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Evaluation of the systemic and therapeutic repercussions caused by drug interactions in oncology patients
Monteiro, Camila Ribeiro de Arruda; Schoueri, Jean Henri Maselli; Cardial, Debora Terra; Linhares, Lívia de Castro; Turke, Karine Corcione; Steuer, Lia Vineyard; Menezes, Levy Werneck de Almeida; Argani, Igor Luiz; Sette, Claudia; Cubero, Daniel de Iracema Gomes; Giglio, Auro del.
  • Monteiro, Camila Ribeiro de Arruda; Faculty of Medicine of ABC. Santo André. BR
  • Schoueri, Jean Henri Maselli; Faculty of Medicine of ABC. Santo André. BR
  • Cardial, Debora Terra; Faculty of Medicine of ABC. Santo André. BR
  • Linhares, Lívia de Castro; Faculty of Medicine of ABC. Santo André. BR
  • Turke, Karine Corcione; Faculty of Medicine of ABC. Santo André. BR
  • Steuer, Lia Vineyard; Faculty of Medicine of ABC. Santo André. BR
  • Menezes, Levy Werneck de Almeida; Faculty of Medicine of ABC. Santo André. BR
  • Argani, Igor Luiz; Faculty of Medicine of ABC. Santo André. BR
  • Sette, Claudia; Faculty of Medicine of ABC. Santo André. BR
  • Cubero, Daniel de Iracema Gomes; Faculty of Medicine of ABC. Santo André. BR
  • Giglio, Auro del; Faculty of Medicine of ABC. Santo André. BR
Rev. Assoc. Med. Bras. (1992) ; 65(5): 611-617, May 2019. tab
Article in English | LILACS | ID: biblio-1012956
ABSTRACT
SUMMARY

INTRODUCTION:

Drug interaction is an important cause of global morbidity. It is of particular importance in cancer patients since they are often in use of polypharmacy, related to interactions between the drugs and the chemotherapeutics used.

OBJECTIVE:

To evaluate the drug interaction between chemotherapy and other drugs in cancer patients.

METHODS:

a cross-sectional study carried out in the outpatient oncology department of a public tertiary hospital. Two hundred thirty-five patients were included, and the drugs they were using were identified. Using the MedScape and Epocrates database, we evaluated the interactions between medications and chemotherapy by defining their frequency and dividing their severity from interaction into mild, close monitoring necessity and severe.

RESULTS:

161 patients had some drug interaction. We identified 9 types of mild interactions, 23 types of interactions with close monitoring necessity, and 2 types of serious interactions. The most frequent interactions were between fluorouracil and leucovorin (32 cases) and cyclophosphamide and doxorubicin (19 cases). Serious interactions were between aspirin and pemetrexed; and leucovorin and Bactrim.

CONCLUSION:

In the present study, drug interactions were frequent, including serious interactions with a potential increase in morbidity and mortality. Thus, it is necessary for oncologists to draw up a therapeutic plan considering potential interactions between prescribed chemotherapy and current medications in use by patients.
RESUMO
RESUMO

INTRODUÇÃO:

Interação medicamentosa é uma importante causa de morbidade mundial. Apresenta especial importância em pacientes oncológicos, pois esses frequentemente estão em uso de polifarmácia, podendo haver interações entre os medicamentos e os quimioterápicos utilizados.

OBJETIVO:

Avaliar a interação medicamentosa entre a quimioterapia e outros medicamentos em pacientes oncológicos.

MÉTODOS:

Estudo transversal realizado em serviço ambulatorial de oncologia de um hospital público terciário. Foram incluídos 235 pacientes, identificando-se quais medicamentos eram utilizados por eles. Por meio do auxílio do banco de dados do MedScape e Epocrates, avaliaram-se as interações entre as medicações e os quimioterápicos, definindo sua frequência e dividindo sua gravidade da interação em leve, monitorização próxima e grave.

RESULTADOS:

Do total estudado, 161 pacientes apresentavam alguma interação medicamentosa, sendo nove tipos de interações leves, 23 tipos de interações com necessidade de monitorização próxima e dois tipos de interações graves. As interações mais frequentes foram entre fluoracil e leucovorin (32 casos) e ciclofosfamida e doxorrubicina (19 casos). As interações sérias foram entre aspirina e pemetrexed; e leucovorim e bactrim.

CONCLUSÃO:

No presente trabalho, interações medicamentosas foram frequentes, incluindo interações graves com potencial aumento de morbimortalidade. Assim, faz-se necessário que oncologistas tracem um plano terapêutico levando em consideração as possíveis interações medicamentosas entre a quimioterapia prescrita e demais medicações em uso pelos pacientes.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Drug Interactions / Drug-Related Side Effects and Adverse Reactions / Antineoplastic Agents Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculty of Medicine of ABC/BR

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Full text: Available Index: LILACS (Americas) Main subject: Drug Interactions / Drug-Related Side Effects and Adverse Reactions / Antineoplastic Agents Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculty of Medicine of ABC/BR