The non-steroidal anti-inflammatory drug (NSAID) meloxicam is a preferential cyclooxygenase-2 (COX-2) antagonist. The UV protective potential of this drug was studied to compare it with the reported beneficial effects of such preferentially COX-1 specific NSAIDs as indomethacin and acetylsalicylic acid in the literature. In a pilot study (open-label, non-randomized, non-controlled, unblinded), 10 patients received UV irradiation with the minimal erythema dose (MED), first with meloxicam (7.5 mg/die) to reduce post-operative pain and second without ingestion of meloxicam. The factor of UV protection was evaluated. In six of ten patients meloxicam showed no benefit, whereas four of ten patients had a 1.3- up to 3-fold UV protection. In this study, the benefit in UV protection of meloxicam as a preferential COX-2 antagonist was not above the reported benefit of the "old" COX-1 inhibiting NSAIDS.
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