SynthesisIndian journal of pediatrics2017
Safety and Immunogenicity of Pneumococcal Conjugate Vaccine in Preterm Infants: A Meta-Analysis.
Synthesis in Indian journal of pediatrics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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.
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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
3 citing papers in PubMed, 13 citations in OpenAlex.
- Standardized vaccination practices for preterm infants: Egyptian experts' consensus.BMC infectious diseases · 2025Article
- Review
- An update on vaccination in preterm infants.Jornal de pediatriaReview
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo assess the safety and immunogenicity of pneumococcal conjugate vaccine (PCVs) in preterm infants.
methodsIn accordance with the PRISM (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement (as of May 2015), a meta-analysis was conducted to evaluate the safety and immunogenicity of PCVs in preterm infants.
resultsTen thousand nine hundred sixty full-term infants and 2131 preterm infants with 344 preterm infants of <2500 g birth weight [low-birth weight (LBW)] were included, and all the subjects were immunized with either PCV-7, PCV-10 or PCV-13 in this random-effects meta-analysis. For safety, the range of risk ratio (RRs) for local reaction was from 0.88 to 1.02 and from 0.94 to 1.24 for systematic reaction respectively. For immunogenicity, either post-primary or booster vaccination with PCV-7, PCV-10 or PCV-13, genomic mean concentration (GMC) of serotypes 4, 6B, 9 V, 19F and 23F was always less in preterm infants than in full-term infants, in which huge comparison of GMC was found in serotype 19F(SMD = -0.393, 95%CI:-0.612 ~ 0.175). After primary vaccination, the combined risk ratio (RRs) of immune response against seven common serotypes and additional serotype 1 was approximated to 1.00 with narrow 95 % confidence interval (CI) between preterm infants and full-term infants, and at least 91 % sero-conversion of two additional serotypes, 5 and 7F in two cohorts was observed. Furthermore, between very-low-birth-weight (VLBW) infants of <1500 g and 1501 ~ 2500 g, overall RRs of immune response to PCV-7 administration was 0.98 (95%CI: 0.96 ~ 1.00).
conclusionsPreterm infants have a great tolerance to PCV-7, PCV-10 or PCV-13 vaccination. PCV-7 could elicit optimal immune response post vaccination in preterm infants, even in VLBW infants.
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