CClinicalTrials.gg
Active, not recruitingNCT06200207ATHENAUpdated Oct 1, 2026

A Research Study Looking Into How Ziltivekimab Works Compared to Placebo in Participants With Heart Failure and Inflammation

A Phase 3 interventional study of Ziltivekimab and Placebo in Heart Failure and Systemic Inflammation, sponsored by Novo Nordisk A/S. Active, not recruiting at 217 sites in 16 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-10-01.

Sponsored by Novo Nordisk A/S · Phase 3, Interventional, and Treatment

Updated Oct 1, 2026Enrollment updatedGo to Updates ↓
Phase
Phase 3
Study type
Interventional
Enrollment
673
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The study is being done to see if ziltivekimab can be used to treat participants living with heart failure and inflammation. Participants will either get ziltivekimab (active medicine) or placebo (inactive substance that looks like the study medicine but does not contain any medicine). The treatment participants get is decided by chance. Participant's chance of getting ziltivekimab or placebo is the same. Ziltivekimab is not yet approved in any country or region in the world. It is a new medicine that doctors cannot prescribe. The study is expected to last for up to 1 year and 4 months.

02

Conditions studied

  • Heart Failure
  • Systemic Inflammation

Browse trials for

03

In context

Heart Failure

5,701 studies on the registry are indexed under Heart Failure; 1,220 are open to participants now.

This study's planned enrollment of 673 is above the median of 72 across 3,736 interventional studies indexed under Heart Failure.

Browse Heart Failure studies →

Lead sponsor

Novo Nordisk A/S is the lead sponsor of 1,370 studies on the registry; 102 are open to participants now.

Of its 198 completed or terminated interventional studies of FDA-regulated products, 94 (47%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Serum high-sensitivity C-reactive protein (hs-CRP) greater than or equal to 2 milligrams per liter (mg/L) at screening (visit 1)
  • Disease specific - cardiovascular:
  • N-terminal-pro-brain natriuretic peptide (NT-proBNP) greater than or equal to 225 picograms per milliliter (pg/mL) (375 pg/mL for participants with atrial fibrillation/flutter) at screening
  • Diagnosis of heart failure (New York heart association (NYHA) Class II-III)
  • Left ventricular ejection fraction (LVEF) greater than 40 percent documented by echocardiography within 12 months prior to or at screening (visit 1). The LVEF must be documented in medical records and the most recent measurement must be used to determine eligibility with no interim event signalling potential deterioration in ejection fraction (example myocardial infarction (MI) or heart failure (HF) hospitalisation)
  • Structural heart disease and/or functional heart disease documented by echocardiography within 12 months prior to or at screening (visit 1) showing at least one of the following:

    1. Left atrial (LA) volume index greater than 34 milliliter per square meter (mL/m\^2)
    2. LA diameter greater than or equal to 3.8 centimeters (cm)
    3. LA length greater than or equal to 5.0 cm
    4. LA area greater than or equal to 20 square centimeters (cm\^2)
    5. LA volume greater than or equal to 55 milliliters (mL)
    6. Intraventricular septal thickness greater than or equal to 1.1 cm
    7. Posterior wall thickness greater than or equal to 1.1 cm
    8. LV mass index greater than or equal to 115 grams per square meter (g/m\^2) in men or greater than or equal to 95 g/m\^2 in women

    h) E/e' (mean septal and lateral) greater than or equal to 10 i) e' (mean septal and lateral) less than 9 centimeters per second (cm/s)

  • No heart failure hospitalisations or urgent heart failure visits between screening and randomisation
  • Able to perform the 6-minute walk test (6MWT) at screening with a minimum distance of 100 metres
  • Kansas City Cardiomyopathy Questionnaire (KCCQ) clinical summary score lesser than 80 at screening

Exclusion criteria

Exclusion Criteria:

  • Medical conditions - cardiovascular:
  • Myocardial infarction, stroke, unstable angina pectoris, transient ischaemic attack, or heart failure hospitalisation within 30 days prior to screening (visit 1)
  • Systolic blood pressure greater than or equal to 180 millimeters of mercury (mmHg) at screening (visit 1). If the systolic blood pressure is 160-179 mmHg, the patient should be receiving greater than or equal to 3 antihypertensive drugs
  • Heart rate above 110 or below 40 beats per minute as evaluated on the Electrocardiogram (ECG) performed at screening (visit 1)
  • Planned coronary, carotid or peripheral artery revascularisation known during the screening period (visit 1)
  • Planned cardiac device or atrial flutter/atrial fibrillation ablation procedure known during the screening period (visit 1)
  • Major cardiac surgical, non-cardiac surgical, or major endoscopic procedure (thoracoscopic or laparoscopic) within the past 60 days prior to randomisation (visit 2) or any major surgical procedure planned at the time of randomisation (visit 2)
  • Heart failure due to infiltrative cardiomyopathy (e.g., sarcoid, amyloid), arrhythmogenic right ventricular cardiomyopathy, Takutsubo cardiomyopathy, genetic hypertrophic cardiomyopathy or obstructive cardiomyopathy, active myocarditis, constrictive pericarditis, cardiac tamponade, uncorrected more than moderate primary valve disease
  • Primary pulmonary hypertension, chronic pulmonary embolism, severe pulmonary disease including chronic obstructive pulmonary disease (COPD)
  • Any other condition judged by the investigator that could account for heart failure symptoms and signs (e.g., anaemia, hypothyroidism)
  • Medical conditions - infections/immunosuppression:
  • Clinical evidence of, or suspicion of, active infection at the discretion of the investigator
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
673 participants (estimated)

Study arms

  • Active comparator
    Ziltivekimab

    Participants will receive ziltivekimab administered subcutaneously (s.c.) once-monthly and added to standard of care for 12 months.

    Drug: Ziltivekimab

  • Placebo comparator
    Placebo

    Participants will receive placebo matched to ziltivekimab administered s.c. once-monthly and added to standard of care for 12 months.

    Drug: Placebo

Interventions

  • DrugZiltivekimab

    Zilitivekimab will be administered subcutaneously once-monthly.

  • DrugPlacebo

    Placebo matched to ziltivekimab will be administered subcutaneously once-monthly.

06

What researchers measure

Primary outcomes

  1. Change in Kansas City Cardiomyopathy Questionnaire (KCCQ) clinical summary score (KCCQ-CSS)

    Measured as score (score on scale; range; 0-100). The KCCQ is a disease-specific health status instrument composed of 23 items that quantify the domains of physical limitation, symptoms, self-efficacy, social limitation, and health-related quality of life limitation from heart failure. The overall summary score and all domains have been independently demonstrated to be valid, reliable, and responsive to clinical change. CSS scores range from 0 to 100 and lower scores represent more severe symptoms and/or limitations and scores of 100 indicate no symptoms, no limitations, and excellent quality of life.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

Secondary outcomes

  1. Participant achieving threshold for clinically meaningful within-participant change in KCCQ CSS (yes/no)

    Measured as count of participants. The KCCQ is a disease-specific health status instrument composed of 23 items that quantify the domains of physical limitation, symptoms, self-efficacy, social limitation, and health-related quality of life limitation from heart failure. The overall summary score and all domains have been independently demonstrated to be valid, reliable, and responsive to clinical change. CSS scores range from 0 to 100 and lower scores represent more severe symptoms and/or limitations and scores of 100 indicate no symptoms, no limitations, and excellent quality of life.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  2. Participant achieving threshold for clinically meaningful within-participant change in 6-minute walk distance (6MWD) (yes/no)

    Measured as count of participants.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  3. Participants improving 5 points or more in KCCQ-CSS (yes/no)

    Measured as count of participants. The KCCQ is a disease-specific health status instrument composed of 23 items that quantify the domains of physical limitation, symptoms, self-efficacy, social limitation, and health-related quality of life limitation from heart failure. The overall summary score and all domains have been independently demonstrated to be valid, reliable, and responsive to clinical change. CSS scores range from 0 to 100 and lower scores represent more severe symptoms and/or limitations and scores of 100 indicate no symptoms, no limitations, and excellent quality of life.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  4. Participants improving 10 points or more in KCCQ-CSS (yes/no)

