Radiation proctitis is a common complication after radiation therapy for pelvic tumors. The investigators found that live bifidobacterium and lactobacillus tablets combined with compound glutamine enteric-coated capsules can significantly relieve the symptoms of radiation proctitis through preliminary clinical practice, but the mechanism is unknown. Through a prospective randomized controlled study, this study intends to investigate the incidence of grade 2 or higher acute radiation proctitis in patients of locally advanced rectal cancer after radiotherapy with the combined therapy. And through various scales, next-generation sequencing methods and other methods to evaluate the clinical symptoms, colonoscopy, imaging, and changes in the species and abundance of intestinal flora before and after treatment. To further explore the related pathways and mechanisms affecting radiation proctitis.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
176
Live Combined Bifidobacterium and Lactobacillus Tablets:probiotics. Compound Glutamine Entersoluble capsules:combined traditional Chinese medicine and glutamine
West China Hospital
Chengdu, Sichuan, China
RECRUITINGXin Wang
Chengdu, Sichuan, China
RECRUITINGIncidence of radiation proctitis
Incidence of grade ≥2 radiation proctitis in combination therapy group
Time frame: two months
remission rate of radiation proctitis
remission rate of radiation proctitis after combined treatment in control group developed radiation proctitis of grade ≥2
Time frame: two months
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