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In this experimental group, a lock stitch will be placed after transecting the pancreas with stapler.

In this control group, no additional reinforcement is used after transecting the pancreas with stapler.

The operator will perform reinforcement of the staple line with a continuous lock stitch.

reinforcement of the staple line

The operator transect the pancreas with stapler only, without staple line reinforcement.

staple only

Feng Tian, Doctor

Jun Lu, Doctor

Junchao Guo, Doctor

Postoperative fistula is the major complications of distal pancreatectomies which prohibit patients' recovery. Previous studies have reported controversial results regarding the efficacy of pancreatic stump reinforcement methods. Prior research has commonly included minimally invasive and open cases together. Moreover, stapler and suture were combined in most studies making interpretation difficult. Data has shown that staple line plus reinforcement might potentially decrease the CR-POPF rate of patients who underwent distal pancreatectomies, but well-designed high-quality evidence is lacking. Thus, the investigators design the present study to the question that whether routine staple line plus reinforcement would bring benefit for participants.

Distal pancreatectomy (DP)is the standard surgical method for benign or malignant pancreatic tumors locating at body and tail \[1\]. Clinically relevant postoperative pancreatic fistula (CR-POPF) is the major complication after pancreatectomy. In literature, reported CR-POPF rate after distal pancreatectomy varied between 5% and 64% from different centers. It's still a challenge to prevent CR-POPF via effective pancreatic remnant closure and no consensus on the optimal surgical technique has been established. Reported surgical strategies to prevent CR-POPF included stapler transection, staple line reinforcement, stump coverage with autologous tissue or fibrin glue, mesh reinforcement, and prophylactic administration of octreotide. However, none had convincing outcome \[2-4\].

Data has shown that staple line plus suture reinforcement might potentially decrease the CR-POPF rate of patients who underwent distal pancreatectomies, but well-designed high-quality evidence is lacking. Meanwhile, prior researches have commonly included minimally invasive and open cases together. Moreover, stapler and suture were combined in most studies making interpretation difficult \[5-8\].

Thus, the investigators design a single-centered, parallel, randomized controlled trial to compare the efficacy of routine staple line plus reinforcement versus staple only on the CR-POPF rate of participants who underwent minimally invasive distal pancreatectomies.

The study is a single-center, randomized controlled clinical trial. Grouping: the study group is set as "staple line plus reinforcement" group, in which a lock stitch will be placed after transecting the pancreas with stapler. While the control group is set as "staple line with no reinforcement" group, in which no additional reinforcement is used after transecting the pancreas with stapler.

It will be single blinded. Operator, first assistant and data collector could not be blinded. Whereas patients, nurses, data analyzer, and those who have the access to the primary predictor will be blinded.

Routine Staple Line Reinforcement for Minimally Invasive Distal Pancreatectomy

Efficacy of Routine Staple Line Reinforcement Versus no Reinforcement on Pancreatic Fistula After Minimally Invasive Distal Pancreatectomy: A Single Center, Parallel, Randomized Controlled Trial

CR-POPF is defined according to the revised 2016 version of ISGPS (International Study Group on Pancreatic Surgery) classification and grading of POPF. A CR-POPF is defined as a drain output of any measurable volume of fluid with amylase level greater than 3 times the upper Institutional normal serum amylase level, associated with a clinically relevant development/condition related directly to the POPF.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Routine Staple Line Reinforcement for Minimally Invasive Distal Pancreatectomy	NCT04663789	Pancreas Neopla... Stump Surgery--Compli...	reinforcement o... staple only	18 Years - 80 Years	Peking Union Medical College Hospital
Routine Staple Line Reinforcement for Minimally Invasive Distal Pancreatectomy	NCT04663789	Pancreas Neopla... Stump Surgery--Compli...	reinforcement o... staple only	18 Years - 80 Years	Peking Union Medical College Hospital

Spots Global Cancer Trial Database for stump

Every month we try and update this database with for stump cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.

Spots Global Cancer Trial Database for stump

Every month we try and update this database with for stump cancer trials from around the world to help patients and their families find trials that might be right for them. We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.

Every month we try and update this database with for stump cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.