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Leflunomide, sold under the brand name Arava among others, is an immunosuppressive disease-modifying antirheumatic drug , [8] used in active moderate-to-severe rheumatoid arthritis and psoriatic arthritis. It is a pyrimidine synthesis inhibitor that works by inhibiting dihydroorotate dehydrogenase. [9] Bottle of Leflunomide (Arava) and tablet
csDMARDs are the traditional drugs (such as methotrexate, sulfasalazine, leflunomide, hydroxychloroquine, gold salts) tsDMARDs are drugs that were developed to target a particular molecular structure; biological (bDMARD) can be further separated into original and biosimilar DMARDs (boDMARDs and bsDMARDs)
The most commonly used agent is methotrexate with other frequently used agents including sulfasalazine and leflunomide. [8] Leflunomide is effective when used from 6–12 months, with similar effectiveness to methotrexate when used for 2 years. [119] Sulfasalazine also appears to be most effective in the short-term treatment of rheumatoid ...
Leflunomide is an isoxazole-derivative drug. Examples of AAS containing the isoxazole ring include danazol and androisoxazole. A number of pesticides are isoxazoles. [10] Isoxaben is an example of an isoxazole used as a herbicide.
This is considered a simple structural modification and a technically simple one-step synthetic transformation. Upon oral administration of leflunomide in vivo, the isoxazole ring of leflunomide is opened and teriflunomide is formed. [15] Teriflunomide is the only active metabolite of leflunomide, completely responsible for its therapeutic actions.
In pharmacologic (supraphysiologic) doses, glucocorticoids, such as prednisone, dexamethasone, and hydrocortisone are used to suppress various allergic, inflammatory, and autoimmune disorders.
ATC code M01 Anti-inflammatory and antirheumatic products is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products.
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