Incidence Study of Autism Spectrum Disorder and Attention-Deficit/Hyperactivity Disorder

Incidence Study of Autism Spectrum Disorder and Attention-Deficit/Hyperactivity Disorder Using an Anonymous Medical Insurance-Related Information Database

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1030260229

Enrollment

999999

Registered

2026-06-16

Start date

2026-06-17

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

None

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Persons who have disease codes corresponding to Autism Spectrum Disorder or Attention-Deficit/Hyperactivity Disorder (excluding suspected diagnoses) in the medical claims (receipt) data from April 2009 through March 2024.

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
Number of autism spectrum disorder and attention-deficit/hyperactivity disorder diagnoses	—

Contacts

Public ContactDaimei Sasayama

Shinshu University

sasayama@shinshu-u.ac.jp+81-263372638

Outcome results