Ataciguat for Slowing the Progression of Moderate Calcific Aortic Valve Stenosis: A Randomized, Placebo Controlled Study

NCT ID: NCT07001800

Last Updated: 2026-02-03

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

PHASE2/PHASE3

Total Enrollment

1276 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-06-27

Study Completion Date

2030-09-30

Brief Summary

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The purpose of this study is to evaluate if ataciguat slows the progression of moderate calcific aortic valve stenosis in adults.

Detailed Description

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This study will be conducted in two parts: Part A and Part B. The purpose of Part A is to investigate whether ataciguat slows the progression of aortic valve calcium (AVC) deposition in adults with moderate calcific aortic valve stenosis (CAVS). The safety, tolerability, and pharmacokinetics of ataciguat will also be evaluated. Approximately 132 participants will be enrolled in Part A. Enrollment in Part B will begin once enrollment in Part A is complete. The purpose of Part B is to investigate whether ataciguat slows the rate of aortic valve area (AVA) loss and to evaluate the effect of ataciguat on peak oxygen consumption (VO2) in participants with moderate CAVS. The safety and tolerability of ataciguat will also be evaluated. Approximately 1144 participants will be enrolled in Part B.

Conditions

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Moderate Aortic Valve Stenosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Ataciguat

Group Type EXPERIMENTAL

Ataciguat

Intervention Type DRUG

Ataciguat will be administrated daily for up to 156 weeks

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo will be administrated daily for up to 156 weeks

Interventions

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Ataciguat

Ataciguat will be administrated daily for up to 156 weeks

Intervention Type DRUG

Placebo

Placebo will be administrated daily for up to 156 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Adult male or female at least 50 years of age
2. Has moderate CAVS as defined by:

1. An AVA of ≥1.0 cm2 to ≤1.50 cm2
2. An AVC score between ≥600 to 1200 Agatston units (AU) for women and between ≥600 to 2000 AU for men
3. Has a left ventricular ejection fraction (EF) of ≥45% at the time of Screening as determined by the echocardiography Imaging Core Laboratory
4. For participants on beta blockade, the dose must be stable for at least 90 days prior to the Screening Visit with no anticipated changes during the study

Exclusion Criteria

1. For participants in the CPET sub-study in Part A and all participants in Part B: Has any medical or physical condition that, in the Investigator's opinion, could lead to an inability to complete Protocol-required CPET procedures (eg, pulmonary disease, joint, leg, hip, back conditions that limit physical activity, or other absolute contraindications for CPET)
2. Anticipated or planned prior aortic valve replacement, repair, surgery, or intervention in the next 6 months
3. Has moderate, moderate-to-severe, or severe (Grade 2 or higher) mitral stenosis, mitral regurgitation, and/or aortic regurgitation
4. Has suspected or known congenital aortic valve disease including bicuspid aortic valve
5. New York Heart Association (NYHA) Class III or Class IV
6. Has a primary etiology for heart failure other than aortic valve disease
7. Has coronary artery disease or anticipating coronary stenting surgery
8. Abnormal electrocardiogram (ECG) results or long-standing persistent or permanent atrial fibrillation
Minimum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Kardigan, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Alabama at Birmingham (UAB) - Medical Center

