Status:

COMPLETED

MK-8189 Safety and Tolerability in Participants With Alzheimer's Disease With or Without Symptoms of Agitation-Aggression and/or Psychosis (MK-8189-017)

Lead Sponsor:

Merck Sharp & Dohme LLC

Conditions:

Alzheimer's Disease

Eligibility:

All Genders

65-85 years

Phase:

PHASE1

Brief Summary

The purpose of this study is to evaluate the safety and tolerability of multiple ascending doses of MK-8189 in participants with Alzheimer's Disease (AD) with or without symptoms of agitation-aggressi...

Eligibility Criteria

Inclusion

  • The main inclusion and exclusion criteria include but are not limited to the following:
  • Has a documented diagnosis of probable Alzheimer Disease based on National Institute on Aging-Alzheimer Association criteria for AD, with a history of cognitive and functional decline with gradual onset and slow progression for at least 1 year before screening, that is either corroborated by an informant who knows the participant well or is documented in medical records
  • Lives in the community setting with a reliable trial partner/caregiver or lives alone in an assisted living facility, with supervision and has a reliable trial partner/caregiver
  • Has a reliable and competent trial partner/caregiver who must have a close relationship with the participant and is knowledgeable of the participant's condition and progress and able to read, understand and speak the designated language at the study site
  • Can read at the 6th grade level/equivalent as determined by the investigator
  • Has an academic and/or employment history sufficient to exclude intellectual disability and is able, in the opinion of the investigator, to fully participate in the study
  • Participants receiving treatment with a cholinesterase inhibitor or other treatment for AD, must have been on a stable regimen for 3 months prior to screening and there are no expected changes in co-medication during the study
  • Is able to discontinue any antipsychotic medication they are taking at the time of Screening
  • Has a body mass index (BMI) \> 18 and ≤ 35kg/m2, inclusive

Exclusion

  • Has agitation/aggression or psychosis that is attributable to concomitant medications, environmental conditions, substance abuse, or an active medical or psychiatric condition
  • Has a known history of stroke or evidence from prior magnetic resonance imaging (MRI) scan (if available) that is clinically important in the investigator's opinion
  • Has evidence of a clinically relevant neurological disorder other than the disease being studied (i.e., probable AD) at Screening
  • Has a history of seizures or epilepsy within the last 5 years before Screening
  • Has evidence of a clinically relevant or unstable psychiatric disorder
  • Is at imminent risk of self-harm
  • Has a history of alcoholism or drug dependency/abuse within the last 5 years before Screening
  • Has a history of cancer (malignancy). Exceptions: (1) Adequately treated non-melanomatous skin carcinoma or carcinoma in situ of the cervix or; (2) Other malignancies that have been successfully treated with appropriate follow up and therefore unlikely to recur for the duration of the study
  • Has a family history of long QT syndrome
  • Previously developed severe extrapyramidal symptoms (EPS) following administration of any prescribed medication or study treatment
  • Is positive for hepatitis B surface antigen (HBsAg), hepatitis C antibodies or human immunodeficiency virus (HIV)
  • Had major surgery, donated or lost 1 unit of blood (approximately 500 mL) within 4 weeks prior to the pre-study (screening) visit
  • Consumes greater than 3 glasses of alcoholic beverages per day
  • Consumes excessive amounts, defined as greater than 6 servings (1 serving is approximately equivalent to 120 mg of caffeine) of coffee, tea, cola, energy drinks, or other caffeinated beverages per day
  • Is a regular user of cannabis, any illicit drugs or has a history of drug (including alcohol) abuse within approximately 3 years

Key Trial Info

Start Date :

July 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 10 2023

Estimated Enrollment :

29 Patients enrolled

Trial Details

Trial ID

NCT05227118

Start Date

July 1 2022

End Date

January 10 2023

Last Update

September 25 2024

Active Locations (8)

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Page 1 of 2 (8 locations)

1

CITrials ( Site 0007)

Santa Ana, California, United States, 92705

2

Top Medical Research ( Site 0005)

Cutler Bay, Florida, United States, 33189

3

Velocity Clinical Research, Hallandale Beach ( Site 0001)

Hallandale, Florida, United States, 33009

4

Well Pharma Medical Research, Corp. ( Site 0006)

Miami, Florida, United States, 33173