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In this feasibility study, a zirconium-89 (89Zr)-avelumab positron emission tomography (PET) scan will be performed in 37 patients prior to treatment with avelumab to: 1. assess the tumor and systemic tissue uptake 89Zr-avelumab 2. assess the potential to predict avelumab treatment response
The programmed death 1 (PD1)/ programmed death ligand 1 (PD-L1) pathway plays an important role in regulating the T-cell anti tumor response. Blocking this interaction with the anti PD-L1 monoclonal antibody avelumab is effective in patients with non-small cell lung cancer (NSCLC) resulting in durable disease control rates. Currently, PD-L1 expression as determined by immune histochemistry (IHC) is the best available biomarker for treatment response, but standardized scoring criteria are lacking and the risk for sampling errors exists. Molecular imaging using 89Zr-labeled antibodies may overcome these limitations, enabling the visualization of PD-L1 expression in primary and metastatic tumor lesions and providing information on the in vivo accessibility of the PD-L1 target following intravenous administration. This study enables PD-L1 PET-imaging with 89Zr-avelumab in patients with: * early stage NSCLC (stage Ia (≥T1b) -IIIa) followed by 2 cycles of neo-adjuvant avelumab treatment and surgical resection of the tumor. * advanced stage NSCLC (Stage IIIb-IV) followed by avelumab treatment until disease progression or intolerable toxicity.
Age
18 - No limit years
Sex
ALL
Healthy Volunteers
No
Radboud University
Nijmegen, Netherlands
Start Date
October 1, 2018
Primary Completion Date
September 15, 2021
Completion Date
December 2, 2021
Last Updated
January 10, 2022
24
ACTUAL participants
89Zr-avelumab PET
DIAGNOSTIC_TEST
Avelumab
DRUG
Lead Sponsor
Radboud University Medical Center
Collaborators
NCT07485114
NCT06066138
Data Source & Attribution
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