Characterizing Inflammatory Bowel Disease With 68Ga-FAPI PET/CT

Status Recruiting

Clinical Trial Summary

68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and some inflammation,such as inflammatory bowel disease. And it might be more sensitive than FDG in detecting a certain type of inflammations according to our preliminary research. Thus this prospective study is going to investigate whether 68Ga-FAPI PET/CT may be superior for diagnosis, therapy response assessment and follow-up of inflammatory bowel disease than 18F-FDG PET/CT.

Clinical Trial Description

Inflammatory bowel disease (IBD) is comprised of two major disorders: ulcerative colitis (UC) and Crohn's disease(CD).CD is an autoimmune condition resulting in chronic gut inflammation that can be complicated by intestinal fibrosis and stricture formation. Ulcerative colitis is characterized by recurring episodes of inflammation limited to the mucosal layer of the colon. It commonly involves the rectum and may extend in a proximal and continuous fashion to involve other parts of the colon. Studies identified FAP to be overexpressed in uninflamed strictures compared with nonstrictured colonic regions in biopsies taken from Crohn's disease patients. But preliminary studies showed FAP was not overexpressed in colonic biopsies taken from healthy individuals or individuals with ulcerative colitis.68Ga-FAPI has been developed as a tumor-targeting agent as fibroblast activation protein is overexpressed in cancer-associated fibroblasts and inflammation. Recently we have published an article of the application of 68Ga-FAPI in IgG4-related disease which showed it was more sensitive than FDG in detecting a certain type of inflammations. Thus this prospective study is going to investigate whether 68Ga-FAPI PET/CT may be superior for diagnosis, therapy response assessment and follow-up of IBD than 18F-FDG PET/CT. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04507932
Study type	Interventional
Source	Peking Union Medical College Hospital
Contact	Yaping Luo, MD
Phone	86-10-69155513
Email	luoyaping@live.com
Status	Recruiting
Phase	Early Phase 1
Start date	August 1, 2020
Completion date	December 1, 2022

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