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Table 5 Microbiological Cure or Eradication in Secondary Bacteremia Patients Receiving C/T

From: Ceftolozane/tazobactam for the treatment of bacteremia: a systematic literature review (SLR)

Author, year

Study design

Source

Pathogen type

Antibiotic resistance

Outcome definition

Time point

% (n/N)

Reporting cure or eradication

Single-arm trial

 Arakawa et al., 2019 [32]

Single-arm trial

Mixed infections: uncomplicated pyelonephritis and cUTI

–

–

Negative blood culture

14 days

95.7% (22/23)

 Arakawa et al., 2019 [32]

Single-arm trial

Mixed infections: uncomplicated pyelonephritis and cUTI

–

–

Negative blood culture and a urine culture shows all uropathogens (> = 10^5 CFU/ml) found at baseline were decreased to < 10^4 CFU/ml

14 days

78.3% (18/23)

Retrospective cohort studies

 Caston et al., 2017 [14]

Retrospective cohort

Overall mixed infection and bacteremia

Mixed infections: abdominal (N = 1), respiratory (N = 3) and venous central catheter (N = 1)

Pseudomonas: 100% (not further specified)

MDR infection: 100%

–

30 days (after therapy with C/T)

80.0% (4/5)

 Gallagher et al., 2018 [17]

Retrospective cohort

Mixed, bone/ joint, intra-abdominal, pneumonia, wound, and UTI

Pseudomonas: 100% (not further specified)

MDR infection: 100%

Defined as a negative culture at the end of therapy

–

68.0% (13/19)

 King et al., 2018 [11]

Retrospective cohort

Overall

Mixed infections: pneumonia (N = 8), UTI (N = 7), intra-abdominal (N = 4), wound (N = 1)

Pseudomonas: 100% (not further specified)

MDR infection: 100%

Microbiological success required a negative culture at the end of therapy

–

72.2% (13/18)a

  1. MDR Multi drug resistant, UTI Urinary tract infections
  2. aFor 2 patients, the source of bacteremia was unclear between two sources. Each patient had a possible pneumonia source plus either a wound or UTI