Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Using PSMA imaging for gastrointestinal tumors

Official title: A Molecular Imaging-Derived Biomarker of PSMA Expression - Revealing Theranostic Potential in Gastroenterologic Tumors

Run by Wuerzburg University Hospital · NCT05547919 · Data updated 2026-11-12

This study is testing if a special type of imaging called PSMA-PET can help find and understand gastrointestinal tumors better in patients with gastroenteropancreatic neuroendocrine neoplasms.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment46 (estimated)
SponsorWuerzburg University Hospital
Academic / other
Drugs / interventionsradiation
Locations1 site (Würzburg, Bavaria)
StatusRecruiting
StartedOctober 1, 2022
Main results expectedOctober 1, 2025
Study endsOctober 1, 2026
Registry record updatedSeptember 29, 2025
Trial IDNCT05547919 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults over 18 years old with newly diagnosed GEP-NEN who have not yet started anti-tumor therapy.

Probably not a fit

Patients with curative settings, insufficient tumor tissue, or those with prostate carcinoma will not benefit from this study.

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

What this trial studies

This study evaluates the use of PSMA-directed imaging and therapy for patients with gastrointestinal tumors, specifically gastroenteropancreatic neuroendocrine neoplasms (GEP-NEN). It aims to determine the expression of PSMA in biopsy samples and assess the effectiveness of PSMA-PET imaging in identifying disease sites compared to conventional imaging methods. The study will also explore whether the PSMA PET signal can predict clinical outcomes for patients undergoing standard treatment. Patients will undergo 18F-PSMA PET/CT scans to gather necessary data.

Why it matters

Potential benefit: If successful, this approach could enhance the diagnostic accuracy and treatment outcomes for patients with gastrointestinal cancers.

How similar studies have gone: While the use of PSMA in prostate cancer is well-established, its application in gastrointestinal tumors is novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with newly diagnosed GET prior to initiation of guideline-compatible, anti-tumor therapy
* Available tissue specimen to conduct PSMA expression profiling
* Male/female, above 18 years old
* Patients must provide written informed consent
* Patients must be willing to comply with study procedures and available for follow-up examinations

Exclusion Criteria:

* Curative setting
* Not sufficient tumor tissue available
* Male Patients: No prostate carcinoma
* Other malignant neoplasms in patient's history
* Pregnancy or Breastfeeding
* Contraindications for PET/CT

Where it's running

  • University Hospital Wuerzburg
    Würzburg, Bavaria, Germany
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.