A Study to Evaluate ALN-4285 in Adult Healthy Volunteers

NCT ID: NCT07295717

Last Updated: 2025-12-22

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

NOT_YET_RECRUITING

Clinical Phase

PHASE1

Total Enrollment

76 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-12-12

Study Completion Date

2027-03-23

Brief Summary

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The purpose of this study is to:

* evaluate the safety and tolerability of single ascending doses of ALN-4285 in healthy volunteers
* characterize the single-dose pharmacokinetics (PK) of ALN-4285

Detailed Description

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Conditions

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Healthy Volunteers

Keywords

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siRNA RNAi therapeutics

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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ALN-4285

Participants will be administered ALN-4285 subcutaneously (SC)

Group Type EXPERIMENTAL

ALN-4285

Intervention Type DRUG

ALN-4285 will be administered SC

Placebo

Participants will be administered placebo SC

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo will be administered SC

Interventions

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ALN-4285

ALN-4285 will be administered SC

Intervention Type DRUG

Placebo

Placebo will be administered SC

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Has a body mass index (BMI) of ≥18.0 kg/m\^2 and ≤30 kg/m\^2
* Has 12-lead ECG within normal limits or with no clinically significant abnormalities in the opinion of the Investigator

Exclusion Criteria

* Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>upper limit of normal (ULN)
* Has total bilirubin \>ULN
* Has systolic blood pressure \>140 mmHg and/or a diastolic blood pressure \>90 mmHg
* Has an estimated glomerular filtration (eGFR) of \<90 mL/min/1.73m\^2 at screening
* Has received an investigational agent within the last 30 days or 5 half-lives
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Alnylam Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Director

Role: STUDY_DIRECTOR

Alnylam Pharmaceuticals Inc

Locations

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Clinical Trial Site

London, , United Kingdom

Site Status

Countries

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United Kingdom

Central Contacts

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Clinical Trial Information Line

Role: CONTACT

Phone: 1-877-ALNYLAM

Email: [email protected]

Clinical Trial Information Line

Role: CONTACT

Phone: 1-877-256-9526

Email: [email protected]

Other Identifiers

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ALN-4285-001

Identifier Type: -

Identifier Source: org_study_id