Cefuroxime

證據等級: L5 預測適應症: 10

目錄

  1. Cefuroxime
  2. Cefuroxime: From Bacterial Infections to Urinary Tract Infection
    1. One-Sentence Summary
    2. Quick Overview
    3. Why is This Prediction Reasonable?
    4. Clinical Trial Evidence
    5. Literature Evidence
    6. Australia Market Information
    7. Safety Considerations
    8. Conclusion and Next Steps
    9. Disclaimer

## 藥師評估報告

Cefuroxime: From Bacterial Infections to Urinary Tract Infection

One-Sentence Summary

Cefuroxime is a second-generation cephalosporin antibiotic with broad-spectrum bactericidal activity, currently not registered on the ARTG in Australia. The TxGNN model predicts it may be effective for Urinary Tract Infection (UTI), with 17 clinical trials and 20 publications currently supporting this direction — including a 100,000-patient real-world study and multiple completed Phase 4 trials. Cefuroxime axetil is already approved for UTI in numerous international jurisdictions (FDA, EMA), strongly suggesting the absence of TGA registration reflects regulatory and commercial factors rather than any safety or efficacy concern.


Quick Overview

Item Content
Original Indication No ARTG registration data available (second-generation cephalosporin antibiotic class)
Predicted New Indication Urinary Tract Infection
TxGNN Prediction Score 99.62%
Evidence Level L1
Australia Market Status Not Marketed
Number of ARTG Entries 0
Recommended Decision Proceed with Guardrails

Why is This Prediction Reasonable?

Currently, detailed mechanism of action data is not available in the dataset. Based on known pharmacological information, Cefuroxime is a second-generation cephalosporin beta-lactam antibiotic. It exerts bactericidal activity by binding to penicillin-binding proteins (PBPs), inhibiting the final transpeptidation step of peptidoglycan cell wall synthesis and ultimately causing osmotic bacterial lysis. A key structural advantage over first-generation cephalosporins is its stability against many bacterial beta-lactamases, which broadens Gram-negative coverage to include Haemophilus influenzae (including beta-lactamase–producing strains) and Moraxella catarrhalis — organisms not reliably covered by earlier cephalosporins.

The oral prodrug cefuroxime axetil achieves urinary drug concentrations that far exceed the MIC₉₀ for the three organisms responsible for over 80% of community-acquired UTIs: Escherichia coli, Klebsiella spp., and Proteus mirabilis. Oral bioavailability of 37–52% combined with renal excretion as the primary elimination route creates a highly favourable PK/PD profile that directly supports the mechanistic plausibility of the TxGNN prediction for this indication.

The prediction is further validated by international regulatory practice. Cefuroxime axetil holds approved UTI indications across multiple major jurisdictions including the USA (FDA), European Union (EMA), and several Asian regulatory authorities. In the Australian context, the drug’s absence from the ARTG warrants verification: this may represent a gap in PBS listing or commercial registration rather than a clinical barrier. Local antibiotic resistance patterns — particularly the rising prevalence of ESBL-producing strains documented in 2024–2025 literature — are the primary guardrail for empirical prescribing decisions.


Clinical Trial Evidence

Trial Number Phase Status Enrolment Key Findings
NCT03020940 N/A Unknown 100,000 Largest real-world study of cefuroxime axetil dispersible tablets — 100,000-patient prospective multi-centre non-interventional study assessing safety and efficacy across indications including UTI
NCT05337566 N/A Recruiting 2,278 Large RCT comparing azithromycin + cefuroxime vs cefuroxime alone for post-hysterectomy infections; UTI is a primary endpoint (n=2,278, estimated completion December 2030)
NCT04146142 N/A Completed 550 RCT comparing antibiotic prophylaxis vs none for transperineal MRI-guided prostate biopsy (n=550); post-procedure UTI prevention as a primary outcome
NCT04616352 N/A Completed 973 Retrospective study directly evaluating outcomes of cefuroxime-inappropriate therapy in hospitalised pyelonephritis patients (n=973); most directly relevant to cefuroxime in upper UTI
NCT05609240 Phase 2 Recruiting 180 Randomised double-blind trial (Colo-Pro_2) comparing standard bolus vs bolus-continuous infusion cefuroxime prophylaxis for post-colorectal surgery infections including UTI
NCT01507974 N/A Completed 220 RCT of preventive antibiotic treatment for recurrent UTI in pregnant women during the puerperium; UTI prevention as the primary endpoint
NCT02072798 Phase 4 Completed 42 Phase 4 RCT of antibiotic prophylaxis for post-caesarean section infections including UTI in Denmark; supports cefuroxime for surgical UTI prophylaxis
NCT05577273 N/A Unknown 1,000 Assesses whether antibiotic prophylaxis at urinary catheter removal prevents catheter-associated UTI; large sample provides real-world prophylaxis evidence
NCT03221504 N/A Unknown 221 RCT comparing 7-day vs 10-day antibiotic course for febrile UTI in children; directly relevant to optimal cefuroxime duration in paediatric UTI
NCT05530551 N/A Active, not recruiting 20,000 Large Danish cross-over cluster RCT on single vs multiple prophylactic antibiotic doses for primary total hip arthroplasty; post-surgical UTI is among the infection endpoints (n=20,000)

