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Updated: May 4, 2026

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
Published on: December 8, 2014
From stool transplants to next-generation microbiota therapeutics
Elaine O Petrof1, Alexander Khoruts2
1Department of Medicine, Division of Infectious Diseases & Gastrointestinal Research Unit; Queens University and Kingston General Hospital, Kingston, ON, Canada.
Fecal microbiota transplantation (FMT) is an effective therapy for Clostridium difficile infection and emerging as a new therapeutic class. Further development requires systematic approaches for broader applications.
Area of Science:
- Microbiology
- Gastroenterology
- Therapeutics Development
Background:
- Clostridium difficile infection (CDI) is a growing epidemic, driving increased use of fecal microbiota transplantation (FMT).
- FMT is highly effective for refractory CDI, highlighting the therapeutic potential of the human microbiota.
- Microbiota imbalance is linked to various diseases, suggesting broader applications for FMT.
Purpose of the Study:
- To discuss the development of microbiota therapeutics as a new class.
- To explore pathways for applying FMT beyond Clostridium difficile indications.
- To emphasize the need for mechanistic understanding and microbial ecology principles in therapeutic development.
Main Methods:
- Review of current practices and future directions in fecal microbiota transplantation.
- Discussion of two distinct development pathways for microbiota therapeutics: whole microbial communities and in vitro-assembled microbial consortia.
- Emphasis on systematic development based on mechanistic understanding and microbial ecology.
Main Results:
- Fecal microbiota transplantation (FMT) is a proven treatment for Clostridium difficile infection.
- The human microbiota is integral to physiology, representing a new class of therapeutics.
- Systematic development is crucial for expanding FMT to non-CDI indications.
Conclusions:
- Fecal microbiota transplantation (FMT) offers a promising therapeutic avenue beyond Clostridium difficile.
- Developing microbiota therapeutics requires a foundation in microbial ecology and mechanistic understanding.
- Two primary development pathways exist: utilizing whole microbial communities or in vitro-assembled specific microorganisms.
Related Concept Videos
Microorganisms in Medicine and Therapeutics
Introduction to the Human Microbiota
Development of Human Microbiota
Microbiota of the Large Intestine
Microbiota of the Stomach and Small Intestine
Functions of the Gut Microbiota

