Tenoxicam concentrations in synovium and joint cartilage in humans

Agents and Actions
B BannwarthA Gaucher


Tenoxicam is an NSAID of the oxicam group. Its distribution in articular tissues was investigated in 12 patients who required total arthroplasty of the hip. They were given tenoxicam 20 mg once daily for 8 to 30 days before surgery. Blood, synovium and cartilage samples were taken concurrently during surgery, about 14 hours after the last tenoxicam dose. The tissues were ground using a freeze grinder. Tenoxicam was assayed by HPLC. Tenoxicam concentrations averaged 6.21 +/- 3.81 micrograms/ml in plasma, 7.56 +/- 4.67 micrograms/g in synovium and 2.05 +/- 1.43 micrograms/g in cartilage. The individual synovium/cartilage ratios ranged from 1.9 to 9.7. Finally tenoxicam exhibited more affinity for its target organ (synovial tissue) than for joint cartilage.


Sep 1, 1990·Journal of Pharmaceutical Sciences·F LapicqueM Wayoff
Jun 1, 1989·Agents and Actions·M Kurowski, H Thabe
Jan 10, 1986·Journal of Chromatography·P HeizmannK Zinapold
Jan 1, 1987·European Journal of Clinical Pharmacology·H SpahnI Gikalov
Jan 1, 1983·European Journal of Clinical Pharmacology·A GaucherA Gerardin

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