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Longitudinal outcomes of gender identity in children

Outcomes and predictors of outcome for children and young people referred to UK gender identity development services: a longitudinal investigation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN98564473
Enrollment
638
Registered
2019-01-16
Start date
2019-06-05
Completion date
Unknown
Last updated
2026-05-25

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

Conditions

Gender identity development in children and young people Other

Interventions

This study will employ a mixed-methods longitudinal design. It will consist of both quantitative assessments and qualitative interviews at three timepoints. Participants will be firstly recruited to
status with regard to social transition
physical health
mental health and psychological wellbeing
Autism Spectrum Disorder
cognitive development
quality of life
peer and family relationships
socio-cultural and demographic factors
Adverse Childhood Experiences
and health care and societal costs. In addition to this quantitative assessment, 40 families will be invited to take part in interviews to explore their first-hand accounts of living with issues of

Sponsors

Tavistock & Portman NHS Trust (via NOCLOR)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 14 Years

Inclusion criteria

Inclusion criteria: Current key inclusion criteria as of 11/05/2026: Participants must: 1. Be aged 3-14 years at the time of referral to the UK's Gender Identity Development Service (GIDS) 2. Have received parental consent 3. Have English language comprehension 4. Live in the UK Previous key inclusion criteria: Participants must: 1. Be aged 3-13 years at the time of referral to the UK's Gender Identity Development Service (GIDS) 2. Have received parental consent 3. Have English language comprehension 4. Live in the UK

Exclusion criteria

Exclusion criteria: Participants must not: 1. Be aged 14 years or older All participants must have parental consent and reasonable fluency in English

Design outcomes

Primary

MeasureTime frame
Gender Dysphoria Baseline assessments and interviews will take place between June 2019 and November 2020. Timepoint 1 (first follow-up) assessments and interviews will take place between June 2020 and November 2021. Time point 2 assessments and interviews will take place between June 2021 And November 2022. We are currently in the process of deciding on our measures and designing our topic guides. We will be able to update you on the measures used by June.

Secondary

MeasureTime frame
Physical/endocrine Intervention and Mental Health; Behavioural and Emotional Functioning; and Quality of Life.

Countries

England, United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: May 29, 2026