The U.S. Food and Drug Administration has approved AstraZeneca’s once-daily Extended-Release Tablets, SEROQUEL XR (quetiapine fumarate) for the acute treatment of episodes of depression and mania related to bipolar disorder. In the long term, patients suffering from this disease may experience depressive symptoms as long as three times to that of manic symptoms. It must be noted that this is the first such medication approved buy the regulatory authority for treating the serious psychiatric illness.