Chitosan membranes applied on the prostatic neurovascular bundles after nerve-sparing robot-assisted radical prostatectomy: a phase II study
Abstract
Objective: To evaluate the feasibility and the safety of applying chitosan membrane (ChiMe) on the neurovascular bundles (NVBs) after nerve-sparing robot-assisted radical prostatectomy (NS-RARP). The secondary aim of the study was to report preliminary data and in particular potency recovery data.
Patients and methods: This was a single-centre, single-arm prospective study, enrolling all patients with localised prostate cancer scheduled for RARP with five-item version of the International Index of Erectile Function scores of >17, from July 2015 to September 2016. All patients underwent NS-RARP with ChiMe applied on the NVBs. The demographics, perioperative, postoperative and complications data were evaluated. Potency recovery data were evaluated in particular and any sign/symptom of local allergy/intolerance to the ChiMe was recorded and evaluated.
Results: In all, 140 patients underwent NS-RARP with ChiMe applied on the NVBs. Applying the ChiMe was easy in almost all the cases, and did not compromise the safety of the procedure. None of the patients reported signs of intolerance/allergy attributable to the ChiMe and potency recovery data were encouraging.
Conclusion: In our experience, ChiMe applied on the NVBs after NS-RARP was feasible and safe, without compromising the duration, difficulty or complication rate of the 'standard' procedure. No patients had signs of intolerance/allergy attributable to the ChiMe and potency recovery data were encouraging. A comparative…
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 140 participants or records.
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