Severe pancytopenia after leflunomide in rheumatoid arthritis. 2000

J Auer, and M Hinterreiter, and S Allinger, and A Kirchgatterer, and P Knoflach

Leflunomide is a novel drug recently introduced for treatment of rheumatoid arthritis as a DMARD (disease-modifying antirheumatic drug). So far, leflunomide has not been associated with severe bone marrow toxicity and pancytopenia. We report of a 62-year-old woman with a 14-year history of rheumatoid arthritis with bone marrow toxicity and reversible pancytopenia developing after treatment with leflunomide.

UI MeSH Term Description Entries
D007555 Isoxazoles Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions. Isoxazole
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010198 Pancytopenia Deficiency of all three cell elements of the blood, erythrocytes, leukocytes and platelets. Pancytopenias
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000069585 Filgrastim A recombinant granulocyte colony-stimulating factor (G-CSF) that is used in the treatment and prevention of NEUTROPENIA, preparation and collection of blood progenitor cells, and for use in PERIPHERAL BLOOD STEM CELL TRANSPLANTATION. Filgrastim-sndz,G-CSF Recombinant, Human Methionyl,Granix,Neupogen,R-metHuG-CSF,Recombinant-Methionyl Human Granulocyte Colony-Stimulating Factor,Tbo-Filgrastim,Topneuter,Zarxio,G CSF Recombinant, Human Methionyl,R metHuG CSF,Recombinant Methionyl Human Granulocyte Colony Stimulating Factor,Tbo Filgrastim
D000077339 Leflunomide An isoxazole derivative that inhibits dihydroorotate dehydrogenase, the fourth enzyme in the pyrimidine biosynthetic pathway. It is used an immunosuppressive agent in the treatment of RHEUMATOID ARTHRITIS and PSORIATIC ARTHRITIS. Arava,HWA 486,HWA-486,N-(4-Trifluoromethyphenyl)-5-methylisoxazole-4-carboxamide,SU101,HWA486
D000894 Anti-Inflammatory Agents, Non-Steroidal Anti-inflammatory agents that are non-steroidal in nature. In addition to anti-inflammatory actions, they have analgesic, antipyretic, and platelet-inhibitory actions. They act by blocking the synthesis of prostaglandins by inhibiting cyclooxygenase, which converts arachidonic acid to cyclic endoperoxides, precursors of prostaglandins. Inhibition of prostaglandin synthesis accounts for their analgesic, antipyretic, and platelet-inhibitory actions; other mechanisms may contribute to their anti-inflammatory effects. Analgesics, Anti-Inflammatory,Aspirin-Like Agent,Aspirin-Like Agents,NSAID,Non-Steroidal Anti-Inflammatory Agent,Non-Steroidal Anti-Inflammatory Agents,Nonsteroidal Anti-Inflammatory Agent,Anti Inflammatory Agents, Nonsteroidal,Antiinflammatory Agents, Non Steroidal,Antiinflammatory Agents, Nonsteroidal,NSAIDs,Nonsteroidal Anti-Inflammatory Agents,Agent, Aspirin-Like,Agent, Non-Steroidal Anti-Inflammatory,Agent, Nonsteroidal Anti-Inflammatory,Anti-Inflammatory Agent, Non-Steroidal,Anti-Inflammatory Agent, Nonsteroidal,Anti-Inflammatory Analgesics,Aspirin Like Agent,Aspirin Like Agents,Non Steroidal Anti Inflammatory Agent,Non Steroidal Anti Inflammatory Agents,Nonsteroidal Anti Inflammatory Agent,Nonsteroidal Anti Inflammatory Agents,Nonsteroidal Antiinflammatory Agents

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