PREVALENCE OF POLYPHARMACY IN ELDERLY PATIENTS UNDERGOING CAPECITABINE AND OXALIPLATIN THERAPY

Autores

DOI:

https://doi.org/10.35572/ecs.v12i2.737

Palavras-chave:

colorectal neoplasms, stomach neoplasms, polypharmacy, health of the elderly, drug interactions

Resumo

Advanced age is a risk factor for Gastric and colorectal cancer development. Chemotherapy combining oral capecitabine and intravenous oxaliplatin (XELOX) is a therapeutic strategie for these cancer types. Polypharmacy is defined as the use of four or more medications by a patient and is more prevalent among older adults with cancer compared to older adults without cancer. The objective of this study is to identify polypharmacy and the use of potentially inappropriate medications (PIMs) in older patients undergoing XELOX. This is a retrospective and prospective longitudinal analytical. Data were collected from the pharmacotherapeutic follow-up forms of patients aged 60 years or older, with a confirmed diagnosis of gastric or colorectal cancer.  A total of 22 patients met the inclusion criteria. All study participants presented polypharmacy. After oncologic and supportive drugs, the most frequently used medications were antihypertensives (81.8%), psychotropics (40.9%), and antidiabetics (31.8%). The study showed that 82% of patients used at least one PIM. A total of 89 potential drug interactions were identified. Total number of medications used by patients was positively associated with PIM use and the number of drug interactions. Pharmacists can help minimize harmful polypharmacy and the impact of multiple medication use in older cancer patients.

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Publicado

05-11-2025

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CARVALHO RIBEIRO PEREIRA, Livia; FALZONI DA CRUZ SIMÕES , Caroline; DE LIMA MACEDO , Gabrielli; DE ALMEIDA RIBEIRO, Ana Claudia; AMORIM NOGUEIRA , Thaísa. PREVALENCE OF POLYPHARMACY IN ELDERLY PATIENTS UNDERGOING CAPECITABINE AND OXALIPLATIN THERAPY. Educação, Ciência e Saúde (ISSN 2358-7504), Cuité, Paraíba, Brasil, v. 12, n. 2, 2025. DOI: 10.35572/ecs.v12i2.737. Disponível em: https://periodicos.ces.ufcg.edu.br/periodicos/index.php/99cienciaeducacaosaude25/article/view/737. Acesso em: 6 nov. 2025.

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