TY - BOOK AU - Amro Hefnawy Mohamed Hefnawy AU - Ashraf Mustafa Kamal Hassan Abadi , TI - Modulating celecoxib activity towards phosphodiesterase 5 inhibition rather than cyclooxygenase inhibition and evaluating its correlation to anticancer activity / PY - 2013/// CY - Cairo : PB - Amro Hefnawy Mohamed Hefnawy , N1 - Thesis (M.Sc.) - German University - Faculty of Postgraduate Studies and Scientific Research - Department of Pharmaceutical Chemistry N2 - Selective COX-2 inhibitors were introduced as safer alternatives to NSAIDs with less gastrointestinal side effects. Celecoxib, Rofecoxib and valdecoxib were the most widely used COX-2 inhibitors. Unfortunately, it was found that the use of selective COX-2 inhibitors is associated with increased cardiovascular risk. By 2011, celecoxib was the only selective COX-2 inhibitors to remain available in the market as it showed better cardiovascular safety UR - http://172.23.153.220/th.pdf ER -