    Measured as count of participants. The KCCQ is a disease-specific health status instrument composed of 23 items that quantify the domains of physical limitation, symptoms, self-efficacy, social limitation, and health-related quality of life limitation from heart failure. The overall summary score and all domains have been independently demonstrated to be valid, reliable, and responsive to clinical change. CSS scores range from 0 to 100 and lower scores represent more severe symptoms and/or limitations and scores of 100 indicate no symptoms, no limitations, and excellent quality of life.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  5. Change in subscales of KCCQ (total symptom score, physical limitations score, social limitations score, and health-related quality of life)

    Measured as score (score on scale; range 0-100). The KCCQ is a disease-specific health status instrument composed of 23 items that quantify the domains of physical limitation, symptoms, self-efficacy, social limitation, and health-related quality of life limitation from heart failure. The overall summary score and all domains have been independently demonstrated to be valid, reliable, and responsive to clinical change. CSS scores range from 0 to 100 and lower scores represent more severe symptoms and/or limitations and scores of 100 indicate no symptoms, no limitations, and excellent quality of life.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  6. Change in six-minute walk distance (6MWD)

    Measured in meters.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  7. Change in high-sensitivity C-reactive protein (hs-CRP)

    Measured as ratio to baseline.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  8. Participants experiencing improvement in New York heart association (NYHA) Class (yes/no)

    Measured as count of participants. The New York Heart Association (NYHA) classification provides a simple way of classifying the extent of heart failure (HF). It classifies patients in one of four categories based on their limitations during physical activity - Class I: Participant with cardiac disease but without resulting limitations of physical activity, Class II: Participants with cardiac disease resulting in slight limitation of physical activity, Class III: Participants with cardiac disease resulting in marked limitation of physical activity, Class IV: Participants with cardiac disease resulting in inability to carry on any physical activity without discomfort.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  9. Change in N-terminal-pro-brain natriuretic peptide (NT-proBNP)

    Measured as ratio to baseline.

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

  10. Change in eGFR (CKD-EPI)

    eGFR (CKD-EPI) is estimated glomerular filtration rate chronic kidney disease - epidemiology collaboration. Measured in milliliter per minute per 1.73 square meter (ml/min/1.73\^2).

    Time frame: From randomisation (month 0) to end-of-treatment (month 12)

