Treatment with an adjustable long-term implant for post-prostatectomy stress incontinence: The ProACT™ pivotal trial

Steven Nash, Sherif Aboseif, Peter Gilling, Matthew B Gretzer, Harvey Samowitz, Marc Rose, Joel Slutsky, Steven Siegel, Le Mai Tu

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Aims: This paper presents 18-month follow-up results for patients enrolled in a pivotal study conducted to support an FDA premarket approval application (PMAA). The trial evaluated the safety and efficacy of the ProACT Adjustable Continence Therapy for the treatment of post-prostatectomy stress urinary incontinence (SUI). Methods: The clinical study involved 11 clinical sites and enrolled 160 subjects. A total of 124 subjects met study criteria and 123 underwent ProACT implantation from July 2005 through June 2007, of whom 98 completed 18-month follow-up. Endpoints included 24-h pad weight, Incontinence Quality of Life Questionnaire (I-QOL), UCLA Prostate Cancer Index-Urinary Function (PCI-UF), residual volume, and device or procedure-related adverse events (AEs). Results: The mean surgical time was 32 min. Statistically significant improvements during follow-up were observed in 24-h pad weight, for which the cohort mean pre-implant urine loss was 399 g, which was reduced at 18 months to 160 g (P < 0.001). Reductions in pad weight were observed across all levels of pre-implant SUI severity. Significant improvements were also seen in quality of life as measured by the I-QOL (P < 0.001) as well as measures of urinary function and pad count. One procedure-related serious adverse event (SAE), retention, was reported among the 124 subjects; the SAE was resolved without clinical meaningful sequalae. Conclusions: These results demonstrate the safety and efficacy of this newly FDA-approved therapy, showing significant improvements in objective and subjective measures of SUI in mild, moderate, and severely incontinent male patients. The duration of the implant procedure is short, and complications are mild and easily resolvable.

Original languageEnglish (US)
JournalNeurourology and Urodynamics
DOIs
StateAccepted/In press - Jan 1 2018

Keywords

  • incontinence
  • prosthesis
  • quality of life

ASJC Scopus subject areas

  • Clinical Neurology
  • Urology

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