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This database contains 5 studies, archived under the term: "dopamine"

No effect of donepezil on striatal dopamine release in mild to moderate Alzheimer’s disease

Objective: Work in experimental animals suggests that an interaction with dopaminergic networks might explain some of the therapeutic effects of the cholinesterase inhibitor class of drugs. This study aimed to test whether acute (single 5 mg) or 4–8 weeks (5–10 mg) of treatment with oral donepezil would elicit measurable striatal dopamine (DA) release in patients […]

Early-stage cognitive impairment in Parkinson’s disease and the influence of dopamine replacement therapy

Background and Purpose: The aim of this study was to establish the cognitive profile of newly diagnosed untreated (de novo) patients with Parkinson’s disease (PD) and more advanced, treated patients, and to determine the effects of dopamine (DA) replacement therapy.; Methods: A cohort of 23 de novo patients, 55 mild to moderately advanced, medicated PD […]

One-year safety and tolerability profile of pridopidine in patients with Huntington disease

Objective: To assess the 1-year safety profile of the dopaminergic stabilizer pridopidine in patients with Huntington disease. Methods: Patients received pridopidine 45 mg/day for 4 weeks then pridopidine 90 mg/day for 22 weeks in this 6-month open-label extension (OLE) of the 6-month MermaiHD randomized controlled trial (RCT). Any adverse events (AEs) were recorded. Patients were […]

Dopamine D₂-agonist rotigotine effects on cortical excitability and central cholinergic transmission in Alzheimer’s disease patients

Dopamine is a neurotransmitter involved in several brain functions ranging from emotions control, movement organization to memory formation. It is also involved in the regulation of mechanisms of synaptic plasticity. However, its role in Alzheimer’s disease (AD) pathogenesis is still puzzling. Several recent line of research instead indicates a clear role for dopamine in both […]

Efficacy and safety of the dopaminergic stabilizer Pridopidine (ACR16) in patients with Huntington’s disease

Objectives: To evaluate the efficacy and safety of the dopaminergic stabilizer pridopidine (ACR16) in patients with Huntington’s disease (HD).; Methods: In a randomized, double-blind, placebo-controlled, 4-week trial, patients with HD received pridopidine (50 mg/d, n = 28) or placebo (n = 30). The primary outcome measure was the change from baseline in weighted cognitive score, […]

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