2014
DOI: 10.1016/j.rbr.2014.03.011
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Leucopenia grave em paciente com artrite reumatoide tratada com combinação de metotrexato e leflunomida

Abstract: A rheumatoid arthritis patient was treated for two years with methotrexate and leflunomide combination therapy. The evolution was uneventful until she had clopidogrel, simvastatin, isosorbide, aspirin and omeprazole added to medication due to acute myocardial infarction. Four weeks after this, she was hospitalized with severe leukopenia.

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Cited by 12 publications
(4 citation statements)
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“…Second, bone marrow depression has been recorded in regimens of both MTX and LEF as reported in literature. [56] Third, discontinuation of MTX and LEF combination therapy and the use of symptomatic treatment resulted in marked improvement of our patient's condition, suggesting that a drug-related adverse reaction had occurred. Fourth, although other concomitant agents, such as celecoxib, can cause gastrointestinal damage and increase bleeding risk,[9] hematologic toxicity associated with celecoxib has not been reported thus far.…”
Section: Discussionmentioning
confidence: 84%
See 1 more Smart Citation
“…Second, bone marrow depression has been recorded in regimens of both MTX and LEF as reported in literature. [56] Third, discontinuation of MTX and LEF combination therapy and the use of symptomatic treatment resulted in marked improvement of our patient's condition, suggesting that a drug-related adverse reaction had occurred. Fourth, although other concomitant agents, such as celecoxib, can cause gastrointestinal damage and increase bleeding risk,[9] hematologic toxicity associated with celecoxib has not been reported thus far.…”
Section: Discussionmentioning
confidence: 84%
“…[2] The most commonly reported adverse events related to MTX and LEF, namely, diarrhea, nausea, alopecia, rash, headache, and elevated plasma liver enzyme are generally mild to moderate and resolve without complications. [3] However, serious adverse drug reactions (SADRs) such as liver disease,[4] pancytopenia,[5] and severe leukopenia, in addition to opportunistic infections and toxic epidermal necrolysis,[67] can result in discontinuation of therapy or hospitalization. Here, we described the first case, to our knowledge, of a 60-year-old male patient with RA who developed severe bone marrow suppression accompanying pulmonary infection and hemorrhage of the digestive tract associated with low-dose MTX and LEF combination therapy.…”
Section: Introductionmentioning
confidence: 99%
“…Outros estudos, também, demonstraram que as combinações de DMCDs são mais efetivas do que a monoterapia, assim como os agentes biológicos são mais efetivos quando associados aos DMCDs, em particular o MTX, o que justifica a estratégia de combinação de DMCDs ou biológicos encontrados na maior parte dos pacientes da nossa amostra (Ganna, 2014a;Toth, 2014;Silva et al, 2005).…”
Section: Discussionunclassified
“…Já o MTX opera por meio de vários mecanismos, inclusive por inibição da biossíntese das purinas, inibição da síntese das poliaminas celulares, modulação da atividade das citosinas, liberação de adenosina e ativação da apoptose celular (David et al, 2013). O sinergismo potencial já observado em estudos in vitro, sugere que a combinação de MTX + LFN possa ser útil no tratamento para AR (Toth, & Bernd, 2014). No entanto, a associação do MTX com a LEF é considerada arriscada, pela possibilidade de somatória das toxicidades hepática, pulmonar e medular de ambas as drogas, sendo formalmente contraindicada nos EUA (David et al, 2013;Fernandes et al, 2005).…”
Section: No Estudo Deunclassified