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Lornoxicam is a member of the oxicam group of nonsteroidal antiinflammatory drugs (NSAIDs). Oxicams have potent antiinflammatory and analgesic effects, but their use is associated with a high risk of gastrointestinal adverse effects. Lornoxicam has been shown to be at least as effective as comparative NSAIDs and more effective than 10 mg morphine when used at doses > or = 8 mg to control pain after oral surgery. In addition, oral doses of lornoxicam of 16-24 mg daily have been more effective than tramadol 300 mg daily in pain following knee surgery. Lornoxicam combines the high therapeutic potency of oxicams with an improved gastrointestinal toxicity profile as compared to naproxen, for example. This is probably due to the short half-life of lornoxicam as compared to the other oxicams. The clinical trials published so far, mostly comparative, clearly do- cument the efficacy of lornoxicam as a potent analgesic with excellent antiinflammatory properties in a range of painful and/or inflammatory conditions, including postoperative pain and rheumatoid arthritis.

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Brivudine is an analog of thymidine, and is incorporated into the viral DNA. It blocks the action of DNA polymerases, thus inhibiting viral replication. It has a stronger antiviral effect against the varicella-zoster virus compared with reference compounds such as aciclovir or penciclovir. The efficacy of brivudine has been documented in a number of clinical trials in patients with herpesvirusrelated infections, particularly in patients with herpes-zoster. At a dose of 125 mg once daily, brivudine has proved to be superior to aciclovir with respect to reducing the period of new blister production in patients with herpes-zoster, and has shortened the duration of post-herpetic neuralgia. Tolerability was equivalent to that of aciclovir or placebo, with occasional gastrointestinal disorders leading to treatment withdrawal in a minority of patients.