- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06024343
Minimally Invasive Pancreatic Enucleation With Main Pancreatic Duct Repair or Reconstruction
Long-term Prognosis and Quality of Life in Minimally Invasive Pancreatic Enucleation With Main Pancreatic Duct Repair or Reconstruction: A Multicenter Prospective Single-Arm Clinical Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Standard surgical procedures for benign or low-grade malignant pancreatic tumors is associated with increased risks of postoperative complications and long-term pancreatic functional impairment, while parenchyma-sparing pancreatectomy such as enucleation can reduce the incidence of complications and preserve healthy parenchyma, thereby preserve both endocrine and exocrine pancreatic function. It has been reported that pancreatic tumor enucleation is a safe and feasible approach in preserving normal physiological function in patients undergoing pancreatic surgery.
With the growing emphasis on routine screenings and the application of high-quality thin-slice imaging techniques, the detection rates of pancreatic tumors have witnessed a steady increase. Additionally, there is a notable trend towards younger patients being diagnosed with pancreatic tumors. Consequently, in conjunction with ensuring safe and thorough tumor resection while maximizing preservation of pancreatic function, there is a current clinical demand to further reduce surgical trauma.
Literature reviews and meta-analyses have demonstrated that minimally invasive enucleation procedures offer well-known advantages associated with minimally invasive approaches, such as shorter postoperative hospital stays and lower overall complication rates. While the occurrence rate of severe complications, such as postoperative hemorrhage, remains relatively low, the development of postoperative pancreatic fistula (POPF) continues to pose a challenging issue.
The distance between the tumor and the main pancreatic duct (MPD) is considered a crucial factor influencing the occurrence of POPF after enucleation. However, these data have been rarely described in previous studies, making it challenging to accurately assess their actual impact on the rate of POPF occurrence. Heeger et al. suggested that the risk of POPF increases with closer proximity of the tumor to the MPD. The incidence of POPF was higher in deep-seated tumors after pancreatic enucleation (distance to MPD <3 mm) compared to superficial tumors (>3 mm) (73.3% vs. 30.0%, P=0.002). Other studies have even limited this critical distance to 2mm. Some research has indicated that if the tumor invades or encases the MPD, enucleation surgery should be contraindicated, and standard resection should be preferred to avoid the risk of POPF postoperatively. However, a retrospective analysis by Strobel et al. on 166 cases of pancreatic tumor enucleation demonstrated that even tumors in close proximity to the MPD can be safely resected, although their study did not include cases with tumor encasement of the MPD. In 2021, Professor Liu Rong and colleagues introduced the concept of pancreatic duct surgery and outlined four main surgical approaches: MPD repair, pancreatic end-to-end anastomosis, local excision of branch-duct intraductal papillary mucinous neoplasms, and MPD replacement. However, detailed research data in this field are still lacking.
The safety and feasibility of minimally invasive pancreatic tumor enucleation procedures involving MPD repair or reconstruction, the control of POPF, and the long-term prognosis and quality of life of patients after MPD repair or reconstruction remain unclear. Therefore, this study aims to conduct a prospective, multicenter, single-arm clinical trial. The results of this study will serve as a valuable reference for clinical practice and promote the development and application of minimally invasive pancreatic tumor enucleation procedures.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Xianjun Yu, MD, PhD
- Phone Number: +86-13801669875
- Email: yuxianjun@fudanpci.org
Study Contact Backup
- Name: Zheng Li, MD
- Phone Number: +86-18521097686
- Email: lizheng@fudanpci.org
Study Locations
-
-
Shanghai
-
Shanghai, Shanghai, China
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center
-
Contact:
- Xianjun Yu, MD, PhD
- Phone Number: +86-13801669875
- Email: yuxianjun@fudanpci.org
-
Principal Investigator:
- Xianjun Yu, MD, PhD
-
Sub-Investigator:
- Xiaowu Xu, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age between 18 and 70 years, regardless of gender.
- Solitary benign or low-grade malignant tumor of the pancreas.
- Patients evaluated according to guidelines indicating the need for surgery or strongly requesting surgery.
- Feasibility of performing minimally invasive pancreatic tumor enucleation based on preoperative imaging evaluation.
- Intraoperative procedure involving repair or reconstruction of the main pancreatic duct.
- Patients with an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
- Willingness to comply with the study's follow-up plan and other protocol requirements.
- Voluntary participation and signed informed consent.
Exclusion Criteria:
- Body mass index (BMI) > 35 kg/m2.
- Individuals planning pregnancy, currently pregnant, or breastfeeding.
- History of major abdominal surgery.
- Concurrent presence of other malignant tumors.
- Intraoperative frozen pathology or postoperative pathology indicating the tumor to be malignant, requiring curative resection instead.
- Severe impairment of cardiac, hepatic, or renal function (e.g., NYHA class 3-4 heart failure, ALT and/or AST levels exceeding three times the upper limit of normal, creatinine levels exceeding the upper limit of normal).
