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Pentavalent rotavirus vaccine in infants with surgical gastrointestinal disease.

ABSTRACT: Pentavalent rotavirus vaccine (RV5) has been shown to be well-tolerated and efficacious in preventing rotavirus gastroenteritis in healthy infants. Safety and immunogenicity of RV5 in infants with surgical gastrointestinal disease have not been studied. The aim of the present study was to evaluate the safety and immunogenicity of RV5 in infants with a history of congenital or acquired intestinal disease requiring resection compared with healthy infants.Infants with intestinal resection were matched by gestational age and chronological age to healthy infants (controls). Dose 1 of RV5 was given at 10 to 12 weeks of chronological age. Doses 2 and 3 were given at intervals of 4 to 10 weeks, with all 3 doses given by 32 weeks. All infants were monitored for adverse events (AEs) by telephone calls, clinic visits, and parental written reports during the first 42 days after each dose and monthly thereafter by telephone for 12 months. Serum anti-rotavirus immunoglobulin A (IgA) titers were measured prevaccination and 2 weeks after dose 3.A total of 5 infants with surgical gastrointestinal disease and 3 control subjects were enrolled. All participants (100%) mounted a 3-fold increase in serum anti-rotavirus IgA geometric mean titer postvaccination. RV5 administration to surgical infants was well tolerated with a majority of AEs being attributed to the underlying medical condition.Postvaccination serum anti-rotavirus IgA levels indicate that RV5 is immunogenic in infants with a history of bowel resection, despite varying lengths of residual bowel. RV5 was well tolerated with few vaccine-related AEs.

SUBMITTER: McGrath EJ

PROVIDER: S-EPMC4624282 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Pentavalent rotavirus vaccine in infants with surgical gastrointestinal disease.

McGrath Eric J EJ Thomas Ron R Duggan Christopher C Asmar Basim I BI

Journal of pediatric gastroenterology and nutrition 20140701 1

<h4>Objectives</h4>Pentavalent rotavirus vaccine (RV5) has been shown to be well-tolerated and efficacious in preventing rotavirus gastroenteritis in healthy infants. Safety and immunogenicity of RV5 in infants with surgical gastrointestinal disease have not been studied. The aim of the present study was to evaluate the safety and immunogenicity of RV5 in infants with a history of congenital or acquired intestinal disease requiring resection compared with healthy infants.<h4>Methods</h4>Infants ...[more]

PMID: 24614127

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Project description:Rotavirus is the most common cause of moderate-to-severe infant diarrhoea in developing countries, resulting in enormous morbidity, mortality, and economic burden. A bovine-human reassortant pentavalent rotavirus vaccine (BRV-PV) targeting the globally most common strains was developed in India and tested in a randomized, double-blind, placebo-controlled end-point driven Phase III efficacy clinical trial implemented at six sites across India. Infants 6 to 8weeks of age were randomized (1:1) to receive three oral doses of BRV-PV or placebo at 6, 10, and 14weeks of age along with routine vaccines. Home visit surveillance was conducted to detect severe rotavirus gastroenteritis (SRVGE) and safety outcomes until the children reached two years of age. A total of 3749 infants received BRV-PV while 3751 received placebo. At the time of the primary end-point (when the minimum number of cases needed for analysis were accrued) the vaccine efficacy against SRVGE was 36% (95% CI 11.7, 53.6, p=0.0067) in the per protocol (PP) analysis, and 41.9% (95% CI 21.1, 57.3, p=0.0005) in the intent to treat (ITT) analysis. Vaccine efficacy over the entire follow-up period (until children reached two years of age) was 39.5% (95% CI 26.7, 50, p<0.0001) in the PP analysis and 38.8% (95% CI, 26.4, 49, p<0.0001) in the ITT analysis. Vaccine efficacy against the very severe rotavirus cases (VSRVGE, Vesikari score≥16) was 60.5% (95% CI 17.7, 81, p=0.0131) at the time of the primary analysis and 54.7% (95% CI 29.7, 70.8, p=0.0004) for the complete follow-period in the PP population. The incidence of solicited, unsolicited, and serious adverse events were similar in both the vaccine and placebo groups. Likewise, the number of intussusceptions and deaths were similar between both groups. Thus, BRV-PV is an effective, well tolerated and safe vaccine in Indian infants. (Trial registration: Clinical Trials.Gov [NCT 02133690] and Clinical Trial Registry of India [CTRI/2013/05/003667]).

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Pentavalent rotavirus vaccine in infants with surgical gastrointestinal disease.

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Pentavalent rotavirus vaccine in infants with surgical gastrointestinal disease.

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