A Study to Evaluate Zilebesiran in Japanese Patients With Mild to Moderate Hypertension

NCT ID: NCT06423352

Last Updated: 2025-08-29

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

COMPLETED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-06-05

Study Completion Date

2025-07-17

Brief Summary

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The purpose of this study is to evaluate the safety, tolerability, efficacy, pharmacodynamics (PD) and pharmacokinetics (PK) of zilebesiran in Japanese patients with mild to moderate hypertension.

Detailed Description

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Conditions

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Mild to Moderate Hypertension

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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Zilebesiran

Participants will be administered a single dose of zilebesiran.

Group Type EXPERIMENTAL

Zilebesiran

Intervention Type DRUG

Zilebesiran administered by subcutaneous (SC) injection

Placebo

Participants will be administered a single dose of placebo.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo administered by SC injection

Interventions

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Zilebesiran

Zilebesiran administered by subcutaneous (SC) injection

Intervention Type DRUG

Placebo

Placebo administered by SC injection

Intervention Type DRUG

Other Intervention Names

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ALN-AGT01

Eligibility Criteria

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Inclusion Criteria

* Must have been born in Japan, and their biological parents and grandparents must have been of Japanese origin
* Has mean systolic office blood pressure (SBP) of \>130 and \<=165 mmHg by automated office blood pressure measurement, after a minimum of 3 weeks of washout if taking hypertensive medication
* Has 24-hour mean SBP ≥130 mmHg by ambulatory blood pressure monitoring (ABPM), without antihypertensive medication

Exclusion Criteria

* Has secondary hypertension, symptomatic orthostatic hypotension
* Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \>2× upper limit of normal (ULN)
* Has elevated serum potassium \>5 mmol/L
* Has estimated glomerular filtration rate (eGFR) of \<60 mL/min/1.73m\^2
* Has received an investigational agent within the last 30 days
* Has Type 1 diabetes mellitus, poorly controlled Type 2 diabetes mellitus or newly diagnosed Type 2 diabetes mellitus
* Has history of intolerance to SC injection(s)
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

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

Locations

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Clinical Trial Site

Fukuoka, , Japan

Site Status

Clinical Trial Site

Osaka, , Japan

Site Status

Clinical Trial Site

Tokyo, , Japan

Site Status

Countries

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Japan

Other Identifiers

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ALN-AGT01-006

Identifier Type: -

Identifier Source: org_study_id

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