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Impact of selective reporting of antibiotic susceptibility test results in urinary tract infections in the outpatient setting: a protocol for a pragmatic, prospective quasi-experimental trial.
BMJ Open. 2019 02 22;8(11):e025810
Authors: Binda F, Fougnot S, De Monchy P, Fagot-Campagna A, Pulcini C, Thilly N, ANTIBIO-CIBLÉ Scientific Committee
INTRODUCTION: Antibiotic resistance is a serious and increasing worldwide threat to global public health. One of antibiotic stewardship programmes’ objectives are to reduce inappropriate broad-spectrum antibiotics’ prescription. Selective reporting of antibiotic susceptibility test (AST) results, which consists of reporting to prescribers only few (n=5-6) antibiotics, preferring first-line and narrow-spectrum agents, is one possible strategy advised in recommendations. However, selective reporting of AST has never been evaluated using an experimental design.
METHODS AND ANALYSIS: This study is a pragmatic, prospective, multicentre, controlled (selective reporting vs usual complete reporting of AST), before-after (year 2019 vs 2017) study. Selective reporting of AST is scheduled to be implemented from September 2018 in the ATOUTBIO group of 21 laboratories for all Escherichia coli identified in urine cultures in adult outpatients, and to be compared with the usual complete AST performed in the EVOLAB group of 20 laboratories. The main objective is to assess the impact of selective reporting of AST for E. coli-positive urine cultures in the outpatient setting on the prescription of broad-spectrum antibiotics frequently used for urinary tract infections (amoxicillin-clavulanate, third-generation cephalosporins and fluoroquinolones). The primary end point is the after (2019)-before (2017) difference in prescription rates for the previously mentioned antibiotics/classes that will be compared between the two laboratory groups, using linear regression models. Secondary objectives are to evaluate the feasibility of selective reporting of AST implementation by French laboratories and their acceptability by organising focus groups and individual semi-structured interviews with general practitioners and laboratory professionals.
ETHICS AND DISSEMINATION: This protocol was approved by French national ethics committees (Comité d’expertise pour les recherches, les études et les évaluations dans le domaine de la santé (TPS 29064) and Commission Nationale de l’Informatique et des Libertés (Décision DR-2018-141)). Findings of this study will be widely disseminated through conference presentations, reports, factsheets and academic publications and generalisation will be further discussed.
TRIAL REGISTRATION NUMBER: NTC03612297.
PMID: 30798294 [PubMed – indexed for MEDLINE]