IMPPAT Phytochemical information: 
Catechol
Catechol
Clinical trials
Public title (as per ICTRP)Scientific title (as per ICTRP)Trial identifier
A DOUBLE-BLIND, RANDOMISED, PLACEBO-CONTROLLED, CROSS-OVER STUDY TO INVESTIGATE THE TOLERABILITY AND EFFECT OF THREE SINGLE-DOSE REGIMENS OF BIA 9-1067 ON THE LEVODOPA PHARMACOKINETICS, MOTOR RESPONSE, AND ERYTHROCYTE SOLUBLE CATECHOL-O-METHYLTRANSFERASE ACTIVITY IN PARKINSON'S DISEASE PATIENTS CONCOMITANTLY TREATED WITH LEVODOPA/DOPA-DECARBOXYLASE INHIBITORA DOUBLE-BLIND, RANDOMISED, PLACEBO-CONTROLLED, CROSS-OVER STUDY TO INVESTIGATE THE TOLERABILITY AND EFFECT OF THREE SINGLE-DOSE REGIMENS OF BIA 9-1067 ON THE LEVODOPA PHARMACOKINETICS, MOTOR RESPONSE, AND ERYTHROCYTE SOLUBLE CATECHOL-O-METHYLTRANSFERASE ACTIVITY IN PARKINSON'S DISEASE PATIENTS CONCOMITANTLY TREATED WITH LEVODOPA/DOPA-DECARBOXYLASE INHIBITOREUCTR2008-003869-72-PT
Pharmacokinetics of Levodopa/Carbidopa Infusion With and Without Oral Catechol-O-methyl Transferase (COMT) InhibitorsPharmacokinetics of Levodopa in Patients With Parkinson's Disease Treated With Levodopa/Carbidopa Infusion With and Without Oral COMT InhibitorsNCT00906828
The Role of COMT (Catechol-O-Methyltransferase) Inhibition in Treating Non-Motor Fluctuations in Parkinson’s DiseaseThe Role of COMT (Catechol-O-Methyltransferase) Inhibition in Treating Non-Motor Fluctuations in Parkinson’s DiseaseACTRN12606000046505