About this trial
Study to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics of ARO-MAPT-SC compared to placebo in adult healthy volunteers and in participants with early Alzheimer's disease (AD), defined as mild cognitive impairment due to AD and mild AD dementia.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Body mass index between 18.0 and 35.0 kilograms (kg)/square meter (m²) at Screening
Not pregnant or breast-feeding
Able and willing to provide written informed consent prior to the performance of any study specific procedures
Participants of childbearing potential must agree to use highly effective contraception in addition to a condom during the study and for at least 90 days following the end of the study or last dose of study drug, whichever is later; participants must not donate sperm or eggs during the study and for at least 90 days following the end of the study or last dose of study drug whichever is later
Disqualifiers
Blood pressure outside of specified range in the protocol
Human immunodeficiency virus (HIV) infection (seropositive at Screening)
Seropositive for hepatitis B (HBV) or hepatitis C (HCV) at Screening
Intellectual disability or significant behavioral neuropsychiatric manifestation
Trial design
Sequential
Treatments tested in this trial
ARO-MAPT-SC
Drug• single or multiple doses of ARO-MAPT-SC by subcutaneous (SC) injection
Placebo
Drug• calculated volume to match active treatment by SC administration
Treatment groups
Trial outcomes
Primary outcomes
Number of Participants with Treatment-Emergent Adverse Events (TEAEs) Over Time
Secondary outcomes
PK of ARO-MAPT-SC: Maximum Observed Plasma Concentration (Cmax)
PK of ARO-MAPT-SC: Time to Maximum Plasma Concentration (Tmax)
PK of ARO-MAPT-SC: Area Under the Plasma Concentration (AUC) Versus Time Curve From Time Zero to 24 Hours (AUC0-24)
PK of ARO-MAPT-SC: AUC Versus Time Curve From Time Zero to 48 Hours (AUC0-48)
Sponsors and contacts
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