20100144886 | METHOD FOR TREATING PULMONARY ARTERIAL HYPERTENSION - The present invention is directed to methods comprising administering a composition comprising a therapeutically effective amount of (R)-verapamil, a derivative thereof, or a pharmaceutically acceptable salt thereof, wherein the composition treats, prevents and/or manages at least one condition having MT1 receptor, 5-HT2B receptor and L-type calcium channel activity and releases the (R)-verapamil, a derivative thereof or a pharmaceutically acceptable salt thereof to exhibit a co-primary activity on the MT1 receptor, the 5-HT | 06-10-2010 |