Related Experiment Video
Updated: Jan 31, 2026
Murine Fecal Isolation and Microbiota Transplantation
Published on: May 26, 2023
Fecal microbiota transplantation: donor relation, fresh or frozen, delivery methods, cost-effectiveness
Daryl Ramai1, Karl Zakhia2, Andrew Ofosu3
1Department of Medicine, The Brooklyn Hospital Center, Academic Affiliate of The Icahn School of Medicine at Mount Sinai, Clinical Affiliate of The Mount Sinai Hospital, Brooklyn (Daryl Ramai).
Abstract:
Fecal microbiota transplantation (FMT) has evolved into a robust and efficient means for treating recurrent Clostridium difficile infection (CDI). Our narrative review looks at the donor selection, preparation, delivery techniques and cost-effectiveness of FMT. We searched electronic databases, including PubMed, MEDLINE, Google Scholar, and Cochrane Databases, for studies that compared the biological effects of donor selection, fresh or frozen fecal preparation, and various delivery techniques. We also evaluated the cost-effectiveness and manually searched references to identify additional relevant studies. Overall, there is a paucity of studies that directly compare outcomes associated with related and non-related stool donors. However, inferences from prior studies indicate that the success of FMT does not depend on the donor-patient relationship. Over time, the use of unrelated donors has increased because of the formation of stool banks and the need to save processing time and capital. However, longitudinal studies are needed to clarify the optimal freezing time before microbial function declines. Several FMT techniques have been developed, such as colonoscopy, enema, nasogastric or nasojejunal tubes, and capsules. The comparable and high efficacy of FMT capsules, combined with their convenience, safety and aesthetically tolerable mode of delivery, makes it an attractive option for many patients. Cost-effective models comparing these various approaches support the use of FMT via colonoscopy as being the best strategy for the treatment of recurrent CDI.
Insights
Fecal microbiota transplantation (FMT) is effective for recurrent Clostridium difficile infection (CDI). Colonoscopy delivery is the most cost-effective FMT method for treating CDI.
Area of Science:
- Microbiology
- Gastroenterology
- Infectious Diseases
Background:
- Recurrent Clostridium difficile infection (CDI) poses a significant clinical challenge.
- Fecal microbiota transplantation (FMT) has emerged as a highly effective treatment for recurrent CDI.
- Optimizing FMT protocols requires careful consideration of donor selection, preparation, and delivery methods.
Purpose of the Study:
- To review donor selection, preparation, delivery techniques, and cost-effectiveness of FMT for recurrent CDI.
- To synthesize current evidence on the efficacy and safety of various FMT approaches.
- To identify areas requiring further research in FMT for CDI treatment.
Main Methods:
- A narrative review of electronic databases (PubMed, MEDLINE, Google Scholar, Cochrane) was conducted.
- Studies comparing donor types, fresh vs. frozen preparations, and delivery methods were analyzed.
- Cost-effectiveness analyses and manual reference searches were also performed.
Main Results:
- Donor relationship (related vs. unrelated) does not appear to impact FMT success rates for CDI.
- The use of unrelated donors is increasing due to stool banks and efficiency gains.
- FMT capsules offer comparable efficacy to other methods with improved convenience and tolerability.
- Colonoscopy remains the most cost-effective delivery method for FMT in recurrent CDI.
Conclusions:
- FMT is a robust treatment for recurrent CDI, with various effective delivery methods available.
- While FMT capsules are convenient, colonoscopy-delivered FMT presents the most cost-effective strategy.
- Further longitudinal studies are needed to determine optimal fecal sample freezing times and long-term outcomes.
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