- Participation in other clinical trials simultaneously.
Withdrawal Criteria:
- Significant changes in the participant's condition after enrollment that render the study protocol unsuitable or infeasible.
- Occurrence of severe complications that impact the implementation of the study plan.
- Identification of technical difficulties after enrollment, making the studied treatment protocol impossible to implement.
- Emergent need for treatment due to other diseases confirmed after enrollment.
- Deviation from the study protocol in the actual administration of treatment.
- Voluntary withdrawal or discontinuation of any examinations, treatments, and monitoring required by the study at any stage, for personal reasons of the participant.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: MPD Repair or Reconstruction
In laparoscopic or robotic pancreatic tumor enucleation, it is inevitable that the main pancreatic duct (MPD) may be damaged due to its proximity or encasement by the tumor.
After tumor resection, MPD repair or reconstruction can be performed.
If there is no associated MPD dilation, a MPD stent can be inserted and secured with interrupted sutures.
When placing the stent, it is important to ensure that the distal end of the stent passes through the duodenal papilla to sufficiently reduce the pressure inside the MPD.
Vascular remnants or branch pancreatic duct remnants on the pancreatic resection surface should be sutured.
After hemostasis, efforts should be made to restore the serosalization of the pancreatic resection surface.
The surface can also be left exposed or covered with ligamentum teres hepatis.
Fish-mouth-shaped incisions can be closed, but care should be taken to avoid creating dead spaces that may lead to fluid accumulation and hinder drainage.
|
During laparoscopic or robotic pancreatic tumor enucleation, if the main pancreatic duct (MPD) is damaged due to its proximity or encasement by the tumor, MPD repair or reconstruction is performed.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of Clinically Relevant Postoperative Pancreatic Fistula
Time Frame: Within 90 days after surgery.
|
Clinically Relevant Pancreatic Fistula including Grade B fistulas, which require treatment beyond simple drainage, as well as Grade C fistulas.
|
Within 90 days after surgery.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
R0 resection rate
Time Frame: From the date of surgery to 1 month after surgery.
|
R0 margin rate on postoperative pathological assessment.
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From the date of surgery to 1 month after surgery.
|
Recurrence-free survival (RFS)
Time Frame: Through study completion, an average of 3 year.
|
The time of surgery to the time of tumor recurrence or death.
|
Through study completion, an average of 3 year.
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Perioperative complication rate according to the Clavien-Dindo classification
Time Frame: Within 90 days after surgery.
|
Adverse events that occur during or after the surgery, reported according to the Clavien-Dindo classification.
|
Within 90 days after surgery.
|
Postoperative pancreatic hemorrhage (PPH) rate
Time Frame: Within 90 days after surgery.
|
Postoperative pancreatic hemorrhage (PPH) rate within 90 days after surgery, reported according to the ISGPS definition.
|
Within 90 days after surgery.
|
Delayed gastric emptying (DGE) rate
Time Frame: Within 90 days after surgery.
|
Delayed gastric emptying (DGE) rate within 90 days after surgery, reported according to the ISGPS definition.
|
Within 90 days after surgery.
|
Reoperation rate
Time Frame: Within 90 days after surgery.
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Reoperation rate within 90 days after surgery.
|
Within 90 days after surgery.
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Rate of pancreatic enzyme-dependent malabsorption
Time Frame: Through study completion, an average of 3 year.
|
Postoperative pancreatic enzyme-dependent malabsorption rate.
|
Through study completion, an average of 3 year.
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Rate of new-onset diabetes
Time Frame: Through study completion, an average of 3 year.
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Postoperative new-onset diabetes rate.
|
Through study completion, an average of 3 year.
|
Life quality satisfaction evaluated according to EORTC C30 scale
Time Frame: Through study completion, an average of 3 year.
|
The patient's health-related quality of life after surgical intervention.
It includes physical, emotional, and social aspects of a patient's well-being.
This study evaluated quality of life using a telephone survey and the EORTC C30 scales.
|
Through study completion, an average of 3 year.
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Xianjun Yu, MD, PhD, Fudan University
- Study Director: Xiaowu Xu, MD, Fudan University
Publications and helpful links
General Publications
- van Huijgevoort NCM, Del Chiaro M, Wolfgang CL, van Hooft JE, Besselink MG. Diagnosis and management of pancreatic cystic neoplasms: current evidence and guidelines. Nat Rev Gastroenterol Hepatol. 2019 Nov;16(11):676-689. doi: 10.1038/s41575-019-0195-x. Epub 2019 Sep 16.
- Dasari A, Shen C, Halperin D, Zhao B, Zhou S, Xu Y, Shih T, Yao JC. Trends in the Incidence, Prevalence, and Survival Outcomes in Patients With Neuroendocrine Tumors in the United States. JAMA Oncol. 2017 Oct 1;3(10):1335-1342. doi: 10.1001/jamaoncol.2017.0589.
