Abstract
Gastrointestinal tract (GIT) involvement in systemic sclerosis (scleroderma, SSc) is the most common internal complication. This review discusses the outcome measures to capture GIT involvement in clinical care and trials. Patient-reported outcome measures have been validated (UCLA Scleroderma Clinical Trial Consortium GIT 2.0 and NIH PROMIS scales) in SSc-GIT. Multiple objective measures are available to assess mucosal involvement and motility in GIT. However, these need to be validated in SSc for trials. GIT is a common cause of morbidity and has negative impact on quality of life in SSc. Recommendations are given for trial design and evaluation of GIT involvement in SSc.
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