Actively Recruiting

Phase 2
All Genders
NCT06052254

Dexmedetomidine Transdermal Systems (DMTS) Treatment for Agitation Associated With Dementia of the Alzheimer's Type

Led by Teikoku Pharma USA, Inc. · Updated on 2026-04-13

150

Participants Needed

3

Research Sites

67 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The primary objective of this study is to evaluate the efficacy of DMTS on frequency and severity of agitation associated with dementia of the Alzheimer's type, compared with placebo.

CONDITIONS

Official Title

Dexmedetomidine Transdermal Systems (DMTS) Treatment for Agitation Associated With Dementia of the Alzheimer's Type

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Voluntarily provide written informed consent (subject or legally authorized representative).
  • Male or female residing in a care facility.
  • Diagnosis of probable Alzheimer's Disease dementia based on 2018 NIA-AA criteria or 2011 NIA-AA criteria if biomarker data unavailable.
  • Two or more episodes of agitation within a 7-day period affecting social or functional activities at screening.
  • Agitated Behavior Scale total score of 22 or higher at least once during days -4 to -1 before randomization.
  • Stable medication doses for at least 1 week prior to screening.
  • Mini-Mental State Examination score of 23 or less at screening.
  • Female subjects must not be pregnant or lactating and meet specific contraception or sterilization requirements.
  • Male subjects with female partners of childbearing potential must use reliable birth control during and 1 month after the study.
  • Body weight over 50 kg and body mass index between 20 and 38 kg/m2 inclusive.
  • Ability to understand study procedures and comply for the entire study duration.
  • Resided in the facility at least 7 days prior to screening and will remain through follow-up.
Not Eligible

You will not qualify if you...

  • Known sensitivity to dexmedetomidine or any patch excipients.
  • Skin abnormalities or unhealthy skin at the patch application site.
  • Clinically significant abnormal lab test results.
  • Agitation due to acute intoxication.
  • Significant risk of suicide or homicide or positive on Columbia-Suicide Severity Rating Scale items 4 or 5.
  • History or positive test for HIV, hepatitis B, or hepatitis C.
  • Significant renal, hepatic, cardiovascular, metabolic, neurologic, or psychiatric conditions.
  • History of migraine, frequent headaches, seizures, or current anticonvulsant use.
  • History of syncope or syncopal attacks.
  • Present or significant history of postural hypotension or severe dizziness/fainting on standing.
  • Clinically significant ECG abnormalities.
  • Heart rate outside 60-100 bpm or blood pressure outside specified ranges measured in multiple positions.
  • History of alcohol or drug abuse within 5 years.
  • Positive drug or alcohol tests at screening.
  • Concurrent therapy interfering with study evaluations (some stable medications permitted).
  • Use of certain natural health products within 7 days prior and during study unless approved.
  • Recent upper respiratory tract infection or corticosteroid use (oral/injectable) within 7 days.
  • Receipt of investigational product within 30 days prior.
  • Previous participation in DMTS clinical trials.
  • Johns Hopkins Fall Risk Assessment Score over 13.
  • Considered unsuitable or unlikely to comply with the study protocol by investigator.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 3 locations

1

Elixia MA, LLC

Springfield, Massachusetts, United States, 01103

Withdrawn

2

Vitalix

Worcester, Massachusetts, United States, 01608

Actively Recruiting

3

BioBehavioral Health

Toms River, New Jersey, United States, 08755

Actively Recruiting

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Research Team

T

Tami Ujiie

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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