The goal of this clinical trial is to learn about how vedolizumab may affect patients with collagenous gastritis (CG). The main questions it aims to answer are: * Whether vedolizumab can reduce CG symptoms * Whether vedolizumab is safe to take for patients with CG Participants in this study will: * Receive vedolizumab through an IV ("infusion") * Complete a survey at each infusion visit * Have blood collected at each infusion visit * Undergo an endoscopy with biopsy at 2 timepoints
Collagenous Gastritis
The goal of this clinical trial is to learn about how vedolizumab may affect patients with collagenous gastritis (CG). The main questions it aims to answer are: * Whether vedolizumab can reduce CG symptoms * Whether vedolizumab is safe to take for patients with CG Participants in this study will: * Receive vedolizumab through an IV ("infusion") * Complete a survey at each infusion visit * Have blood collected at each infusion visit * Undergo an endoscopy with biopsy at 2 timepoints
Vedolizumab for the Treatment of Collagenous Gastritis
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Massachusetts General Hospital, Boston, Massachusetts, United States, 02114
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
For general information about clinical research, read Learn About Studies.
14 Years to
ALL
No
Massachusetts General Hospital,
2026-10