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CompletedNCT01479491Updated Oct 22, 2012

Study on the Incidence of Intussusception (IS) in Children Aged < 12 Months in Japan

An observational study in Intussusception, sponsored by GlaxoSmithKline. Completed. Open to participants aged Up to 12 Months. Per ClinicalTrials.gov, last updated 2012-10-22.

Sponsored by GlaxoSmithKline · Observational

Study type
Observational
Model
Case-only
Time perspective
Retrospective
Enrollment
54
Ages
Up to 12 Months
Sex
All
01

Study summary

This study aims to analyse baseline data on IS in order to monitor the possibility of increased risk of IS in children aged \<12 months after introduction of the Rotarix vaccination in Japan.

02

Conditions studied

  • Intussusception

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Keywords

  • Japan
  • Retrospective
  • Observational
  • Epidemiological study
  • Children aged < 12 months
  • Intussusception
03

In context

Intussusception

31 studies on the registry are indexed under Intussusception; 6 are open to participants now.

This study's enrollment of 54 is below the median of 250 across 15 observational studies indexed under Intussusception.

Browse Intussusception studies →

Lead sponsor

GlaxoSmithKline is the lead sponsor of 3,650 studies on the registry; 118 are open to participants now.

Of its 264 completed or terminated interventional studies of FDA-regulated products, 241 (91%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Up to 12 Months
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Children aged \<12 months presenting with IS and covered by the JMDC-MDB database from January 2005 to April 2011.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • A male or female infant aged \< 12 months at the time of IS diagnosis and affiliated to the JMDC-MDB database.
  • An IS case should be identified as per the ICD-10 diagnostic code-K56.1 (any-field listed), examination codes, and procedural codes.

Exclusion criteria

Exclusion Criteria:

Not applicable

05

Study design

Observational model
Case-only
Time perspective
Retrospective
Enrollment
54 participants (actual)

Groups and cohorts

  • Case Group

    Children aged \< 12 months presenting with IS and covered by the Japan Medical Data Centre Company Limited (JMDC), Tokyo referred to as the JMDC Medical Data Bank (JMDC-MDB).

    Other: Data collection

Interventions

  • OtherData collection

    Data source will be the Japan Medical Data Centre Company Limited (JMDC) - JMDC Medical Data Bank (JMDC-MDB) database. Aggregated data (age in months and years and gender) for all subjects recorded in the database and subject-level data for IS cases will be extracted from the database. This database will be reviewed to extract data for the period between January 2005 and April 2011. Cases of IS will be identified using the International Classification of Diseases-10 (ICD-10) diagnostic codes, examination codes and procedural codes.

06

What researchers measure

Primary outcomes

  1. Occurrence of IS in subjects aged < 12 months

    Time frame: Between January 2005 and April 2011 (6 years)

  2. Occurrence of age-specific and gender-specific incidence of IS among subjects aged < 12 months in Japan

    Time frame: Between January 2005 and April 2011 (6 years)

Secondary outcomes

  1. Number of IS cases hospitalized more than once among subjects aged < 12 months.

    Time frame: Between January 2005 and April 2011 (6 years)

  2. Occurrence of IS cases by calendar months and year among subjects aged < 12 months

    Time frame: Between January 2005 and April 2011 (6 years)

07

Study locations

No study locations are listed for this record.

08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 22, 2012, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT01479491
Lead sponsor
GlaxoSmithKline
Responsible party
Sponsor
First posted
Nov 24, 2011
Start date
Nov 2011
Primary completion
Nov 2011
Completion
Nov 2011
Last update
Oct 22, 2012

Study contacts

GSK Clinical Trials
study director · GlaxoSmithKline
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2012. You cannot join it, but the record below documents what was studied.

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