▁L otti ▁showed ▁that ▁the ▁use ▁of ▁the ▁L - form ▁of ▁car bid op a , ▁further ▁reduced ▁the ▁th era pe ut ic ▁do se ▁of ▁L - DO PA . ▁The ▁combination ▁of ▁L - car bid op a ▁and ▁L - DO PA ▁was ▁market ed ▁under ▁the ▁brand ▁name ▁of ▁Sin emet . ▁ ▁Society ▁and ▁culture ▁ ▁Cost ▁It ▁is ▁available ▁as ▁a ▁generic ▁medic ation ▁and ▁is ▁moder ately ▁expensive . ▁G lob ally , ▁the ▁wh oles ale ▁price ▁of ▁the ▁medic ation ▁is ▁about ▁US $ 1 . 8 0 ▁to ▁$ 3 . 0 0 ▁a ▁month . ▁In ▁the ▁United ▁States ▁a ▁month ' s ▁supply ▁is ▁about ▁$ 5 0 ▁to ▁$ 1 5 0 . ▁ ▁Names ▁ ▁The ▁generic ▁name ▁under ▁the ▁B AN ▁system ▁is ▁Co - care ld op a . ▁ ▁It ▁is ▁sold ▁under ▁several ▁brand ▁names , ▁including ▁Sin emet ▁( Mer ck ▁Sh arp ▁& ▁D oh me ▁Limited ), ▁Ph arm ac op a , ▁At am et , ▁A po - Le v oc ar b , ▁Du od op a , ▁Kin son , ▁and ▁Ph arm ac op a , ▁among ▁others . ▁ ▁Ext ended - release ▁form ulations ▁are ▁sold ▁as ▁R yt ary ▁and ▁Sin emet - CR . ▁An ▁extended - release ▁enter al ▁solution ▁is ▁sold ▁as ▁Du op a . ▁ ▁Short ages ▁In ▁ 1 9 9 1 , ▁Mer ck ▁lic