Successful outcomes with low-threshold intervention for cannabis use disorders in Norway - an observational study
Cannabis is the most commonly used regulated drug by European youths. Yet, few cannabis-specific interventions have been examined in Europe. The Cannabis Cessation Program (CCP) was developed in Sweden in the 1990s and has been implemented in some Norwegian municipalities. The present study aimed to...
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| Veröffentlicht in: | PloS one 2022-06, Vol.17 (6), p.e0269988-e0269988 |
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| creator | Vederhus, John-Kåre Rørendal, Malin Skårdal, Madelene Næss, Marianne Otterstad Clausen, Thomas Kristensen, Øistein |
| description | Cannabis is the most commonly used regulated drug by European youths. Yet, few cannabis-specific interventions have been examined in Europe. The Cannabis Cessation Program (CCP) was developed in Sweden in the 1990s and has been implemented in some Norwegian municipalities. The present study aimed to examine outcomes of this intervention in the Norwegian setting.
The respondents (N = 102) were recruited in four community-based CCPs in Norway. We examined their changes in cannabis use, other substance use, mental distress, well-being, sense of coherence (SoC), and social networks, from baseline (T0) to post-treatment (T1) and up to a 3-month follow-up period (T2). Changes were evaluated with pair-wise t-tests.
Seventy-six participants (75%) completed the 8-week program, according to plan. All participants reported a significant reduction in cannabis use at T1 (average reduction ~16 days per month) and at T2 (N = 59; ~13 days per month). Among those that completed the program, 67% was abstinent from cannabis at T1 and 37% was abstinent at T2. An intention-to-treat analysis showed that 50% (51/102) and 22% (22/102) were abstinent from cannabis use at T1 and T2, respectively. In parallel to abstinence, we observed a substantial reduction in mental distress and an increase in well-being and SoC. Respondents socialized with fewer friends with current substance use, but drug-free social networks were not expanded.
Our findings suggested that the CCP was a valuable, low-threshold manual-based intervention for cannabis use disorders. It showed considerable potential for reducing individuals' cannabis use.
Clinicaltrials.gov no. NCT04989205. Registered 12 July 2021, i.e., the study was retrospectively registered. |
| doi_str_mv | 10.1371/journal.pone.0269988 |
| format | Article |
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The respondents (N = 102) were recruited in four community-based CCPs in Norway. We examined their changes in cannabis use, other substance use, mental distress, well-being, sense of coherence (SoC), and social networks, from baseline (T0) to post-treatment (T1) and up to a 3-month follow-up period (T2). Changes were evaluated with pair-wise t-tests.
Seventy-six participants (75%) completed the 8-week program, according to plan. All participants reported a significant reduction in cannabis use at T1 (average reduction ~16 days per month) and at T2 (N = 59; ~13 days per month). Among those that completed the program, 67% was abstinent from cannabis at T1 and 37% was abstinent at T2. An intention-to-treat analysis showed that 50% (51/102) and 22% (22/102) were abstinent from cannabis use at T1 and T2, respectively. In parallel to abstinence, we observed a substantial reduction in mental distress and an increase in well-being and SoC. Respondents socialized with fewer friends with current substance use, but drug-free social networks were not expanded.
Our findings suggested that the CCP was a valuable, low-threshold manual-based intervention for cannabis use disorders. It showed considerable potential for reducing individuals' cannabis use.
