Abstract
Purpose
In this study, we evaluated the impact of 18F-PSMA-11 PET/CT on the patient management plan in patients with primary or recurrent disease. Furthermore, a correlation between PET findings and other modalities was performed.
Procedures
In this prospective observational study, 60 prostate cancer patients (9 primary staging, 51 biochemical recurrence) were imaged with 18F-PSMA-11 PET/CT. Pre- and post-scan questionnaires were completed by the treating physician to observe changes in therapy intent. Follow-up data (histological confirmation, MRI imaging, and PSA values after radiotherapy without implementation of systemic therapy) was correlated with the 18F-PSMA-11 findings.
Results
The patient-based detection rate was 82% and a management change was seen in 52% of the cases. The heterogeneous characteristics of the included patients resulted in a widely varying treatment change, mostly originating from an increase of disease extent on 18F-PSMA-11 PET/CT.
Conclusion
18F-PSMA-11 PET/CT showed to be a highly promising method for the detection of prostate cancer lesions.
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Acknowledgements
The authors would like to thank all the participating staff members and physicians of the Department of Radiotherapy and Urology of Ghent University Hospital for the well-appreciated efforts to recruit patients for the study and for filling out an endless stream of paperwork. Also, a special word of thanks is given to the cyclotron team and nursing staff of the Department of Nuclear Medicine for the production of the radiotracer and the outstanding cooperation.
Funding
The study was supported by the Flemish foundation FWO TBM (T001517).
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Guarantor of integrity of the entire study: KDM.
Study concepts and design: PO, KDM, NVL.
Literature research: KDM.
Clinical studies: KDM, VS, BVDB, NVL, NL, VF, PO.
Experimental studies/data analysis: KDM, VS.
Statistical analysis: SP.
Manuscript preparation: KDM, SP.
Manuscript editing: all authors.
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Conflict of Interest
Prof. Dr. P. Ost has received research grants from Bayer and Varian and has consulted for Janssen, Bayer, Curium, Novartis, and Ferring. Prof. Dr. N. Lumen has consulted for Bayer, Astra Zeneca, Ipsen, Janssen, and Astellas. The other authors declare that they have no conflict of interests.
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De Man, K., Piron, S., Van Laeken, N. et al. Impact of 18F-PSMA-11 PET/CT on Management of Biochemical Recurrence and High-Risk Prostate Cancer Staging. Mol Imaging Biol 24, 750–758 (2022). https://doi.org/10.1007/s11307-022-01724-2
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DOI: https://doi.org/10.1007/s11307-022-01724-2