Evidence map›Paper›PMID 24422950›Full record

ArticleBMC infectious diseases2014

Prevention of Clostridium difficile spore formation by sub-inhibitory concentrations of tigecycline and piperacillin/tazobactam.

Julian R Garneau, Louis Valiquette, Louis-Charles Fortier

Open access · goldAbstract read
In one paragraph

Article in BMC infectious diseases, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
3.6field-weighted citation impact, top 7% of its field
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

25 citing papers in PubMed, 54 citations in OpenAlex.

  1. Trial
  2. Management of severe and fulminantJournal of medical microbiology · 2025
    Review
  3. Article
  4. Review
  5. Antibacterial Effect of Lemongrass (Molecules (Basel, Switzerland) · 2022
    Article
  6. Article
  7. Opportunities for Nanomedicine inAntibiotics (Basel, Switzerland) · 2021
    Review
  8. Review
  9. Article
  10. Article
  11. Toxin A and B genes expression ofIranian journal of microbiology · 2020
    Article
  12. Transcriptome Analysis of theFrontiers in microbiology · 2020
    Article
  13. Article
  14. Phenotypic Characterization of Non-toxigenicFrontiers in microbiology · 2019
    Article
  15. Single-cell electro-phenotyping for rapid assessment ofSensors and actuators. B, Chemical · 2018
    Article
  16. Article
  17. Effect ofFrontiers in microbiology · 2018
    Article
  18. Novel Antimicrobials for the Treatment ofFrontiers in medicine · 2018
    Review
  19. The Effect of a Piperacillin/Tazobactam Shortage on Antimicrobial Prescribing and Clostridium difficile Risk in 88 US Medical Centers.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2017
    Article
  20. 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

3 authors at 1 institution in 1 country.

Julian R Garneau
Louis Valiquette
Louis-Charles FortierDépartement de microbiologie et d'infectiologie, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, 3201 rue Jean Mignault, Sherbrooke, Québec J1E 4K8, Canada. Louis-Charles.Fortier@USherbrooke.ca.
Université de Sherbrooke · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSporulation of Clostridium difficile during infection and persistence of spores within the gut could partly explain treatment failures and recurrence. However, the influence of antibiotics on sporulation is unclear. The objective of our study was to evaluate the impact of ciprofloxacin, metronidazole, piperacillin/tazobactam, tigecycline, and vancomycin on C. difficile sporulation in vitro.

methodsThe reference strains ATCC 9689, 630, VPI 10463, and seven other clinical isolates of C. difficile were used, including three epidemic NAP1/027 isolates. Minimum inhibitory concentrations (MIC) were determined and sporulation was assessed after growth in the absence or presence of ≤0.5x MIC concentrations of each antibiotic.

resultsAll strains were sensitive to the antibiotics tested, except ribotype 027 isolates that were resistant to ciprofloxacin (MIC = 128 mg/L). Metronidazole and vancomycin generally did not significantly affect spore production in C. difficile, although vancomycin slightly affected sporulation of a few isolates. Ciprofloxacin inhibited sporulation of ribotype 027 isolates mainly. Interestingly, sub-MIC concentrations of piperacillin/tazobactam reduced spore formation in several isolates. However, the most striking observation was made with tigecycline, with an important reduction of spore formation in most isolates.

conclusionsThe capacity of C. difficile to sporulate can be significantly affected by certain antibiotics. The reduced sporulation observed with tigecycline and piperacillin/tazobactam might explain why these antibiotics are generally associated with lower risk of C. difficile infections. In addition, the inhibition of sporulation might partly explain the apparent efficacy of tigecycline for treatment of patients with recurrent infection.

Indexed as

Anti-Bacterial AgentsCiprofloxacinClostridioides difficileHumansMetronidazoleMicrobial Sensitivity TestsMinocyclinePenicillanic AcidPiperacillinPiperacillin, Tazobactam Drug CombinationRibotypingSpores, BacterialTazobactamTigecyclineVancomycinAnti-Bacterial AgentsCiprofloxacinMetronidazoleMinocyclinePenicillanic AcidPiperacillinPiperacillin, Tazobactam Drug CombinationTazobactamTigecyclineVancomycin

Identifiers

PMID24422950
PMCPMC3897887
OpenAlexW2097455435

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.