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RECRUITING

NCT07171905

PHASE2

CAT-VHL Exploring the Role of Carbonic Anhydrase IX as Diagnostic and Theranostic Target in Von-Hippel Lindau Disease

Sponsor: IRCCS Ospedale San Raffaele

View on ClinicalTrials.gov

Summary

The study is a phase 2, non-comparative and non-randomized, single arm, national clinical trial testing the hypothesis that CAIX-PET has diagnostic and theranostic potential in VHL disease and in VHL-/- tumors. Participants will receive a single dose of the diagnostic radiopharmaceutical \[89Zr\]Zr-DFO-Girentuximab and subsequently will be subjected to imaging with an hybrid PET/CT scanner. Sensitivity and diagnostic accuracy of experimental imaging will be assessed against standard of truth derived from standard of care procedures such as MRI or pathology following surgery. A theranostic approach will be simulated by replacing the physical decay of the diagnostic isotope \[89Zr\]Zr with the physical decay of therapeutic isotopes and evaluating tissue dosimetry.

Official title: Exploring the Role of Carbonic Anhydrase IX as Diagnostic and Theranostic Target in Von-hippel Lindau Disease

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

Start Date

2026-02-25

Completion Date

2026-12-31

Last Updated

2026-03-09

Healthy Volunteers

Conditions

VHL - Von Hippel-Lindau Syndrome

Interventions

DRUG

investigating the role of CAIX as target in VHL disease and in VHL-/- tumors.

Participants VHL disease and in VHL-/- tumors, will receive a single dose of the diagnostic radiopharmaceutical \[89Zr\]Zr-DFO-Girentuximab and subsequently undergo imaging with a hybrid PET/CT scanner.

Inclusion Criteria: * Voluntarily given informed consent * Age ≥18 years old * Performance Status ECOG/WHO score 0-2 * For females of reproductive potential, negative pregnancy test and use of highly effective contraception for 30 days following IMP administration * For males of reproductive potential, use of highly effective contraception for 30 days following IMP administration. And, for the primary cohort: * Diagnosis of VHL disease requiring surveillance following confirmation of pathogenic variant at genetic test Alternatively, for the secondary cohort: \- Clinical and/or pathological diagnosis of hemangioblastoma, pheochromocytoma, pancreatic neuroendocrine tumor or clear cell renal cell carcinoma requiring surgery. Exclusion Criteria: * Performance Status ECOG/WHO score \>2 * Women who are pregnant or breastfeeding or are planning pregnancy during the study * Men who are planning fatherhood during the study * Exposure to any murine or chimeric antibodies within 5 years prior to the planned IMP administration * Exposure to any experimental diagnostic or therapeutic drug within 30 days from the planned IMP administration * Surgery, biopsy, ablative procedure, radiotherapy or any other local treatment for any primary tumor within 4 weeks prior to the planned IMP administration * Exposure to any systemic agent within 4 weeks prior to the planned IMP administration or in case of continuing adverse effects with grade \>1 from such therapy * Current exposure to systemic agents or scheduled therapy in the next 6 months following the planned IMP administration * Serious non-malignant disease (e.g. psychiatric, infectious, autoimmune or metabolic) that may interfere with the objectives of the study or within the safety of compliance of the subjects as judged by the Investigator * Known hypersensitivity to \[89Zr\]Zr-DFO-Girentuximab or DFO (Desferrioxamine) * Severe chronic kidney disease with glomerular filtration rate ≤ 30 mL/min/1.73m2 * Other vulnerable categories than rare disease (e.g, being in detention)

Locations (1)

IRCCS Ospedale San Raffaele

Milan, Italia, Italy