Bridging the age gap in breast cancer: impact of chemotherapy on quality of life in older women with early breast cancer

Battisti, Nicolo` Matteo Luca, Reed, Malcolm W R, Herbert, Esther, Morgan, Jenna L, Collins, Karen A, Ward, Sue E, Holmes, Geoffrey R, Bradburn, Michael, Walters, Stephen J, Burton, Maria, Lifford, Kate, Edwards, Adrian, Robinson, Thompson G, Martin, Charlene, Wright, Juliet and others, (2021) Bridging the age gap in breast cancer: impact of chemotherapy on quality of life in older women with early breast cancer. European Journal of Cancer, 144. pp. 269-280. ISSN 0959-8049

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Older patients with early breast cancer (EBC) derive modest survival benefit from chemotherapy but have increased toxicity risk. Data on the impact of chemotherapy for EBC on quality of life in older patients are limited, but this is a key determinant of treatment acceptance. We aimed to investigate its effect on quality of life in older patients enrolled in the Bridging the Age Gap study.

Materials and methods
A prospective, multicentre, observational study of EBC patients ≥70 years old was conducted in 2013–2018 at 56 UK hospitals. Demographics, patient, tumour characteristics, treatments and adverse events were recorded. Quality of life was assessed using the European Organisation for Research and Treatment of Cancer Quality-of-Life Questionnaires (EORTC-QLQ) C30, BR23 and ELD 15 plus the Euroqol-5D (eq-5d) over 24 months and analysed at each time point using baseline adjusted linear regression analysis and propensity score-matching.

Three thousand and four hundred sixteen patients were enrolled in the study; 1520 patients undergoing surgery and who had high-risk EBC were included in this analysis. 376/1520 (24.7%) received chemotherapy. At 6 months, chemotherapy had a significant negative impact in several EORTC-QLQ-C30 domains, including global health score, physical, role, social functioning, cognition, fatigue, nausea/vomiting, dyspnoea, appetite loss, diarrhoea and constipation. Similar trends were documented on other scales (EORTC-QLQ-BR23, EORTC-QLQ-ELD15 and EQ-5D-5L). Its impact was no longer significant at 18–24 months in unmatched and matched cohorts.

The negative impact of chemotherapy on quality-of-life is clinically and statistically significant at 6 months but resolves by 18 months, which is crucial to inform decision-making for older patients contemplating chemotherapy.

Item Type: Article
Keywords: Adjuvant chemotherapy, Breast cancer, Older patients, Quality of life
Schools and Departments: Brighton and Sussex Medical School > Clinical and Experimental Medicine
SWORD Depositor: Mx Elements Account
Depositing User: Mx Elements Account
Date Deposited: 16 Jul 2021 14:25
Last Modified: 16 Jul 2021 14:30

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