EPIMIOLOGIC PROFILE OF OCTAGENARIANS TREATED IN TWO DIFFERENT PRIVATE HEALTH INSTITUTIONS IN FEDERAL DISTRICT, BRAZIL

Introduction: The aging population is a phenomenon that takes place worldwide, nonetheless some countries that had never a huge elderly population will face out a major change in its population aging distribution, likewise what Brazil is facing nowadays. In this context, it will be more frequent that elderly people will harbor chronic diseases, like cancer. This will make the diagnosis of cancer more common even in very elderly patients. Objectives: Report the epidemiologic profile of patients 80 years-old or above treated in two private health institutions located in Federal District, showing the more frequent tumor types diagnosed, age at diagnosis, therapeutic objectives. The data of all patients that had received any systemic treatment for any oncologic condition between 2013 and 2019 are reported. Methods: Data of all patients that had received any systemic treatment for any oncologic condition, by any route between 2013 and 2019 in the Cancer Center of Brasilia and Cancer Hospital Anchieta were collected and specific information regarding age ate diagnosis, tumor type, tumor staging, sex were extracted for this analysis. Results: 162 different patients were identified according to the search performed. Nevertheless, 5 patiens were excluded of the report either because of a lack of minimal data available, either for the absence of a cancer diagnosis confirmation. Among 157 patients, there was a slight predominance of women (53,%% vs 46,5%). 75,5% of the population had 80 85 yo, 22,2% 86 90 yo and 3,3% had 91 yo and above (range: 80 100 yo). The majority of patients had a localized disease (50,2%) and 41,4 had stage IV disease. The most common tumors were gastrointestinal tumors, followed by hematologic malignancies, prostate cancer, breast, lung and bladder cancer, respectively. Conclusion: Few series report the profile of elderly patients. This data had a huge amount of very old patients and it was possible to notice a different type of the most prevalent conditions in this group, differently what is seen in younger counterparts. Notedly, this higher frequency of hematologic conditions is noteworthy. Finally, a slight predominance of female elderly patients, likewise a great proportion of patients with stage IV disease is somewhat different what is its usually seen in the general population treated in private health institutions in Brazil.