age, with diagnosis of Type 2 diabetes mellitus or impaired fasting glucose. Subjects will undergo caloric restriction alone to mimic weight loss seen after gastric bypass surgery.
Four subjects who have undergone RYGB surgery will be studied 4 weeks after surgery. Subjects will be randomized to receive an infusion of Exendin-9,39 or normal saline.
Four subjects who have undergone RYGB surgery will be studied 4 weeks after surgery. Subjects will be randomized to receive an infusion of Exendin-9,39 or normal saline.