Drugs 2000-01-01

[Rationale for using nabumetone and clinical experience].

S H Roth

Index: Drugs 59 Spec No 1 , 35-41, (2000)

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Abstract

Nabumetone's position as one of the most commonly used nonsteroidal anti-inflammatory drugs (NSAIDs) in the world today is based upon over a decade of clinical experience. The popularity of this drug lies in both its unique pharmacokinetic profile and special safety features in pharmacodynamic terms. This nonacidic prodrug with an active 6-methoxy-2-naphthylacetic acid (6-MNA) metabolite has COX-2 preferential features and is also devoid of enterohepatic recirculation. It is felt that these characteristics have provided the basis for its unique long term tolerability, documented in various at-risk osteoarthritis and rheumatoid arthritis populations. The excellent tolerability of nabumetone and its 24-hour half-life, which provides the advantages of a once-daily dosage regimen, make it uniquely suitable for long term anti-inflammatory therapy in arthritis. The tolerability profile of nabumetone has also demonstrated clear cost-effectiveness advantages, as confirmed by comparative and epidemiological studies. Selective COX-2 NSAIDs are likely to prove more expensive because of the increasing costs and demands of clinical research prior to FDA approval. These higher costs may limit and influence patient access, depending on the healthcare delivery system, and many years of experience will be required to document the putative tolerability advantages of these newer COX-2 inhibitor agents. In the meantime, it is comforting that nabumetone has established such an advantageous tolerability profile together with acknowledged efficacy.