IRCT201112258521N1 IRCT 2012-11-16 Ahvaz jundishapur university of medical sciences Effect of argon plasma coagulation in management of bleeding solitary rectal ulcers. Evaluation of Argon plasma coagulation (APC) in healing of bleeding Solitary rectal ulcer in Comparison with Conventional Therapy 2010-10-23 anticipated 60 Complete https://irct.ir/trial/9020 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Ulcer of anus and rectum. Intervention 1: Treatment device intervention was related to patients that received argon plasma coagulation treatment in order to control bleeding and healing of rectal ulcers. This gas directed in focused fashion toward the lesions. Intervention 2: Intervention related to control group was, use of high-fiber diets, laxative, explain and discuss about the nature of a disease and it was recommended to use the toilet.