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This is a prospective, randomized controlled trial to investigate the impact of a long biliopancreatic limb of Roux-en-Y reconstruction on diabetes control in patients with concurrent type 2 diabetes and gastric cancer
The present study aimed to compare the changes in glucose metabolism and incretin hormone responses following long-limb bypass Roux-en-Y reconstruction with different biliopancreatic limb lengths after distal gastrectomy in gastric cancer patients with type 2 diabetes. This is a prospective, single-center, randomized controlled trial. Patients diagnosed with stage I gastric cancer and type 2 diabetes are eligible for the present study. Patients who will undergo laparoscopic distal gastrectomy for cancer located at the lower two-thirds of the stomach will only be included.
The reconstruction method will be randomly assigned among long-Roux limb Roux-en-Y (with 100 cm-long Roux limb & 50cm-long biliopancreatic limb) or long-biliopancreatic limb Roux-en-Y (with 50 cm-long Roux limb & 100cm-long biliopancreatic limb) reconstruction methods.
All the patients are subjected to a 75g-oral glucose tolerance test (OGTT) preoperatively, and at 3 months, 6 months postoperatively, and serum glucose, as well as incretin hormones, will be serially measured. Fecal samples will be obtained preoperatively and at 3 months after surgery for gut microbiota analyses.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| long RL group | Active Comparator | long Roux limb Roux-en-Y reconstruction |
|
| long BPL group | Experimental | long biliopancreatic limb Roux-en-Y reconstruction |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| long Roux limb Roux-en-Y reconstruction | Procedure | After standard laparoscopic distal gastrectomy with radical lymphadenectomy, the gastrointestinal continuity will be restored with Roux-en-Y reconstruction using 100 cm-long Roux limb and 50 cm-long biliopancreatic limb. |
| Measure | Description | Time Frame |
|---|---|---|
| diabetes remission rate (%) | rate of the patients with HbA1c < 6.5% without medication | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| delta HbA1c (%) | difference of preoperative HbA1c and postoperative HbA1c | 6 months |
| changes in body mass index (BMI, kg/m2) | difference of preoperative BMI and postoperative BMI |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ji Yeon Park, MD | Kyungpook National University Chilgok Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kyungpook National University Chilgok Hospital | Daegu | 41404 | South Korea |
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| ID | Term |
|---|---|
| D013274 | Stomach Neoplasms |
| D003924 | Diabetes Mellitus, Type 2 |
| ID | Term |
|---|---|
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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| long biliopancreatic limb Roux-en-Y reconstruction | Procedure | After standard laparoscopic distal gastrectomy with radical lymphadenectomy, the gastrointestinal continuity will be restored with Roux-en-Y reconstruction using 50 cm-long Roux limb and 100 cm-long biliopancreatic limb. |
|
| up to 6 months |
| changes in body fat mass (kg) | difference in body fat mass measured by bioimpedance analysis | up to 6 months |
| changes in lean body mass (kg) | difference in lean body mass measured by bioimpedance analysis | up to 6 months |
| changes in blood glucose and insulin concentration | changes in dynamic blood glucose and insulin levels up to 2 hours after 75g - oral glucose challenge | up to 6 months |
| changes in dynamic incretin hormone secretion | changes in dynamic GLP-1 and GIP secretion up to 2 hours after 75g oral glucose challenge | up to 6 months |
| changes in gut microbiota | gut microbiota analysis from the fecal samples | before & at 3 months after surgery |
| D004066 |
| Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D013272 | Stomach Diseases |
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |