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Completed Phase 2 Interventional Results available

Zilebesiran as Add-on Therapy in Patients With Hypertension Not Adequately Controlled by a Standard of Care Antihypertensive Medication (KARDIA-2)

ClinicalTrials.gov ID: NCT05103332

Public ClinicalTrials.gov record NCT05103332. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:03 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-blind, Placebo-controlled, Multicenter Study to Evaluate the Efficacy and Safety of Zilebesiran Used as Add-on Therapy in Patients With Hypertension Not Adequately Controlled by a Standard of Care Antihypertensive Medication

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the effect of zilebesiran on systolic and diastolic blood pressure and to characterize the pharmacodynamic (PD) effects and safety of zilebesiran as add-on therapy.

Study identification

NCT ID
NCT05103332
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Alnylam Pharmaceuticals
Industry
Enrollment
663 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 5, 2021 (Actual)
Primary completion
Dec 11, 2023 (Actual)
Completion
Sep 13, 2024 (Actual)
Last update posted
Nov 3, 2025

2021 – 2024

United States locations

U.S. sites
74
U.S. states
18
U.S. cities
65
Facility City State ZIP Site status
Clinical Trial Site Mesa Arizona 85213 —
Clinical Trial Site Tempe Arizona 85281 —
Clinical Trial Site Tempe Arizona 85282 —
Clinical Trial Site Bell Gardens California 90201 —
Clinical Trials Site Beverly Hills California 90211 —
Clinical Trial Site Canoga Park California 91304 —
Clinical Trial Site Carlsbad California 92008 —
Clinical Trial Site Encinitas California 92024 —
Clinical Trial Site Garden Grove California 92844 —
Clinical Trial Site Hollywood California 91606 —
Clinical Trial Site Huntington Beach California 92647 —
Clinical Trial Site Irvine California 92614 —
Clinical Trial Site Long Beach California 90805 —
Clinical Trial Site Los Angeles California 90057 —
Clinical Trial Site Mission Hills California 91345 —
Clinical Trial Site Oceanside California 92056 —
Clinical Trial Site Panorama City California 91402 —
Clinical Trial Site San Diego California 92103 —
Clinical Trial Site Santa Clarita California 91355 —
Clinical Trial Site South Gate California 90280 —
Clinical Trial Site Tustin California 92780 —
Clinical Trial Site Upland California 91786 —
Clinical Trial Site Washington D.C. District of Columbia 20011 —
Clinical Trial Site Clearwater Florida 33756 —
Clinical Trial Site Coconut Creek Florida 33073 —
Clinical Trial Site Coral Gables Florida 33134 —
Clinical Trial Site Hollywood Florida 33021 —
Clinical Trial Site Hollywood Florida 33024 —
Clinical Trial Site Inverness Florida 34452 —
Clinical Trial Site Jacksonville Florida 32256 —
Clinical Trial Site Miami Florida 33032 —
Clinical Trial Site Miami Florida 33125 —
Clinical Trial Site Miami Florida 33135 —
Clinical Trial Site Miami Florida 33144 —
Clinical Trial Site Miami Florida 33176 —
Clinical Trial Site Naples Florida 34105 —
Clinical Trial Site Orlando Florida 32162 —
Clinical Trial Site Orlando Florida 32801 —
Clinical Trial Site Pembroke Pines Florida 33027 —
Clinical Trial Site Tampa Florida 33603 —
Clinical Trial Site Winter Haven Florida 33880 —
Clinical Trial Site Winter Park Florida 32789 —
Clinical Trial Site Acworth Georgia 30101 —
Clinical Trial Site Canton Georgia 30114 —
Clinical Trial Site Columbus Georgia 31904 —
Clinical Trial Site Savannah Georgia 31406 —
Clinical Trial Site Louisville Kentucky 40202 —
Clinical Trial Site New Orleans Louisiana 70769 —
Clinical Trial Site Southgate Michigan 48195 —
Clinical Trial Site Jackson Mississippi 39209 —
Clinical Trial Site Hazelwood Missouri 63042 —
Clinical Trial Site Jefferson City Missouri 65109 —
Clinical Trial Site New York New York 10036 —
Clinical Trial Site Greensboro North Carolina 27403 —
Clinical Trial Site Greensboro North Carolina 27410 —
Clinical Trial Site Monroe North Carolina 28112 —
Clinical Trial site Winston-Salem North Carolina 27157 —
Clinical Trial Site Norman Oklahoma 73072 —
Clinical Trial Site Little River South Carolina 29566 —
Clinical Trial Site Memphis Tennessee 38119 —
Clinical Trial Site Amarillo Texas 79109 —
Clinical Trial Site Coppell Texas 75019 —
Clinical Trial Site Dallas Texas 75251 —
Clinical Trial Site Houston Texas 77074 —
Clinical Trial Site Houston Texas 77081 —
Clinical Trial Site Lake Jackson Texas 77566 —
Clinical Trial Site Plano Texas 75024 —
Clinical Trial Site Sherman Texas 75092 —
Clinical Trial Site Splendora Texas 77372 —
Clinical Trial Site Stephenville Texas 76401 —
Clinical Trial Site Tomball Texas 77375 —
Clinical Trial Site Waco Texas 76708 —
Clinical Trial Site Burke Virginia 22015 —
Clinical Trial Site Kenosha Wisconsin 53142 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 36 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05103332, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 3, 2025 · Synced Oct 25, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05103332 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →