Opportunities for Antibiotic Optimisation and Outcomes Improvement in Patients With Negative Blood Culture (NO-BACT)

  • participants needed
  • sponsor
    Fundación Pública Andaluza para la gestión de la Investigación en Sevilla
Updated on 29 June 2022


Patients with negative blood cultures represent 85-90 % from all patients with a blood culture taken during hospital admissions. This population usually includes an heterogeneous group of patients that are admitted because of an infectious diseases or febrile syndrome in which performing a blood culture is required. There is scarce evidence about the clinical characteristics and the antibiotic treatment given to these patients. This project will be developped in two phases with an specific target in each one:

  • Phase I (a cohort study of patient with blood cultured taken): the investigators aim to analyse the clinical and therapeutics characteristics, outcomes and antimicrobial stewardship oppotunities in a population of patients with negative blood culture. The investigators aim to compare the outcomes and antimicrobial stewardship opportunities with those in patients with positive blood culture.
  • Phase II: The investigators will develop a cluster randomised control trial to evaluate the implementation of a targeted antimicrobial stewardship intervention in patients with negative blood culture (based on 3rd and 5th day audits). The effect of the intervention on the quality of antimicrobial use (duration and de-escalation), long of stay and mortality will be analysed.

Condition Antibiotic Resistant Infection
Treatment Control, PROA for optimization
Clinical Study IdentifierNCT03535324
SponsorFundación Pública Andaluza para la gestión de la Investigación en Sevilla
Last Modified on29 June 2022

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