Acadia Pharmaceuticals Inc.

This study is testing whether an experimental drug called ACP-211 can help adults with major depression who haven't gotten better with standard antidepressant treatments. Researchers will compare ACP-211 against a placebo (inactive pill) to see if it reduces depression symptoms m…

This research is testing whether an investigational drug called ACP-204 can safely reduce distressing psychotic symptoms like hallucinations and delusions in people with Alzheimer's disease. The study involves over 1,000 adults aged 55-95 who have been diagnosed with Alzheimer's …

This study is testing whether an experimental medication called ACP-204 can reduce psychosis symptoms like hallucinations and delusions in people with Lewy body dementia. About 180 adults aged 55-85 will receive either the real medication or a placebo for 6 weeks to compare effec…