Validity study for bone maturity using with hand X-ray

APSS collaborative study: multicenter validation of the distal radius and ulna classification - APSS collaborative study: multicenter validation of the distal radius and ulna classification

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000044688

Enrollment

350

Registered

2021-07-01

Start date

2021-01-01

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

Adolescent idiopathic scoliosis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adolescent idiopathic scoliosis

Exclusion criteria

Exclusion criteria: congenital scoliosis syndromic scoliosis

Design outcomes

Primary

Measure	Time frame
Relationship between DRU classification and PHV	—

Secondary

Measure	Time frame
Relationship between DRU classification and curve progressions Relationship between initial Cobb angle and scoliosis progression in each of the DRU classifications. Country Differences in Risk Factors for curve progression.	—

Countries

Japan,Asia(except Japan)

Contacts

Public ContactHideki Shigematsu

Nara Medical University Orthopaedic surgery

shideki@naramed-u.ac.jp0744223051

Outcome results