PPH-01 versus PPH-03 to perform STARR for the treatment of hemorrhoids associated with large internal rectal prolapse: a prospective multicenter randomized trial.

Purpose: This multicenter randomized study was designed to compare the clinical and functional results of stapled transanal rectal resection (STARR) performed with 2 staplers (PPH-01 vs. PPH-03) in the treatment of hemorrhoidal disease associated with a large internal rectal prolapse.

Methods: From a total of 937 patients, referred for hemorrhoidal disease in the 20 centers involved in the study, 425 (45.