Birmingham, Alabama, United States

Site Status RECRUITING

Heart Center Research LLC

Huntsville, Alabama, United States

Site Status RECRUITING

Onyx Clinical Research - Peoria

Peoria, Arizona, United States

Site Status NOT_YET_RECRUITING

National Heart Institute

Beverly Hills, California, United States

Site Status RECRUITING

Hoag Memorial Hospital Presbyterian

Newport Beach, California, United States

Site Status RECRUITING

Profound Research LLC at Southern California Heart Specialists

Pasadena, California, United States

Site Status RECRUITING

University of California, San Francisco (UCSF) - Medical Center

San Francisco, California, United States

Site Status RECRUITING

Lundquist Institute for Biomedical Innovation at Harbor UCLA Medical Center

Torrance, California, United States

Site Status RECRUITING

HCA Florida - JFK Hospital

Atlantis, Florida, United States

Site Status RECRUITING

New Generation of Medical Research

Hialeah, Florida, United States

Site Status RECRUITING

Memorial Healthcare System

Hollywood, Florida, United States

Site Status NOT_YET_RECRUITING

Jacksonville Center for Clinical Research

Jacksonville, Florida, United States

Site Status NOT_YET_RECRUITING

University of Miami

Miami, Florida, United States

Site Status NOT_YET_RECRUITING

New Generation of Medical Research - Naples

Naples, Florida, United States

Site Status RECRUITING

Sarasota Memorial Hospital

Sarasota, Florida, United States

Site Status RECRUITING

University of South Florida

Tampa, Florida, United States

Site Status RECRUITING

Wellstar Kennestone Hospital

Marietta, Georgia, United States

Site Status NOT_YET_RECRUITING

Northwestern University The Feinberg School of Medicine

Chicago, Illinois, United States

Site Status RECRUITING

NorthShore University Health System

Glenview, Illinois, United States

Site Status RECRUITING

Midwest Cardiovascular Institute

Naperville, Illinois, United States

Site Status NOT_YET_RECRUITING

Methodist Medical Center of Illinois

Peoria, Illinois, United States

Site Status NOT_YET_RECRUITING

Prairie Education and Research Cooperative

Springfield, Illinois, United States

Site Status RECRUITING

St. Vincent Medical Group, Inc.

Carmel, Indiana, United States

Site Status RECRUITING

University of Iowa Health Care

Iowa City, Iowa, United States

Site Status RECRUITING

University of Louisville Health

Louisville, Kentucky, United States

Site Status RECRUITING

University of Maryland Medical Center

Baltimore, Maryland, United States

Site Status NOT_YET_RECRUITING

Johns Hopkins University School of Medicine

Baltimore, Maryland, United States

Site Status NOT_YET_RECRUITING

Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status RECRUITING

Brigham and Women's Hospital

Boston, Massachusetts, United States

Site Status RECRUITING

Corewell Health

Royal Oak, Michigan, United States

Site Status NOT_YET_RECRUITING

Henry Ford Hospital

West Bloomfield, Michigan, United States

Site Status RECRUITING

Mayo Clinic - Rochester

Rochester, Minnesota, United States

Site Status RECRUITING

Washington University

St Louis, Missouri, United States

Site Status RECRUITING

Atlantic Health System - Morristown Medical Center

Morristown, New Jersey, United States

Site Status NOT_YET_RECRUITING

Inspira Medical Center of Vineland

Vineland, New Jersey, United States

Site Status NOT_YET_RECRUITING

Albany Medical Center

Albany, New York, United States

Site Status RECRUITING

University of Buffalo

Buffalo, New York, United States

Site Status RECRUITING

Montefiore Medical Center

The Bronx, New York, United States

Site Status RECRUITING

Duke University School of Medicine

Durham, North Carolina, United States

Site Status NOT_YET_RECRUITING

Moses H. Cone Memorial Hospital Operating Corporation d/b/a Cone Health

Greensboro, North Carolina, United States

Site Status RECRUITING

Sanford Fargo

Fargo, North Dakota, United States

Site Status NOT_YET_RECRUITING

The Lindner Center for Research and Education at The Christ Hospital

Cincinnati, Ohio, United States

Site Status RECRUITING

Cleveland Clinic

Cleveland, Ohio, United States

Site Status RECRUITING

Ascension St. John Jane Phillips Hospital

Bartlesville, Oklahoma, United States

Site Status RECRUITING

Ascension St. John Hospital

Tulsa, Oklahoma, United States

Site Status RECRUITING

University of Pennsylvania

Philadelphia, Pennsylvania, United States

Site Status RECRUITING

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, United States

Site Status NOT_YET_RECRUITING

Medical University of South Carolina (MUSC)

Charleston, South Carolina, United States

Site Status RECRUITING

OnSite Clinical Solutions, LLC - Rock Hill

Rock Hill, South Carolina, United States

Site Status RECRUITING

TriStar Centennial Medical Center

Nashville, Tennessee, United States

Site Status RECRUITING

Ascension Saint Thomas Heart Midtown

Nashville, Tennessee, United States

Site Status RECRUITING

Vanderbilt University Medical Center

Nashville, Tennessee, United States

Site Status RECRUITING

St. David's Heart and Vascular dba Austin Heart - Main Office

Austin, Texas, United States

Site Status RECRUITING

Houston Methodist Hospital

Houston, Texas, United States

Site Status RECRUITING

Baylor Scott and White - The Heart Hospital Baylor Plano

Plano, Texas, United States

Site Status RECRUITING

Methodist Hospital - San Antonio

San Antonio, Texas, United States

Site Status RECRUITING

Houston Methodist Sugar Land Hospital

Sugar Land, Texas, United States

Site Status NOT_YET_RECRUITING

University of Utah Hospital & Clinics

Salt Lake City, Utah, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Kardigan Clinical Trial Information Team

Role: CONTACT

1-877-310-5135

Facility Contacts

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Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Kardigan Clinical Study Information Team

Role: primary

1-877-310-5135

Other Identifiers

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ATA-301

Identifier Type: -

Identifier Source: org_study_id

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