September 2023 in “Journal of movement disorders” In this study, 27.9% of Parkinson's disease patients reported hair loss, with a higher incidence linked to a daily levodopa-equivalent dose over 448 mg, suggesting an association between dopaminergic medication use and hair loss complaints.
12 citations
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July 2019 in “Acta Neurologica Belgica” This review evaluated the evidence on skin disorders linked to levodopa treatment for Parkinson's disease, suggesting a possible association with melanoma, though evidence remains inconclusive and further studies are needed.
4 citations
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September 2012 in “Clinical Pharmacology in Drug Development” This study reviewed the dosages of products approved in Japan from 2003-2010 and found that 28.1% were at different levels than in the U.S., with limited evidence suggesting different clinical responses.
15 citations
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January 2017 in “Experimental Neurology” This study found that finasteride significantly reduced levodopa-induced dyskinesia in both male and female rats without diminishing l-DOPA's motor benefits, indicating potential for clinical trials in Parkinson's patients.
January 2009 in “Side effects of drugs annual” This study observed no teratogenic effects of oral decongestants and surprisingly favorable neonatal outcomes in Swedish women who used them during pregnancy.