Evidence map›Paper›PMID 25052191›Full record

ArticleJournal of neurovirology2015

JC virus urinary excretion and seroprevalence in natalizumab-treated multiple sclerosis patients.

Serena Delbue, Francesca Elia, Camilla Carloni, Valentina Pecchenini, Diego Franciotta, Matteo Gastaldi, Elena Colombo, Lucia Signorini, Silvia Carluccio, Anna Bellizzi and 2 more

Abstract read
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In one paragraph

Article in Journal of neurovirology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 2 pooled it
2.4field-weighted citation impact, top 11% 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

16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 30 citations in OpenAlex.

  1. Pooled it
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  8. Biology of Polyomavirus miRNA.Frontiers in 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

12 authors at 2 institutions in 1 country.

Serena DelbueDepartment of Biomedical Surgical and Dental Sciences, University of Milano, Via Pascal, 36, Milan, 20133, Italy.
Francesca EliaLaboratory of Translational Research Fondazione Ettore Sansavini, Lugo, Italy.
Camilla CarloniDepartment of Biomedical Surgical and Dental Sciences, University of Milano, Via Pascal, 36, Milan, 20133, Italy.
Valentina PeccheniniDepartment of Biomedical Surgical and Dental Sciences, University of Milano, Via Pascal, 36, Milan, 20133, Italy.
Diego FranciottaDepartment of General Neurology, National Neurological Institute C. Mondino, Pavia, Italy.
Matteo GastaldiDepartment of General Neurology, National Neurological Institute C. Mondino, Pavia, Italy.
Elena ColomboDepartment of General Neurology, National Neurological Institute C. Mondino, Pavia, Italy.
Lucia SignoriniDepartment of Biomedical Surgical and Dental Sciences, University of Milano, Via Pascal, 36, Milan, 20133, Italy.
Silvia CarluccioDepartment of Biomedical Surgical and Dental Sciences, University of Milano, Via Pascal, 36, Milan, 20133, Italy.
Anna BellizziDepartment of Public Health and Infectious Diseases, Sapienza University, Rome, Italy.
Roberto BergamaschiDepartment of General Neurology, National Neurological Institute C. Mondino, Pavia, Italy.
Pasquale FerranteDepartment of Biomedical Surgical and Dental Sciences, University of Milano, Via Pascal, 36, Milan, 20133, Italy. pasquale.ferrante@unimi.it.
University of Milan · ITFondazione Istituto Neurologico Nazionale Casimiro Mondino · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The risk of developing progressive multifocal leukoencephalopathy (PML), as a consequence of infection/reactivation with JC virus (JCV), is consistent in natalizumab-treated multiple sclerosis (MS) patients, with 430 cases of PML reported so far. The risk of PML is higher in JCV seropositive patients, and it is recommended that only MS patients without JCV antibodies should be enrolled in the treatment postulating that they do not have JCV infection.We have studied forty-two natalizumab-treated MS patients, and urine and blood were collected monthly for up to 60 months. JCV and BK virus (BKV) DNA presence was verified using quantitative real-time PCR assays, and serum anti-JCV antibodies were measured with the Stratify and/or Stratify DxSelect tests.JCV and BKV DNA were not found in the blood samples, whereas they were found at least once in the urine of 21 of 42 (50 %) and of 25/42 (59.5 %) patients, respectively. JCV DNA urinary shedding increased up to month 24 of natalizumab treatment (45.2 %), and the effect of time was significant for JCV (p = 0.04), but not for BKV (p = 0.39). JCV viruria and seropositivity did not completely correlate, since three patients shedding JCV DNA in the urine were seronegative according to the serological tests.The results indicated that natalizumab therapy may increase the rate of JCV urinary shedding. Additionally, we confirmed that the identification of JCV carriers cannot solely rely on serological tests, but sensitive methods for viral DNA detection should be adopted to more precisely identify the truly JCV uninfected cases.

Indexed as

AdultAntibodies, ViralDNA, ViralEnzyme-Linked Immunosorbent AssayFemaleHumansImmunologic FactorsJC VirusMaleMiddle AgedMultiple Sclerosis, Relapsing-RemittingNatalizumabPolyomavirus InfectionsReal-Time Polymerase Chain ReactionSeroepidemiologic StudiesVirus SheddingAntibodies, ViralDNA, ViralImmunologic FactorsNatalizumabJC virusMultiple sclerosisNatalizumabSeroprevalenceUrinary excretion

Identifiers

PMID25052191
OpenAlexW1969131162

What OpenQuestion holds

Textmetadata
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.