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Clinical Trial Summary

Increased evidence suggests that dopamine acts as an important regulator of immune function. A substantial amount of dopamine exists in the gastrointestinal tract, especially in colonic lumen. Decreased dopamine level has been reported in the colonic mucosa of ulcerative colitis patients. Therefore, the investigators suppose that colonic dopamine could involve in the ulcerative colitis and play an important role. This study aims to explore the role of dopamine in ulcerative colitis and underlying mechanism, which will provide a rationale for diagnosis and treatment of the ulcerative colitis.


Clinical Trial Description

This study is a case-control clinical study. 30 patients with non-ulcerative colitis examined by endoscopy were selected as the control group. According to the inclusion and exclusion criteria, 30 patients with ulcerative colitis were determined. The baseline data of patients were recorded objectively: name, sex, age, vital signs, body weight and stool condition (frequency, character, etc.). Some laboratory examination results (blood routine, fecal routine and fecal culture, liver function, blood coagulation function, electrolyte, etc.), ulcerative colitis lesion range, ulcerative colitis classification and related history (common disease, treatment history and life history). Colonic mucosal tissue samples of patients with ulcerative colitis and control group were obtained by colonoscopic biopsy. The degree of inflammation was evaluated by related inflammatory factors via ELISA. The changes of dopamine system was detected by HPLC-ECD, Western Blot and immunohistochemistry. This study aims to provide new diagnostic and therapeutic basis, select appropriate drug delivery through clarify the effect and mechanism of local dopamine on colitis. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05214404
Study type Observational
Source Affiliated Hospital to Academy of Military Medical Sciences
Contact
Status Completed
Phase
Start date February 16, 2022
Completion date September 20, 2022

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