DUAL RELEASE LEVODOPA ETHYL ESTER AND DECARBOXYLASE IN CONTROLLED RELEASE CORE

摘要

A tablet which comprises: an inner core formulated for controlled release comprising a mixture of (a) a granulated admixture of a decarboxylase inhibitor and a surfactant, and (b) levodopa ethyl ester or a derivative or a pharmaceutically acceptable salt thereof; and an outer layer encapsulating the inner core and formulated for immediate release comprising a mixture of a granulated decarboxylase inhibitor and levodopa ethyl ester or a derivative or a pharmaceutically acceptable salt thereof. The subject invention also encompasses a method of treating patients suffering from Parkinson's disease or related disorders by the administration of the pharmaceutical compositions of the subject invention. Additionally, the subject invention provides methods of manufacturing the tablets of the subject invention.