{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T12:26:52Z","timestamp":1790166412915,"version":"4.1.0"},"reference-count":43,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2018,7,1]],"date-time":"2018-07-01T00:00:00Z","timestamp":1530403200000},"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":["Clin Psychology and Psychoth"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Group cognitive\u2013behavioural therapy (G\u2010CBT) for hoarding disorder (HD) may be an intervention of choice, considering its efficacy, low costs, and impact on comorbid anxiety and depression. But although G\u2010CBT and modifications of G\u2010CBT have been applied, none has assessed G\u2010CBT efficacy at follow\u2010up. In the current open\u2010label pilot study, we tested the efficacy of G\u2010CBT at posttreatment and 6\u2010month follow\u2010up and whether the inclusion of targeted reasoning and self\u2010identity components added to G\u2010CBT efficacy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Participants (<jats:italic>n<\/jats:italic>\u00a0=\u00a016) with the HD according to the DSM\u20105 criteria without major comorbid conditions and not requiring immediate medical intervention were retained. The intervention included a 20\u2010week G\u2010CBT with the inclusion of modules on reasoning and self\u2010identity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Very large\/large effect sizes, depending on the outcome measure, were observed at posttreatment. Also, HD severity decreased from posttreatment to 6\u2010month follow\u2010up. All participants showed reliable change from pretreatment to follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The results emphasize the efficacy of G\u2010CBT with additional targeted reasoning and self\u2010components.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cpp.2304","type":"journal-article","created":{"date-parts":[[2018,7,2]],"date-time":"2018-07-02T02:24:00Z","timestamp":1530498240000},"page":"701-709","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Group cognitive\u2013behavioural treatment with long\u2010term follow\u2010up and targeting self\u2010identity for hoarding disorder: An open trial"],"prefix":"10.1002","volume":"25","author":[{"given":"Kieron","family":"O'Connor","sequence":"first","affiliation":[{"name":"Research Centre of the Montreal Institute of Mental Health  Montreal Canada"},{"name":"University of Montreal  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7083-7250","authenticated-orcid":false,"given":"Yuliya","family":"Bodryzlova","sequence":"additional","affiliation":[{"name":"Research Centre of the Montreal Institute of Mental Health  Montreal Canada"},{"name":"University of Montreal  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean\u2010S\u00e9bastien","family":"Audet","sequence":"additional","affiliation":[{"name":"Research Centre of the Montreal Institute of Mental Health  Montreal Canada"},{"name":"University of Montreal  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalia","family":"Koszegi","sequence":"additional","affiliation":[{"name":"Research Centre of the Montreal Institute of Mental Health  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karine","family":"Bergeron","sequence":"additional","affiliation":[{"name":"Research Centre of the Montreal Institute of Mental Health  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Annik","family":"Guitard","sequence":"additional","affiliation":[{"name":"Research Centre of the Montreal Institute of Mental Health  Montreal Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,7]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425596"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1037\/0022-006X.56.6.893"},{"key":"e_1_2_7_4_1","volume-title":"Beck Depression Inventory\u2010II","author":"Beck A. 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