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Ablative Carbon Ion Radiotherapy With Pencil Beam Scanning for Locally Advanced Unresectable Pancreatic Cancer


2022-07-01


2025-12


2026-12


48

Study Overview

Ablative Carbon Ion Radiotherapy With Pencil Beam Scanning for Locally Advanced Unresectable Pancreatic Cancer

The aim of this study is to investigate the clinical efficacy and safety of ablative carbon ion radiotherapy for locally advanced unresectable pancreatic cancer with pencil beam scanning and simultaneous integrated boost (SIB) technology.

The aim of this study is to investigate the clinical efficacy and safety of ablative carbon ion radiotherapy for locally advanced unresectable pancreatic cancer using pencil beam scanning and simultaneous integrated boost technology with respect to toxicity and tumor control. All enrolled patients will receive carbon ion radiotherapy for the primary pancreatic lesions, positive lymph nodes, and retroperitoneal high-risk recurrence areas. The prescription dose for primary pancreatic lesion, positive lymph node, and retroperitoneal high-risk recurrence area is 67.5 Gy (RBE weighted dose) in 15 fractions for 3 weeks; Pancreatic primary lesion and positive lymph node SIB to 75 Gy (RBE weighted dose) in 15 fractions for 3 weeks. The primary endpoint is 2-year cumulative local regional progression rate (LRP), and the secondary endpoint is to assess the overall survival (OS) and toxicities. Toxicity was assessed using the Common Adverse Event Evaluation Criteria (CTCAE) Version 5.0, and safety and toxicity will be assessed by clinical examination, laboratory examination, and imaging (including CT, MRI, and/or PET/CT).

  • Pancreatic Cancer Non-resectable
  • RADIATION: Carbon ion radiotherapy
  • SPHIC-TR-PaCa2022-01

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 Registration Dates Results Reporting Dates Study Record Updates

2022-06-10  

N/A  

2023-11-30  

2022-06-15  

N/A  

2023-12-07  

2022-06-21  

N/A  

2023-06  

Study Plan

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

Design Details

Primary Purpose:
Treatment


Allocation:
Na


Interventional Model:
Single Group


Masking:
None


Arms and Interventions

Participant Group/ArmIntervention/Treatment
EXPERIMENTAL: Patients with locally advanced unresectable pancreatic cancer

Patients with locally advanced unresectable pancreatic cancer without invasion of the gastrointestinal tract, cT4N0-2M0 Stage III (AJCC/UICC Version 8).

RADIATION: Carbon ion radiotherapy

  • Patients with locally advanced unresectable pancreatic cancer without invasion of gastrointestinal tract will received ablative carbon ion radiotherapy. The prescription dose for primary pancreatic lesion, positive lymph node, and retroperitoneal high-ris
Primary Outcome MeasuresMeasure DescriptionTime Frame
2-year cumulative local regional progression rate (LRP)LRP was defined as the percentage of patients with local disease progression (within irradiated area) in the intentional population.From the date of the initiation of radiotherapy until the date of first documented occurrence of local regional progression, assessed up to 24 months.
Secondary Outcome MeasuresMeasure DescriptionTime Frame
2-year Overall survival (OS)OS was defined as the percentage of patients dead in the intentional population.From the date of diagnosis until the date of death from any cause, assessed up to 24 months.
Acute toxicityToxicity was assessed using Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. Safety and toxicity will be assessed by clinical examination, laboratory examination, and imaging (including CT, MRI, and/or PET/CT).From the date of the initiation of radiotherapy until the date of 3 months after radiotherapy.
Late toxicityToxicity was assessed using Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. Safety and toxicity will be assessed by clinical examination, laboratory examination, and imaging (including CT, MRI, and/or PET/CT).3 months after radiotherapy.

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: Zheng Wang, MD, PhD

Phone Number: +86-02138296666

Email: zheng.wang@sphic.org.cn

Study Contact Backup

Name: Guo-Liang Jiang, MD

Phone Number: +86-02138296606

Email: guoliang.jiang@sphic.org.cn

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.

Ages Eligible for Study:
ALL

Sexes Eligible for Study:
18 Years

Accepts Healthy Volunteers:

    Inclusion Criteria:
    1. Have the ability to sign the written informed consent; 2. Ductal adenocarcinoma of the pancreas confirmed by histopathology or cytopathology; 3. Distant metastasis was excluded by imaging assessment (PET-CT, cranial MRI), and was defined as locally advanced unresectable according to NCCN Guidelines Version 2022.1, that is, T4N0-2M0, Stage III (AJCC/UICC Version 8); 4. The maximum diameter of pancreatic primary lesion and positive lymph node ≤7cm; 5. Pancreas primary lesion or positive lymph node did not invade digestive tract (stomach, duodenum and small intestine); 6. Eastern Cooperative Oncology Group (ECOG) performance score 0-1; 7. Adequate bone marrow function (neutrophil count ≥1.5×109/L, platelet count ≥100×109/L, hemoglobin ≥10.0g/dL); 8. Adequate liver function (total bilirubin <1.5 times the upper limit of normal value, aminotransferase <2.5 times the upper limit of normal value); 9. Adequate renal function (serum creatinine <2mg/dL, or creatinine clearance >50mL/min).
    Exclusion Criteria:
    1. Multiple primary pancreatic lesions (>1); 2. Tumor invaded the adjacent digestive tract; 3. Radiation therapy history; 4. Other local treatments history for pancreatic cancer, such as HIFU and irreversible electroporation; 5. The irradiation dose of organs at risk cannot reach the dose constraint; 6. Other malignant tumors history; 7. Inability to understand the purpose of treatment or unwillingness/inability to sign informed consent.

Collaborators and Investigators

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


    • PRINCIPAL_INVESTIGATOR: Zheng Wang, MD, PhD, Shanghai Proton and Heavy Ion Center

    Publications

    The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

    General Publications

    No publications available