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BEFAST Study, [68Ga]Ga-FAPI Total Body PET/CT for Better and Faster Imaging in Cancer (BEFAST)

2026年6月1日 更新者:Barbara Malene Fischer

[68Ga]Ga-FAPI Total Body PET/CT for Improving Diagnostic Sensitivity and Preoperative Staging in Gastroesophageal Cancer and Pancreatic Cancer

The goal of this clinical trial is to learn if [68Ga]Ga-FAPI-46 Total Body PET/CT can diagnose patients suffering from gastroesophageal cancer and pancreatic cancer. The investigators hope that [68Ga]Ga-FAPI-46 Total Body PET/CT can improve staging and treatment evaluation for these patient groups.

The main questions the trial aims to answer are:

  • Is [68Ga]Ga-FAPI-46 Total Body PET/CT better at diagnosing metastatic disease in the abdomen compared other imaging modalities?
  • Can [68Ga]Ga-FAPI-46 Total Body PET/CT produce accurate images in less than 30 min?

Researchers will examine three different patient groups:

Group A) patients with pancreatic cancer, who are referred to surgery. Group B1) patients with gastroesophageal cancer, who are referred to diagnostic surgery (laparoscopy).

Group B2) a subgroup of gastroesophageal cancer patients, with a specific subtype cancer (signet ring cell carcinoma or poorly cohesive carcinoma), who are referred to oncological treatment.

Participants will undergo:

  • One [68Ga]Ga-FAPI Total Body PET/CT before surgery (Group A), or before laparoscopy (group B1), or before oncological treatment (Group B2).
  • Participants in group B2 will also undergo a second [68Ga]Ga-FAPI-46 Total Body PET/CT during treatment with chemotherapy.
  • All participants will fill out one questionnaire.
  • Researchers will follow the patients after the scans for 1 year.

研究概览

研究类型

介入性

注册 (估计的)

90

阶段

  • 阶段2

联系人和位置

本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。

学习联系方式

学习地点

      • Copenhagen、丹麦、2100
        • 招聘中
        • Rigshospitalet
        • 接触:
        • 接触:
          • Barbara M Fischer, professor, Professor, MD, Ph.D.
        • 副研究员:
          • Marie M K Stolberg, MD

参与标准

研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

不

描述

Inclusion criteria for group A

  1. Male or female, over 18 years old
  2. Patients with suspected pancreatic cancer based on morphological findings on standard imaging
  3. CT or MRI or [18F]FDG PET/CT evaluated on MDT with no initial sign of distant metastases
  4. Subjects must have been considered suitable for curative surgery at the time of the referral
  5. Subjects must be able to read and understand the patient information in Danish to give informed consent

Inclusion criteria for group B1

  1. Male or female over 18 years old
  2. Histological verified carcinoma from the lower esophagus, GEJ, or stomach
  3. Subjects must be considered operable and resectable at the time of referral for MDT
  4. Subjects must be able to read and understand the patient information in Danish to give informed consent

Inclusion criteria for group B2

  1. Male or female over 18 years old
  2. Histological verified SRCC or PCC from the lower esophagus, GEJ, or stomach
  3. Subjects with localized disease assigned to perioperative chemotherapy or subjects with metastatic disease assigned to palliative systemic treatment.
  4. Subjects must be able to read and understand the patient information in Danish to give informed consent

Exclusion Criteria:

  1. Pregnancy or lactation
  2. Weight more than the maximum limit of a PET/CT-scanner bed (140 kg)
  3. History of allergic reaction due to compounds similar to the chemical composition of [68Ga]Ga-FAPI-46

学习计划

本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。

研究是如何设计的?

设计细节

  • 主要用途:诊断
  • 分配:不适用
  • 介入模型:单组作业
  • 屏蔽:无(打开标签)

武器和干预

参与者组/臂
干预/治疗
实验性的:Cancer patients
PET/CT scan with the tracer [68Ga]Ga-FAPI-46

研究衡量的是什么?

主要结果指标

结果测量
措施说明
大体时间
Sensitivity of [68Ga]Ga-FAPI-46 Total Body PET/CT
大体时间:From the time of scan to the end of follow up at 1 year

Sensitivity of lesions suspicious of malignancy of [68Ga]Ga-FAPI-46 Total Body PET/CT within 30 min of injection of the tracer compared with the sensitivity of current standard imaging modalities ([18F]FDG PET/CT, CT, MRI).

