Methotrexate nephrotoxicity in a patient with preserved renal function. Case report

Introduction: Methotrexate is a drug with chemotherapeutic properties frequently used for the treatment of certain types of cancer. The following is a clinical case which, to the best of the authors’ knowledge, is the first report in Colombia on nephrotoxicity caused by this drug and describes the...

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Bibliographic Details
Main Authors: Juan José Ríos Valbuena, Paola Karina García Padilla, Carolina Ardila Hani
Format: Article
Language:English
Published: Universidad Nacional de Colombia 2022-08-01
Series:Case Reports
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Online Access:https://revistas.unal.edu.co/index.php/care/article/view/92651
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Summary:Introduction: Methotrexate is a drug with chemotherapeutic properties frequently used for the treatment of certain types of cancer. The following is a clinical case which, to the best of the authors’ knowledge, is the first report in Colombia on nephrotoxicity caused by this drug and describes the consequences as well as the treatment provided at a quaternary care hospital. Case report: A 71-year-old patient with a diagnosis of non-Hodgkin’s lymphoma with normal renal function underwent chemotherapy (high-dose methotrexate intravenously) and developed stage 3 acute renal failure according to the KDIGO guidelines, which was most likely related to methotrexate intake. The patient received treatment with intravenous fluids and sodium bicarbonate as promoters of urine excretion of the toxin, and oral calcium folinate following the institutional protocol. The patient was discharged with recovery of kidney function and improved creatinine and urea nitrogen levels. Conclusion: The treatment given to the patient in this case report shows that although methotrexate nephrotoxicity is a potentially serious entity, it can have a good prognosis if treated promptly.
ISSN:2462-8522