{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T00:52:25Z","timestamp":1785804745036,"version":"3.56.0"},"reference-count":24,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,7,5]],"date-time":"2019-07-05T00:00:00Z","timestamp":1562284800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Early Intervention Psych"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>No previous study has investigated interventions for homeless youth suffering from first episode psychosis and comorbid substance use disorder (HYPS). An intensive assertive community intervention team (IACIT) offering outreach interventions, housing support as well as integrated care for early psychosis and substance use disorder (SUD) was created in 2012 at the Centre Hospitalier de l'Universit\u00e9 de Montr\u00e9al (CHUM). To explore the impact of the addition of an IACIT to an early intervention for psychosis service (EIS) on housing stability, functional and symptomatic outcomes and mental health service use.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A two\u2010year longitudinal study comparing the outcome of HYPS receiving combined EIS and IACIT since 2012, to a historical cohort of HYPS receiving EIS only between 2005 and 2011. Socio\u2010demographic data, housing stability, functioning, illness severity, SUD severity, emergency room visits and hospitalizations were assessed at admission, at 1 month, and every 3 months thereafter.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>HYPS receiving EIS\u2009+\u2009IACIT achieved housing stability more rapidly and spent less time hospitalized than HYPS getting EIS only (RR 2.38, <jats:italic>P<\/jats:italic> = .017). HYPS with cocaine misuse were less likely to attain housing stability (RR 0.25, <jats:italic>P<\/jats:italic> = .04). No between\u2010group differences were found for psychiatric symptoms, functioning and SUD outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The addition of IACIT\u2010HYPS to EIS was associated with earlier housing stability and reduced total hospitalization days compared to EIS alone.<\/jats:p><\/jats:sec>","DOI":"10.1111\/eip.12846","type":"journal-article","created":{"date-parts":[[2019,7,5]],"date-time":"2019-07-05T09:49:58Z","timestamp":1562320198000},"page":"203-210","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Specialized assertive community treatment intervention for homeless youth with first episode psychosis and substance use disorder: A 2\u2010year follow\u2010up study"],"prefix":"10.1111","volume":"14","author":[{"given":"Virginie","family":"Dor\u00e9\u2010Gauthier","sequence":"first","affiliation":[{"name":"Department of Psychiatry Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Qu\u00e9bec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean\u2010Philippe","family":"Miron","sequence":"additional","affiliation":[{"name":"Department of Psychiatry Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Qu\u00e9bec Canada"},{"name":"Department of Psychiatry CHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"},{"name":"CRCHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dider","family":"Jutras\u2010Aswad","sequence":"additional","affiliation":[{"name":"Department of Psychiatry Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Qu\u00e9bec Canada"},{"name":"Department of Psychiatry CHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"},{"name":"CRCHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clair\u00e9laine","family":"Ouellet\u2010Plamondon","sequence":"additional","affiliation":[{"name":"Department of Psychiatry Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Qu\u00e9bec Canada"},{"name":"Department of Psychiatry CHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"},{"name":"CRCHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3333-9652","authenticated-orcid":false,"given":"Amal","family":"Abdel\u2010Baki","sequence":"additional","affiliation":[{"name":"Department of Psychiatry Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Qu\u00e9bec Canada"},{"name":"Department of Psychiatry CHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"},{"name":"CRCHUM, Universit\u00e9 de Montr\u00e9al  Montr\u00e9al Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,7,5]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"Abdel\u2010Baki A. L\u00e9vesque I.\u2010S. Ouellet\u2010Plamondon C. &Nicole L.(2014). Should we care about homelessness in first episode psychosis? Impact on outcome. Presented at the 9th International Conference on Early Psychosis."},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/schbul\/12.4.542"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0145-2134(02)00541-0"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.2147\/nedt.2006.2.4.531"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S2215-0366(14)00127-8"},{"key":"e_1_2_8_7_1","volume-title":"Substance abuse in Canada: Concurrent disorders","author":"Canadian Centre on Substance abuse","year":"2009"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/schbul\/6.4.606"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/0706743717720196"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psychres.2019.01.076"},{"key":"e_1_2_8_11_1","volume-title":"Australian Clinical Guidelines for Early Psychosis","author":"Early Psychosis Guidelines Writing Group and EPPIC National Support Program","year":"2016"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/jcop.21665"},{"key":"e_1_2_8_13_1","volume-title":"Canadian definition of homelessness","author":"Gaetz S.","year":"2012"},{"key":"e_1_2_8_14_1","unstructured":"Goering P. Veldhuizen S. Watson A. Adair C. Kopp B. Latimer E. &Aubry T.(2014). National at Home\/chez Soi final report. Calgary. Retrieved fromwww.mentalhealthcommission.ca"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1176\/ajp.147.11.1537"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-200003000-00002"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.schres.2012.08.013"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0033291710002023"},{"key":"e_1_2_8_19_1","unstructured":"L\u00e9vesque I.\u2010S. &Abdel\u2010Baki A.(2014). What do we know about homelessness in first episode psychosis? (Vol. 8). 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