Masupirdine treatment for agitation in Alzheimer's dementia
Official title: A Phase 3, Double-Blind, Randomized, Placebo-Controlled, Parallel Group, Multicenter Study to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of Masupirdine (SUVN-502) for the Treatment of Agitation in Participants With Dementia of the Alzheimer's Type
Run by Suven Life Sciences Limited · NCT05397639 · Data updated 2026-05-14
This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.
This study is testing if a new medication called masupirdine can help reduce agitation in people with Alzheimer's dementia.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 50 Years to 90 Years |
| Sex | All |
| Enrollment | 375 (estimated) |
| Sponsor | Suven Life Sciences Limited Industry-sponsored |
| Locations | 44 sites (Anaheim, California and 43 other locations) |
| Trial ID | NCT05397639 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are individuals diagnosed with Alzheimer's type dementia who exhibit confirmed agitation.
✕Probably not a fit
Patients with agitation stemming from non-Alzheimer's dementia or other psychiatric disorders may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This multicenter, randomized, double-blind, placebo-controlled study aims to evaluate the efficacy, safety, tolerability, and pharmacokinetics of masupirdine in treating agitation in individuals diagnosed with Alzheimer's type dementia. Approximately 375 participants will be enrolled across 50 centers worldwide, receiving either masupirdine or a placebo for 12 weeks. Participants will be screened for eligibility based on specific criteria, including confirmed agitation and cognitive assessment scores.
Why it matters
Potential benefit: If successful, this treatment could significantly reduce agitation in patients with Alzheimer's dementia, improving their quality of life.
How similar studies have gone: Other studies have shown promise in treating agitation in dementia, but the specific use of masupirdine is a novel approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Has a diagnosis of dementia of the Alzheimer's type according to the National Institute on Aging-Alzheimer's Association (NIA-AA) criteria. * Has confirmed agitation using the IPA Consensus Provisional Definition of Agitation in Cognitive Disorders. * Has a score between 8 and 24 (both inclusive) on Mini-Mental State Examination (MMSE). Exclusion Criteria: * Participants with dementia predominantly of the non-Alzheimer's type (e.g., vascular dementia, parkinson's disease, lewy body disease, frontotemporal dementia) * Has symptoms of agitation that are not secondary to Alzheimer's disease (eg, pain, other psychiatric disorder, or delirium due to a metabolic disorder, systemic infection, or substance-induced). * Participant (or caregiver) is deemed otherwise ineligible for participation in this study in the investigator's judgement.
Where it's running
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Advanced Research Center, Inc.
Anaheim, California, United States Recruiting -
ATP Clinical Research, Inc.
Costa Mesa, California, United States Recruiting -
Leading Edge Research LA, LLC
Encino, California, United States Recruiting -
Neuro Pain Medical Center
Fresno, California, United States Recruiting -
Neurology Center of North Orange County
Fullerton, California, United States Recruiting -
Mary S Easton Center for Alzheimer's Research and Care UCLA
Los Angeles, California, United States Recruiting
Show 38 more locations
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Ki Health Partners, LLC
Stamford, Connecticut, United States Recruiting -
Allied Biomedical Research Institute
Miami, Florida, United States Recruiting -
Central Miami Medical Institute
Miami, Florida, United States Recruiting -
CCM Clinical Research Group
Miami, Florida, United States Recruiting -
Miami Jewish Health
Miami, Florida, United States Recruiting -
Novel Clinical Research Center, LLC.
Miami, Florida, United States Recruiting -
Brainstorm Research
Miami, Florida, United States Recruiting -
Combined Research Orlando Phase I-IV
Orlando, Florida, United States Recruiting -
Quantum Laboratories Inc
Pompano Beach, Florida, United States Recruiting -
Re:Cognition Health
Chicago, Illinois, United States Recruiting -
Insight Hospital and Medical Center Chicago
Chicago, Illinois, United States Recruiting -
Ocean Medical Research
Toms River, New Jersey, United States Recruiting -
Dent Neurologic Institute
Amherst, New York, United States Recruiting -
Velocity Clinical Research, Syracuse
East Syracuse, New York, United States Recruiting -
Velocity Clinical Research, Cleveland
Beachwood, Ohio, United States Recruiting -
Ralph H. Johnson VA Health Care System
Charleston, South Carolina, United States Recruiting -
Midlands Neurology and Pain Associates
Columbia, South Carolina, United States Recruiting -
Gadolin Research
Beaumont, Texas, United States Recruiting -
Re:Cognition Health
Fort Worth, Texas, United States Recruiting -
Baylor College of Medicine
Houston, Texas, United States Recruiting -
Clinical Trial Network
Houston, Texas, United States Recruiting -
Clinical Hospital Center Rijeka
Rijeka, Croatia Recruiting -
Polyclinic Neuron
Zagreb, Croatia Recruiting -
University Hospital Center Zagreb
Zagreb, Croatia Recruiting -
Klinika za psihijatriju Vrapce
Zagreb, Croatia Recruiting -
Medycyna Milorzab sp. z o.o.
Lodz, Lódzkie, Poland Recruiting -
FutureMeds Warszawa Centrum
Warsaw, Masovian Voivodeship, Poland Recruiting -
MTZ Clinical Research powered by Pratia
Warsaw, Masovian Voivodeship, Poland Recruiting -
Centrum Leczenia Zaburzen Pamieci Affidea
Warsaw, Masovian Voivodeship, Poland Recruiting -
Centrum Medyczne Silmedic Sp z o o
Katowice, Silesian Voivodeship, Poland Recruiting -
EMC Silesia Sp. z o.o.
Katowice, Silesian Voivodeship, Poland Recruiting -
Neuro-Medic Janusz Zbrojkiewicz
Katowice, Silesian Voivodeship, Poland Recruiting -
ClinHouse Centrum Medyczne
Zabrze, Poland Recruiting -
Clinical Hospital Center Dragisa Misovic Dedinje
Belgrade, Serbia Recruiting -
Special Hospital for Psychiatric Diseases
Kovin, Serbia Recruiting -
University Clinical Center Kragujevac, Clinic for Psychiatry
Kragujevac, Serbia Recruiting -
University Clinical Center Nis, Clinic for neurology
Niš, Serbia Recruiting -
Clinical Centre of Vojvodina, Clinic of Neurology
Novi Sad, Serbia Recruiting
Study contacts
- Study coordinator: Study Contact
- Email: agitation@suven.com
- Phone: +9140 2319 3956
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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PARO robotic seal to reduce agitation after visceral surgery
This trial tests whether interacting with PARO, a social robotic seal, reduces postoperative agitation in adults having elective visceral surgery.
-
Daily Screen Time and Postoperative Delirium in Children (2–11) After Lower Abdominal Surgery
This study tests whether how much a child uses screens daily is linked to the child’s emergence delirium in the first 30 minutes after waking up from anesthesia.
-
Long-term KarXT plus KarX-EC treatment for agitation in Alzheimer’s disease
This will test whether taking KarXT together with KarX-EC reduces agitation and is safe long-term in people with Alzheimer’s disease who completed the earlier parent studies.
-
BMS-986368 for treating agitation in Alzheimer's disease
This will test whether BMS-986368 can reduce agitation in people with biomarker-confirmed Alzheimer's disease.
-
Improving treatment for acute agitation in psychiatric patients
This study is testing two new medications to see if they can help calm down psychiatric patients who are very agitated when usual methods don't work.
-
Monitoring brain activity in ICU patients with sedation and delirium
This study is testing a new brain monitoring device to see if it can help doctors better understand sedation and delirium in patients who are intubated and sedated in the ICU.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.