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KI0898Piroxicam1 g$88

Chemical Characteristic

Product NamePiroxicam
SynonymsFeldene, Roxam
CAS No.36322-90-4
Molecular Weight 331.35
FormulaC15H13N3O4S
Chemical Structure

Biological activities

Piroxicam is a highly selective inhibitor of COX-1.[1] Piroxicam is a non-steroidal anti-inflammatory drug of the oxicam class. Piroxicam is used to relieve the symptoms of rheumatoid and osteoarthritis, primary dysmenorrhoea, postoperative pain, and act as an analgesic, especially where there is an inflammatory component. The IC50 of piroxicam is 0.5 µM against COX-1. Piroxicam inhibits COX2 with an IC50 value of 4.4 µM.[2] In canine cell cultures (Madin-Darby canine kidney cells, osteosarcoma, mammary carcinoma, and lymphoma), piroxicam inhibits cell proliferation in a dose-dependent manner.[3] In vitro cytotoxicity assays against 4 canine tumor cell lines, piroxicam shows no direct antitumor effects. In vivo, piroxicam (0.3 mg/kg p.o) treatment has antitumor activity in dogs with histopathologically confirmed, measurable, nonresectable transitional cell carcinoma of the urinary bladder.[4]

References

[1] Mitchell JA, et al. Cyclooxygenase-2: regulation and relevance in inflammation. Biochem Pharmacol. 1995, 50(10): 1535-1542. 閵嗏偓閵嗏偓
[2] Blanco FJ, et al. Effect of antiinflammatory drugs on COX-1 and COX-2 activity in human articular chondrocytes. J Rheumatol. 1999, 26(6): 1366-1373. 閵嗏偓閵嗏偓
[3] Knottenbelt C, et al. The in vitro effects of piroxicam and meloxicam on canine cell lines. J Small Anim Pract. 2006, 47(1): 14-20. 閵嗏偓閵嗏偓
[4] Knapp DW, et al. Piroxicam therapy in 34 dogs with transitional cell carcinoma of the urinary bladder. J Vet Intern Med. 1994, 8(4): 273-278. 閵嗏偓閵嗏偓

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