TPIAT-01
Efficacy and Safety of Total Pancreatectomy With Intraportal Islet Autotransplantation for Resectable Adenocarcinoma of the Cephalic Region of the Pancreas at High-risk of Postoperative Fistula and Requiring Systemic Adjuvant Chemotherapy
Sponsor study identifier
Secondary identifiers
OTHER · ID-RCB number, ANSM
interventional
36
1 country
1
Study Start
February 20, 2022
Actual (reported)Primary Completion
February 20, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
February 20, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Curative management of locally resectable invasive adenocarcinomas located in the cephalic region of the pancreas (pancreas, duodenum and ampulla of Vater) requires a pancreaticoduodenectomy followed by adjuvant chemotherapy. Pancreaticoduodenectomy is a major surgery that often leads to major complications including approximately 20% of relevant clinical postoperative pancreatic fistula. Postoperative complications following pancreaticoduodenectomy can lead to early discontinuation of the complete oncologic strategy, i.e., chemotherapy for malignancy is performed in only about a third of patients who experienced a grade C fistula. A total pancreatectomy rather than a pancreaticoduodenectomy is an alternative procedure that involves the complete and definitive resection of all pancreatic tissue, eliminating any risk of postoperative pancreatic fistula but is associated with unavoidable endocrine insufficiency and potentially severe metabolic complications, such as "brittle diabetes". Total Pancreatectomy following by intraportal Islet AutoTransplantation (TPIAT) can prevent "brittle diabetes" and improve the quality of life. The endocrine islets can be isolated from the pancreatic surgical specimen with standardized procedures and transplanted in the liver through intraportal infusion, in absence of immunosuppression and allow adequate control of glucose metabolism with a reduced need for exogenous insulin and an effective graft function in 70% of cases at 3 years Thereby, the investigators hypothesize that total pancreatectomy with intraportal Islet autotransplantation rather than classical pancreaticuduodenectomy, in patients with high-risk of postoperative fistula will increase the rate of complete access to adjuvant chemotherapy, while maintaining an adequate metabolic control.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
February 20, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 11, 2021
Actual (reported)November 10, 2021
Actual (reported)February 20, 2022
Actual (reported)February 20, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
February 20, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
the rate of patients who have completed the chemotherapy planned
success is defined when patients treated with TPIAT will have completed the adjuvant systemic chemotherapy initially approved and planned by the local multidisciplinary expert team according to current international guidelines
at postoperative month 12 following surgery.
Rate of postoperative complications related to total pancreatectomy.
At 3 months following surgery.
Rate of complications related to islet transplantation during the study
through study completion, at 36 months following surgery.
Patients benefited from total pancreatectomy for resectable adenocarcinoma of the cephalic region at high risk of postoperative pancreatic fistula, with intaportal/intramuscular islet autotransplantation
The total pancreatectomy will be performed in two steps: The pancreatectomy will begin by a standard pancreaticoduodenectomy procedure. The section margin will be sent for intraoperative histological analysis to confirm the absence of invasion of the left remnant pancreas. When absence of tumor invasion is confirmed and the high-risk of postoperative pancreatic fistula is validated intraoperatively, the extended left distal pancreatectomy will be performed, with splenic preservation when possible. Then, the left side of the pancreas will be resected and cooled (4-6°) in the preservation solution and shipped to Lille Biotherapy platform to perform islet isolation and purification. The reconstruction after total pancreatectomy will be done as usually performed by center expert surgeon.
Hop Claude Huriez Chu Lille
Lille, 59037, France
François PATTOU, MD,PhD
University Hospital, Lille
First Submitted
October 11, 2021
First Posted
November 10, 2021
Study Start
February 20, 2022
Actual (reported)Primary Completion
February 20, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Mean time (in weeks) between TPIAT and adjuvant systemic chemotherapy.
through study completion, at 36 months following surgery.
Rate of patients with cancer recurrence
at 3, 6, 9, 12, 24, and 36 months following surgery.
Postoperative diabetes and pancreatic endocrine insufficiency following pancreatic surgery as recommended by the best standard care will be evaluated
functions before surgery and at day 7 and at 3, 12, 24 and 36 months following surgery.
The final islet preparation will be cultured and shipped 48 hours after total pancreatectomy from the Lille laboratory to the surgical center, and finally transplanted into the patient through a venous catheter placed in the portal trunk (91% of the total islet mass) and at the same time, a small fraction of the isolated islet (5% of the total islet mass) will be transplanted into the forearm muscle.
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Study Completion
February 20, 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
September 25, 2025
Record last verified: 2025-09
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Source: ClinicalTrials.gov.
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