Clinicaltrials.gov no. NCT04989205. Registered 12 July 2021, i.e., the study was retrospectively registered.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0269988</identifier><identifier>PMID: 35709178</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adolescent ; Biology and Life Sciences ; Cannabis ; Care and treatment ; Computer and Information Sciences ; Disorders ; Drug addiction ; Drug use ; Drug withdrawal ; Evaluation ; Evidence-based medicine ; Hallucinogens ; Health Behavior ; Humans ; Intervention ; Marijuana ; Marijuana Abuse - therapy ; Medicine and Health Sciences ; Municipalities ; Observational studies ; Patient outcomes ; People and Places ; Reduction ; Research and Analysis Methods ; Social interactions ; Social networks ; Social organization ; Social Sciences ; Substance abuse ; Substance abuse treatment ; Substance use ; Substance-Related Disorders ; Well being ; Young adults</subject><ispartof>PloS one, 2022-06, Vol.17 (6), p.e0269988-e0269988</ispartof><rights>COPYRIGHT 2022 Public Library of Science</rights><rights>2022 Vederhus et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>info:eu-repo/semantics/openAccess</rights><rights>2022 Vederhus et al 2022 Vederhus et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c716t-a89c152f566d25ce503eb70e44ea5f895831d958349540c914f2d5a3dbdf43703</citedby><cites>FETCH-LOGICAL-c716t-a89c152f566d25ce503eb70e44ea5f895831d958349540c914f2d5a3dbdf43703</cites><orcidid>0000-0002-7341-5480</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9202853/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9202853/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,26544,27901,27902,53766,53768,79342,79343</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35709178$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vederhus, John-Kåre</creatorcontrib><creatorcontrib>Rørendal, Malin</creatorcontrib><creatorcontrib>Skårdal, Madelene</creatorcontrib><creatorcontrib>Næss, Marianne Otterstad</creatorcontrib><creatorcontrib>Clausen, Thomas</creatorcontrib><creatorcontrib>Kristensen, Øistein</creatorcontrib><title>Successful outcomes with low-threshold intervention for cannabis use disorders in Norway - an observational study</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Cannabis is the most commonly used regulated drug by European youths. Yet, few cannabis-specific interventions have been examined in Europe. The Cannabis Cessation Program (CCP) was developed in Sweden in the 1990s and has been implemented in some Norwegian municipalities. The present study aimed to examine outcomes of this intervention in the Norwegian setting.
The respondents (N = 102) were recruited in four community-based CCPs in Norway. We examined their changes in cannabis use, other substance use, mental distress, well-being, sense of coherence (SoC), and social networks, from baseline (T0) to post-treatment (T1) and up to a 3-month follow-up period (T2). Changes were evaluated with pair-wise t-tests.
Seventy-six participants (75%) completed the 8-week program, according to plan. All participants reported a significant reduction in cannabis use at T1 (average reduction ~16 days per month) and at T2 (N = 59; ~13 days per month). Among those that completed the program, 67% was abstinent from cannabis at T1 and 37% was abstinent at T2. An intention-to-treat analysis showed that 50% (51/102) and 22% (22/102) were abstinent from cannabis use at T1 and T2, respectively. In parallel to abstinence, we observed a substantial reduction in mental distress and an increase in well-being and SoC. Respondents socialized with fewer friends with current substance use, but drug-free social networks were not expanded.
Our findings suggested that the CCP was a valuable, low-threshold manual-based intervention for cannabis use disorders. It showed considerable potential for reducing individuals' cannabis use.
Clinicaltrials.gov no. NCT04989205. Registered 12 July 2021, i.e., the study was retrospectively registered.</description><subject>Adolescent</subject><subject>Biology and Life Sciences</subject><subject>Cannabis</subject><subject>Care and treatment</subject><subject>Computer and Information Sciences</subject><subject>Disorders</subject><subject>Drug addiction</subject><subject>Drug use</subject><subject>Drug withdrawal</subject><subject>Evaluation</subject><subject>Evidence-based medicine</subject><subject>Hallucinogens</subject><subject>Health Behavior</subject><subject>Humans</subject><subject>Intervention</subject><subject>Marijuana</subject><subject>Marijuana Abuse - therapy</subject><subject>Medicine and Health Sciences</subject><subject>Municipalities</subject><subject>Observational studies</subject><subject>Patient outcomes</subject><subject>People and Places</subject><subject>Reduction</subject><subject>Research and Analysis Methods</subject><subject>Social interactions</subject><subject>Social 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outcomes with low-threshold intervention for cannabis use disorders in Norway - an observational study</title><author>Vederhus, John-Kåre ; Rørendal, Malin ; Skårdal, Madelene ; Næss, Marianne Otterstad ; Clausen, Thomas ; Kristensen, Øistein</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c716t-a89c152f566d25ce503eb70e44ea5f895831d958349540c914f2d5a3dbdf43703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Adolescent</topic><topic>Biology and Life Sciences</topic><topic>Cannabis</topic><topic>Care and treatment</topic><topic>Computer and Information Sciences</topic><topic>Disorders</topic><topic>Drug addiction</topic><topic>Drug use</topic><topic>Drug withdrawal</topic><topic>Evaluation</topic><topic>Evidence-based medicine</topic><topic>Hallucinogens</topic><topic>Health 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Malin</au><au>Skårdal, Madelene</au><au>Næss, Marianne Otterstad</au><au>Clausen, Thomas</au><au>Kristensen, Øistein</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Successful outcomes with low-threshold intervention for cannabis use disorders in Norway - an observational study</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2022-06-16</date><risdate>2022</risdate><volume>17</volume><issue>6</issue><spage>e0269988</spage><epage>e0269988</epage><pages>e0269988-e0269988</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Cannabis is the most commonly used regulated drug by European youths. Yet, few cannabis-specific interventions have been examined in Europe. The Cannabis Cessation Program (CCP) was developed in Sweden in the 1990s and has been implemented in some Norwegian municipalities. The present study aimed to examine outcomes of this intervention in the Norwegian setting.
