{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T23:27:26Z","timestamp":1781306846515,"version":"3.54.1"},"reference-count":135,"publisher":"National Institute for Health and Care Research","license":[{"start":{"date-parts":[[2023,11,1]],"date-time":"2023-11-01T00:00:00Z","timestamp":1698796800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001921","name":"Public Health Research programme","doi-asserted-by":"publisher","award":["15\/49\/32"],"award-info":[{"award-number":["15\/49\/32"]}],"id":[{"id":"10.13039\/501100001921","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journalslibrary.nihr.ac.uk"],"crossmark-restriction":false},"short-container-title":["Public Health Res"],"abstract":"<jats:sec id=\"abs1-1\"><jats:title>Background<\/jats:title><jats:p>Social skills interventions are commonly recommended to help children and young people with autism spectrum disorder develop social skills, but some struggle to engage in these interventions. LEGO<jats:sup>\u00ae<\/jats:sup>(LEGO System A\/S, Billund, Denmark) based therapy, a group social skills intervention, aims to be more interesting and engaging.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-2\"><jats:title>Objective<\/jats:title><jats:p>To evaluate the clinical effectiveness of LEGO<jats:sup>\u00ae<\/jats:sup>based therapy on the social and emotional skills of children and young people with autism spectrum disorder in school settings compared with usual support. Secondary objectives included evaluations of cost-effectiveness, acceptability and treatment fidelity.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-3\"><jats:title>Design<\/jats:title><jats:p>A cluster randomised controlled trial randomly allocating participating schools to either LEGO<jats:sup>\u00ae<\/jats:sup>based therapy and usual support or usual support only.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-4\"><jats:title>Setting<\/jats:title><jats:p>Mainstream schools in the north of England.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-5\"><jats:title>Participants<\/jats:title><jats:p>Children and young people (aged 7\u201315 years) with autism spectrum disorder, their parent\/guardian, an associated teacher\/teaching assistant and a facilitator teacher\/teaching assistant (intervention schools only).<\/jats:p><\/jats:sec><jats:sec id=\"abs1-6\"><jats:title>Intervention<\/jats:title><jats:p>Schools randomised to the intervention arm delivered 12 weekly sessions of LEGO<jats:sup>\u00ae<\/jats:sup>based therapy, which promotes collaborative play and encourages social problem-solving in groups of three children and young people with a facilitator (trained teacher or teaching assistant). Participants received usual support from school and community services. Participants in the control arm received usual support only. Research assistants and statisticians were blind to treatment allocation.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-7\"><jats:title>Main outcome measure<\/jats:title><jats:p>The social skills subscale of the Social Skills Improvement System (SSIS), completed by the children and young people\u2019s unblinded teacher pre randomisation and 20 weeks post randomisation. The SSIS social skills subscale measures social skills including social communication, co-operation, empathy, assertion, responsibility and self-control. Participants completed a number of other pre- and post-randomisation measures of emotional health, quality of life, loneliness, problem behaviours, academic competence, service resource utilisation and adverse events.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-8\"><jats:title>Results<\/jats:title><jats:p>A total of 250 children and young people from 98 schools were randomised: 127 to the intervention arm and 123 to the control arm. Intention-to-treat analysis of the main outcome measure showed a modest positive difference of 3.74 points (95% confidence interval \u20130.16 to 7.63 points, standardised effect size 0.18;<jats:italic>p<\/jats:italic>\u2009=\u20090.06) in favour of the intervention arm. Statistical significance increased in per-protocol analysis, with a modest positive difference (standardised effect size 0.21;<jats:italic>p<\/jats:italic>\u2009=\u20090.036). Cost-effectiveness of the intervention was found in reduced service use costs and a small increase in quality-adjusted life-years. Intervention fidelity and acceptability were positive. No intervention-related adverse events or effects were reported.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-9\"><jats:title>Conclusions<\/jats:title><jats:p>The primary and pre-planned sensitivity analysis of the primary outcome consistently showed a positive clinical difference, with modest standardised effect sizes of between 0.15 and 0.21. There were positive health economics and qualitative findings, corroborated by the difference between arms for the majority of secondary outcomes, which were not statistically significant but favoured the intervention arm. Post hoc additional analysis was exploratory and was not used in drawing this conclusion. Given the small positive change, LEGO<jats:sup>\u00ae<\/jats:sup>based therapy for children and young people with autism spectrum disorder in schools should be considered.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-10\"><jats:title>Limitations<\/jats:title><jats:p>The primary outcome measure was completed by an unblinded teacher (rather than by the facilitator).<\/jats:p><\/jats:sec><jats:sec id=\"abs1-11\"><jats:title>Future work<\/jats:title><jats:p>The study team recommends future research into LEGO<jats:sup>\u00ae<\/jats:sup>based therapy, particularly in school environments.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-12\"><jats:title>Trial registration<\/jats:title><jats:p>This trial is registered as ISRCTN64852382.<\/jats:p><\/jats:sec><jats:sec id=\"abs1-13\"><jats:title>Funding<\/jats:title><jats:p>This award was funded by the National Institute for Health and Care Research (NIHR) Public Health Research programme (NIHR award ref: 15\/49\/32) and is published in full in<jats:italic>Public Health Research<\/jats:italic>; Vol. 11, No. 12. See the NIHR Funding and Awards website for further award information.<\/jats:p><\/jats:sec>","DOI":"10.3310\/vgtr7431","type":"journal-article","created":{"date-parts":[[2023,12,14]],"date-time":"2023-12-14T10:01:37Z","timestamp":1702548097000},"page":"1-137","update-policy":"https:\/\/doi.org\/10.3310\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":7,"title":["Play brick therapy to aid the social skills of children and young people with autism spectrum disorder: the I-SOCIALISE cluster RCT"],"prefix":"10.3310","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8692-6001","authenticated-orcid":true,"given":"Barry","family":"Wright","sequence":"first","affiliation":[{"name":"Hull York Medical School, University of York, York, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0964-4588","authenticated-orcid":true,"given":"Ellen","family":"Kingsley","sequence":"additional","affiliation":[{"name":"Child Oriented Mental Health 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