Postprandial Hypoglycemia Clinical Trial
— CANA-PHH-RYGBOfficial title:
Canagliflozin: a New Therapeutic Option in Patients That Present Postprandial Hyperinsulinemic Hypoglycemia After Roux-en-Y-gastric By-pass
Roux-en-Y gastric bypass (RYGB) is the most common surgical procedure for morbid obesity. However, it can present serious late complications, like postprandial hyperinsulinemic hypoglycemia (PHH). Recent data suggested an increase in intestinal SGLT1 after RYGB. However, there are no data on the inhibition of SLGT1 to prevent PHH in patients with prior RYBG. Objectives: To evaluate in patients that present PHH after RYGB: a) the effect of canagliflozin 300mg on the response to 100g glucose overload (OGTT); b) the pancreatic response after intra-arterial calcium stimulation. Material and methods: Prospective pilot study, including patients with PHH after RYGB, matched by age and gender with healthy controls. Basal OGTT and after 2-weeks of daily 300mg of canagliflozin will be performed. In addition, venous sampling after intra-arterial calcium stimulation of the pancreas will be performed.
Status | Recruiting |
Enrollment | 40 |
Est. completion date | December 31, 2022 |
Est. primary completion date | December 20, 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 60 Years |
Eligibility | Inclusion Criteria: - Patients diagnosed with PHH following Roux-en-Y-gastric by-pass, by means of 100g Glucose OGTT. Plasma glucose <50mg/dl. - Patients that during any time of the OGTT present at least one value of plasma glucose >200mg/dl, besides hypoglycemia Exclusion Criteria: - Patients unwilling to take canagliflozin 300mg - Patients that present with PHH following other bariatric surgery techniques |
Country | Name | City | State |
---|---|---|---|
Spain | Andreea Ciudin | Barcelona |
Lead Sponsor | Collaborator |
---|---|
Hospital Universitari Vall d'Hebron Research Institute |
Spain,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | response to OGTT in basal conditions and after treatment with canagliflozin 300 mg in patients with PHH after RYGB | The OGTTis performed as follows: a solution of 100g glucose is administered at 8am after 10 hours of fasting. Plasma glucose and serum insulin were measured at minute -5, +30, +60, +120, +180 after the ingestion of the glucose solution. A first OGTT was performed in basal conditions. The control group only performed the basal OGTT. A value of plasma glucose below 50mg/dl at 60-180 minutes after the administration of the glucose solution is considered positive for PHH. The patients that additionally presented a value of plasma glucose>200mg/dl during the OGTT were selected for continuing in the study and were prescribed canagliflozin 300mg orally daily, during two weeks, and 100g glucose OGTT was repeated. | Baseline to 180 minutes | |
Secondary | Presence of nesidioblastosis | By evaluating pancreatic response to intra-arterial calcium stimulation. The right femoral artery is catheterized with another 4.1 Fr, followed by standard pancreatic arteriography, with selective injections of nonionic contrast agent into the superior mesenteric artery, gastroduodenal artery, splenic artery and common hepatic artery. Following each selective arteriogram, 10% calcium gluconate solution is diluted with normal saline into a 5 mL bolus and injected into the selective artery at a dose of 0.010-0.025 mEq Ca2+/kg. A >2-fold gradient in insulin concentration at 30, 60, 90 or 120 seconds after the arterial calcium injection and baseline in any of the superior mesenteric artery, gastroduodenal artery, splenic artery and common hepatic artery was defined as a positive response for endogenous hyperinsulinism. | 30 minutes |
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