Evidence map›Paper›PMID 32127550›Full record

ArticleScientific reports2020

Intermittent Lactobacilli-containing Vaginal Probiotic or Metronidazole Use to Prevent Bacterial Vaginosis Recurrence: A Pilot Study Incorporating Microscopy and Sequencing.

Janneke H H M van de Wijgert, Marijn C Verwijs, Stephen K Agaba, Christina Bronowski, Lambert Mwambarangwe, Mireille Uwineza, Elke Lievens, Adrien Nivoliez, Jacques Ravel, Alistair C Darby

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 4 pooled it
5.7field-weighted citation impact, top 3% 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

38 citing papers in PubMed, 4 syntheses or guidelines pooled it, 67 citations in OpenAlex.

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  9. ProbioticFrontiers in cellular and infection microbiology · 2021
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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

10 authors at 4 institutions in 4 countries.

Janneke H H M van de Wijgert *Institute of Infection and Global Health, University of Liverpool, Liverpool, UK. j.vandewijgert@liverpool.ac.uk.ORCID http://orcid.org/0000-0003-2728-4560
Marijn C Verwijs *Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.
Stephen K AgabaRinda Ubuzima, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda.
Christina BronowskiInstitute of Infection and Global Health, University of Liverpool, Liverpool, UK.
Lambert MwambarangweRinda Ubuzima, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda.
Mireille UwinezaRinda Ubuzima, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda.
Elke LievensWinclove Probiotics, Amsterdam, The Netherlands.
Adrien NivoliezBiose, Arpajon-sur-Cère, France.
Jacques RavelInstitute of Genome Sciences, University of Maryland, Baltimore, USA.ORCID http://orcid.org/0000-0002-0851-2233
Alistair C DarbyCentre for Genomic Research, Institute of Integrative Biology, University of Liverpool, Liverpool, UK.ORCID http://orcid.org/0000-0002-3786-6209
University of Liverpool · GBUniversity of Rwanda · RWUniversity of Maryland, Baltimore · USWinclove Probiotics (Netherlands) · NL

Funding

Medical Research Council MR/M017443/1Wellcome Trust
6 · The paper itself

Abstract

Bacterial vaginosis (BV) is associated with HIV acquisition and adverse pregnancy outcomes. Recurrence after metronidazole treatment is high. HIV-negative, non-pregnant Rwandan BV patients were randomized to four groups (n = 17/group) after seven-day oral metronidazole treatment: behavioral counseling only (control), or counseling plus intermittent use of oral metronidazole, Ecologic Femi+ vaginal capsule (containing multiple Lactobacillus and one Bifidobacterium species), or Gynophilus LP vaginal tablet (L. rhamnosus 35) for two months. Vaginal microbiota assessments at all visits included Gram stain Nugent scoring and 16S rRNA gene qPCR and HiSeq sequencing. All interventions were safe. BV (Nugent 7-10) incidence was 10.18 per person-year at risk in the control group, and lower in the metronidazole (1.41/person-year; p = 0.004), Ecologic Femi+ (3.58/person-year; p = 0.043), and Gynophilus LP groups (5.36/person-year; p = 0.220). In mixed effects models adjusted for hormonal contraception/pregnancy, sexual risk-taking, and age, metronidazole and Ecologic Femi+ users, each compared to controls, had higher Lactobacillus and lower BV-anaerobes estimated concentrations and/or relative abundances, and were less likely to have a dysbiotic vaginal microbiota type by sequencing. Inter-individual variability was high and effects disappeared soon after intervention cessation. Lactobacilli-based vaginal probiotics warrant further evaluation because, in contrast to antibiotics, they are not expected to negatively affect gut microbiota or cause antimicrobial resistance.

Indexed as

MicroscopySequence AnalysisAdministration, IntravaginalAdolescentAdultAnti-Bacterial AgentsFemaleHumansLactobacillusMetronidazoleMiddle AgedPilot ProjectsProbioticsSecondary PreventionVaginosis, BacterialYoung AdultAnti-Bacterial AgentsMetronidazole

Identifiers

PMID32127550
PMCPMC7054572
OpenAlexW3009957102

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.