New research into Parkinson’s disease and neuropsychiatric symptoms

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Author: Scarlett SherriffPublished: 3 November 2022

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A review from the ‘British Medical Journal’ has found that neuropsychiatric symptoms – which encompass neurological and psychiatric conditions – may be more common in people with Parkinson’s than previously thought.

The researchers analysed data across 100 articles on neuropsychiatric conditions, such as dementia, anxiety, psychosis and impulse control-related disorders, along with data from randomised controlled trials and meta-analyses.

According to the researchers, the analysis showed that many neuropsychiatric conditions have a cumulative frequency of over 50% in people with Parkinson’s. Among these conditions is dementia, which was found to impact 80% of people with Parkinson’s in the long term.

The study made several recommendations for further research, including measures to improve diagnosis and screening. In their conclusion, the authors wrote: “The biggest unmet need is the availability of efficacious treatments; therefore, future research efforts need to focus on the development and testing of novel treatments.”


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