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1.
Arq Neuropsiquiatr ; 63(2A): 327-9, 2005 Jun.
Article in English | MEDLINE | ID: mdl-16100984

ABSTRACT

Mitoxantrone (MX) is an immunosupressant drug used in secondarily progressive multiple sclerosis (SPMS) and in relapsing-remitting multiple sclerosis (RRMS). It has a leukemogenesis potential induced by cytogenetic abnormalities, though with a low incidence. Promyelocitic leukaemia (type M3) and other forms of acute myeloblastic leukaemias (M4 and M5) have been described in a few MS patients who received MX during their treatment. We describe a white female patient, 47 year-old, with SPMS (EDSS = 4) with 14 years of disease. She received MX during her disease and developed acute promyelocytic leukaemia (M3), with severe thrombocytopenia 30 months later. She ultimately died due to intracerebral hemorrhage. Other cases of treatment related to AML are reviewed and discussed.


Subject(s)
Immunosuppressive Agents/adverse effects , Leukemia, Promyelocytic, Acute/chemically induced , Mitoxantrone/adverse effects , Fatal Outcome , Female , Humans , Immunosuppressive Agents/therapeutic use , Middle Aged , Mitoxantrone/therapeutic use , Multiple Sclerosis/drug therapy
2.
Arq. neuropsiquiatr ; Arq. neuropsiquiatr;63(2a): 327-329, jun. 2005.
Article in English | LILACS | ID: lil-403032

ABSTRACT

Mitoxantrone (MX) é uma agente imunossupressor utilizado nas formas progressivas secundárias de esclerose múltipla (EM) ou formas surto-remissão sem resposta com outras formas de tratamento (p.ex. beta-interferon, acetato de glatirâmer). Com o uso desta medicação, ocorre uma incidência maior, embora pequena, de desenvolvimento de leucemia mielóide aguda induzida por quimioterápicos. Descrevemos o caso de uma paciente com forma progressiva secundária de EM, submetida a uma dose única de MX de 15mg e que 30 meses após desenvolveu quadro fulminante de leucemia promieloblástica aguda (M3), com trombocitopenia grave. A paciente faleceu por hemorragia intracerebral maciça. É feita revisão de outros casos relatados na literatura e os possíveis mecanismos de desenvolvimento desta complicação grave secundária ao uso do MX.


Subject(s)
Female , Humans , Middle Aged , Immunosuppressive Agents/adverse effects , Leukemia, Promyelocytic, Acute/chemically induced , Mitoxantrone/adverse effects , Fatal Outcome , Immunosuppressive Agents/therapeutic use , Mitoxantrone/therapeutic use , Multiple Sclerosis/drug therapy
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