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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05475275
Other study ID # 2022(148)
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date February 1, 2022
Est. completion date June 1, 2025

Study information

Verified date July 2022
Source West China Hospital
Contact Bole Tian, MD
Phone 86-28-85422474
Email hxtbl0338@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study was to reduce the incidence of postoperative pancreatic fistula after pancreaticoduodenectomy by using different pancreaticojejunostomy methods according to the position of the pancreatic duct.


Description:

Pancreatectomy, especially pancreaticoduodenectomy, is the most complicated surgical approach in all abdominal surgeries. Postoperative pancreatic fistula (POPF) is the most serious complication after pancreaticoduodenectomy. Once it occurs, it will affect postoperative recovery, increase abdominal infection, and even lead to postoperative hemorrhage and life-threatening conditions. The quality of pancreaticojejunostomy has an inevitable relationship with postoperative pancreatic fistula. At present, there are many studies based on the risk factors for pancreatic fistula, including the texture of the pancreas, the diameter of the pancreatic duct, the patient's general condition and other factors, but little attention has been given to the position of the pancreatic duct in the residual pancreatic section. At present, the choice of pancreaticojejunostomy is more arbitrary. Although duct-to-mucosa pancreaticojejunostomy has become mainstream, there are still great differences. At present, there is no pancreaticojejunostomy that can completely avoid the occurrence of pancreatic fistula. The investigators found that the anatomical position of the pancreatic duct in pancreatic section was very important in pancreaticoduodenectomy and divided them into the central type and eccentric type. It was initially found that the incidence of pancreatic fistula after an eccentric pancreatic duct was significantly increased. It was confirmed that the anatomical position of the pancreatic duct is related to the occurrence of POPF. On this basis, the investigators proposed that different types of pancreatic ducts using different anastomosis methods, which may reduce the incidence of POPF. The study data come from the Department of Pancreatic Surgery, West China Hospital, Sichuan University, and the sample size is estimated from the number of patients admitted to the Department of Pancreatic Surgery in the past two years according to the POPF rate. The participants were randomly divided into the experimental group and the control group. The experimental group underwent intraoperative measurements (A: short distance from the center of the pancreatic duct to the edge of the pancreas) and (B: pancreatic thickness). When the ratio of the thickness of the short distance from the center of the pancreatic duct to the edge of the pancreas at the pancreatic section was ≥0.401, it was divided into the N1 group (central pancreatic duct). If the ratio was <0.401, it was divided into the N2 group (eccentric pancreatic duct). The "central pancreatic duct" group was given "1+1 mode" pancreaticojejunostomy; the "eccentric pancreatic duct" group was given "1+1² mode" pancreaticojejunostomy. The patients in the control group were given "traditional pancreaticojejunostomy". The preoperative basic conditions and postoperative clinically relevant pancreatic fistula and other complications were compared between the two groups. This is expected to be confirmed by the investigators basing on the different types of pancreatic ducts, and the corresponding pancreaticojejunostomy can reduce the incidence of postoperative pancreatic fistula in patients undergoing pancreaticoduodenectomy. The primary outcome was the rate of POPF, and the secondary outcomes included postoperative hemorrhage, postoperative biliary fistula, delayed gastric emptying and so on. Preoperative baseline characteristic data were collected, including age, sex, BMI, ASA, preoperative serum protein level, preoperative blood total bilirubin level, and so on. The postoperative complications and recovery data were collected.


Recruitment information / eligibility

Status Recruiting
Enrollment 924
Est. completion date June 1, 2025
Est. primary completion date February 1, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria: - Clinical diagnosis of benign or malignant peri-ampullary diseases - The participants have age more than18 years - The participants have adequate organ function to tolerate surgery Exclusion Criteria: *The participants undergoing other organ surgery at the same time

Study Design


Intervention

Procedure:
pancreaticojejunostomy
The experimental group underwent intraoperative measurements (A: short distance from the center of the pancreatic duct to the edge of the pancreas) and (B: pancreatic thickness). When the ratio of the thickness of the short distance from the center of the pancreatic duct to the edge of the pancreas at the pancreatic section was =0.401, it was divided into the N1 group (central pancreatic duct). If the ratio was <0.401, it was divided into the N2 group (eccentric pancreatic duct). The "central pancreatic duct" group was given "1+1 mode" pancreaticojejunostomy; the "eccentric pancreatic duct" group was given "1+1² mode" pancreaticojejunostomy.

