Assessment of safEty, Tolerability, Radiation Dosimetry, and Imaging Properties of 89Zr-labeled giRenTuximab (89Zr-Girentuximab) in patIents With Non-musclE-iNvasive Bladder CancEr (NMIBC) (PERTINENCE)

  • participants needed
  • sponsor
    Institut Cancerologie de l'Ouest
Updated on 31 January 2023
invasive bladder cancer
bladder tumor


The purpose of this study is to evaluate the use of 89Zr-labeled girentuximab (89Zr-TLX250) as a novel, carbonic anhydrase IX (CAIX) targeted PET/CT radiopharmaceutical for the imaging of Non-muscle-invasive bladder cancer (NMIBC) patients.


There is a real need for treatment of NMIBC. Currently, treatment options include Bacillus Calmette-Guerin (BCG) intravesical immunotherapy and mitomycin C chemotherapy. These therapies are efficient for some time but relapses repeat them at more and more close intervals and finally patients are refractory to them and require a radical cystectomy.

CAIX is expressed in 70% to 90% of bladder cancers but not in normal urothelial tissue. CAIX is expressed on the membrane of Non-Muscle-Invasive Bladder Cancer cells.

Girentuximab, an anti-CAIX antibody could be a promising target in NMIBC. PET/CT with Girentuximab labelled with 89Zirconium will be used for diagnosis purpose. 89Zr-Girentuximab will be administered by intravesical instillation.

In this study, patients with Non-Muscle-Invasive Bladder Cancer (NMIBC) will be enrolled in this study after confirmation of their eligibility.

A single intravesical administration of 89Zr-Girentuximab will be performed at day 0.

Multiple PET/CT imaging sessions will be performed on day 0, day 1 and day 2 in order to evaluate the bladder and the whole body 89Zr girentuximab uptake.

Condition Bladder Cancer
Treatment 89Zr-TLX250 PET/CT
Clinical Study IdentifierNCT04897763
SponsorInstitut Cancerologie de l'Ouest
Last Modified on31 January 2023

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