Table 2.

Medications taken by the patients during the study.

PD groups	N.	Levodopa	Dopamine agonists			MAO-inhibitors
			Pramipexole	Ropinirole	Rotigotine	Rasagiline
Placebo
	1	+		+		+
	2	+		+
	3	+		+
	4	+		+
	5	+	+			+
	6	+		+
	7	+				+
	8	+
Experimental
	1	+				+
	2	+	+			+
	3	+	+
	4	+
	5	+			+
	6	+	+
	7	+	+			+

PD, Parkinson’s disease; N., patient’s number; MAO-inhibitors, monoamine oxidase inhibitors.