- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00830778
Reduced Pancreatic Fistula Rate Following Pancreaticoduodenectomy: Trial on Pancreaticogastrostomy Versus Pancreaticojejunostomy
Reduced Postoperative Pancreatic Fistula Rate Following Pancreaticoduodenectomy; Multicentric Randomized Controlled Trial on Pancreaticogastrostomy vs. Pancreaticojejunostomy
The incidence of complications after pancreaticoduodenectomy (PD) is around 50 %. The postoperative course after PD is strongly dependent of the occurrence of pancreatic fistula (POPF), which determines postoperative mortality, length of hospital stay and costs. The incidence of POPF after PD is dependent of its definition, and is reported in up to 20% of patients.
There is disagreement on whether to perform a pancreaticojejunostomy (PJ) or a pancreaticogastrostomy (PG) after PD. The aim of the current randomized controlled trial is to study whether PG significantly reduces the rate of POPF following PD for pancreatic or peri-ampullary tumours. Secondary endpoints are the reduction of overall postoperative complication rate and their severity.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Therapeutic intervention
- Surgeons who have performed a minimum of five (5) PG and PJ procedures can include patients in this randomized trial.
- Any dissection device or technique is allowed.
Pancreatic anastomosis (PG or PJ)
- 1-layer or 2-layer anastomosis is allowed but has to be registered
- mono-filament and/or poly-filament suture material is allowed but has to be registered
- no pancreatic stent will be placed
- Drainage: one (1) or more closed drain(s) with or without suction is allowed in the vicinity of the pancreatic anastomosis
- Enteral tube feeding (tube positioned in the jejunum at the time of surgery, and distal to the pancreatic anastomosis) as well as total parenteral nutrition (TPN) is allowed
- Gastrostomy tube (percutaneous) is allowed
- Somatostatin: start intra-operatively and administered for seven (7) days after surgery at a dose of 6 mg/d
- Prophylactic use of antibiotics during 24h post-operatively
- Prophylactic use of Ranitidine as well as any PPI (proton pump inhibitor) is allowed to prevent peptic ulcer
Clinical evaluation and assessment criteria
- The number and type of POPF will be recorded according to the ISGPF guidelines and based on findings on day 3 (three) after surgery
- The number and type of postoperative complications will be recorded. The therapy-oriented severity grading system (TOSGS) of complications will be used and complications will be allocated to surgical (SSC) and non-surgical site (NSSC) complications
- The adequacy of the surgical resection margins (pR0) and the magnitude of the tumour-free resection margin (millimetres) will be monitored
- Postoperative length of hospital stay (LOS) will be registered
Patient randomization and registration procedure (randomization lists attached)
- This is a multicentric randomized controlled trial.
- Patient randomization will be done intra-operatively since a substantial number of patients could be dropped out intra-operatively because of the presence of unexpected intra-abdominal metastases at the time of surgery.
- Patient stratification will be performed for each centre and will be based on the diameter of the pancreatic duct. A pancreatic duct at the level of the surgical transsection margin measuring 3 millimetres or less in diameter is defined as being a "soft pancreas". A pancreatic duct measuring more than 3 millimetres is defined as a "hard pancreas".
- A prospective registration of following parameters will be performed: intra-operative diameter of the pancreatic duct at the surgical transection margin, diameter of the pancreas at the surgical transection margin, pancreatic tissue consistency assessed by the surgeon: soft vs. hard, post-operative pathology parameters.
Statistical analysis and sample size calculation based on a stratified design
- 40% of patients are expected to have a hard pancreas and 60% a soft pancreas.
- It is assumed that the magnitude of the effect of the intervention (PJ vs. PG) on the POPF rate, expressed as an odds ratio (OR), is similar in both strata.
- The needed sample size is calculated to have 80% power to detect a common odds ratio of 2.7. POPF rates of 12% and 20% are assumed after PJ within the hard and soft pancreas stratum respectively (yielding 4.8% and 8.4% after PG). Note that, given the unequal size strata, this leads to an expected POPF rate of 16.8% after PJ and 7% after PG (≈12% POPF overall).
- A 2-sided (with alpha=5%) Mantel-Haenszel test of OR=1 for stratified 2x2 tables is planned
- 168 patients are required per group (total patient population 336)
- Expected duration of recruitment: 3-4 years
- An interim analysis will be performed annually (i.e. after inclusion of 1/3 and 2/3 of the patients) to to allow early stop of the study (or accrual of patients in a specific treatment group) due to rejection of the null hypothesis. Using the O'Brien-Fleming method (O'Brien and Fleming 1979) results in respectively |3.471|, |2.454| and |2.004| as critical values for the Z-statistic at the three analysis moments. Otherwise stated, p-values are declared significant if <.00052, <0.0141 and <0.0451 at respectively the first interim analysis, the second interim analysis and at the final analysis.
