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01-06-2018 | Review

Interventions to improve endocrine therapy adherence in breast cancer survivors: what is the evidence?

Authors: Ekim Ekinci, Salima Nathoo, Thushara Korattyil, Aisha Vadhariya, Hanna A. Zaghloul, Polly A. Niravath, Susan M. Abughosh, Meghana V. Trivedi

Published in: Journal of Cancer Survivorship | Issue 3/2018

Abstract

Purpose

Endocrine therapy reduces the risk of breast cancer recurrences and mortality in hormone receptor-positive (HR+) breast cancer survivors. However, non-adherence to treatment remains a significant problem. The aim of this study was to review current literature and ongoing trials to identify interventions employed to improve adherence to adjuvant endocrine therapy (AET) in breast cancer survivors.

Methods

We searched PubMed and the National Library of Medicine registry of clinical trials using the terms “breast cancer” and “adherence” or “compliance” and “intervention” and “medication” or “endocrine therapy” or “hormone therapy” to identify published studies as well as ongoing clinical trials.

Results

Three hundred and sixty-three studies were identified; five studies met the inclusion criteria. Most studies enrolled postmenopausal women diagnosed with early stage HR+ breast cancer. Providing educational materials was the most common intervention implemented to improve adherence to one or more aromatase inhibitors. None of the studies found a significant improvement in adherence with the intervention evaluated. Twelve clinical trials investigating various interventions, mostly based on technology, to improve AET adherence were also identified.

Conclusions

Improving adherence to AET in HR+ breast cancer survivors is an urgent medical need. While newer clinical trials are overcoming some of the limitations seen with published studies, tailored interventions led by clinicians need further investigation.

Implications for cancer survivors

Our study highlights the unmet clinical need to develop and test feasible interventions to improve AET adherence in HR+ breast cancer survivors to extend their long-term survival.

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Title: Interventions to improve endocrine therapy adherence in breast cancer survivors: what is the evidence?
Authors: Ekim Ekinci
Salima Nathoo
Thushara Korattyil
Aisha Vadhariya
Hanna A. Zaghloul
Polly A. Niravath
Susan M. Abughosh
Meghana V. Trivedi
Publication date: 01-06-2018
Publisher: Springer US
Published in: Journal of Cancer Survivorship / Issue 3/2018
Print ISSN: 1932-2259
Electronic ISSN: 1932-2267
DOI: https://doi.org/10.1007/s11764-017-0674-4

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Abstract

Purpose

Methods

Results

Conclusions

Implications for cancer survivors

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