nSeP: immune and metabolic biomarkers for early detection of neonatal sepsis-protocol for a prospective multicohort study.
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Chakraborty Mallinath, Rodrigues Patrícia R S, Watkins W John, Hayward Angela, Sharma Alok, Hayward Rachel, Smit Elisa, Jones Rebekka, Goel Nitin, Asokkumar Amar, Calvert Jennifer, Odd David, Morris Ian, Doherty Cora, Elliott Sian, Strang Angela, Andrews Robert, Zaher Summia, Sharma Simran, Bell Sarah, Oruganti Siva, Smith Claire, Orme Judith, Edkins Sarah, Craigon Marie, White Daniel, Dantoft Widad, Davies Luke C, Moet Linda, McLaren James E, Clarkstone Samantha, Watson Gareth L, Hood Kerenza, Kotecha Sailesh, Morgan B Paul, O'Donnell Valerie B, Ghazal Peter
Аннотация
METHODS AND ANALYSIS: This multicentre observational study will prospectively recruit a total of 1445 newborn infants (all gestations)-1084 with suspected early-or late-onset sepsis, and 361 controls-over 4 years. A small volume of whole blood will be collected from infants with suspected sepsis at the time of presentation. This sample will be used for integrated transcriptomic, lipidomic and targeted proteomics profiling. In addition, a subset of samples will be subjected to cellular phenotype and proteomic analyses. A second sample from the same patient will be collected at 24 hours, with an opportunistic sampling for stool culture. For control infants, only one set of blood and stool sample will be collected to coincide with clinical blood sampling. Along with detailed clinical information, blood and stool samples will be analysed and the information will be used to identify and validate the efficacy of immune-metabolic networks in the diagnosis of bacterial neonatal sepsis and to identify new host biomarkers for viral sepsis.
ETHICS AND DISSEMINATION: The study has received research ethics committee approval from the Wales Research Ethics Committee 2 (reference 19/WA/0008) and operational approval from Health and Care Research Wales. Submission of study results for publication will involve making available all anonymised primary and processed data on public repository sites.
TRIAL REGISTRATION NUMBER: NCT03777670.