Diagnostic performance of 18F-PSMA-1007 PET/CT in patients with biochemical recurrent prostate cancer

Rahbar, Kambiz; Afshar Oromieh, Ali; Seifert, Robert; Wagner, Stefan; Schäfers, Michael; Bögemann, Martin; Weckesser, Matthias (2018). Diagnostic performance of 18F-PSMA-1007 PET/CT in patients with biochemical recurrent prostate cancer. European journal of nuclear medicine and molecular imaging, 45(12), pp. 2055-2061. Springer-Verlag 10.1007/s00259-018-4089-x

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Abstract PURPOSE: The introduction of ligands targeting prostate-specific membrane antigen (PSMA), especially 68Ga-PSMA-11, has changed the management of patients with prostate cancer (PCa). 18F-Labelled ligands can be produced in larger amounts and therefore can improve availability for a larger group of patients. The aim of this study was to evaluate the diagnostic performance of the recently introduced 18F-PSMA-1007 in patients with recurrent PCa. METHODS: This retrospective analysis included 100 consecutive patients with biochemical relapse (mean age 68.75 ± 7.6 years) referred for PSMA PET/CT. Whole-body PET/CT imaging (from the lower limbs to the skull) was performed in all patients 120 min after injection of 338 ± 44.31 MBq 18F-PSMA-1007. Prostatectomy, radiation beam therapy of the prostate bed and androgen-deprivation therapy had been performed in 92%, 45% and 27% of the patients, respectively. Radiation beam therapy of the prostate bed had been performed in addition to surgery in 38 patients (38%) and 10 patients (10%) had received all three therapy modalities. The probability of a 18F-PSMA-1007 PET/CT scan suggestive of pathology was compared with the Gleason score (GS) and PSA level. RESULTS: Of the 100 patients, 95 (95%) showed at least one pathological finding on 18F-PSMA-1007 PET/CT. The overall median PSA level was 1.34 ng/ml (range 0,04-41.3 ng/ml). The rates of pathological scans were 86%, 89%, 100% and 100% among patients with PSA levels ≤0.5, 0.51-1.0, 1.1-2.0 and > 2.0 ng/ml, respectively. The median GS was 7 (range 5-10). The majority of patients (70) with a GS available had a score in the range 7-9. The rate of pathological scans in these patients was 93% (65/70). The median SUVmax values of the pathological findings were 10.25, 14.32, 13.16 and 28.87 in patients with PSA levels ≤0.5, 0.51-1.0, 1.1-2.0 and >2.0 ng/ml, respectively. The median SUVmax in patients with a PSA level of >2.0 ng/ml was significantly higher than in all other PSA groups. CONCLUSION: 18F-PSMA-1007 PET/CT can detect recurrent PCa in a high percentage of patients with biochemical relapse. The probability of a pathological 18F-PSMA-1007 PET/CT scan seems to be high even in patients with a low PSA level ≤0.5 ng/ml, and this may have a significant impact on the management of this relevant group of patients. KEYWORDS: Biochemical relapse; PSMA-1007; Prostate cancer

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Clinic of Nuclear Medicine

UniBE Contributor:

Afshar Oromieh, Ali


600 Technology > 610 Medicine & health








Sabine Lanz

Date Deposited:

01 Feb 2019 15:50

Last Modified:

25 Oct 2019 10:43

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