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RECRUITING
NCT06645808
EARLY_PHASE1

PET-imaging of Two Vartumabs in Patients With Solid Tumors

Sponsor: Var2 Pharmaceuticals

View on ClinicalTrials.gov

Summary

VARTUTRACE is a first-in-human PET/CT molecular imaging study in patients with solid tumors. This study will investigate the biodistribution and pharmacology of two antibody fragments binding oncofetal Chondroitin Sulfate (CS). Oncofetal CS are tumor-specific carbohydrate motifs present in proteoglycans and identified by VAR2 Pharmaceuticals as expressed during fetal development. Oncofetal CS reappears in the vast majority of cancers while remaining largely absent from normal tissues. VAR2 Pharmaceuticals recently developed antibodies specific for oncofetal CS. VARTUTRACE uses two of these as radiolabeled antibody fragments to study biodistribution, tumor accumulation, pharmacodynamics and clearance pathways in a diverse patient population.

Official title: The Safety, Tolerability and Biodistribution of a Single Intravenous Administration of Two Zirconium-89 Labelled Vartumabs (F8scFV or C9scFv) in Patients With Solid Tumors - a Phase 0, Open Label, PET/CT Molecular Imaging Basket Trial

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

32

Start Date

2024-12-10

Completion Date

2026-09

Last Updated

2025-12-29

Healthy Volunteers

No

Interventions

BIOLOGICAL

89Zr-DFO-N-Suc-F8scFv

89-Zirconium labeled short-chain variable fragment F8 targeting oncofetal CS.

BIOLOGICAL

89Zr-DFO-N-Suc-C9scFv

89-Zirconium labeled short-chain variable fragment C9 targeting oncofetal CS.

RADIATION

PET/CT scan

IMP administration will be followed by PET/CT scans on day 1, 2 and 4.

Locations (1)

University Medical Center Groningen (UMCG)

Groningen, Provincie Groningen, Netherlands