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Fat pad thickness measured using B-mode ultrasonography in small children below 2 year old: safety measures in intramuscular vaccination amongst Japanese children.

Fat pad thickness measured using B-mode ultrasonography in small children below 2 year old: safety measures in intramuscular vaccination amongst Japanese children. - Measurement of fat pad and muscle thickness amongst Japanese children for the safety of intramuscular vaccination.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000018799
Enrollment
200
Registered
2015-09-10
Start date
2015-09-15
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy children.

Interventions

None listed

Sponsors

St. Luke's International Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Both genders below and including 24 month old, without major swelling and/or inflammatory conditions in the lower extremities and without excessive malnutrition. The measurements will be performed to healthy infants and children that meet the criteria, visiting our facility for check-up, vaccination, or other consultations. Born above 1500g at age. Guardian that can understand independently about the written consent. Economic status does not segregate condition. Minimum interval for each measurement will be at least 4 weeks. All measurements are done as outpatients. Use of therapeutic drugs will not alter joining.

Exclusion criteria

Exclusion criteria: Children born under 1500g. Malnutrition child. Children free from malignancy, acute/severe illnesses, local skin swelling or dermatological conditions. Children of whom born under someone unable to understand the purpose of this study. Children above 25 month old. Anyone arriving before 4 weeks after the prior measurement. Children suffering from domestic violence of other conditions that the physician/pediatrician thinks inappropriate for the study. Non-asian population.

Design outcomes

Primary

MeasureTime frame
This study will confirm if the CDC recommendation would be appropriate for the general Japanese small children population regarding the intramuscular immunization practices, especially concerning the needle length advised to be used.

Countries

Japan

Contacts

Public ContactLeo A. T. King, M.D.

THE KING CLINIC DIRECTOR GENERAL

leoking168@thekingclinic.com03-3409-0764

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026