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Compositions for Treatment of Cancer and Inflammation

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Celecoxib (Celebrex, Pfizer, NY, USA) is a worldwide top branded COX-2-specific inhibitor. It was shown to provide relief of arthritic pain and inflammation and has recently been under investigation for the prevention and treatment of cancer. However, recent studies showed that long term use of high doses of celecoxib is associated with an increased cardiovascular toxicity. We discovered that the addition of curcumin, a natural COX-2 inhibitor, to celecoxib synergistically (up to 1000%) augments the growth inhibitory effects of celecoxib in in-vitro and in-vivo models of arthritis and cancer, thus rendering effective action of the drug at up to tenfold lower dose. This may pave the way for a novel strategy to treat arthritis and cancer because its effect [1] can be achieved in the serum of patients receiving standard anti-inflammatory or anti-neoplastic dosages of celecoxib, and [2] involves a regimen with a very low profile of side effects. Preliminary data suggest that the combination is not limited only to celecoxib and that addition of curcumin to other NSAIDs such as sulindac, synergistically augments neoplastic cell growth inhibition. Based on these finding we received an IRB approval to evaluate celecoxib+curcumin in patients with osteoarthritis, pancreatic cancer and metastatic CRC. We hope to complete these novel human clinical trials, in 12-18 months.





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Keywords: COX-2; Celecoxib; Colorectal cancer; Curcumin; synergism

Document Type: Research Article

Publication date: 01 January 2008

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  • Recent Patents on Anti-Cancer Drug Discovery publishes review articles on recent patents in the field of anti-cancer drug discovery e.g. novel bioactive compounds, analogs & targets. A selection of important and recent patents on anti-cancer drug discovery is also included in the journal. The journal is essential reading for all researchers involved in anti-cancer drug design and discovery.
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