Robert A Hauser et al.
The Lancet. Neurology, 12(4), 346-356 (2013-03-15)
IPX066 is an oral, extended-release, capsule formulation of carbidopa-levodopa. We aimed to assess this extended-release formulation versus immediate-release carbidopa-levodopa in patients with Parkinson's disease and motor fluctuations. We did a phase 3, randomised, double-blind, double-dummy study at 68 academic and