Oral and intravenous fosfomycin in complicated urinary tract infections

I López-Montesinos, J P Horcajada1

  • 1Juan Pablo Horcajada, Servicio de Enfermedades Infecciosas, Hospital del Mar, Barcelona, Spain. jhorcajada@psmar.cat.

Insights

Fosfomycin is an effective alternative therapy for multidrug-resistant urinary tract infections (UTIs). Further studies are needed to confirm its potential in complicated UTIs amid rising antibiotic resistance.

Area of Science:

  • Infectious Diseases
  • Pharmacology
  • Urology

Background:

  • Urinary tract infections (UTIs) are a common health issue, straining healthcare resources.
  • Increasing antibiotic resistance, including quinolone, β-lactamase, and carbapenemase resistance, complicates treatment.
  • Multidrug-resistant uropathogens pose a significant global health challenge.

Purpose of the Study:

  • To evaluate the role and efficacy of fosfomycin as an alternative therapy for UTIs.
  • To highlight fosfomycin's activity against multidrug-resistant (MDR) Gram-positive and Gram-negative bacteria.
  • To review current clinical experience with fosfomycin in complicated UTIs and special populations.

Main Methods:

  • Review of existing clinical data and studies on fosfomycin use in UTIs.
  • Analysis of fosfomycin's antimicrobial spectrum against resistant uropathogens.
  • Examination of clinical experience in patients with MDR bacteria, recurrent UTIs, and kidney transplants.

Main Results:

  • Fosfomycin demonstrates broad-spectrum activity against MDR microorganisms.
  • Clinical experience is growing for fosfomycin in complicated UTIs, including those caused by resistant bacteria.
  • Fosfomycin is emerging as a viable option for recurrent UTIs and in special patient groups.

Conclusions:

  • Fosfomycin is a promising alternative therapy for complicated urinary tract infections (cUTIs) in the era of multidrug resistance.
  • Increased clinical experience and ongoing studies are supporting fosfomycin's role in managing resistant UTIs.
  • Further research is required to fully establish fosfomycin's efficacy and optimal use in cUTIs.

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