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Common Pain Medications Do Not Prevent Alzheimer's Disease

Posted on: Thursday, 26 April 2007, 12:11 CDT

Over-the-counter pain medication naproxen and prescription pain reliever celecoxib do not prevent Alzheimer's disease, according to a study.

These findings appear to contradict earlier observational studies, which found sustained use of non-steroidal anti-inflammatory drugs (NSAIDs) may have a protective effect against Alzheimer's disease.

The trial involved more than 2,100 people over age 70 with no signs of dementia, but a family history of Alzheimer's disease. The participants were randomly assigned daily doses of naproxen, celecoxib, or placebo for up to four years, but most participants had received the treatments for less than two years.

The study found neither treatment was associated with a reduction in Alzheimer's disease or dementia. The findings appear to be inconsistent with other studies suggesting reduced risk of Alzheimer's disease among people who take NSAIDs over a long period of time.

"One possible explanation for this inconsistency is that our findings relate specifically to celecoxib and naproxen, but not to other commonly used NSAIDs, such as ibuprofen. Or the drugs may not prevent the progression of disease in people who have advanced Alzheimer's pathology without symptoms, the very people most likely to develop symptoms within a year or two," said John Breitner, with VA Puget Sound Health Care.

"While long-term follow-up of our study's participants is essential, for now we suggest celecoxib and naproxen not be taken to primarily prevent Alzheimer's disease," said Constantine Lyketsos.

Source: Datamonitor

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