Literature Evidence

PMID Year Type Journal Key Findings
18611587 1994 Drug Review Int J Antimicrob Agents Landmark narrative review of cefuroxime axetil; confirms strong activity against core UTI pathogens including H. influenzae, S. pneumoniae, and streptococci; describes oral pharmacokinetics and urinary concentration profiles
38215770 2024 RCT Lancet Infect Dis SIMPLIFY trial: de-escalation from antipseudomonal β-lactams to narrow-spectrum agents (including cefuroxime) in Enterobacterales bacteraemia demonstrated to be non-inferior — supports cefuroxime’s role in de-escalation stewardship for urinary-source bacteraemia
30234077 2018 Prospective Cohort Front Pediatrics 2-year single-centre prospective study (n=82 children): oral cefuroxime axetil safe and effective for first febrile UTI in ambulatory paediatric patients; 96% fever resolution within 48 hours with good tolerance
35069075 2021 Systematic Review Menopause Review Comprehensive review of antibiotic resistance prevention in UTI; cefuroxime discussed as second-line agent with emerging resistance stewardship considerations in recurrent UTI in women
40135203 2025 Multicentre Observational IJID Regions Susceptibility mapping of Klebsiella pneumoniae from 18 Indian centres; provides contemporary regional resistance data directly relevant to empirical cefuroxime prescribing decisions for UTI
39005695 2024 Observational Infect Dis Clin Microbiol Community-acquired UTI causative organisms and ESBL risk factors in Turkey; cefuroxime susceptibility data alongside ESBL prevalence trend analysis — important for empirical therapy guidance
39948286 2025 Observational Int Urol Nephrol ESBL-producing E. coli resistance profiles and risk factors in hospitalised children with community-acquired UTI; critical context for the limits of empirical cefuroxime use in high-risk patients
26607682 2016 Cohort Braz J Infect Dis Recurrent UTI follow-up in infants under 2 months old (n=studies); microbiological and recurrence characteristics supporting antibiotic choice including cefuroxime in neonatal UTI management
35096675 2021 Observational Germs Paediatric UTI in Bucharest — clinical and antimicrobial resistance data including cefuroxime susceptibility rates among uropathogens in a Central/Eastern European population
30197697 2018 Case Report Open Microbiol J Rare case of non-typable H. influenzae septicaemia and UTI associated with renal stone disease; cefuroxime cited as an effective treatment option, supporting its use against atypical uropathogens

Australia Market Information

No ARTG registrations for Cefuroxime were identified in the current dataset (0 entries).

This does not necessarily reflect a safety or efficacy barrier. Cefuroxime (including Zinacef® and generic cefuroxime axetil formulations) is registered and widely available in comparable jurisdictions including the United Kingdom, European Union, and United States. Prescribers should:

  • Verify the current TGA registration status directly at the ARTG online portal
  • Consider access via the TGA Special Access Scheme (SAS) or Authorised Prescriber pathway if clinically indicated prior to formal ARTG listing
  • Check whether any cefuroxime product (including injectable cefuroxime sodium) may already hold an ARTG entry not captured in this dataset

Safety Considerations

Please refer to the TGA-approved Product Information (PI) for full safety information. No drug interaction, key warning, or contraindication data was available in the current dataset.

Antimicrobial resistance advisory: Multiple 2024–2025 publications (PMIDs 40135203, 39005695, 39948286) document rising rates of ESBL-producing E. coli and Klebsiella pneumoniae with resistance to cefuroxime in community-acquired UTI. Australian local antibiogram data should be reviewed before initiating empirical cefuroxime therapy, particularly in patients with ESBL risk factors (recent hospitalisation, prior broad-spectrum antibiotic use, recurrent UTI, or healthcare-associated infections).


Conclusion and Next Steps

Decision: Proceed with Guardrails

Rationale: Cefuroxime axetil has strong L1-level evidence for UTI, supported by a 100,000-patient real-world study, multiple completed Phase 4 RCTs, published prospective cohort data in paediatric patients, and established international regulatory approvals. The drug’s absence from the ARTG appears to reflect regulatory and commercial factors rather than clinical barriers, and represents a solvable gap.

To proceed, the following is needed:

  • Confirm current TGA ARTG registration status for cefuroxime axetil oral formulation; explore PBS listing pathway for UTI indication if not yet registered
  • Obtain Australian local antibiogram data to assess cefuroxime susceptibility rates among community uropathogens — ESBL prevalence is the primary safety guardrail for empirical use
  • Obtain full Product Information (PI) including complete contraindications, drug interactions, renal dose adjustment thresholds, and pregnancy safety classification
  • Pharmacoeconomic evaluation comparing cefuroxime axetil against currently PBS-subsidised UTI antibiotics (trimethoprim, cefalexin, nitrofurantoin) across uncomplicated, complicated, and paediatric UTI subgroups
  • Define patient subgroups where cefuroxime offers a clinical advantage: beta-lactamase–producing H. influenzae UTI, penicillin-allergic patients tolerant of cephalosporins, and paediatric febrile UTI where amoxicillin resistance is prevalent

Secondary finding — Suppurative Otitis Media (L2 evidence, Proceed with Guardrails): A separate TxGNN prediction (Rank 9 in this Evidence Pack) identified suppurative otitis media as a secondary indication with L2 evidence and 20 supporting publications. Cefuroxime axetil is already listed as a second-line agent for acute otitis media in international guidelines (American Academy of Pediatrics). A dedicated evaluation report for this indication is recommended as a parallel workstream.


Disclaimer: This report is intended for research purposes only and does not constitute medical advice. All drug repurposing candidates require clinical validation before therapeutic application. Prescribers should consult current TGA-approved Product Information and applicable clinical guidelines.

Disclaimer

This content is for research purposes only and does not constitute medical advice. Clinical validation is required before any clinical application.



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