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New Study To Test Statin-Parkinson's Link

Date:
January 18, 2007
Source:
Society of Chemical Industry
Summary:
Results of a recent study linking low LDL cholesterol to Parkinson's provide the strongest evidence to date that it could be real, because statins work by reducing LDL cholesterol. The study by researchers at University of North Carolina showed that patients with low levels of LDL cholesterol are more than three and a half times more likely to develop Parkinson's disease than those with higher LDL levels.

Researchers are sufficiently worried by new study results that they are planning clinical trials involving thousands of people to examine the possible link between Parkinson's disease and statins, the world biggest selling drugs, reports Patrick Walter in Chemistry & Industry, the magazine of the SCI.

Suggestions of a statin link are not new, but the results of a recent study linking low LDL cholesterol to Parkinson's provide the strongest evidence to date that it could be real, because statins work by reducing LDL cholesterol. The study by researchers at University of North Carolina showed that patients with low levels of LDL cholesterol are more than three and a half times more likely to develop Parkinson's disease than those with higher LDL levels.

When asked whether she was concerned by the new results, study leader Xuemei Huang said: 'Yes I am very concerned, which is why I am planning a 16000-patient prospective study to examine the possible role of statins.' Huang was quick to point out, however, that a causal link with statins had not yet been proven. And Yoav Ben-Shlomo, a professor of clinical epidemiology at University of Bristol said that it is also a possibility that LDL cholesterol is a consequence rather than a cause of Parkinson's.

But according to Huang, the well-established link between Parkinson's and apoE2, a gene associated with lower LDL cholesterol, supports her theory that low LDL is the culprit in many cases of Parkinson's.

Huang says that if there is a link with statins, we could see big surges in the number of Parkinson's diagnoses in the next five years, because at that stage, statins will have been in common usage for more than a decade.

Huang's new study will examine the statin link. A total of 16000 patients for whom 20 years of baseline fasting cholesterol measurements are available will be involved. Another large-scale trial investigating a cholesterol link with Parkinson's risk is underway at Harvard. This study differs in that there are no baseline data available for the study group.

Pfizer's statin Lipitor is the world's biggest selling drug with $12.2bn in sales in 2005. Parkinson's has previously been linked with pesticides. Pfizer were unavailable for comment.

About Chemistry & Industry

Chemistry & Industry magazine (http://www.chemind.org) from SCI delivers news and comment from the interface between science and business. As well as covering industry and science, it focuses on developments that will be of significant commercial interest in five- to ten-years time. Published twice-monthly and free to SCI Members, it also carries authoritative features and reviews. Opinion-formers worldwide respect Chemistry & Industry for its independent insight.


Story Source:

The above story is based on materials provided by Society of Chemical Industry. Note: Materials may be edited for content and length.


Cite This Page:

Society of Chemical Industry. "New Study To Test Statin-Parkinson's Link." ScienceDaily. ScienceDaily, 18 January 2007. <www.sciencedaily.com/releases/2007/01/070115215509.htm>.
Society of Chemical Industry. (2007, January 18). New Study To Test Statin-Parkinson's Link. ScienceDaily. Retrieved July 25, 2014 from www.sciencedaily.com/releases/2007/01/070115215509.htm
Society of Chemical Industry. "New Study To Test Statin-Parkinson's Link." ScienceDaily. www.sciencedaily.com/releases/2007/01/070115215509.htm (accessed July 25, 2014).

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