Study of ARO-MAPT-SC in Healthy Subjects and Subjects With Early Alzheimer's Disease

NCT ID: NCT07221344

Last Updated: 2025-12-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

112 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-11-18

Study Completion Date

2027-06-30

Brief Summary

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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.

Detailed Description

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Conditions

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Alzheimer Disease Alzheimer Disease, Early Onset

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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ARO-MAPT-SC

ARO-MAPT-SC injection

Group Type EXPERIMENTAL

ARO-MAPT-SC

Intervention Type DRUG

• single or multiple doses of ARO-MAPT-SC by subcutaneous (SC) injection

Placebo

Sterile normal saline (0.9%)

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

• calculated volume to match active treatment by SC administration

Interventions

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ARO-MAPT-SC

• single or multiple doses of ARO-MAPT-SC by subcutaneous (SC) injection

Intervention Type DRUG

Placebo

• calculated volume to match active treatment by SC administration

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Body mass index between 18.0 and 35.0 kg/m\^2 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


* Adults aged 50 to 75 years of age with a clinical diagnosis of early AD and plasma, CSF, or imaging biomarkers consistent with the diagnosis
* On stable doses of AD-related medications for at least 8 weeks prior to Screening Visit and throughout the Screening period until Day 1

Exclusion Criteria

* Uncontrolled hypertension
* 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
* Clinically significant cardiac, liver, or renal disease
* Any contraindications to lumbar puncture
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Arrowhead Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Research Site 1

Grafton, Auckland, New Zealand

Site Status RECRUITING

Countries

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New Zealand

Central Contacts

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Medical Monitor

Role: CONTACT

626-304-3400

Other Identifiers

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AROMAPT-SC-1001

Identifier Type: -

Identifier Source: org_study_id

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