The respondents (N = 102) were recruited in four community-based CCPs in Norway. We examined their changes in cannabis use, other substance use, mental distress, well-being, sense of coherence (SoC), and social networks, from baseline (T0) to post-treatment (T1) and up to a 3-month follow-up period (T2). Changes were evaluated with pair-wise t-tests.
Seventy-six participants (75%) completed the 8-week program, according to plan. All participants reported a significant reduction in cannabis use at T1 (average reduction ~16 days per month) and at T2 (N = 59; ~13 days per month). Among those that completed the program, 67% was abstinent from cannabis at T1 and 37% was abstinent at T2. An intention-to-treat analysis showed that 50% (51/102) and 22% (22/102) were abstinent from cannabis use at T1 and T2, respectively. In parallel to abstinence, we observed a substantial reduction in mental distress and an increase in well-being and SoC. Respondents socialized with fewer friends with current substance use, but drug-free social networks were not expanded.
Our findings suggested that the CCP was a valuable, low-threshold manual-based intervention for cannabis use disorders. It showed considerable potential for reducing individuals' cannabis use.
Clinicaltrials.gov no. NCT04989205. Registered 12 July 2021, i.e., the study was retrospectively registered.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>35709178</pmid><doi>10.1371/journal.pone.0269988</doi><tpages>e0269988</tpages><orcidid>https://orcid.org/0000-0002-7341-5480</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2022-06, Vol.17 (6), p.e0269988-e0269988 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_2686269702 |
| source | MEDLINE; NORA - Norwegian Open Research Archives; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Free Full-Text Journals in Chemistry; Public Library of Science (PLoS) |
| subjects | Adolescent Biology and Life Sciences Cannabis Care and treatment Computer and Information Sciences Disorders Drug addiction Drug use Drug withdrawal Evaluation Evidence-based medicine Hallucinogens Health Behavior Humans Intervention Marijuana Marijuana Abuse - therapy Medicine and Health Sciences Municipalities Observational studies Patient outcomes People and Places Reduction Research and Analysis Methods Social interactions Social networks Social organization Social Sciences Substance abuse Substance abuse treatment Substance use Substance-Related Disorders Well being Young adults |
| title | Successful outcomes with low-threshold intervention for cannabis use disorders in Norway - an observational study |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-06T20%3A58%3A59IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Successful%20outcomes%20with%20low-threshold%20intervention%20for%20cannabis%20use%20disorders%20in%20Norway%20-%20an%20observational%20study&rft.jtitle=PloS%20one&rft.au=Vederhus,%20John-K%C3%A5re&rft.date=2022-06-16&rft.volume=17&rft.issue=6&rft.spage=e0269988&rft.epage=e0269988&rft.pages=e0269988-e0269988&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0269988&rft_dat=%3Cgale_plos_%3EA707329765%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2686269702&rft_id=info:pmid/35709178&rft_galeid=A707329765&rft_doaj_id=oai_doaj_org_article_2d51a18bd9a546eaa84cada21999cc34&rfr_iscdi=true |