Abstract
The manuscript is a commenting on the article “Effects of vitamin B12, folate, and entacapone on homocysteine levels in levodopa-treated Parkinson's disease patients: A randomized controlled study”, recently published by Anamnart and Kitjarak (2021), in this prestigious journal. The authors demonstrated that combination supplementation with vitamin B12 and folate was associated with significantly decreased plasma homocysteine (Hcy), suggesting that plasma Hcy levels should be monitored during levodopa treatment, and supplementation with inexpensive vitamin B12 and folate is beneficial for levodopa-treated PD patients. Considering some evidences - i) that it has to be indicated that dietary and supplemental thiamine intake has a protective effect on various medical conditions, including PD; ii) that several studies highlighted a possible relationship between PD low levels of thiamine in the serum, suggesting that elevated thiamine levels might protect against PD; iii) that thiamine deficiency is not just a common finding in patients with cardiovascular dysfunctions, but it might also have a role in the development and prognosis of PD - our research group believes that some comprehensive cardiovascular screening protocols should be developed for PD patients in order to reduce fatal events in these individuals.
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