Sensitivity will be measured as the proportion of true positive malignant findings on [68Ga]Ga-FAPI-46 Total Body PET/CT within 30 mins of injection of the tracer. This will be done, by comparing the lesions suspicious of malignancy found on [68Ga]Ga-FAPI-46 PET/CT, and standard imaging with the results from the curative surgery and/or a composed reference standard, which consist of all available imaging, 6 months follow up and blinded expert opinion.

From the time of scan to the end of follow up at 1 year

次要结果测量

结果测量
措施说明
大体时间
Accuracy measurements of [68Ga]Ga-FAPI-46 Total Body PET/CT
大体时间:From the time of scan to the end of follow up at 1 year

Sensitivity of lesions suspicious of malignancy of [68Ga]Ga-FAPI-46 Total Body PET/CT after 60 min of injection of the tracer, as well as accuracy, specificity, positive predictive value (PPV) and negative predictive value (NPV).

Sensitivity (the proportion of true positive findings), specificity (the proportion of true negative findings), PPV (the proportion of positive findings, which are true positives) and NPV (the proportion of negative findings which are true negatives will be measured by comparing the lesions suspicious of malignancy found on [68Ga]Ga-FAPI-46 PET/CT and standard imaging with the results from the curative surgery and/or a composed reference standard, which is composed of all available imaging, 6 months follow up and blinded expert opinion.

From the time of scan to the end of follow up at 1 year
Estimated potential impact/change in patient management.
大体时间:From the time of scan to the end of follow up at 1 year
From the time of scan to the end of follow up at 1 year
Description of FAPI-uptake from lesions suspicious of malignancy.
大体时间:From the time of scan to the end of follow up at 1 year
FAPI-uptake in lesions suspicious of malignancy will be described and quantified with standardized uptake values (SUV, e.g. SUVmax, SUVmean). SUV is a ratio of the concentration of the tracer in a region of interest on the scan and the concentration of tracer injected in the participant.
From the time of scan to the end of follow up at 1 year

其他结果措施

结果测量
措施说明
大体时间
Patients' experience of a [68Ga]Ga-FAPI-46 Total Body PET/CT compared to standard imaging modalities.
大体时间:Immediately after completion of the scan (single time point)
Patients will be given a small questionnaire immediately after the [68Ga]Ga-FAPI-46 TB PET/CT, to fill out by his or herself (please refer to the appendix 2 in the protocol). The questionnaire is inspired by a questionnaire from a previous study exploring patient experiences during an [18F]FDG PET/CT and with inspiration from local and national questionnaires on patient experience during visits to radiology departments provided by the Capital Region of Denmark. The questionnaire includes 6 questions, 2 regarding patient information, 3 questions regarding stress and anxiety during the exmination and 1 question regarding the expectations to the scan. The different questions is rated on a descriptive scale (Very Much, Quite a lot, Some, Not at all).
Immediately after completion of the scan (single time point)
Uptake of [68Ga]Ga-FAPI-46 from lesions suspicious of malignancy wil be correlated with progression free survival (PFS)
大体时间:From the time of scan to the end of follow up at 1 year
FAPI-uptake (measured as Standardised uptake value [SUV], which is a ratio of the concentration of the tracer in a region of interest on the scan and the concentration of tracer injected in the patient) in lesions suspicious of malignancy will be correlated with PFS after 1 year follow-up. PFS is defined as the time from the [68Ga]Ga-FAPI-46 TB PET/CT to progression of cancer disease, recurrence of cancer disease, or death of any cause.
From the time of scan to the end of follow up at 1 year

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2024年1月16日

初级完成 (估计的)

2027年1月1日

研究完成 (估计的)

2027年1月1日

研究注册日期

首次提交

2025年9月10日

首先提交符合 QC 标准的

2026年6月1日

首次发布 (实际的)

2026年6月5日

研究记录更新

最后更新发布 (实际的)

2026年6月5日

上次提交的符合 QC 标准的更新

2026年6月1日

最后验证

2026年6月1日

更多信息

与本研究相关的术语

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)?

不

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

在美国制造并从美国出口的产品

不

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