Systemic sclerosis & Raynaud's

Effects of faecal microbiota transplantation on the small intestinal mucosa in systemic sclerosis

Rheumatology (Oxford)Published Exploratory mechanistic study

Authors' conclusion

Combining selective IHC and unbiased gene expression analyses, this exploratory study highlights the potential for disease-relevant organ effects of FMT in SSc patients with GIT involvement.

Study context

Population
SSc patients with gastrointestinal tract (GIT) involvement
Participants
9 patients
Comparison
Intestinal infusion of faecal microbiota transplantation (FMT) vs placebo
  • FMTn = 5
  • Placebon = 4reference
Outcome
Effects of FMT on duodenal mucosa (immunohistochemistry (IHC) and transcriptome)
Methodological detailsplacebo-controlled, duodenal biopsies, immunohistochemistry, whole biopsy transcriptome profiling
  • Placebo-controlled
  • Duodenal biopsies
  • Immunohistochemistry
  • Whole biopsy transcriptome profiling

Main finding

As reported in the abstract

Correlation of decline in podoplanin-positive cells with improved patient-reported lower GIT symptoms

r = 0.94

Correlation of decline in CD64-positive cells with improved patient-reported lower GIT symptoms

r = 0.89

Genes upregulated at both week 2 and week 16, including Matrix metalloproteinase-1

25

Original publication

Effects of faecal microbiota transplantation on the small intestinal mucosa in systemic sclerosis. Rheumatology (Oxford). Published 23 January 2023. doi:10.1093/rheumatology/kead014

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