Volume 53, Issue 1 pp. 33-42
SYSTEMATIC REVIEW

Systematic review: the global incidence of faecal microbiota transplantation-related adverse events from 2000 to 2020

Cicilia Marcella

Cicilia Marcella

Medical Center of Digestive Disease, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China

Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing, China

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Bota Cui

Bota Cui

Medical Center of Digestive Disease, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China

Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing, China

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Colleen R. Kelly

Colleen R. Kelly

Division of Gastroenterology, Alpert Medical School of Brown University, Providence, Rhode Island, USA

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Gianluca Ianiro

Gianluca Ianiro

Digestive Diseases Center, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy

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Giovanni Cammarota

Giovanni Cammarota

Digestive Diseases Center, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy

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Faming Zhang

Corresponding Author

Faming Zhang

Medical Center of Digestive Disease, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China

Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing, China

Correspondence

Prof. Faming Zhang, Medical Center of Digestive Disease, the Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China.

Email: [email protected]

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First published: 07 November 2020
Citations: 40
The Handling Editor for this article was Professor Jonathan Rhodes, and this uncommissioned review was accepted for publication after full peer-review.
Funding informationThis study was supported by Primary Research & Development Plan of Jiangsu Province (BE2018751), Jiangsu Provincial Medical Innovation Team (Zhang F) and China National Clinical Research Center for Digestive Diseases (2015BAI13B07). The sponsors had no role in study design, data collection, analysis and synthesis or writing the manuscript.

Summary

Background

Faecal microbiota transplantation (FMT) is an effective treatment in C. difficile infection (CDI) and is currently being investigated in other diseases. There is concern around the safety of FMT and that side effects or complications may be under-reported in the medical literature.

Aim

To evaluate the safety of FMT by summarising the overall reported Adverse Events (AEs) over a 20-year period

Methods

We searched EMBASE, MEDLINE, and Cochrane Library databases, and CNKI and Wanfang Data from January 2000 to April 2020. All original studies reporting FMT-related AEs were considered for inclusion. FMT-related AEs were further classified as delivery-related or microbiota-related.

Results

Based on the inclusion criteria, 129 studies, which included 4241 patients (5688 FMT courses), were finally eligible. The most common indication for FMT was CDI. Overall, FMT-related AEs were observed in 19% of FMT procedures. The most frequently reported FMT-related AEs were diarrhoea (10%) and abdominal discomfort/pain/cramping (7%). FMT-related serious adverse events (SAEs), including infections and deaths, have been reported in 1.4% of patients who underwent FMT (0.99% microbiota-related SAEs). Four of five FMT-related deaths were reported in patients receiving FMT via the upper gastrointestinal route. Importantly, all reported FMT-related SAEs were in patients with mucosal barrier injury.

Conclusion

Most FMT-related AEs were mild or moderate and self-limiting. Although FMT appears to be highly safe, its methodology should be improved to reduce both delivery-related AEs and, microbiota-related AEs.

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