biostudies-literatureUnknown14Achterbosch M<b>Background:</b> Medication adherence to inhalation medication is suboptimal in patients with COPD and asthma. Shared decision making (SDM) is proposed as an intervention to improve medication adherence. Despite its wide promotion, evidence of SDM's association with greater medication adherence is scarce. Also, it is unknown to what degree patients presently experience SDM and how it is associated with medication adherence. <b>Objective:</b> To (i) assess the level of SDM and (ii) medication adherence, (iii) explore the relation between SDM and medication adherence and iv) investigate possible underlying mechanisms. <b>Methods:</b> Cross-sectional observational study. A survey was distributed among Dutch patients with COPD and/or asthma using inhaled medication. Medication adherence was Frontiers in pharmacology1283135https://www.ebi.ac.uk/biostudies/studies/S-EPMC10634231biostudies-literatureShared decision making and medication adherence in patients with COPD and/or asthma: the ANANAS study.PMC10634231Vart PAchterbosch Mvan Boven JFMvan Dijk LfalseShared decision making and medication adherence in patients with COPD and/or asthma: the ANANAS study.<b>Background:</b> Medication adherence to inhalation medication is suboptimal in patients with COPD and asthma. Shared decision making (SDM) is proposed as an intervention to improve medication adherence. Despite its wide promotion, evidence of SDM's association with greater medication adherence is scarce. Also, it is unknown to what degree patients presently experience SDM and how it is associated with medication adherence. <b>Objective:</b> To (i) assess the level of SDM and (ii) medication adherence, (iii) explore the relation between SDM and medication adherence and iv) investigate possible underlying mechanisms. <b>Methods:</b> Cross-sectional observational study. A survey was distributed among Dutch patients with COPD and/or asthma using inhaled medication. Medication adherence was 2023-01-01T00:00:00Z20232025-04-04T14:29:19.549Z2025-04-04T14:29:19.549ZS-EPMC106342313795484810.3389/fphar.2023.1283135