Therapeutic efficacy of a partial dopamine agonist in drug-free parkinsonian patients

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Abstract
Terguride, a mixed agonist-antagonist of central dopamine receptors, was administered to eight patients with Parkinson's Disease. The clinical symptomatology of all patients improved significantly. The maximum neurological effect of terguride was noted at the highest daily dose (1.2 mg) after 21 days of treatment in all subjects, with a statistically significant average of 50.6% neurological improvement on the Webster scale in respect to admission. All single scores of the Webster scale decreased significantly: swing of the arms, facial expression, bradikinesia, rigidity and gait, particularly. No significant adverse reactions were observed during treatment. Our study in drug-free parkinsonian patients demonstrated that terguride is able to improve the neurological symptoms similar to DA agonists, but without their typical side effects.