Randomized Controlled Trial of Aquablation versus Transurethral Resection of the Prostate in Benign Prostatic Hyperplasia: One-year Outcomes

Peter J. Gilling, Neil Barber, Mohamed Bidair, Paul Anderson, Mark Sutton, Tev Aho, Eugene Kramolowsky, Andrew Thomas, Barrett Cowan, Claus Roehrborn

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Abstract

Objective: To report 1-year safety and efficacy outcomes after either Aquablation or transurethral resection of the prostate (TURP) for the treatment of lower urinary tract symptoms related to benign prostatic hyperplasia (BPH) Methods: This double-blinded, multicenter prospective randomized controlled trial assigned 181 patients with BPH-related moderate-to-severe lower urinary tract symptoms to either electrocautery-based prostate resection (TURP) or Aquablation. Efficacy endpoints included reduction in International Prostate Symptom Score and improvement in uroflow parameters. The primary safety endpoint was the occurrence of Clavien-Dindo persistent grade 1 or grade 2 or higher complications. Results: BPH symptom score improvements were similar across groups with 12-month reduction of 15.1 points after TURP or Aquablation. In both groups, mean maximum urinary flow rates increased markedly postoperatively, with mean improvements of 10.3 cc/s for Aquablation versus 10.6 cc/s for TURP (P =.8632). At 1 year, Prostate-specific antigen (PSA) was reduced significantly (P <.01) in both groups by 1 point; the reduction was similar across groups (P =.9125). Surgical retreatment for BPH rates for TURP were 1.5% and Aquablation 2.6% within 1 year from the study procedure (P = not significant (NS)). The rate of late complications was low, with no procedure-related adverse events after month 6. Conclusion: The 1-year outcomes after TURP and Aquablation were similar and the rate of late procedure-related complications was low. (ClinicalTrials.gov number, NCT02505919).

Original languageEnglish (US)
Pages (from-to)169-173
Number of pages5
JournalUrology
Volume125
DOIs
StatePublished - Mar 2019

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ASJC Scopus subject areas

  • Urology

Cite this

Gilling, P. J., Barber, N., Bidair, M., Anderson, P., Sutton, M., Aho, T., Kramolowsky, E., Thomas, A., Cowan, B., & Roehrborn, C. (2019). Randomized Controlled Trial of Aquablation versus Transurethral Resection of the Prostate in Benign Prostatic Hyperplasia: One-year Outcomes. Urology, 125, 169-173. https://doi.org/10.1016/j.urology.2018.12.002