Levodopa

Overview

Levodopa is a precursor to the neurotransmitter dopamine used to treat Parkinson's disease and dopamine-responsive dystonia. It is often combined with a peripheral decarboxylase inhibitor like carbidopa to increase its effectiveness.

API suppliers (11)

Suppliers of Levodopa backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.

• AJINOMOTO CO INC2 active DMF
• DPT Laboratories, Ltd.United States1 active DMF
• SHANDONG XINHUA PHARMACEUTICAL CO LTDChina1 active DMF
• DPT Laboratories, Ltd.United States1 active DMF
• SHANDONG XINHUA PHARMACEUTICAL CO LTDChina1 active DMF
• DPT Laboratories, Ltd.United States1 active DMF
• SHANDONG XINHUA PHARMACEUTICAL CO LTDChina1 active DMF
• PFC ITALIANA SRL DIV ALFA CHEMICALS ITALIANA
• EGIS PHARMACEUTICALS PRIVATE LTD
• Torrent PharmaceuticalsIndia
• KEY PHARMACEUTICALS INC SUB SCHERING PLOUGH CORP

Patent & exclusivity (US)

Per the FDA Orange Book (1 approved US product), the latest listed US patent on Levodopa expires 20 Oct 2033. Generic API sourcing typically opens up once these lapse.

Therapeutic areas