Abstract
Background
Prostate biopsy is the most common approach for diagnosing prostate cancer (PCa); however, it has inherent limitations, such as the invasive procedure, postoperative complications, and false negative results. We aimed to provide a noninvasive diagnostic strategy for patients with highly suspected PCa and to evaluate the feasibility of performing biopsy-spared radical prostatectomy.
Methods
This prospective study included a total of 57 patients between November 10, 2022, and December 1, 2023. All 57 patients underwent radical prostatectomy without prior prostate biopsy based on a noninvasive diagnostic strategy consisting of a diagnostic prediction model [comprised of the prostate imaging-reporting and data system (PI-RADS) score and prostate-specific antigen density (PSAD)] and the 18F-prostate-specific membrane antigen (PSMA)-1007 positron emission tomography (PET)/computed tomography (CT) examination. The primary endpoint was the positive predictive value (PPV) of clinically significant PCa [the International Society of Urological Pathology (ISUP) grade ≥2, Gleason score ≥3 + 4]. The secondary endpoints were a PPV of any-grade PCa (ISUP grade ≥ 1, Gleason score ≥3 + 3) and high-grade PCa (ISUP grade ≥3, Gleason score ≥4 + 3), and the false positive rate of the diagnostic strategy.
Results
Of the 371 screened patients with clinically suspected PCa, 57 patients fulfilled the criteria and consented to participate in this study. The median PSAD level was 0.56 (0.42–0.82) ng/mL2; 13 (22.8%) patients were identified as having a PI-RADS score of 4, and 44 (77.2%) patients with a PI-RADS score of 5. The median SUVmax of 18F-PSMA-1007 PET/CT was 21.6 (15.8–33.0). For the 57 enrolled patients who received radical prostatectomy directly, the PPV of clinically significant PCa was 98.2% [56/57, 95% confidence interval (CI): 90.6–100%]. Only 1.8% (1/57, 95% CI: 0.0–9.4%) of patients were diagnosed with clinically insignificant PCa (ISUP grade = 1, Gleason score = 3 + 3). The PPV of any-grade PCa and high-grade PCa were 100% and 73.7% (42/57, 95% CI: 60.3–84.5%), respectively. No one had a false positive result.
Conclusions
We proposed a noninvasive diagnostic strategy consisting sequentially of a diagnostic prediction model and the 18F-PSMA-1007 PET/CT examination for diagnosing PCa. Despite some limitations, our initial findings suggest the potential feasibility of radical prostatectomy without prior prostate biopsy.

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Data availability
The study protocol and statistical analysis plan (English version) has been published. The anonymized individual patients’ data were also provided as supplementary material in this study. All data are available upon reasonable request.
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Acknowledgements
We thank all participants, their families and all staff for their contributions to this study. In particularly, we express our gratitude to Chao Gao, MD (Department of Cardiology, Xijing Hospital, Xi’an, China); Zhe Wang, MD (Department of Pathology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China); and Zhihua Zhang, PhD (Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China). We sincerely appreciate assistance from Medical Research Center of Anhui Provincial Hospital in providing convenient conditions.
Funding
This study was supported by the Key Research and Development Program of Anhui Province (202204295107020003), the Distinguished Young Scholars Fund of Anhui Province (2022AH020078), the Key health Project of Anhui Province (AHWJ2022a037), and Major Joint Project of New Medicine of USTC (YD9110002018).
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Conception and design: JX, TT, QX and CW. Data acquisition: CW, LY, MN, YG and YM. Data analysis and interpretation: CW, LY, MN, YG and YL. Critical revision of the manuscript for scientific and factual content: JX, TT, QX, YL and DZ. Drafting the manuscript: CW, TT, MN, LY and YG. Statistical analysis: CW and XL. Supervision: JX, TT, QX, YL and DZ.
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The study protocol was reviewed and approved by the Ethics Committee of the First Affiliated Hospital of USTC (2022KY-142 and 2023KY-083). The implementation of the clinical trial strictly abided by the Declaration of Helsinki. Written informed consent was obtained from all the enrolled patients.
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Wang, C., Xie, Q., Yuan, L. et al. Radical prostatectomy without prostate biopsy based on a noninvasive diagnostic strategy: a prospective single-center study. Prostate Cancer Prostatic Dis 28, 496–502 (2025). https://doi.org/10.1038/s41391-024-00931-y
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DOI: https://doi.org/10.1038/s41391-024-00931-y


