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The aim of present study was to identify the action of antioxidants in the treatment of cancer patients undergoing chemotherapy and / or radiotherapy. Cancer treatment includes radiotherapy and chemotherapy, which are aggressive and have side effects that can cause serious damage to the body. Studies show that antioxidants can alleviate this damage. Antioxidants are compounds that can slow or inhibit lipid oxidation or have the function of fighting free radicals, preventing inflammatory processes, improving the immune system and acting on cell reconstruction of damaged cells, as happens with cancer patients undergoing chemotherapy and / or radiotherapy. We included in this study research presented in were abstract or article from 2010 to 2019, in Portuguese and English, available in free databases and arranged in full for access, totaling 6 papers. The results show that the most studied antioxidants in the treatment of cancer patients in radiotherapy and / or chemotherapy are Vitamins A, C, D, E, besides Curcumin and Ubiquinone, although there is controversy among some studies, most of them show positive results. patient evolution, reducing mortality, improving dermatitis caused by radiotherapy. Therefore, it ́s important that more experimental studies with more types of antioxidants be carried out in view of their importance in the evolution of cancer patients. The methodology applied was an integrative literature review, through abstracts and experimental articles on the subject, available in electronic databases: PUBMED, Scientific Electronic Library OnLine (SCIELO) and National Cancer Institute (INCA).

AÇÃO DOS ANTIOXIDANTES NO TRATAMENTO DE PACIENTES ONCOLÓGICOS SUBMETIDOS A QUIMIOTERÁPIA E/OU RADIOTERÁPIA – UMA REVISÃO INTEGRATIVA