Plain-English translation of NCT05590637 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
Phase 4 — The treatment has already been approved. Researchers are tracking how it works in a large number of people over time.
This trial is testing whether or works better for treating psychosis—hallucinations and delusions—in people with Parkinson's disease or Lewy body dementia. You would be randomly assigned to take one of these two medications and followed for 6 months to see which one helps more with your symptoms. The goal is to help doctors figure out which medication is the best first choice for patients like you.
Hallucinations and delusions are common and serious problems for people with Parkinson's disease and Lewy body dementia, affecting quality of life and putting strain on caregivers. Doctors currently use both of these medications in practice, but there's very little evidence about which one works better, so this study aims to fill that gap.
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You will be randomly assigned to take either or and will visit the clinic to check how the medication is working for you over 6 months. Your caregiver will be asked to help track changes in your hallucinations and delusions using a questionnaire. The study compares how much each medication helps reduce your psychotic symptoms over that time period.
AI-generated summary from trial data · Jun 11, 2026 · Not medical advice
United States