Dataset Information

Fecal Microbiota Transfer.

ABSTRACT: BACKGROUND:Fecal microbiota transfer (FMT) is increasingly being used in Ger- many, as in other countries, for the treatment of recurrent Clostridioides difficile infection (rCDI). FMT is now being performed both for research and in individual patients outside of clinical trials. No compulsory standards have been established to date for donor screening or for the method of fecal transfer. Given the potential dangers of FMT, this would seem to be urgently necessary. METHODS:This review is based on pertinent literature retrieved by a selective search, including the reports of consensus conferences from Germany and abroad. RESULTS:Because of its high efficacy, FMT is the treatment of choice for rCDI. It is largely free of adverse side effects, even in immune-deficient patients, as long as comprehensive and repeated donor screening has been carried out, with extensive clinical and microbiological testing and with the use of structured questionnaires. The ingestion of frozen, encapsulated microbiota is just as effective as other modes of delivery for the treatment of rCDI. CONCLUSION:Encapsulation of the fecal microbiome (FM) and storage at -20°C is the method of choice, because it can be standardized with the necessary quality controls and it is readily available. Patients with rCDI should undergo FMT by orally ingesting the capsules. There are ongoing research efforts to identify the active e FM. It is not yet clear when the ultimate goal of recombinant production can be achieved.

SUBMITTER: Stallmach A

PROVIDER: S-EPMC7026570 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Fecal Microbiota Transfer.

Stallmach Andreas A Steube Arndt A Grunert Philip P Hartmann Michael M Biehl Lena M LM Vehreschild Maria J G T MJGT

Deutsches Arzteblatt international 20200101 3

<h4>Background</h4>Fecal microbiota transfer (FMT) is increasingly being used in Ger- many, as in other countries, for the treatment of recurrent Clostridioides difficile infection (rCDI). FMT is now being performed both for research and in individual patients outside of clinical trials. No compulsory standards have been established to date for donor screening or for the method of fecal transfer. Given the potential dangers of FMT, this would seem to be urgently necessary.<h4>Methods</h4>This re ...[more]

PMID: 32031511

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Project description:UnlabelledFecal microbiota transplantation (FMT) is a highly effective treatment for refractoryClostridium difficileinfections. However, concerns persist about unwanted cotransfer of pathogenic microbes such as viruses. Here we studed FMT from a single healthy human donor to three pediatric ulcerative colitis patients, each of whom received a course of 22 to 30 FMT treatments. Viral particles were purified from donor and recipient stool samples and sequenced; the reads were then assembled into contigs corresponding to viral genomes or partial genomes. Transfer of selected viruses was confirmed by quantitative PCR. Viral contigs present in the donor could be readily detected in recipients, with up to 32 different donor viral contigs appearing in a recipient sample. Reassuringly, none of these were viruses are known to replicate on human cells. Instead, viral contigs either scored as bacteriophage or could not be attributed taxonomically, suggestive of unstudied phage. The two most frequently transferred gene types were associated with temperate-phage replication. In addition, members ofSiphoviridae, the group of typically temperate phages that includes phage lambda, were found to be transferred with significantly greater efficiency than other groups. On the basis of these findings, we propose that the temperate-phage replication style may promote efficient phage transfer between human individuals. In summary, we documented transfer of multiple viral lineages between human individuals through FMT, but in this case series, none were from viral groups known to infect human cells.ImportanceTransfer of whole communities of viruses between humans has rarely been studied but is of likely medical importance. Here we studied fecal microbiota transplantation (FMT), a highly successful treatment for relapsingClostridium difficileinfection and, potentially, other gastrointestinal (GI) diseases. We investigated the transfer of viral communities during FMT and documented transfer of multiple viral lineages between humans. None of these were viruses that replicated on animal cells or that are known to be pathogenic. We found that temperate bacteriophage, which form stable associations with their hosts, were significantly more likely to be transferred during FMT. This supports a model in which the viral temperate replication style may have evolved in part to support efficient viral transmission between environments.

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Fecal Microbiota Transfer.

Publications

Fecal Microbiota Transfer.

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