- Exact 95% confidence intervals will be calculated for the POPF and post-operative complication rates within each stratum. A stratified Mann-Whitney U test will be used for the TOSGS grading.
Translational research: optional Prognostic relevance of gene expression profiling in pancreatic cancer: analyses will be performed at UZ.Leuven/KU.Leuven (project coordinator B.Topal)
- Fresh tissue samples from pancreatic cancer and from non-tumoral pancreatic tissue will be stored in RNA-later (samples in 2 separate tubes; 5-10 volumes of RNA-later)
- Sample tubes will be transported (or picked up by the coördinator's research team), within 3 days from sampling, to be stored in -80°C for further analyses
Study Type
Enrollment (Anticipated)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
-
Leuven, Belgium, 3000
- University Hospital Gasthuisberg
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients, male or female, who undergo PD for a pancreatic or peri-ampullary tumor
- Age between 18 to 85 years
- Patients with and without pre-operative biliary drainage (for obstructive jaundice)
- Concomitant surgical procedures such as simultaneous colonic resection etc.
- Reconstruction of the portal vein or superior mesenteric vein
Exclusion Criteria:
- Age < 18years
- Pregnancy
- Pre-operative radiotherapy
- PD for IPMT
- PD for chronic pancreatitis
- PD for pancreatic trauma
- PD for post-ERCP complications
- Any arterial reconstruction at the time of surgery
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: PG anastomosis
Pancreaticogastrostomy (PG) reconstruction/anastomosis after pancreaticoduodenectomy (PD)
|
Pancreaticogastrostomy (PG) reconstruction/anastomosis
|
Active Comparator: PJ anastomosis
Pancreaticojejunostomy (PJ) reconstruction/anastomosis after pancreaticoduodenectomy (PD)
|
Pancreaticojejunostomy (PJ) reconstruction/anastomosis
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Reduction of clinical postoperative pancreatic fistula (POPF) rate
Time Frame: 3 years
|
3 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Reduction of overall postoperative pancreatic fistula rate
Time Frame: 3 years
|
3 years
|
Reduction of the severity of postoperative complications
Time Frame: 3 years
|
3 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Director: Baki Topal, MD, PhD, Universitaire Ziekenhuizen KU Leuven
- Principal Investigator: Claude Bertrand, MD, Hospital Jolimont, Brussels
- Principal Investigator: Jean Closset, MD, PhD, Hospital Erasme (ULB), Brussels
- Principal Investigator: Henk Thieren, MD, AZ. St.Lucas, Brugge
- Principal Investigator: Franky Vansteenkiste, MD, General Hospital Groeninge
- Principal Investigator: Jean-Francois Gigot, MD, PhD, Université Catholique de Louvain
- Principal Investigator: Joseph Weerts, MD, St.Joseph Hospital, Liège
- Principal Investigator: Geert Roeyen, MD, University Hospital Antwerp, Antwerp
- Principal Investigator: Marc Janssens, MD, J.Palfijn Hospital, Antwerp
- Principal Investigator: Tom Feryn, MD, St.Jan Hospital, Brugge
- Principal Investigator: Steven Pauli, MD, Monica Hospital, Deurne
Publications and helpful links
General Publications
- Topal B, Fieuws S, Aerts R, Weerts J, Feryn T, Roeyen G, Bertrand C, Hubert C, Janssens M, Closset J; Belgian Section of Hepatobiliary and Pancreatic Surgery. Pancreaticojejunostomy versus pancreaticogastrostomy reconstruction after pancreaticoduodenectomy for pancreatic or periampullary tumours: a multicentre randomised trial. Lancet Oncol. 2013 Jun;14(7):655-62. doi: 10.1016/S1470-2045(13)70126-8. Epub 2013 May 2.
- Bertrand C, Squifflet JP, Gys T, Berrevoet F, Jehaes C, Lerut T, Malaise J, Topal B. The Society for Internet-based Scientific Studies: a new platform to promote multicentric studies in the Royal Belgian Society for Surgery. Acta Chir Belg. 2010 Jan-Feb;110(1):3-5. doi: 10.1080/00015458.2010.11680554. No abstract available. Erratum In: Acta Chir Belg. 2010 Mar-Apr;110(2):261.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- S51480
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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