Locations

Country Name City State
China Bole Tian Chengdu Sichuan

Sponsors (1)

Lead Sponsor Collaborator
Junjie Xiong

Country where clinical trial is conducted

China, 

References & Publications (7)

Ecker BL, McMillan MT, Asbun HJ, Ball CG, Bassi C, Beane JD, Behrman SW, Berger AC, Dickson EJ, Bloomston M, Callery MP, Christein JD, Dixon E, Drebin JA, Castillo CF, Fisher WE, Fong ZV, Haverick E, Hollis RH, House MG, Hughes SJ, Jamieson NB, Javed AA, — View Citation

Hirono S, Kawai M, Okada KI, Miyazawa M, Kitahata Y, Hayami S, Ueno M, Yamaue H. Modified Blumgart Mattress Suture Versus Conventional Interrupted Suture in Pancreaticojejunostomy During Pancreaticoduodenectomy: Randomized Controlled Trial. Ann Surg. 2019 — View Citation

Keck T, Wellner UF, Bahra M, Klein F, Sick O, Niedergethmann M, Wilhelm TJ, Farkas SA, Börner T, Bruns C, Kleespies A, Kleeff J, Mihaljevic AL, Uhl W, Chromik A, Fendrich V, Heeger K, Padberg W, Hecker A, Neumann UP, Junge K, Kalff JC, Glowka TR, Werner J — View Citation

Su AP, Ke NW, Zhang Y, Wang WG, Zhang ZD, Liu XB, Hu WM, Tian BL. Does modified Braun enteroenterostomy improve alkaline reflux gastritis and marginal ulcer after pancreaticoduodenectomy? Dig Dis Sci. 2013 Nov;58(11):3224-31. doi: 10.1007/s10620-013-2803- — View Citation

Su AP, Zhang Y, Ke NW, Lu HM, Tian BL, Hu WM, Zhang ZD. Triple-layer duct-to-mucosa pancreaticojejunostomy with resection of jejunal serosa decreased pancreatic fistula after pancreaticoduodenectomy. J Surg Res. 2014 Jan;186(1):184-91. doi: 10.1016/j.jss. — View Citation

Wang WG, Fu L, Babu SR, Wang L, Liang CP, Tian BL. Incidence of and Risk Factors and Reinterventions for Post-Pancreatoduodenectomy Hemorrhage: Retrospective Analysis. Dig Surg. 2018;35(1):19-27. doi: 10.1159/000460263. Epub 2017 Apr 7. — View Citation

Wu C, Hou SZ, Wu Z, Huang X, Wang Z, Tian B. Prognostic Nomogram for patients undergoing radical Pancreaticoduodenectomy for adenocarcinoma of the pancreatic head. BMC Cancer. 2021 May 27;21(1):624. doi: 10.1186/s12885-021-08295-5. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Postoperative pancreatic fistula(POPF) as assessed by 2016 ISGPS definition 2016 ISGPS definition(POPF):A drain output of any measurable volume of fluid with an amylase level >3 times the upper limit of institutional normal serum amylase activity, associated with a clinically relevant development/condition related directly to the postoperative pancreatic fistula. Within 30 days
Secondary Postoperative hemorrhage as assessed by ISGPS definition Postoperative hemorrhage(ISGPS definition):definition of PPH is based on three parameters: time of onset, location, and severity of hemorrhage: (1)Onset is either early (=24 hours after end of the index operation) or late (>24 hours); (2) Location is either intraluminal (eg,pancreatic surface, anastomoses, gastric/duodenal ulcer/erosion, or hemobilia) or extraluminal (eg, arterial or venous vessel, operating field, external suture or staple line, or pseudoaneurysm); (3) Severity of bleeding may be mild or severe. Within 30 days
Secondary Delayed gastric emptying as assessed by ISGPS definition Delayed gastric emptying(ISGPS definition):Delayed gastric emptying represents the inability to return to a standard diet by the end of the first postoperative week and includes prolonged nasogastric intubation of the patient. Three different grades (A, B, and C) were defined based on the impact on the clinical course and on postoperative management. Within 30 days
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