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Mortality and clinical cure rates for pneumonia: a systematic review, meta-analysis, and trial sequential analysis of randomized control trials comparing bactericidal and bacteriostatic antibiotic treatments

Saleem, Naveed; Ryckaert, Francis; Snow, Timothy Arthur Chandos; Satta, Giovanni; Singer, Mervyn; Arulkumaran, Nishkantha; (2022) Mortality and clinical cure rates for pneumonia: a systematic review, meta-analysis, and trial sequential analysis of randomized control trials comparing bactericidal and bacteriostatic antibiotic treatments. Clinical Microbiology and Infection , 28 (7) pp. 936-945. 10.1016/j.cmi.2021.12.021. Green open access

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Abstract

Background: Bactericidal antibiotics are generally assumed to be superior to bacteriostatic antibiotics as first-line treatment for pneumonia. Objectives: We performed a systematic review, meta-analysis, and trial sequential analysis (TSA) of randomized controlled trials (RCTs) of bactericidal versus bacteriostatic antibiotics to ascertain clinical superiority. Clinical cure rate was the primary outcome. Secondary outcomes included all-cause mortality, microbiological eradication, treatment failure, and relapse rates. Data sources: PubMed, Cochrane Library, Embase, and MedRxiv Study eligibility criteria: Randomized control trials. Particiapants: Adult patients with bacterial pneumonia treated with antibiotics in the community or in-hospital. Interventions: Bacteriostatic versus bactericidal antibiotics. Assessment of risk of bias: The Cochrane Collaboration assessing risk of bias 2 tool. Methods of data synthesis: Data on dichotomous outcomes are presented as risk ratio (RR). A random-effects model with the generic Mantel–Haenszel method was used for integrating RRs for generalizability of findings. The I2 method was used to assess the magnitude of variation secondary to heterogeneity. Results: Forty-three RCTs involving 10 752 patients met the eligibility criteria. The clinical cure rate (42 studies, 10 312 patients; RR: 1.02; 95% CI, 0.99–1.05; I2: 37%; TSA-adjusted CI, 0.99–1.05), all-cause mortality (25 studies, 8302 patients; RR: 1.07; 95% CI, 0.81–1.42; I2: 57%), microbiological eradication (24 studies, 2776 patients; RR: 1.00; 95% CI, 0.97–1.03; I2: 0%), treatment failure (31 studies, 7296 patients; RR: 0.96; 95% CI, 0.83–1.11; I2: 42%), and relapse rate (5 studies, 1111 patients; RR: 1.15; 95% CI, 0.50–2.63; I2: 0%) were similar between bactericidal and bacteriostatic antibiotic treatments. Conclusions: Bactericidal agents are not associated with any statistical difference in clinical cure rates, mortality, microbiological eradication, treatment failure, or relapse rates compared with bacteriostatic antibiotics in the treatment of pneumonia.

Type: Article
Title: Mortality and clinical cure rates for pneumonia: a systematic review, meta-analysis, and trial sequential analysis of randomized control trials comparing bactericidal and bacteriostatic antibiotic treatments
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.cmi.2021.12.021
Publisher version: https://doi.org/10.1016/j.cmi.2021.12.021
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Antibiotic, Antimicrobial therapy, Bactericidal, Bacteriostatic, Meta-analysis, Pneumonia
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Infection and Immunity
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Experimental and Translational Medicine
URI: https://discovery.ucl.ac.uk/id/eprint/10162767
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