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Old drug shows new promise for Huntington's Disease

s a potential treatment for Alzheimer's disease in recent studies in mice and humans. Apparently through chelation, it interferes with the creation of beta-amyloid plaque in the brain, which has been implicated in the progression of Alzheimer's symptoms.

Currently, Clioquinol is banned for internal use in many countries because of its side effects. In Japan in the late 1950s and 60s, the drug was found to cause a neurologic condition called subacute myelo-optico-neuropathy (SMON), with symptoms including visual loss, muscle weakness, and numbness, in several thousand people. However, noted Massa, the doses given in current clinical trials are much smaller than were commonly prescribed in Japan. In addition, he explained, it has been found that vitamin B12, when taken along with the drug, protects against its potential toxic effects.

Co-authors of the study were Trent Nguyen, PhD, and Aaron Hamby, BS, of SFVAMC and UCSF.


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Source:University of California - San Francisco


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