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A Study to Evaluate the Drug Levels, Absolute Bioavailability, Safety, Tolerability, and Immunogenicity of Single-Dose of BMS-986446 in Healthy Adults After Single-dose Administration, and Participants With Early Alzheimer's Disease After Multiple Dose Administration

NCT07780383

Not Yet RecruitingPhase 1

Sponsor: Bristol-Myers Squibb

Conditions: Alzheimer's Disease, Healthy Participants

Interventions: BMS-986446

Countries: United States

The purpose of this study is to evaluate the drug levels, absolute bioavailability, safety, tolerability, and immunogenicity of single-Dose of BMS-986446 in healthy adults after single-dose administration, and participants with early Alzheimer's Disease after multiple dose administration

Eligibility overview

Sex: ALL

Age: 18 Years to 80 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria

* Participants must have a BMI of 18.0 to 35.0 kg/m2.
* For Parts A and B: Participants must be healthy as determined by medical history, Physical Examination (PE), neurological examination, vital signs, 12-lead ECG, Columbia Suicide-Severity Rating Scale (C-SSRS), and clinical laboratory evaluations.
* For Part C: Participants must meet diagnostic criteria for MCI or mild AD dementia, consistent with the National Institute on Aging and the Alzheimer's Association (NIA-AA) diagnostic criteria.
* For Part C: Participants must have an Mini Mental State Examination (MMSE) score of ≥ 20 to 28 (inclusive).
* For Part C: Participants must have evidence of positive plasma pTau217.

Exclusion Criteria

* For Parts A and B: Participants must not have a general history of any clinically significant gastrointestinal, renal, hepatic, broncho-pulmonary, neurological, psychiatric, cardiovascular, endocrinological, immune-mediated disorder, hematological, ongoing allergic disorder requiring treatment, metabolic disorder, cancer, or cirrhosis.
* For Parts A and B: Participants must not have donated or lost 500 mL blood or more within 60 days prior to study intervention administration.
* For Part C: Participants must not have a neurological condition that in the opinion of the investigator may be contributing to cognitive impairment aside from the AD diagnosis, including but not limited to: Parkinson's disease, vascular dementia, dementia with Lewy bodies, frontotemporal dementia, Huntington's disease, normal pressure hydrocephalus, brain tumor, progressive supranuclear palsy, seizure disorder, subdural hematoma, multiple sclerosis, long COVID, or baseline intellectual disability.
* For Part C: Participants must not have any current primary psychiatric diagnosis (eg, major depression, schizoaffective disorder or bipolar disorder) other than AD or symptoms (eg, hallucination or delusions).
* Other protocol-defined Inclusion/Exclusion criteria apply.

Locations (1)

Anaheim, California, United States