07

Study locations

217 sites
  • Advanced Cardiovascular, LLC
    Alexander City, Alabama 35010, United States
  • Eastern Shore Rsrch Inst, LLC
    Fairhope, Alabama 36532, United States
  • Cardiology & Medicine Clinic
    Little Rock, Arkansas 72204, United States
  • Valley Clinical Trials, Inc.
    Northridge, California 91325, United States
  • UCI Health
    Orange, California 92868, United States
  • South California Heart Spc
    Pasadena, California 91105, United States
  • Clearwater Cardiovascular Consultants
    Largo, Florida 33777, United States
  • Ocala Cardiovascular Research
    Ocala, Florida 34471, United States
  • Ormond Beach Clinical Research
    Ormond Beach, Florida 32174, United States
  • St Johns Ctr Clin Rsch-St. Aug
    Saint Augustine, Florida 32086, United States
  • GA Arrhythmia Cons & Rsch Inst
    Macon, Georgia 31201, United States
  • Velocity Clin Rsrch - Savannah
    Savannah, Georgia 31406, United States
  • Chicago Medical Research LLC
    Hazel Crest, Illinois 60429, United States
  • UofL Health Care Outpatient
    Louisville, Kentucky 40202, United States
  • Maryland Cardiovascular Specialists - Baltimore
    Baltimore, Maryland 21229, United States
  • MD Medical Research
    Oxon Hill, Maryland 20745, United States
  • Cardio and Vascular Assoc-CAVA
    Bloomfield Hills, Michigan 48304, United States
  • Millennium Cardiology
    Farmington Hills, Michigan 48334, United States
  • Kansas City VA Medical Center
    Kansas City, Missouri 64128, United States
  • Washington University
    St Louis, Missouri 63110, United States
  • Renown Regional Medical Center
    Reno, Nevada 89502, United States
  • Long Island Cardiovascular Consultants PC
    Lake Success, New York 11042, United States
  • Mount Sinai Hosp at NYC
    New York, New York 10019, United States
  • Northwell Health Phys Cardio
    Riverhead, New York 11901, United States
  • University Of North Carolina At Chapel Hill
    Chapel Hill, North Carolina 27599-7046, United States
  • AMS Cardiology
    Horsham, Pennsylvania 19044, United States
  • Univ of Pennsylvania Hospital
    Philadelphia, Pennsylvania 19104, United States
  • PharmaTex Research
    Amarillo, Texas 79106, United States
  • University of Texas Southwestern Medical Center
    Dallas, Texas 75390-9302, United States
  • David Turbay, MD, PLLC
    El Paso, Texas 79905, United States
  • Private Practice Leadership LLC.
    Katy, Texas 77493, United States
  • Clinical Advancement Center
    San Antonio, Texas 78212, United States
  • Clinical Advancement Ctr, PLLC
    San Antonio, Texas 78212, United States
  • Sherman Clinical Research
    Sherman, Texas 75090, United States
  • Northwest Heart Center
    Tomball, Texas 77375, United States
  • Sentara Health Research Center
    Norfolk, Virginia 23507, United States
  • Virginia Commonwealth University
    Richmond, Virginia 23219, United States
  • Cardiología Palermo
    City of Buenos Aires, Buenos Aires C1425, Argentina
  • Centro Médico CIMEL
    Lanús Este, Buenos Aires B1824KAJ, Argentina
  • Instituto de Investigaciones Clinicas Quilmes SRL
    Buenos Aires, B1878GEG, Argentina
  • CIPREC Pueyrredon
    Buenos Aires, C1119ACN, Argentina
  • Centro Medico Dra. Laura Maffei e Investigacion Clínica Apli
    Buenos Aires, C1425AGC, Argentina
  • CIPREC Arenales
    CABA, C1061AAS, Argentina
  • Sanatorio Esperanza
    Esperanza, Santa Fe, S3080BQV, Argentina
  • Consultorio Integral de Atención al Diabético
    Morón, B1708IFF, Argentina
  • Centro Cardiovascular Salta
    Salta, 4400, Argentina
  • Investigaciones Clinicas Tucuman
    San Miguel de Tucumán, Tucumán., T4000, Argentina
  • Canberra Hospital
    Garran, Australian Capital Territory 2605, Australia
  • John Hunter Hospital - Cardiovascular Department
    New Lambton Heights, New South Wales 2305, Australia
  • John Hunter Hospital
    New Lambton Heights, New South Wales 2305, Australia
  • Illawarra Heart Health Centre
    Wollongong, New South Wales 2500, Australia
  • The Prince Charles Hospital
    Brisbane, Queensland 4032, Australia
  • The Prince Charles Hospital - Cardiology Clinical Research Centre
    Chermside, Queensland 4032, Australia
  • Ballarat Base Hospital
    Ballarat, Victoria 3350, Australia
  • Northern Private Hospital Epping - The Cardiologists
    Epping, Victoria 3076, Australia
  • The Cardiologists Pty Ltd
    Epping, Victoria 3076, Australia
  • Advara HeartCare Mulgrave
    Mulgrave, Victoria 3170, Australia
  • Advara HeartCare
    Mulgrave, Victoria 3170, Australia
  • Fiona Stanley Hospital Cardiology
    Murdoch, Western Australia 6150, Australia
  • MHAT Puls AD, Cardiology Department
    Blagoevgrad, 2700, Bulgaria
  • MHAT Haskovo AD
    Haskovo, 6300, Bulgaria
  • MHAT Heart and Brain EAD - Pleven, Cardiology
    Pleven, 5804, Bulgaria
  • UMHAT Sveti Georgi EAD, Plovdiv, Clinic of Cardiology
    Plovdiv, 4002, Bulgaria
  • MC Hera EOOD - Sofia
    Sofia, 1510, Bulgaria
  • Medical center ISUL - Tsaritsa Yoanna EOOD
    Sofia, 1527, Bulgaria
  • UMHATEM N.I. Pirogov EAD
    Sofia, 1606, Bulgaria
  • MHAT Sveta Anna Sofia AD, Clinic of Cardiology
    Sofia, 1750, Bulgaria
  • Medical Center Synexus Sofia EOOD
    Sofia, 1784, Bulgaria
  • University of Calgary_Calgary
    Calgary, Alberta T2N 4Z6, Canada
  • Cambridge Cardiac Care Centre
    Cambridge, Ontario N1R 6V6, Canada
  • Saul Vizel Pro. Med. Corp
    Cambridge, Ontario N1R 7R1, Canada
  • Corcare Cardiovascular Research
    Scarborough Village, Ontario M1B 5N1, Canada
  • Diabetes Heart Research Centre
    Toronto, Ontario M6G 1M2, Canada
  • CPS Research
    Waterloo, Ontario N2T 0C1, Canada
  • Clinical Research Solutions Inc.
    Waterloo, Ontario N2T OC1, Canada
  • Institut de Cardiologie de Montreal
    Montreal, Quebec H1T 1C8, Canada
  • Montreal General Hospital
    Montreal, Quebec H3G 1A4, Canada
  • CHU de Quebec-Uni Laval-Hotel
    Québec, G1R 2J6, Canada
  • Innera s.r.o.
    Benešov, 256 01, Czechia
  • Kardiologicka ambulance Brno s.r.o.
    Brno, 612 00, Czechia
  • Vojenská nemocnice Brno p.o.
    Brno, 61500, Czechia
  • Ordinace pro choroby srdce
    Chomutov, 430 02, Czechia
  • MEDICON a.s.
    Prague, 170 00, Czechia
  • Svitavska nemocnice Kardiologie
    Svitavy, 568 25, Czechia
  • Kardiologická ambulance MUDr. Ferkl s.r.o.
    Trutnov, 541 01, Czechia
  • Nemocnice AGEL Třinec-Podlesí a.s.
    Třinec, 739 61, Czechia
  • Centre Hospitalier Regional Universitaire de Tours-Hopital Trousseau
    Chambray-lès-Tours, 37170, France
  • Centre Hospitalier Universitaire de Poitiers
    Poitiers, 86000, France
  • Centre Hospitalier Universitaire de Rennes - Hopital Pontchaillou
    Rennes, 35000, France
  • Centre Hospitalier Universitaire de Rouen-Hopital Charles Nicolle
    Rouen, 76031, France
  • Centre Hospitalier Intercommunal Toulon La Seine-Sur-Mer - Hopital Sainte Musse
    Toulon, 83100, France
  • Polyclinique Vauban
    Valenciennes, 59300, France
  • Chru de Nancy - Hopital Brabois
    Vandœuvre-lès-Nancy, 54500, France
  • Kardiologisch-Angiologische Praxis Herzzentrum Bremen
    Bremen, 28277, Germany
  • Uniklinik TU Dresden - Herzzentrum Dresden GmbH
    Dresden, 01307, Germany
  • Zentrum für klinische Studien Südbrandenburg GmbH
    Elsterwerda, 04910, Germany
  • Kath. Hospitalvereinigung Thüringen gGmbH - KKH St. Johann Nepomuk - Innere Med. II
    Erfurt, 99097, Germany
  • MVZ CCB Frankfurt und Main-Taunus GbR
    Frankfurt, 60389, Germany
  • Universitätsklinikum Freiburg - Medical Center
    Freiburg im Breisgau, 79106, Germany
  • MVZ im Altstadt-Carree Fulda GmbH - Zentrum für klinische Studien
    Fulda, 36037, Germany

Showing the first 100 of 217 sites across 16 countries.

08

References and documents

Individual participant data

Plan to share: Yes — According to the Novo Nordisk disclosure commitment on novonordisk-trials.com

No publications or documents are linked to this record.

09

Updates

1 registry update since Sep 25, 2026
Enrollment
680→673
Oct 1, 2026
Show all 1 update
  1. Oct 1, 2026
    Enrollment 680→673
    + 1 other change: verification date

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT06200207
Lead sponsor
Novo Nordisk A/S
Responsible party
Sponsor
First posted
Jan 10, 2024
Start date
Apr 1, 2024
Primary completion
Oct 1, 2026 (estimated)
Completion
Jan 8, 2027 (estimated)
Last update
Oct 1, 2026

Study contacts

Clinical Transparency dept. 2834
study director · Novo Nordisk A/S

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion