Study to Evaluate the Effectiveness of Rotarix™ Against Severe Gastroenteritis Among Hospitalized Children in Brazil

NCT ID: NCT01177657

Last Updated: 2012-11-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

1944 participants

Study Classification

OBSERVATIONAL

Study Start Date

2008-05-31

Study Completion Date

2011-05-31

Brief Summary

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The purpose of this study is to estimate the effectiveness of 2 doses of Rotarix™ vaccination in preventing rotavirus severe gastroenteritis among children hospitalized in Belem area, Brazil.

Detailed Description

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The study will be comprised of two parts: Case-control study and Rotavirus strain surveillance.

Conditions

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Rotavirus Gastroenteritis

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Gastroenteritis cohort

Children born after 6 March 2006, at least 12 weeks of age and hospitalized for rotavirus severe gastroenteritis

Stool sampling

Intervention Type PROCEDURE

Stool samples collected and checked for the presence of rotavirus

Hospital control cohort

Children hospitalized for non gastroenteritis causes

No interventions assigned to this group

Neighbourhood control cohort

Children without any symptoms of gastroenteritis or severe gastroenteritis

No interventions assigned to this group

Interventions

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Stool sampling

Stool samples collected and checked for the presence of rotavirus

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

For cases:

* A male or female child born after 6 March 2006 and at least 12 weeks of age.
* Subject admitted to the study clinics/hospitals for severe gastroenteritis during the study period.
* Onset of severe gastroenteritis ≤ 14 days prior to admission.
* Laboratory confirmed rotavirus positive stool sample at hospital admission or during the first 48 hours of hospitalization.
* Written informed consent obtained from the parent or guardian of the subject.

For controls:

* Admitted for non-gastroenteritis causes at the same clinic/hospital as the case.
* Living in the same neighbourhood as the case for at least three consecutive months without any symptoms of gastroenteritis or severe gastroenteritis on the day of interview of his/ her parents/ guardians.
* Being born within +- 2 weeks from the date of birth of the case. If the number required is not available, then the range would be extended to +- 4 weeks, and ultimately up to +- 6 weeks for hospital controls. For neighbourhood controls, the range may be extended to +- 8 weeks.
* Written informed consent obtained from the parent or guardian of the child.

Exclusion Criteria

For cases:

* Subject has previously participated as case or control in this study.
* Onset of severe gastroenteritis \> 48 hours after admission to the hospital (nosocomial infections).

For controls:

* For hospital controls: Child who has symptoms of gastroenteritis during current hospitalization or on the day of interview of his/her parent or guardian or for neighbourhood controls: Child who has symptoms of gastroenteritis or severe gastroenteritis on the day of interview of his/her parent or guardian.
* Exclude children with the following vaccine preventable diseases: measles, mumps, rubella, diphtheria, pertussis, tetanus, tuberculosis, invasive Haemophilus influenzae type B (Hib) infections (meningitis, bacteraemia, septic arthritis, cellulitis, and epiglottitis) and hepatitis B.
* Child has participated in the past as a case or control in this study.
* Child living in the same house as the case
Minimum Eligible Age

12 Weeks

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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GlaxoSmithKline

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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GSK Clinical Trials

Role: STUDY_DIRECTOR

GlaxoSmithKline

Locations

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GSK Investigational Site

Belém, Pará, Brazil

Site Status

Countries

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Brazil

References

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Justino MC, Linhares AC, Lanzieri TM, Miranda Y, Mascarenhas JD, Abreu E, Guerra SF, Oliveira AS, da Silva VB, Sanchez N, Meyer N, Shafi F, Ortega-Barria E, Soriano-Gabarro M, Colindres RE. Effectiveness of the monovalent G1P[8] human rotavirus vaccine against hospitalization for severe G2P[4] rotavirus gastroenteritis in Belem, Brazil. Pediatr Infect Dis J. 2011 May;30(5):396-401. doi: 10.1097/INF.0b013e3182055cc2.

Reference Type BACKGROUND
PMID: 21150692 (View on PubMed)

Other Identifiers

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111562

Identifier Type: -

Identifier Source: org_study_id