alexa Biological rhythms in the inflammatory response and in the effects of non-steroidal anti-inflammatory drugs.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Labrecque G, Bureau JP, Reinberg AE

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Abstract It is well known that some signs and symptoms of rheumatoid arthritis (RA) vary within a day and between days, and the morning stiffness observed in RA patients has become one of the diagnostic criteria of the disease. Research carried out in the last 10 years confirmed these clinical observations, and circadian, circaseptan or circannual variations were detected in experimental inflammation and in patients with arthritis diseases. The human data showed also that large interindividual differences can be found in the symptoms of RA. The chronopharmacological studies carried out with the non-steroidal anti-inflammatory drugs (NSAID) revealed circadian and circannual variations in the effectiveness, toxicity and pharmacokinetics of NSAID. A review of the available data suggests that peak and trough values found in different arthritic diseases do not occur at the same hour of the day and that the side effects produced by NSAID are more important after the morning than the evening administration. This information should be used by clinicians to determine when to administer drugs to arthritic patients, to optimize the effectiveness of NSAID and/or to reduce the side effects of these drugs. These new data could also be useful to physicians who would like to individualize NSAID use in patients with different arthritic diseases.
This article was published in Pharmacol Ther and referenced in Journal of Cell Science & Therapy

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