Actively Recruiting

Phase Not Applicable
Age: 18Years - 99Years
All Genders
NCT06644716

[18F]F-FAPI PET-CT to Identify Carcinoma of Unknown Primary Origin

Led by Erasmus Medical Center · Updated on 2025-02-12

50

Participants Needed

6

Research Sites

136 weeks

Total Duration

On this page

Sponsors

E

Erasmus Medical Center

Lead Sponsor

D

Dutch Cancer Society

Collaborating Sponsor

AI-Summary

What this Trial Is About

The investigators will determine the proportion of CUP patients in whom the primary tumor can be identified by \[18F\]F-FAPI PET-CT.

CONDITIONS

Official Title

[18F]F-FAPI PET-CT to Identify Carcinoma of Unknown Primary Origin

Who Can Participate

Age: 18Years - 99Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 18 years or older
  • Histologically confirmed metastatic disease with no identified primary tumor after standard diagnostic work-up including at least an [18F]FDG PET-CT, following the national care pathway for CUP
Not Eligible

You will not qualify if you...

  • Known metastasis from a primary tumor that has already been identified
  • Diagnosis of sarcomas, melanomas, germ cell tumors, neuroendocrine tumors, or hematological cancers without known origin
  • History of cancer within 5 years before the PET-CT scan, except for the current cancer under study or cancers with very low risk of spread or death (e.g., treated carcinoma in-situ of cervix, nonmelanoma skin cancer, localized prostate cancer, ductal carcinoma in-situ, Stage I uterine cancer)
  • Prior systemic therapy for CUP
  • Radiotherapy before the PET-CT scan, except palliative radiotherapy for bone symptoms
  • Poor kidney function with eGFR under 25 ml/min/1.73 m2 unless approved by treating doctor
  • WHO performance status greater than 2
  • Pregnancy or breastfeeding (temporary stopping breastfeeding may be considered)
  • Known allergy to therapeutic radiopharmaceuticals
  • Unable to lie still on back during PET-CT
  • Any other medical condition or lab finding that could affect scan results or increase study burden, such as severe claustrophobia

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 6 locations

1

Antoni van Leeuwenhoekziekenhuis

Amsterdam, Netherlands

Actively Recruiting

2

UMC Groningen

Groningen, Netherlands

Actively Recruiting

3

Maastricht UMC

Maastricht, Netherlands

Actively Recruiting

4

Radboud UMC

Nijmegen, Netherlands

Actively Recruiting

5

Erasmus Medical Center

Rotterdam, Netherlands

Actively Recruiting

6

UMC Utrecht

Utrecht, Netherlands

Actively Recruiting

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Research Team

S

Sophie Veldhuijzen van Zanten, MD, PhD

CONTACT

E

Esther Droogers

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

DIAGNOSTIC

Number of Arms

1

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