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Dexmedetomidine in the Treatment of Agitation Associated With Dementia (TRANQUILITY II)

B

BioXcel Therapeutics

Status and phase

Completed
Phase 3

Conditions

Agitation
Dementia

Treatments

Drug: Matching Placebo
Drug: BXCL501

Study type

Interventional

Funder types

Industry

Identifiers

NCT05271552
BXCL501-303

Details and patient eligibility

About

A study to determine the safety and efficacy of BXCL501 dosing for episodes of agitation associated with dementia when they occur (given as needed [PRN]), for a maximum of 28 doses within a 12-week treatment period.

Full description

A randomized, double-blind, placebo-controlled, parallel group, 3-arm study assessing efficacy, safety, and tolerability of two doses of BXCL501 in male and female subjects (65 years and older) with acute psychomotor agitation. Subjects will be dosed PRN with a maximum of 28 doses over a 12-week period. Once a subject has received 28 doses of BXCL501, they will continue to be followed for the remainder of the 12-week study period.

Approximately 150 subjects will participate in this study. Subjects will receive a single film consisting of BXCL501 40 µg dose or BXCL501 60 µg dose or placebo in a 1:1:1 randomization scheme. Subjects must reside in a care facility where all study-related procedures and study drug dosing will be performed.

Enrollment

151 patients

Sex

All

Ages

65+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. All subjects must have a diagnosis of probable AD based on NIA-AA criteria (2018)
  2. Episodes of psychomotor agitation (e.g., kick, bite, flailing)
  3. Subjects exhibit behaviors that are congruent with the International Psychogeriatric Association criterion for agitation representing a change from the subject's usual behavior
  4. A score of 15 to 23 on the Mini-Mental State Exam (MMSE)
  5. Subjects who read, understand, and provide written informed consent, or who have a LAR to provide consent on their behalf
  6. Subjects who are deemed to be medically appropriate for study participation by the principal investigator
  7. Participants who agree to use a medically acceptable and effective birth control method

Exclusion criteria

  1. Subjects with dementia or other memory impairment not due to probable AD.
  2. Clinical diagnosis of probable AD should not be applied when there is evidence of a cerebrovascular incident temporally related to the worsening of cognitive function.
  3. Subjects with agitation caused by acute intoxication.
  4. Subjects with significant risk of suicide or homicide per the investigator's assessment.
  5. Subjects who are medically unstable or in recovery. Note: Subjects with a remote (>5 years) history of stroke may be included, regardless of size/location.
  6. History of clinically significant syncope or syncopal attacks, orthostatic hypotension within the past 2 years, current evidence of hypovolemia, orthostatic hypotension, bradycardia.
  7. Subjects who had a total score of >13 (ie, high fall risk) on the John Hopkins Fall Risk Assessment Tool.
  8. Subjects with laboratory or ECG abnormalities.
  9. Subjects who have received an investigational drug within 30 days prior to Screening.
  10. Subjects who are currently suffering from substance abuse. Patients with a potential cause for delirium (relatively recent onset agitation and dementia)

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

151 participants in 3 patient groups, including a placebo group

Cohort 1- 40 Micrograms
Experimental group
Description:
Sublingual film containing 40 Micrograms Dexmedetomidine
Treatment:
Drug: BXCL501
Cohort 2- 60 Micrograms
Experimental group
Description:
Sublingual film containing 60 Micrograms Dexmedetomidine
Treatment:
Drug: BXCL501
Placebo
Placebo Comparator group
Description:
Sublingual Placebo film
Treatment:
Drug: Matching Placebo

Trial contacts and locations

11

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Data sourced from clinicaltrials.gov

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