A Single-center, Single-arm Study to Evaluate the Safety and Efficacy of Ultra-minimally Invasive Prostate Dilation in Treating Patients With Significant Obstructive Symptoms Caused by Benign Prostatic Hyperplasia

This single-center, single-arm, prospective clinical study aims to preliminarily evaluate the safety and effectiveness of ultra-minimally invasive prostatic dilation using a prostate dilation catheter under real-time transrectal ultrasound (TRUS) guidance in male patients with significant bladder outlet obstruction secondary to benign prostatic hyperplasia (BPH). A total of 5 eligible male subjects aged 40 to 80 years with symptomatic BPH, International Prostate Symptom Score (IPSS) ≥13, maximum urinary flow rate (Qmax) of 5-10 mL/s, prostate volume \<30 mL measured by TRUS, and evident bladder outlet obstruction will be enrolled. All subjects will undergo prostatic balloon dilation with the study device under real-time TRUS guidance. Follow-up assessments will be conducted at 1, 3, and 6 months after treatment. The primary effectiveness endpoint is the change in IPSS from baseline at 1, 3, and 6 months. The primary safety endpoints include bladder neck contracture, retrograde ejaculation, device-related severe urinary retention persisting for more than 14 days after healing, new-onset stress urinary incontinence, device-related bleeding requiring transfusion, and device-related urethral or prostatic capsular rupture requiring surgical intervention. Secondary endpoints include responder rates based on different thresholds of IPSS improvement (≥30%, ≥40%, and ≥50%), changes in Qmax, and changes in visual analogue scale (VAS) scores. Exploratory endpoints include changes in …

This description comes directly from the study's public registry record.

Qing Yuan, MD  ·  19917508192  ·  rentangl@163.com

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