Rectal Prolapse Clinical Trial
Official title:
Pexy vs. No Pexy in Abdominal Surgery for Full Thickness Rectal Prolapse in Adults: A Randomized Controlled Trial
No randomized controlled trial (RCT) has compared no rectopexy to rectopexy for external
full‐thickness rectal prolapse (FTRP). This study was performed to test the hypothesis that
recurrence rates for FTRP following no rectopexy are not inferior to those for rectopexy.
Method: This is a multicenter randomized non‐inferiority trial. Eligible patients were
randomized to no rectopexy or rectopexy. The no rectopexy arm was defined as abdominal
surgery with rectal mobilization only. The rectopexy arm was defined as abdominal surgery
with mobilization and pexy. Sigmoid resection was not randomized and was added in the
presence of constipation. The endpoint was recurrence rates defined as presence of external
FTRP after surgery. A pre‐RCT meta‐analysis suggested a sample size of 251 patients based on
a 15% expected difference in the 5‐year cumulative recurrence rate. Recurrence‐free curves
will be generated and compared using the Kaplan‐Meier method and log‐rank test,
respectively. A Bonferroni adjustment was used. An adjusted p value of <0.01 was considered
significant.
n/a
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
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