Sales of drugs to treat Parkinson’s disease in seven major markets will decline slightly, from a total $2.7 billion in 2010 to $2.6 billion in 2020, as key treatments lose patent protection, say new forecasts.
The major therapies on which patents are set to expire by 2020 are Novartis/Orion Pharma’s Comtan/Comtess/Stalevo (carbidopa/levodopa/entacapone) and Teva/Lundbeck’s Azilect/Agilect (rasagiline), according to the study, from Decision Resources.
Also facing increasing generic competition will be ropinirole (GlaxoSmithKline’s Requip and GSK/SkyePharma’s Requip XL/LP/RP/Modutab/Prolib) and pramipexole (Boehringer Ingelheim’s Mirapex/Mirapexin/Sifrol/BI-Sifrol and Mirapex ER/Mirapexin ER/Sifrol Retard), it adds. Click here to read the rest of the article.

