* Effects of autologous islet transplantation were compared to those of oral anti-diabetic drugs after distal pancreatectomy. * The primary interest is a insulin-secretory function after the surgery in two intervention groups.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
28
Islet was isolated from the normal part of resected pancreas with modified Ricordi method. After purification, the islets were infused into the liver through percutaneous transhepatic portal vein catheterization.
* Metformin on the diagnosis of postoperative diabetes mellitus. Starting dose of 500mg per day and dose adjustment as needed to control blood glucose. * Vildagliptin added on the insufficient glycemic control with monotherapy. Starting dose of 50mg per day and dose adjustment as needed to control blood glucose.
Seoul National University Hospital
Seoul, South Korea
Changes of insulin secretory function
Insulin secretion was evaluated by calculating insulinogenic index (Δ insulin30min (μIU/ml)/Δglucose30min (mmol/L) during 75g-OGTT) and homeostasis model assessment for beta cell function (HOMA-B).
Time frame: preop., 1 week and 1 month postop., and every 3 months after the surgery until 5 year postop.
Changes of glucose tolerance
Glucose tolerance was evaluated by HbA1c (%), 1,5-anhydroglucitol (ug/ml), and area under the curve of glucose (75g OGTT, mg/dl\*min).
Time frame: preop., 1 week and 1 month postop., and every 3 months after the surgery until 5 year postop.
Incidence of postoperative diabetes mellitus
Time frame: preop., 1 week and 1 month postop., and every 3 months after the surgery until 5 year postop.
Changes of insulin resistance
Insulin resistance was evaluated by homeostasis model assessment for insulin resistance (HOMA-IR).
Time frame: preop., 1 week and 1 month postop., and every 3 months after the surgery until 5 year postop.
Adverse effects
Time frame: preop., 1 week and 1 month postop., and every 3 months after the surgery until 5 year postop.
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