- Cauley CE, Pitt HA, Ziegler KM, Nakeeb A, Schmidt CM, Zyromski NJ, House MG, Lillemoe KD. Pancreatic enucleation: improved outcomes compared to resection. J Gastrointest Surg. 2012 Jul;16(7):1347-53. doi: 10.1007/s11605-012-1893-7. Epub 2012 Apr 24.
- Giuliani T, De Pastena M, Paiella S, Marchegiani G, Landoni L, Festini M, Ramera M, Marinelli V, Casetti L, Esposito A, Bassi C, Salvia R. Pancreatic Enucleation Patients Share the Same Quality of Life as the General Population at Long-Term Follow-Up: A Propensity Score-Matched Analysis. Ann Surg. 2023 Mar 1;277(3):e609-e616. doi: 10.1097/SLA.0000000000004911. Epub 2021 Apr 14.
- Kromrey ML, Bulow R, Hubner J, Paperlein C, Lerch MM, Ittermann T, Volzke H, Mayerle J, Kuhn JP. Prospective study on the incidence, prevalence and 5-year pancreatic-related mortality of pancreatic cysts in a population-based study. Gut. 2018 Jan;67(1):138-145. doi: 10.1136/gutjnl-2016-313127. Epub 2017 Sep 6.
- Zhou Y, Zhao M, Wu L, Ye F, Si X. Short- and long-term outcomes after enucleation of pancreatic tumors: An evidence-based assessment. Pancreatology. 2016 Nov-Dec;16(6):1092-1098. doi: 10.1016/j.pan.2016.07.006. Epub 2016 Jul 9.
- Guerra F, Giuliani G, Bencini L, Bianchi PP, Coratti A. Minimally invasive versus open pancreatic enucleation. Systematic review and meta-analysis of surgical outcomes. J Surg Oncol. 2018 Jun;117(7):1509-1516. doi: 10.1002/jso.25026. Epub 2018 Mar 25.
- Dalla Valle R, Cremaschi E, Lamecchi L, Guerini F, Rosso E, Iaria M. Open and minimally invasive pancreatic neoplasms enucleation: a systematic review. Surg Endosc. 2019 Oct;33(10):3192-3199. doi: 10.1007/s00464-019-06967-9. Epub 2019 Jul 30.
- Shukla PJ, Barreto SG, Shrikhande SV. Enucleation of pancreatic neoplasms (Br J Surg 2007; 94: 1254-1259). Br J Surg. 2008 Feb;95(2):261; author reply 261-2. doi: 10.1002/bjs.6148. No abstract available.
- Brient C, Regenet N, Sulpice L, Brunaud L, Mucci-Hennekine S, Carrere N, Milin J, Ayav A, Pradere B, Hamy A, Bresler L, Meunier B, Mirallie E. Risk factors for postoperative pancreatic fistulization subsequent to enucleation. J Gastrointest Surg. 2012 Oct;16(10):1883-7. doi: 10.1007/s11605-012-1971-x. Epub 2012 Aug 8.
- Bartolini I, Bencini L, Bernini M, Farsi M, Calistri M, Annecchiarico M, Moraldi L, Coratti A. Robotic enucleations of pancreatic benign or low-grade malignant tumors: preliminary results and comparison with robotic demolitive resections. Surg Endosc. 2019 Sep;33(9):2834-2842. doi: 10.1007/s00464-018-6576-3. Epub 2018 Nov 12.
- Ei S, Mihaljevic AL, Kulu Y, Kaiser J, Hinz U, Buchler MW, Hackert T. Enucleation for benign or borderline tumors of the pancreas: comparing open and minimally invasive surgery. HPB (Oxford). 2021 Jun;23(6):921-926. doi: 10.1016/j.hpb.2020.10.001. Epub 2020 Oct 18.
- Zhang RC, Zhou YC, Mou YP, Huang CJ, Jin WW, Yan JF, Wang YX, Liao Y. Laparoscopic versus open enucleation for pancreatic neoplasms: clinical outcomes and pancreatic function analysis. Surg Endosc. 2016 Jul;30(7):2657-65. doi: 10.1007/s00464-015-4538-6. Epub 2015 Oct 20.
- Strobel O, Cherrez A, Hinz U, Mayer P, Kaiser J, Fritz S, Schneider L, Klauss M, Buchler MW, Hackert T. Risk of pancreatic fistula after enucleation of pancreatic tumours. Br J Surg. 2015 Sep;102(10):1258-66. doi: 10.1002/bjs.9843. Epub 2015 Jun 24.
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Digestive System Diseases
- Neoplasms by Histologic Type
- Neoplasms by Site
- Endocrine System Diseases
- Digestive System Neoplasms
- Endocrine Gland Neoplasms
- Neuroectodermal Tumors
- Neoplasms, Germ Cell and Embryonal
- Neoplasms, Nerve Tissue
- Pancreatic Diseases
- Neoplasms
- Pancreatic Neoplasms
- Neuroendocrine Tumors
Other Study ID Numbers
- CSPAC-MEN-1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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