Molecular Diagnostics of Bacterial Infections and Antibiotic Resistance in Blood Samples and Rectal Swabs Using Advanced NGS Sequencing Methods

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-06-28

Study Completion Date

2024-12-31

Brief Summary

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This is an experimental study without drug and device, non-profit, on biological samples stored at the Tropica Biobank of the DITM. The aim of the project is to verify the performance of NGS-based assays, which can be used in the field of microbiology. The clinical evaluation investigations of NGS technology will be conducted on an adequate number of clinical blood samples and rectal swabs. The analyzes will be compared with the standard microbiology methods used in the DITM diagnostic routine.

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Detailed Description

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Conditions

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Resistance Bacterial

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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NGS analysis

Residual anonymized samples stored at -80°C at the Tropica Biobank of the DITM and for which diagnostic analysis for germ infection has previously been carried out at the DITM by blood culture and MDR surveillance in routine diagnostic rectal swab will be used. DNA extraction will be carried out on these residual samples (with subsequent quality and quantification analysis of the nucleic acid) for subsequent NGS analyses.

Group Type OTHER

NGS Analysis

Intervention Type DIAGNOSTIC_TEST

An analytical pipeline with NGS technology developed in the GENRES study will be used for the identification of infecting microorganisms and the drug resistance they carry. For this purpose, a sequencing method will be identified and adopted that can obtain gene sequences of approximately 75 bp in length and on the Illumina MiSeq platform. Furthermore, IT software and bioinformatics analyzes with specific quality control parameters (pre- and post-alignment of reads) will be identified and adopted in order to develop an IVD system that includes a complete package of sequencing kits and software.

Interventions

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NGS Analysis

An analytical pipeline with NGS technology developed in the GENRES study will be used for the identification of infecting microorganisms and the drug resistance they carry. For this purpose, a sequencing method will be identified and adopted that can obtain gene sequences of approximately 75 bp in length and on the Illumina MiSeq platform. Furthermore, IT software and bioinformatics analyzes with specific quality control parameters (pre- and post-alignment of reads) will be identified and adopted in order to develop an IVD system that includes a complete package of sequencing kits and software.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Samples of patients for whom blood culture and Multi Drug Resistant (MDR) surveillance tests were carried out in rectal swabs at the IRCCS Sacro Cuore Don Calabria Hospital
* Samples for which the Information and consent to the conservation of biological samples for research purposes has been signed at the Tropica Biobank or
* Samples for which, after all reasonable efforts, it was not possible to obtain the signature of the Information and consent to the conservation of biological samples for research purposes at the Tropica Biobank (e.g. patients in intensive care, immobilized patients unable to sign or with serious alterations of consciousness).