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NeuroSAFE frozen section during robot-assisted radical prostatectomy (RARP): Peri-operative and Histopathological Outcomes from the NeuroSAFE PROOF Feasibility Randomised Controlled Trial

Dinneen, E; Haider, A; Grierson, J; Freeman, A; Oxley, J; Briggs, T; Nathan, S; ... Shaw, G; + view all (2020) NeuroSAFE frozen section during robot-assisted radical prostatectomy (RARP): Peri-operative and Histopathological Outcomes from the NeuroSAFE PROOF Feasibility Randomised Controlled Trial. BJU International , 127 (6) pp. 676-686. 10.1111/bju.15256. Green open access

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Abstract

Objectives: To report on the methods, peri‐operative outcomes and histopathological concordance between frozen and final section from the NeuroSAFE PROOF Feasibility study (NCT03317990). Patients and Methods: Between May 2018 and March 2019 49 men at 2 UK centres underwent robot‐assisted robotic prostatectomy (RARP). 25 men were randomised to NeuroSAFE RARP (intervention arm) vs. 24 men to standard RARP (control arm). Frozen section was compared to final paraffin section margin assessment in the 25 men in the NeuroSAFE arm. Operation timings and complications were collected prospectively in both arms. Results: 50 NVB from 25 patients in the NeuroSAFE arm were analysed. When analysed by each pathological section (n=250, average 5 per side) we note sensitivity 100%, specificity 99.2%, AUC was 0.994 (95% CI 0.985 to 1, P= <.001). On an NVB basis (n=50) we note sensitivity of 100%, specificity 92.7%, and AUC of 0.963 (95% CI 0.914 to 1, p = <0.001. NeuroSAFE RARP lasted a mean 3 hours 16 minutes (knife to skin to off table, 95% CI 3 hrs 2 mins ‐ 3 hrs 30 mins) compared to 2 hours 14 minutes (2 hrs 2 mins ‐ 2 hours 25 mins, P=<0.001) for standard RARP. There was no morbidity associated with the additional length of operation in the NeuroSAFE arm. Conclusion: This feasibility study demonstrates the safety, the reproducibility and the excellent histopathological concordance of the NeuroSAFE technique in the NeuroSAFE PROOF trial. Though the technique increases the duration of RARP, this does not cause short‐term harm. Confirmation of feasibility has led to the opening of the fully powered NeuroSAFE PROOF RCT, which is currently underway at 4 sites in the UK.

Type: Article
Title: NeuroSAFE frozen section during robot-assisted radical prostatectomy (RARP): Peri-operative and Histopathological Outcomes from the NeuroSAFE PROOF Feasibility Randomised Controlled Trial
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/bju.15256
Publisher version: https://doi.org/10.1111/bju.15256
Language: English
Additional information: © 2020 The Authors BJU International published by John Wiley & Sons Ltd on behalf of BJU International This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Department of Imaging
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Surgical Biotechnology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Targeted Intervention
URI: https://discovery.ucl.ac.uk/id/eprint/10111420
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