September 29, 2025 Report Open Access

Manthey, Jakob; Jacobsen, Britta; Kalke, Jens; Kraus, Ludwig; Radas, Senadin; Schranz, Anna; Verthein, Uwe; Kotz, Daniel; Klosterhalfen, Stephanie; Steinhoff, Paula; Kinzig, Jörg; Iberl, Benedikt; Rebmann, Florian; Schreier, Sarah

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{"conceptdoi":"10.25592/uhhfdm.17990","conceptrecid":"17990","created":"2025-09-28T08:21:19.831309+00:00","doi":"10.25592/uhhfdm.17993","id":17993,"links":{"badge":"https://www.fdr.uni-hamburg.de/badge/doi/10.25592/uhhfdm.17993.svg","conceptbadge":"https://www.fdr.uni-hamburg.de/badge/doi/10.25592/uhhfdm.17990.svg","conceptdoi":"http://doi.org/10.25592/uhhfdm.17990","doi":"http://doi.org/10.25592/uhhfdm.17993"},"metadata":{"access_right":"open","access_right_category":"success","creators":[{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Manthey, Jakob","orcid":"0000-0003-1231-3760"},{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Jacobsen, Britta"},{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Kalke, Jens","orcid":"0009-0005-9854-2936"},{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Kraus, Ludwig","orcid":"0000-0001-7282-0217"},{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Radas, Senadin","orcid":"0009-0009-0231-8972"},{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Schranz, Anna","orcid":"0009-0007-9125-7360"},{"affiliation":"Zentrum f\u00fcr Interdisziplin\u00e4re Suchtforschung (ZIS), Universit\u00e4tsklinikum Hamburg-Eppendorf","name":"Verthein, Uwe","orcid":"0000-0002-5565-5536"},{"affiliation":"Centre for Health and Society (chs), Universit\u00e4tsklinikum D\u00fcsseldorf","name":"Kotz, Daniel","orcid":"0000-0002-9454-023X"},{"affiliation":"Centre for Health and Society (chs), Universit\u00e4tsklinikum D\u00fcsseldorf","name":"Klosterhalfen, Stephanie","orcid":"0000-0002-1175-898X"},{"affiliation":"Centre for Health and Society (chs), Universit\u00e4tsklinikum D\u00fcsseldorf","name":"Steinhoff, Paula","orcid":"0009-0001-2973-963X"},{"affiliation":"Institut f\u00fcr Kriminologie (IfK), Universit\u00e4t T\u00fcbingen","name":"Kinzig, J\u00f6rg","orcid":"0009-0004-8318-4761"},{"affiliation":"Institut f\u00fcr Kriminologie (IfK), Universit\u00e4t T\u00fcbingen","name":"Iberl, Benedikt","orcid":"0000-0002-4463-7009"},{"affiliation":"Institut f\u00fcr Kriminologie (IfK), Universit\u00e4t T\u00fcbingen","name":"Rebmann, Florian"},{"affiliation":"Institut f\u00fcr Kriminologie (IfK), Universit\u00e4t T\u00fcbingen","name":"Schreier, Sarah","orcid":"0000-0002-6947-5261"}],"description":"<p>Am 1. April 2024 ist das Konsumcannabisgesetz in Kraft getreten, wodurch der Besitz und Anbau von Cannabis in bestimmten Grenzen legalisiert wurden. Das Forschungsprojekt &bdquo;Evaluation des Konsumcannabisgesetzes&ldquo; (EKOCAN) untersucht die Auswirkungen dieser Teillegalisierung auf den Kinder- und Jugendschutz, den Gesundheitsschutz sowie die cannabisbezogene Kriminalit&auml;t. Der erste Zwischenbericht fasst die Forschungsergebnisse auf Basis der bis August 2025 verf&uuml;gbaren Informationen zusammen.<br>\n<br>\nOn 1 April 2024, the Act on the Handling of Cannabis for Non-Medical Use (Konsumcannabisgesetz) came into force, legalising the possession and cultivation of cannabis within certain limits. The research project &lsquo;Evaluation des Konsumcannabisgesetzes&rsquo; (EKOCAN) is investigating the effects of this partial legalisation on the protection of children and young people, health protection and cannabis-related crime. The first interim report summarises the research findings based on the information available up to August 2025.</p>","doi":"10.25592/uhhfdm.17993","keywords":["cannabis"],"license":{"id":"CC-BY-4.0"},"publication_date":"2025-09-29","related_identifiers":[{"identifier":"10.25592/uhhfdm.17990","relation":"isVersionOf","scheme":"doi"}],"relations":{"version":[{"count":2,"index":1,"is_last":true,"last_child":{"pid_type":"recid","pid_value":"17993"},"parent":{"pid_type":"recid","pid_value":"17990"}}]},"resource_type":{"subtype":"report","title":"Report","type":"publication"},"title":"Evaluation des Konsumcannabisgesetzes (EKOCAN): 1. Zwischenbericht"},"owners":[847],"revision":4,"updated":"2025-09-29T14:06:55.552099+00:00"}