Abstract: Compositions and methods are disclosed for treating, preventing and/or ameliorating the symptoms of cancers such as breast cancer, colon cancer, ovarian cancer, lung cancer, leukemia, skin cancer, prostate cancer, throat cancer, esophageal cancer etc., where the composition includes an associated complex of a nonsteroidal, anti-inflammatory drug (NSAID) and a phospholipid and the method includes administering before or after cancer identification an anti-cancer amount of the compositions.