Evidence map›Paper›PMID 42032539›Full record

SynthesisBMC pulmonary medicine2026

Inhaled tobramycin for chronic pseudomonas aeruginosa infection in non-cystic fibrosis bronchiectasis: an updated systematic review and meta-analysis.

Wei Lu, Qiujie Li, Shaochu Zheng, Yun Jiang, Xiaopu Wu, Xiaojuan Li, Jinliang Kong

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in BMC pulmonary medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Factors governing the response ofFrontiers in cellular and infection microbiology · 2026
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Wei Lu *Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China.
Qiujie Li *The First Affiliated Hospital of Guangxi University of Science and Technology, Guangxi University of Science and Technology, Liuzhou, Guangxi Province, China.
Shaochu ZhengDepartment of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China.
Yun JiangDepartment of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China.
Xiaopu WuDepartment of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China.
Xiaojuan LiDepartment of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China.
Jinliang KongDepartment of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, China. 202302701129@stdmail.gxust.edu.cn.

Funding

First-class Discipline Innovation-driven Talent Program of Guangxi Medical University, and the Health and Family Planning Commission of Guangxi Zhuang Autonomous Region S2025124Joint Project on Regional High-Incidence Diseases Research of Guangxi Natural Science Foundation 2023GXNSFBA026146National Natural Science Foundation of China 82560016, 82104499, and 82160783the Guangxi Natural Science Foundation 2025JJH140422the Health and Family Planning Commission of Guangxi Zhuang Autonomous Region, Self-funded Projects Z-A20240492 and Z-A20240515the Key Research Program of Guangxi Science and Technology Department AB21196010
6 · The paper itself

Abstract

objectiveTo evaluate the efficacy and safety of inhaled tobramycin for the treatment of chronic Pseudomonas aeruginosa infection in adult patients with non-cystic fibrosis (NCF) bronchiectasis.

methodA systematic review and meta-analysis of randomized controlled trials (RCTs) was conducted. PubMed, EMBASE, Web of Science, and the Cochrane Library were searched up to January 18, 2026. The search strategy incorporated Medical Subject Headings (MeSH) terms and free-text synonyms combined with Boolean operators. The certainty of evidence was assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) framework. Parallel-group RCTs comparing inhaled tobramycin with placebo or no treatment in adults with NCF bronchiectasis and chronic P. aeruginosa infection were included.

resultsTen RCTs were included. Inhaled tobramycin was associated with a significantly higher rate of P. aeruginosa eradication (Odds Ratio [OR] 5.04, 95% CI 1.80–14.09) and a greater reduction in sputum bacterial density (Weighted Mean Difference [WMD] -2.87 log₁₀ CFU/g, 95% CI -4.21 to -1.52). Treatment with tobramycin significantly reduced the number of hospital admissions (WMD − 0.45, 95% CI -0.68 to -0.22) and the total days of hospital admission (WMD − 11.73, 95% CI -18.81 to -4.65). No significant improvement in FEV₁% predicted or the overall frequency of exacerbations was found. The incidence of non-fatal adverse events was similar between groups, with a non-significant trend towards increased tobramycin resistance. Sensitivity analyses, including leave-one-out analysis and exclusion of older studies, were performed to explore sources of heterogeneity. The GRADE assessment indicated that the certainty of evidence ranged from very low to moderate across outcomes.

conclusionIn patients with NCF bronchiectasis and chronic P. aeruginosa infection, inhaled tobramycin effectively improves microbiological outcomes and appears to reduce the frequency and duration of hospitalizations, although the latter finding is based on limited data (three studies, n = 90) and should be interpreted with caution. While it does not improve lung function or overall exacerbation rates, its safety profile is acceptable. The overall certainty of evidence, as assessed by the GRADE framework, ranges from very low to moderate, underscoring the need for large-scale, long-term RCTs to confirm these findings.

trial registrationPROSPERO(CRD420261294797).

Indexed as

Anti-Bacterial AgentsBronchiectasisPseudomonas InfectionsTobramycinAdministration, InhalationChronic DiseaseHumansPseudomonas aeruginosaRandomized Controlled Trials as TopicSputumTreatment OutcomeAnti-Bacterial AgentsTobramycinBronchiectasisInhaled antibioticsMeta-analysisPseudomonas aeruginosaSystematic reviewTobramycin

Identifiers

PMID42032539
PMCPMC13244994

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.