Selective Cyclooxygenase-2 Inhibitors and Non-small Cell Lung Cancer

Author(s): C. Gridelli, P. Maione, G. Airoma, A. Rossi

Journal Name: Current Medicinal Chemistry

Volume 9 , Issue 21 , 2002

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Lung cancer is the leading cause of death from cancer in most developed nations. The most common type of lung cancer is of non-small cell histology, representing approximately 80% of the total. Despite aggressive treatments in early stages and improvement of polychemotherapy outcomes in advanced disease, the five years survival rate for lung cancer remains under 15%. Fortunately, our improved knowledge of tumor biology and mechanisms of oncogenesis suggests several new potential targets for clinical research in cancer therapy. A substantial body of evidence indicates that cyclooxigenase (COX)-2 and prostaglandins (PGs) play an important role in tumorigenesis. Mechanisms involved in COX-2 participation in tumorigenesis and tumor growth include xenobiotic metabolism, angiogenesis stimulation, inhibition of immune surveillance and inhibition of apoptosis. COX-2 is frequently overexpressed in bronchial premalignancy, lung adenocarcinoma and squamous cell carcinoma and COX-2 overexpression is a marker of poor prognosis in surgically resected stage I non-small cell lung cancer. Treatment with COX-2 inhibitors reduces the growth of NSCLC cells in vitro and in xenograft studies. Recent studies have defined some of the mechanisms involved in COX-2 participation in NSCLC development and diffusion. These evidences support the hypothesis that selective COX-2 inhibitors (coxibs) may prove beneficial in the prevention and treatment of NSCLC.

Keywords: non-small cell lung cancer, cyclooxygenase-2, selective cyclooxygenase-2 inhibitors, chemotherapy, chemoprevention

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Article Details

Year: 2002
Page: [1851 - 1858]
Pages: 8
DOI: 10.2174/0929867023368863
Price: $65

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