The debilitating movement symptoms of the disease are primarily caused by the death of a type of brain cell that produces a chemical called dopamine. (sciencedaily.com)
The trial was short - 32 days - and focused on the question of whether the drug made movement symptoms in HD patients better. (en.hdbuzz.net)
Also, because we can identify people who will develop HD before they have symptoms by examining their DNA, we really want to treat people with drugs that delay the onset of HD while people are still well, rather than waiting for movement symptoms to occur. (en.hdbuzz.net)