Total Pancreatectomy With Islet Autotransplantation (TPIAT) for High-Risk Patients With Pancreatic Tumors

September 1, 2026 updated by: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Total Pancreatectomy With Islet Autotransplantation (TPIAT) for Patients With Periampullary Neoplasms at High Risk for Pancreaticojejunostomy Leakage After Pancreaticoduodenectomy: a Single-center, Prospective, Single-Arm, Observational Study

This is a single-center, prospective, single-arm feasibility study evaluating whether adult patients with periampullary neoplasms who are at high risk for postoperative pancreatic fistula after pancreaticoduodenectomy can be recruited and consented to undergo total pancreatectomy with islet autotransplantation as an alternative surgical approach. Feasibility will be assessed by annual accrual rate and consent yield among eligible patients approached. Participants who enroll will undergo open or robotic total pancreatectomy with islet autotransplantation. Perioperative safety, metabolic outcomes, and early oncologic outcomes will be collected prospectively through 12 months after surgery.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

20

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Jin He, MD, PhD
  • Phone Number: +1(410)614-7551
  • Email: jhe11@jhmi.edu

Study Contact Backup

Study Locations

  • United States
    • Maryland
      • Baltimore, Maryland, United States, 21287
        • Recruiting
        • Johns Hopkins Hospital
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Adults aged 18 years and older.
  • Patients with periampullary neoplasms requiring pancreaticoduodenectomy, including but not limited to:
  • Pancreatic adenocarcinoma
  • Distal bile duct adenocarcinoma
  • Duodenal adenocarcinoma
  • Leiomyosarcoma of the duodenum
  • Pancreatic neuroendocrine neoplasms
  • Ampullary adenoma
  • Duodenal gastrointestinal stromal tumor
  • High-risk intraductal papillary mucinous neoplasm according to Fukuoka criteria, specifically focal Intraductal Papillary Mucinous Neoplasm (IPMN) in the head of pancreas with high-risk stigmata or worrisome features on endoscopic ultrasound with fine-needle aspiration
  • Mucinous cystic neoplasm
  • Serous cystadenoma
  • Soft pancreatic gland and main pancreatic duct ≤2 mm at the neck of the pancreas based on preoperative imaging.
  • Adequate islet function with measurable C-peptide preoperatively to justify islet isolation and transplant.

Exclusion Criteria:

  • Pregnancy.
  • Active alcohol or illicit drug use.
  • Poorly controlled psychiatric illness that limits ability to comply with care.
  • Pre-existing insulin-dependent diabetes with absent C-peptide.
  • Portal vein thrombosis or significant portal hypertension precluding islet infusion.
  • Contraindications to major surgery.
  • Body mass index greater than 35 kg/m².

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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: Total Pancreatectomy With Islet Autotransplantation
Participants with periampullary neoplasms who are considered at high risk for postoperative pancreatic fistula after pancreaticoduodenectomy will undergo total pancreatectomy with islet autotransplantation using either an open or robotic surgical approach. Outcomes will be assessed prospectively through 12 months after surgery.
Procedure: Total Pancreatectomy with Islet Autotransplantation (TPIAT)
Participants will undergo total pancreatectomy with islet autotransplantation using either an open or robotic surgical approach. After removal of the pancreas, islets will be isolated from nontumorous pancreatic tissue and infused into the portal venous system according to established institutional protocols. The study will prospectively assess feasibility, perioperative safety, metabolic outcomes, and early oncologic outcomes through 12 months after surgery.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Annual accrual rate of participants who consent to and undergo planned TPIAT
Time Frame: From study opening through completion of enrollment, up to 36 months
Annual accrual rate, defined as the number of eligible participants per year who provide informed consent and proceed with the planned total pancreatectomy with islet autotransplantation procedure. The feasibility threshold is accrual of at least 3 participants per year.
From study opening through completion of enrollment, up to 36 months
Consent yield among eligible patients approached for participation
Time Frame: From study opening through completion of enrollment, up to 36 months
Consent yield, defined as the proportion of approached, eligible patients who provide informed consent and undergo planned total pancreatectomy with islet autotransplantation. The feasibility threshold is at least 5%, defined as at least 1 of the first 20 eligible patients approached consenting to and undergoing TPIAT.
From study opening through completion of enrollment, up to 36 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Incidence of major postoperative complications within 90 days after surgery
Time Frame: Up to 90 days post surgery
Number and proportion of participants experiencing at least one major postoperative complication within 90 days after TPIAT. Complications will be graded according to the Clavien-Dindo classification. Major complications are defined as Clavien-Dindo Grade III-V.
Up to 90 days post surgery
Unplanned readmission within 90 days after surgery
Time Frame: Up to 90 days post surgery
Number and percentage of participants with at least one unplanned hospital readmission within 90 days after TPIAT.
Up to 90 days post surgery
Length of hospital stay
Time Frame: From date of surgery to date of discharge, assessed up to 90 days
Number of days from the date of TPIAT to hospital discharge.
From date of surgery to date of discharge, assessed up to 90 days
Incidence of hypoglycemic events requiring hospitalization
Time Frame: Up to 12 months post surgery
Number and percentage of participants experiencing hypoglycemic events requiring hospitalization after TPIAT.
Up to 12 months post surgery
Incidence of endocrine pancreatic insufficiency
Time Frame: At 3, 6, and 12 months post surgery
Number and percentage of participants with endocrine pancreatic insufficiency after TPIAT, assessed using insulin requirement, fasting glucose, fasting C-peptide, and hemoglobin A1c.
At 3, 6, and 12 months post surgery
Average Daily Insulin requirement (IU/kg/day) after TPIAT
Time Frame: At 3, 6, and 12 months post surgery
Average daily insulin requirement after TPIAT, assessed at postoperative months 3, 6, and 12.
At 3, 6, and 12 months post surgery
Fasting glucose (percentage) after TPIAT
Time Frame: At 3, 6, and 12 months post surgery
Fasting glucose level measured after TPIAT
At 3, 6, and 12 months post surgery
Fasting C-peptide (ng/mL) after TPIAT
Time Frame: At 3, 6, and 12 months after surgery
Fasting C-peptide level measured after TPIAT.
At 3, 6, and 12 months after surgery
Hemoglobin A1c (percentage) after TPIAT
Time Frame: At 3, 6, and 12 months after surgery
Hemoglobin A1c measured after TPIAT.
At 3, 6, and 12 months after surgery
Tumor recurrence within 1 year after surgery
Time Frame: Within 12 months after surgery
Number and proportion of participants with clinical, radiographic, or pathologic evidence of tumor recurrence within 1 year after TPIAT.
Within 12 months after surgery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Investigators

  • Principal Investigator: Jin He, MD, SKCCC Johns Hopkins Medical Institution

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 1, 2026

Primary Completion (Estimated)

January 1, 2031

Study Completion (Estimated)

January 1, 2031

Study Registration Dates

First Submitted

January 14, 2026

First Submitted That Met QC Criteria

January 14, 2026

First Posted (Actual)

January 22, 2026

Study Record Updates

Last Update Posted (Actual)

September 4, 2026

Last Update Submitted That Met QC Criteria

September 1, 2026

Last Verified

September 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • J2605
  • IRB00543437 (Other Identifier: JHM IRB)

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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