Effects of Antidiabetic Medications on the Postprandial State in Prediabetes
Prediabetes, Obesity
About this trial
This is an interventional treatment trial for Prediabetes focused on measuring prediabetes, diabetes mellitus type 2, exenatide, saxagliptin, exenatide ER
Eligibility Criteria
Inclusion Criteria:
- Diagnosis of Prediabetes - defined as either impaired fasting glucose (fasting glucose of 100-125 mg/dL), impaired glucose tolerance (2-hour postprandial blood glucose of 140-199 mg/dL after 75 gram oral glucose challenge), and/or a hemoglobin A1C ranging from 5.7% to 6.4%
- Subjects are allowed, but not required, to be on statins, ACE-inhibitors, beta-blockers, angiotensin-receptor blockers, thiazide diuretics, and/or loop diuretics at doses that have been stable for at least the last 3 months
- BMI between 30-35 kg/m2 (±1 kg/m2)
- Body weight has been stable (±4-5 pounds) over the prior three months.
- Women of childbearing age must agree to use an acceptable method of pregnancy prevention (barrier methods, abstinence, or surgical sterilization) for the duration of the study
- Patients must have the following laboratory values: Hematocrit ≥ 34 vol% S. creatinine < 1.5 mg/dl in men and 1.4 mg/dl in women AST (SGOT) < 2.5 times ULN, ALT (SGPT) < 2.5 times ULN, alkaline phosphatase< 2.5 times ULN
Exclusion Criteria:
- History of Type 1 or Type 2 diabetes mellitus
- History of diabetic ketoacidosis or hyperosmolar nonketotic coma
- Pregnant or breastfeeding women
- Patients must not be receiving lipid-lowering medications other than statins within the last 3 months
- Patient must not be receiving metformin, DPP-IV inhibitors, GLP-1 agonists, thiazolidinediones, insulin, sulfonylureas, acarbose, SGLT-2 inhibitors, corticosteroids, or immunosuppressive therapy within the last 3 months and cannot take them for the duration of the study. Patient must not be receiving NSAIDS or antioxidant vitamins within the last 1 week, and cannot take them for the duration of the study.
- Patients must not be on hormone replacement therapy.
- Patients with diabetic gastroparesis
- Patients with current tobacco use
- Patients with active malignancy
- Patients with history of urinary bladder cancer
- Patients with dietary restrictions precluding a high-fat meal
- Patients with a history of clinically significant heart disease (NYHA III or IV; more than non- specific ST-T wave changes on the EKG), peripheral vascular disease (history of claudication), or pulmonary disease (dyspnea on exertion of one flight or less; abnormal breath sounds on auscultation) will not be studied
- Subjects with a history of any serious hypersensitivity reaction to the study medications
- Prisoners or subjects who are involuntarily incarcerated
- Subjects who are compulsorily detained for treatment of either a psychiatric or physical (e.g., infectious disease) illness
- Subjects with known allergic reactions to the study medications or test meal
- Subjects unwilling or unable to provide informed consent
- Subjects determined by the investigator(s) to not be appropriate candidates for the study
Sites / Locations
- The University of Texas Health Science Center at Houston
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Arm 11
Arm 12
Experimental
Experimental
Placebo Comparator
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Exenatide, then Saxagliptin, then Placebo
Exenatide, then Placebo, then Saxagliptin
Saxagliptin, then Exenatide, then Placebo
Saxagliptin, then Placebo, then Exenatide
Placebo, then Exenatide, then Saxagliptin
Placebo, then Saxagliptin, then Exenatide
Exenatide, then Saxagliptin, then Placebo, then Exenatide ER
Exenatide, then Placebo, then Saxagliptin, then Exenatide ER
Saxagliptin, then Exenatide, then Placebo, then Exenatide ER
Saxagliptin, then Placebo, then Exenatide, then Exenatide ER
Placebo, then Exenatide, then Saxagliptin, then Exenatide ER
Placebo, then Saxagliptin, then Exenatide, then Exenatide ER
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablets and Placebo (normal saline) injections
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablets and Placebo (normal saline) injections
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablets and Placebo (normal saline) injections
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablets and Placebo (normal saline) injections
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablets and Placebo (normal saline) injections
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablets and Placebo (normal saline) injections
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablet and Placebo (normal saline) injection; Subcutaneous injection (2mg) weekly for 6 weeks
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablet and Placebo (normal saline) injection; Subcutaneous injection (2mg) weekly for 6 weeks
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablet and Placebo (normal saline) injection; Subcutaneous injection (2mg) weekly for 6 weeks
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablet and Placebo (normal saline) injection; Subcutaneous injection (2mg) weekly for 6 weeks
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablet and Placebo (normal saline) injection; Subcutaneous injection (2mg) weekly for 6 weeks
Exenatide Single subcutaneous injection (10 mcg); Saxagliptin Single dose orally (5 mg); Placebo tablet and Placebo (normal saline) injection; Subcutaneous injection (2mg) weekly for 6 weeks