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Published in: European Journal of Nuclear Medicine and Molecular Imaging 9/2019

Open Access 01-08-2019 | Computed Tomography | Original Article

Lesion detection by [89Zr]Zr-DFO-girentuximab and [18F]FDG-PET/CT in patients with newly diagnosed metastatic renal cell carcinoma

Authors: Sarah R. Verhoeff, Suzanne C. van Es, Eline Boon, Erik van Helden, Lindsay Angus, Sjoerd G. Elias, Sjoukje F. Oosting, Erik H. Aarntzen, Adrienne H. Brouwers, Thomas C. Kwee, Sandra Heskamp, Otto S. Hoekstra, Henk Verheul, Astrid A. M. van der Veldt, Elisabeth G. E. de Vries, Otto C. Boerman, Winette T. A. van der Graaf, Wim J. G. Oyen, Carla M. L. van Herpen

Published in: European Journal of Nuclear Medicine and Molecular Imaging | Issue 9/2019

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Abstract

Purpose

The main objective of this preliminary analysis of the IMaging PAtients for Cancer drug selecTion (IMPACT)-renal cell cancer (RCC) study is to evaluate the lesion detection of baseline contrast-enhanced CT, [89Zr]Zr-DFO-girentuximab-PET/CT and [18F]FDG-PET/CT in detecting ccRCC lesions in patients with a good or intermediate prognosis metastatic clear cell renal cell carcinoma (mccRCC) according to the International Metastatic Database Consortium (IMDC) risk model.

Methods

Between February 2015 and March 2018, 42 newly diagnosed mccRCC patients with good or intermediate prognosis, eligible for watchful waiting, were included. Patients underwent CT, [89Zr]Zr-DFO-girentuximab-PET/CT and [18F]FDG-PET/CT at baseline. Scans were independently reviewed and lesions of ≥10 mm and lymph nodes of ≥15 mm at CT were analyzed. For lesions with [89Zr]Zr-DFO-girentuximab or [18F]FDG-uptake visually exceeding background uptake, maximum standardized uptake values (SUVmax) were measured.

Results

A total of 449 lesions were detected by ≥1 modality (median per patient: 7; ICR 4.25–12.75) of which 42% were in lung, 22% in lymph nodes and 10% in bone. Combined [89Zr]Zr-DFO-girentuximab-PET/CT and CT detected more lesions than CT alone: 91% (95%CI: 87–94) versus 56% (95%CI: 50–62, p = 0.001), respectively, and more than CT and [18F]FDG-PET/CT combined (84% (95%CI:79–88, p < 0.005). Both PET/CTs detected more bone and soft tissue lesions compared to CT alone.

Conclusions

The addition of [89Zr]Zr-DFO-girentuximab-PET/CT and [18F]FDG-PET/CT to CT increases lesion detection compared to CT alone in newly diagnosed good and intermediate prognosis mccRCC patients eligible for watchful waiting.
Appendix
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Metadata
Title
Lesion detection by [89Zr]Zr-DFO-girentuximab and [18F]FDG-PET/CT in patients with newly diagnosed metastatic renal cell carcinoma
Authors
Sarah R. Verhoeff
Suzanne C. van Es
Eline Boon
Erik van Helden
Lindsay Angus
Sjoerd G. Elias
Sjoukje F. Oosting
Erik H. Aarntzen
Adrienne H. Brouwers
Thomas C. Kwee
Sandra Heskamp
Otto S. Hoekstra
Henk Verheul
Astrid A. M. van der Veldt
Elisabeth G. E. de Vries
Otto C. Boerman
Winette T. A. van der Graaf
Wim J. G. Oyen
Carla M. L. van Herpen
Publication date
01-08-2019
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Nuclear Medicine and Molecular Imaging / Issue 9/2019
Print ISSN: 1619-7070
Electronic ISSN: 1619-7089
DOI
https://doi.org/10.1007/s00259-019-04358-9

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