Treatment
Pimavanserin clinical trials
We’re tracking 10 recruiting studies that include Pimavanserin, each written for real people, not researchers, below.
Recruiting studies
- NCT04373317RecruitingPhase 4
Comparing two medicines for hallucinations in Parkinson's disease
This study compares two drugs, pimavanserin and quetiapine, to see which works better for hallucinations or delusions caused by Parkinson's disease. The goal is to help patients manage these symptoms more effectively.
Tucson, ArizonaAges 40 years+ - NCT07610135RecruitingPhase 1/Phase 2
Psilocybin with or without pimavanserin pretreatment
This trial tests whether taking pimavanserin before psilocybin changes the drug's effects in healthy volunteers who have never used psychedelics. It aims to understand how to make psychedelic therapy safer and more predictable.
Baltimore, MarylandAges 21–65 - NCT05441280RecruitingPhase 2
Pimavanserin to improve sleep in veterans with PTSD
This Phase 2 trial studies pimavanserin, a medicine meant to improve insomnia, in veterans who also have PTSD. It may help reduce problems with falling asleep, staying asleep, or waking too early that affect daytime functioning.
Houston, TexasAges 18–64 - NCT05895513RecruitingPhase 2
Pimavanserin trial for aggression and social thinking
This Phase 2 trial tests pimavanserin, a medication that may affect brain signals, to see if it can reduce aggression and improve social thinking in people with intermittent explosive disorder (IED) or a history of aggressive behavior. If you qualify, you’ll be screened with medical tests and questionnaires and must meet medication and safety rules to participate.
Columbus, OhioAges 21–55 - NCT05999240RecruitingPhase 2
Pimavanserin for rigid-compulsive symptoms in autism
This trial tests if the drug pimavanserin can help reduce rigid or repetitive behaviors in people with autism spectrum disorder. It may be an option if you or your child struggle with these symptoms and want to try a new treatment.
Lawrence, KansasAges 12–40 - NCT06592833RecruitingPhase 2
Psilocybin with or without pimavanserin for depression
This study tests whether combining psilocybin (a psychedelic substance) with pimavanserin (a medication that may help reduce side effects) works better than psilocybin alone for treating major depressive disorder. It may help people who have not responded well to other treatments.
New York, New YorkAges 21–80 - NCT05357612RecruitingPhase 4
PET scan study for brain serotonin in neurodegenerative diseases
This study uses a special PET brain scan tracer to better understand serotonin receptor activity in people with certain neurodegenerative conditions, especially when they develop hallucinations or delusions. The results may help researchers improve how these brain changes are measured and tracked over time.
Nashville, TennesseeAges 50–85 - NCT05590637RecruitingPhase 4
Compare antipsychotic medicines for Parkinson or Lewy body psychosis
This study compares two medicines—quetiapine and pimavanserin—in people with psychosis caused by Parkinson’s disease or Lewy body dementia, looking at how they work over time. You might join if you are starting an antipsychotic for the first time and your clinician can safely manage either option.
San Antonio, TexasAges Any age - NCT06455293RecruitingPhase 2
Psilocybin therapy for depression in Parkinson's disease
This study tests whether psilocybin, a substance found in certain mushrooms, can help improve depression in people with Parkinson's disease. If you have Parkinson's and are feeling depressed, this treatment may offer a new option.
San Francisco, CaliforniaAges 40–80 - NCT07022366Recruiting
Brain effects of a serotonin blocker in healthy adults
This study tests how a drug that blocks a serotonin receptor affects thinking, memory, and mood. It helps researchers understand the role of serotonin in the brain.
OxfordAges 18–45
What Pimavanserin is being studied for
Conditions with recruiting Pimavanserin studies.
Common questions
- Are there clinical trials studying Pimavanserin?
- Yes. Clin2 currently lists 10 recruiting studies that include Pimavanserin, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Pimavanserin trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Pimavanserin an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Pimavanserin or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.