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Application of Clinical Metagenomics in the Diagnosis of Ascites

U

University Hospital Freiburg

Status

Completed

Conditions

Ascites Infection

Treatments

Diagnostic Test: Next generation sequencing

Study type

Observational

Funder types

Other

Identifiers

Details and patient eligibility

About

Infection of the ascitic fluid is a serious complication associated with high morbidity and mortality. This fluid is often colonized with bacteria that can cause infection of the peritoneum and possibly sepsis. Many bacteria of the human intestinal microbiome can't be cultured by standard methods; therefore it seems likely that many of the relevant bacteria are not discovered in routine diagnostics, but may be relevant to pathogenesis. Culture-independent approaches such as NGS (Next generation Sequencing) have in principle made it possible to study or prove complex microbial colonization. Because NGS is a relatively new technology, microbiological diagnostic protocols need to be further customized and refined to integrate with the standard diagnostic workflow, if necessary. For microbiological diagnostics, material is collected from the appropriate ascites patients and sent for microbiological diagnostics. Afterwards the cultural diagnostics are carried out as part of the patient care at the university hospital. In this study the investigators plan to use these samples to analyze and compare the presence of bacteria by NGS in parallel to the culture diagnostics, and then compare it to the patients' gut microbiome, to understand the possible effect of the microbiome on ascites pathogenesis and outcome.

Enrollment

50 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male and female patients ≥ 18 years of age
  • Samples from patients who have ascites puncture to exclude infection
  • Written consent of the patient after clarification

Exclusion criteria

  • Minor patients
  • Non-consenting patients
  • Samples without sufficient residual material after standard diagnostics
  • Samples from patients who have not consented to the examination.

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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