Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia

This observational, cross-sectional study conducted at the University Hospital Centre Zagreb (UHC Zagreb) aimed to explore patients’ beliefs about adjuvant endocrine therapy (AET) as well as their association with non-adherence and sociodemographic and clinical factors. Out of 420 early breast cance...

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Main Authors: Okroša Ana Dugonjić, Silovski Tajana, Plavetić Natalija Dedić, Silovski Hrvoje, Kovačić Ana, Mucalo Iva
Format: Article
Language:English
Published: Sciendo 2023-12-01
Series:Acta Pharmaceutica
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Online Access:https://doi.org/10.2478/acph-2023-0043
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author Okroša Ana Dugonjić
Silovski Tajana
Plavetić Natalija Dedić
Silovski Hrvoje
Kovačić Ana
Mucalo Iva
author_facet Okroša Ana Dugonjić
Silovski Tajana
Plavetić Natalija Dedić
Silovski Hrvoje
Kovačić Ana
Mucalo Iva
author_sort Okroša Ana Dugonjić
collection DOAJ
description This observational, cross-sectional study conducted at the University Hospital Centre Zagreb (UHC Zagreb) aimed to explore patients’ beliefs about adjuvant endocrine therapy (AET) as well as their association with non-adherence and sociodemographic and clinical factors. Out of 420 early breast cancer (BC) patients included in the study, 79.5 % perceived AET necessary and important for their health, as measured by the Belief About Medicines Questionnaire (BMQ), with the mean necessity score (20.4 ± 3.68) significantly higher than the mean concerns score (13 ± 4.81) (p < 0.001). Based on the Medication Adherence Report Scale (MARS-5), 44.4 % (n = 182) of the participants were non-adherers, out of which 63.2 % (n = 115) were unintentional and 36.8 % (n = 67) intentional non-adherers. Significantly higher concern beliefs were found among patients that were younger (p < 0.001), employed (p < 0.001), intentionally non-adherent to AET (p = 0.006), had a lower body-mass index (p = 0.005) and a higher level of education (p < 0.001), were premenopausal at the time of diagnosis (p < 0.001), taking tamoxifen treatment (p = 0.05) and receiving ovarian suppression (p < 0.001). Younger patients should be recognized as being at risk of non-adherence as they hold greater concern beliefs about medicines.
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spelling doaj-art-1f225a94dd7249648b7d2b32795544b82025-02-03T09:59:34ZengSciendoActa Pharmaceutica1846-95582023-12-0173467368910.2478/acph-2023-0043Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in CroatiaOkroša Ana Dugonjić0Silovski Tajana1Plavetić Natalija Dedić2Silovski Hrvoje3Kovačić Ana4Mucalo Iva51Agency for Medicinal Products and Medical Devices of Croatia, ZagrebCroatia2Department of Oncology, University Hospital Centre Zagreb, Zagreb, Croatia2Department of Oncology, University Hospital Centre Zagreb, Zagreb, Croatia3University of Zagreb, Medical School Zagreb, Croatia5University of Zagreb Faculty of Food Technology and Biotechnology, ZagrebCroatia6University of Zagreb Faculty of Pharmacy and Biochemistry, ZagrebCroatiaThis observational, cross-sectional study conducted at the University Hospital Centre Zagreb (UHC Zagreb) aimed to explore patients’ beliefs about adjuvant endocrine therapy (AET) as well as their association with non-adherence and sociodemographic and clinical factors. Out of 420 early breast cancer (BC) patients included in the study, 79.5 % perceived AET necessary and important for their health, as measured by the Belief About Medicines Questionnaire (BMQ), with the mean necessity score (20.4 ± 3.68) significantly higher than the mean concerns score (13 ± 4.81) (p < 0.001). Based on the Medication Adherence Report Scale (MARS-5), 44.4 % (n = 182) of the participants were non-adherers, out of which 63.2 % (n = 115) were unintentional and 36.8 % (n = 67) intentional non-adherers. Significantly higher concern beliefs were found among patients that were younger (p < 0.001), employed (p < 0.001), intentionally non-adherent to AET (p = 0.006), had a lower body-mass index (p = 0.005) and a higher level of education (p < 0.001), were premenopausal at the time of diagnosis (p < 0.001), taking tamoxifen treatment (p = 0.05) and receiving ovarian suppression (p < 0.001). Younger patients should be recognized as being at risk of non-adherence as they hold greater concern beliefs about medicines.https://doi.org/10.2478/acph-2023-0043breast canceradjuvant endocrine therapybeliefs about medicinesmedication adherencesociodemographic factorsclinical factorshormone-positive breast cancer survivors
spellingShingle Okroša Ana Dugonjić
Silovski Tajana
Plavetić Natalija Dedić
Silovski Hrvoje
Kovačić Ana
Mucalo Iva
Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia
Acta Pharmaceutica
breast cancer
adjuvant endocrine therapy
beliefs about medicines
medication adherence
sociodemographic factors
clinical factors
hormone-positive breast cancer survivors
title Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia
title_full Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia
title_fullStr Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia
title_full_unstemmed Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia
title_short Beliefs about medicines’ association with endocrine therapy adherence in early breast cancer survivors in Croatia
title_sort beliefs about medicines association with endocrine therapy adherence in early breast cancer survivors in croatia
topic breast cancer
adjuvant endocrine therapy
beliefs about medicines
medication adherence
sociodemographic factors
clinical factors
hormone-positive breast cancer survivors
url https://doi.org/10.2478/acph-2023-0043
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