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Study on regression in ASD

Study on relationship between long term outcomes and regression in autism spectrum disorder: a population-based birth cohort study in Kohoku ward, Yokohama

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-jRCT1030240372
Enrollment
Unknown
Registered
2024-10-03
Start date
2024-10-03
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

autism spectrum disorder with regression

Interventions

None listed

Sponsors

Washizuka Shinsuke
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Those who were born between 1988 and 1996 in Kohoku ward, Yokohama. Among them, those who meet the criteria for the diagnosis of pervasive developmental disorder in the ICD-10 and were diagnosed with autism spectrum disorder by the age of 7 at Yokohama Rehabilitation Center. Among them, those who consented to participate in the research from themselves or their guardians in the Y-LABiC study conducted between May 2017 and March 2020. Among them, those who completed the Howlin et al.'s outcome in the Y-LABiC study.

Exclusion criteria

Exclusion criteria: Those who opt out of the study.

Design outcomes

Primary

MeasureTime frame
Age, diagnosis based on ICD-10, IQ at age 5, IQ after age 17, history of epilepsy based on Yokohama Rehabilitation Center's medical records and Kohoku Ward public health and welfare center's records, Howlin et al.'s outcome composite measures—

Contacts

Public ContactHideo Honda

Shinshu University

hhonda@shinshu-u.ac.jp+81-263-37-3117

Outcome results

None listed

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