Levodopa/Carbidopa Enteral Suspension: A Review in Advanced Parkinson’s Disease

An enteral suspension (ES)/intestinal gel formulation of levodopa/carbidopa (hereafter referred to as levodopa/carbidopa ES) [Duodopa® (EU); Duopa™ (USA)] has been developed to overcome the fluctuating plasma levodopa concentrations associated with oral levodopa/carbidopa formulations. In various countries, including those of the EU (under the Mutual Recognition Procedure), it is approved for the treatment of advanced levodopa-responsive...