Im 2002.

Methods	Randomised double‐blind parallel group study. Method of randomisation not stated. Multi‐centred, South Korea. Method of data analysis not stated. Duration: 2 months
Participants	197 patients, no withdrawals noted. No baseline characteristics available. Inclusion criteria: PD patients experiencing end‐of‐dose deterioration.
Interventions	Patients recieved entacapone (dose not given; n=98) or placebo (n=99) as an adjunct to levodopa (with each dose?).
Outcomes	'On' time 'Off' time Levodopa dose Total UPDRS UPDRS motor CGI Adverse events
Notes	ENTACAPONE Abstract only Dose not given
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear