Clinical trial Recruiting at 1 site Phase2; Phase3 Interventional Ages 18 and up

18F-FAPI PET/CT and laparoscopy for staging advanced stomach cancer

Official title: [18F]F-FAPI PET/CT and LAparoscopy in STagIng Advanced Gastric Cancer - a Multicenter Prospective Study

Run by Leiden University Medical Center · NCT07018661 · Data updated 2026-11-12

This trial tests whether an 18F-FAPI PET/CT scan, used with laparoscopy, can better find spread of advanced stomach cancer and help doctors avoid unnecessary surgery.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment250 (estimated)
SponsorLeiden University Medical Center
Academic / other
Drugs / interventionsradiation
Locations10 sites (Almelo and 9 other locations)
StatusRecruiting
StartedJuly 3, 2025
Main results expectedJanuary 2028
Study endsJanuary 2029
Registry record updatedAugust 27, 2025
Trial IDNCT07018661 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (≥18) with histologically proven, locally advanced, surgically resectable gastric adenocarcinoma or Siewert type III esophagogastric-junction tumors (cT3-4b, N0-3, M0) who are planned for gastrectomy and can undergo imaging and laparoscopy are ideal candidates.

Probably not a fit

Patients with Siewert type I–II tumors, known distant metastases, those unfit or unwilling to undergo surgery or the PET/CT, or pregnant patients are unlikely to benefit from participation.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Adults with surgically resectable advanced gastric adenocarcinoma undergo one additional [18F]FAPI-74 PET/CT scan (about 2 hours) alongside the standard imaging and diagnostic laparoscopy. The study records how often the FAPI-PET/CT detects metastases that change the treatment plan (for example avoiding curative surgery) or alter diagnostic steps (for example prompting additional biopsies or different surgical planning). It is a phase 2/3 interventional trial conducted at multiple centers in the Netherlands comparing FAPI-PET/CT findings with current standard care pathways. Outcomes include rates of management change and examination of whether the scan is less burdensome for patients than current methods.

Why it matters

Potential benefit: If successful, the scan could identify hidden metastases earlier and reduce unnecessary surgeries, helping patients receive more appropriate curative or palliative care.

How similar studies have gone: Early clinical reports of FAPI PET imaging show promising high tumor contrast across cancers, but prospective multicenter data demonstrating changes in management for gastric cancer remain limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Histologically proven adenocarcinoma of the stomach or the esophagogastric junction (Siewert type III), by gastroscopy;
* Age greater than or equal to 18 years;
* Surgically resectable, advanced tumor (cT3-4b, N0-3, M0), as determined on gastroscopy and a contrast-enhanced CT of thorax and abdomen. Intention to perform a gastrectomy, based on a multidisciplinary team meeting and shared decision making;
* Patients must have given written informed consent;
* Patients who have recently participated in an interventional study with an investigational medicinal product (IMP) may only participate if an interaction with study procedures is deemed unlikely by the study team (e.g. based on mechanism or washout period).

Exclusion Criteria:

* Siewert type I-II esophagogastric junction tumor;
* Unfit or unwilling to undergo study procedures;
* Unfit or unwilling to undergo surgery;
* Pregnancy at time of the \[18F\]AlF-FAPI-74 PET/CT scan, due to the investigational PET radiation burden;
* Incapacitated subjects without decision-making capacity;
* Medical or psychiatric conditions that compromise the patient's ability to give informed consent;
* Illiterate patients unable to complete the resource use and quality of life questionnaires;
* Inability to undergo PET/CT scans due to factors such as claustrophobia, weight limits, or the inability to lie flat for the duration of the scan (approximately 30 minutes).

Where it's running

  • Leids Universitair Medisch Centrum
    Leiden, Netherlands
    Recruiting
  • Zgt
    Almelo, Netherlands
    Not yet recruiting
  • Amsterdam UMC
    Amsterdam, Netherlands
    Not yet recruiting
  • Netherlands Cancer Institute - Antoni van Leeuwenhoek
    Amsterdam, Netherlands
    Not yet recruiting
  • Rijnstate
    Arnhem, Netherlands
    Not yet recruiting
  • Catharina Ziekenhuis
    Eindhoven, Netherlands
    Not yet recruiting
Show 4 more locations
  • Zuyderland
    Geleen, Netherlands
    Not yet recruiting
  • UMC Groningen
    Groningen, Netherlands
    Not yet recruiting
  • Erasmus MC
    Rotterdam, Netherlands
    Not yet recruiting
  • UMC Utrecht
    Utrecht, Netherlands
    Not yet recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.