ArticleJournal of clinical microbiology2011
Incidence of moxifloxacin resistance in clinical Mycobacterium tuberculosis isolates in Houston, Texas.
Article in Journal of clinical microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.
- Pooled it
- Review
- Metabolic Rewiring ofMetabolites · 2024Review
- Molecular Epidemiology and Polymorphism Analysis in Drug-Resistant Genes inInfection and drug resistance · 2022Article
- Specific gyrA gene mutations predict poor treatment outcome in MDR-TB.The Journal of antimicrobial chemotherapy · 2016Article
- Molecular diagnosis of fluoroquinolone resistance in Mycobacterium tuberculosis.Antimicrobial agents and chemotherapy · 2015Article
- Potent rifamycin-sparing regimen cures guinea pig tuberculosis as rapidly as the standard regimen.Antimicrobial agents and chemotherapy · 2013Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
Abstract
Comprehensive data on the prevalence of quinolone resistance in Mycobacterium tuberculosis clinical isolates in the United States are scarce. By use of a systematic population-based approach, M. tuberculosis strains from tuberculosis (TB) cases were collected in Harris County, TX, in 2007 to 2008. The susceptibilities of M. tuberculosis isolates to moxifloxacin and ofloxacin were determined by the agar proportion indirect susceptibility method. Spoligotyping and 12-locus mycobacterial interspersed repetitive unit (MIRU12)-based genotyping of M. tuberculosis isolates were performed, and the gyrA, gyrB, Rv2686c, Rv2687c, and Rv2688c genes in quinolone-resistant and year-of-diagnosis-matched M. tuberculosis isolates were sequenced. Susceptibility testing was performed on 557 M. tuberculosis isolates, of which 10 (1.8%) were resistant to moxifloxacin. There was 100% concordance between ofloxacin and moxifloxacin susceptibilities. A quinolone was prescribed to at least 5 (50%) patients in the period preceding TB diagnosis. Multidrug-resistant TB (MDR-TB) was significantly associated with quinolone resistance (P = 0.01). Mutations in the quinolone resistance-determining region of gyrA were found for 50% of the resistant isolates. No other presumptive quinolone resistance-associated mutations were identified. We conclude that the incidence of moxifloxacin-resistant TB is low in Harris County and is associated with MDR-TB. Previous exposure to quinolones is common among patients with moxifloxacin resistance and warrants more careful evaluation.
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Registered trials
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.