to sum up the results of these three clinical trials , administration of l-dopa alone resulted in practically no symptomatic improvement or eeg changes in patients with chronic schizophrenia whilst vitamin b6 administered singly as pyridoxal-5'-phosphate scarcely produced significant symptomatic improvement but brought about a slight ameliorative tendency in the eeg of such patients .
C0087162
vitamin b6
C0034266
pyridoxal-5