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Abstract Background These recommendations provide guidance on the optimal timing for transitioning from intravenous to oral antibiotics in patients with complicated urinary tract infection (cUTI), especially in presence of associated Gram-negative bacteremia. Methods The panel's recommendations are based upon evidence derived from systematic literature reviews which focused on comparative benefits and harms of transitioning to oral therapy versus continuing parenteral therapy of the total duration of treatment, including publications since 2000. These recommendations adhere to a standardized methodology for rating the certainty of evidence and strength of recommendation according to the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) approach. Results The guidelines panel suggests transitioning to oral antibiotics in patients with cUTI who are clinically improving, able to take medication, and for whom an effective oral option is available, rather than continuing parenteral therapy for the remaining treatment duration, regardless of the presence of associated Gram-negative bacteremia. An effective oral option needs to be active against the causative pathogen and achieve therapeutic levels in the urine and relevant tissue. Conclusions Parenteral and oral antibiotics used to complete treatment courses for cUTI provide similar efficacy and adverse events, especially in the context of shorter duration of therapy. This recommendation places a high value on reducing avoidable intravenous catheter-related adverse events, costs, and resources, as well as taking into account practical aspects of antibiotic administration.
Trautner et al. (Thu,) studied this question.