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Assessment of the Value of FAPI and FDG-PET-CT in Diagnosis of Acute Phase Peyronie's Disease (Hippocrates)

2. november 2026 opdateret af: University Medical Center Groningen

The Use of FAPI-PET/CT and FDG-PET/CT Scan in Acute and Chronic Phase Peyronie's Disease for Detection of Active Fibroblasts and Inflammation in the Penis - a Pilot Study

The goal of this clinical trial is to learn if FAPI-PET/CT and/or FDG-PET/CT scan is able to detect active fibroblast tissue and inflammation in patients with acute or chronic phase PD.

  • Does FAPI PET/CT scan or FDG PET/CT scan show any uptake of inflammatory tissue in patients with Peyronie's disease
  • Participants will undergo a FAPI PET/CT scan and FDG PET/CT scan after diagnosis of Peyronie's disease.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

The use of FAPI-PET/CT and FDG-PET/CT scan in acute or chronic phase Peyronie's disease for detection of active fibroblasts and inflammation in the penis - a pilot study

Rationale Peyronie's Disease (PD) causes curvature of the penis due to grow of fibroblasts, leading to an inflammatory reaction in the Tunica Albuginea. It's causing pain in the acute phase in 20-70% of men. New pharmaceutical therapies are being developed, but these are only suitable for the active phase of PD. It is difficult to differentiate between the active phase with inflammation and active fibrosis, and the chronic phase with end stage fibrosis. At this moment, this differentiation can only be done by taking the history of the patient and physical examination.

Having a diagnostic test that is able to distinguish between the active and chronic phase will be ground-breaking and will support the decision to prescribe the new pharmaceutical options in the future.

FAPI-PET/CT scan is able to show active fibroblasts in tumour tissue. Recent studies also showed that this imaging technique is able to detect active fibroblasts in benign diseases, like idiopathic retroperitoneal fibrosis.

FDG-PET/CT scan can visualise active fibroblasts and inflammation based on enhanced uptake of glucose inside the fibroblasts and other inflammatory cells

Objective To evaluate if FAPI-PET/CT and/or FDG-PET/CT scan is able to detect active fibroblast tissue and inflammation in patients with acute phase PD.

To evaluate if FAPI-PET/CT and/or FDG-PET/CT scan is able to show fibrotic tissue (chronic phase) in a different way to distinguish between acute phase PD and chronic phase PD.

Main trial endpoints Primary: Detection of active fibroblasts (uptake of FAPI) and/or inflammation (uptake of FDG) in the penis of PD patients with FAPI-PET/CT scan and FDG-PET/CT scan.

No detection of FAPI and/or FDG uptake in chronic fibrotic tissue.

Trial design Pilot study

Trial population Ten patients >18 years with PD diagnosis, new onset < 6 months, painful erections, curvature and palpable nodule. Ten patients diagnosed with chronic PD will be included.

Interventions FAPI-PET/CT scan and FDG-PET/CT.

Ethical considerations relating to the clinical trial including the expected benefit to the individual subject or group of patients represented by the trial subjects as well as the nature and extent of burden and risks Nature and extent of the burden and risks associated with participation, benefit and group relatedness: After diagnosis of PD a FAPI-PET/CT scan will be performed in UMCG and < 2 weeks, before or after this, a FDG-PET/CT scan in St. Antonius Hospital. The scans will be performed as soon as possible.

After diagnosis of PD in chronic phase a FAPI-PET/CT scan will be performed in UMCG and a FDG-PET/CT scan in St. Antonius Hospital.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

20

Fase

  • Fase 4

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

    • Utrecht
      • Nieuwegein, Utrecht, Holland, 3435 CM
        • Rekruttering
        • St Antoniusziekenhuis
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Han

Beskrivelse

Inclusion Criteria men >18 years of age

  • mentally competent and understanding of benefits and potential burden of the study
  • be able to sign written informed consent
  • read and understand the Dutch language active phase:
  • painful erections,
  • with onset for < 6 months
  • palpable nodule
  • men >18 years of age chronic phase:
  • Stable curvature of at least 6 months
  • No painful erections for at least 6 months
  • Palpable nodule

Exclusion Criteria:

  • - Known other malignant disease
  • For acute phase: Previous treatment for PD
  • for chronic phase: Previous surgical treatment or treatment by injections for PD

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Diagnostisk
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Pilot study, only 1 arm

1 dosage for PET/scan of 200 MBq

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
In first ten PD patients detection of active fibroblasts (uptake of FAPI) and/or inflammation (uptake of FDG) in the penis with PET/CT scan. In second ten PD Patients no detection of chronic fibrotic tissue with FAPI and/or FDG uptake with PET/CT scan.
Tidsramme: From enrollment to after the second PET/CT scan. The PET/CT Scan will be performed within 2 weeks after enrollment in the active phase. At least 24 hours between the two PET/CT scans. No timelimit in the chronic phase for first PET/CT scan.
From enrollment to after the second PET/CT scan. The PET/CT Scan will be performed within 2 weeks after enrollment in the active phase. At least 24 hours between the two PET/CT scans. No timelimit in the chronic phase for first PET/CT scan.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Samarbejdspartnere

Efterforskere

  • Studieleder: Igle Jan de Jong, professor, University Medical Cener Groningen

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

13. december 2024

Primær færdiggørelse (Anslået)

30. august 2027

Studieafslutning (Anslået)

15. september 2027

Datoer for studieregistrering

Først indsendt

12. oktober 2026

Først indsendt, der opfyldte QC-kriterier

26. oktober 2026

Først opslået (Faktiske)

29. oktober 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

3. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

2. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • METc 2022/299
  • 2024-518838-82-00 (Ctis)
  • 2022-002770-82 (EudraCT nummer)

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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