New hope for rare heart disease: experimental drug tested for long-term safety
NCT ID NCT06260709
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests the long-term safety of an experimental drug called NNC6019-0001 in people with transthyretin amyloid cardiomyopathy, a rare heart disease that can lead to heart failure. All 80 participants have already completed an earlier study and will receive the drug every 4 weeks for up to 3 years. Researchers will monitor side effects and measure changes in walking ability, heart function, and quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- NNC6019-0001
- What this could lead to
- If it works, this could point toward a treatment that reduces heart failure symptoms and improves daily function for people with this rare heart disease.
- What could go wrong
- This is a small, early-phase extension study with no placebo group, so results may not prove effectiveness. Long-term safety is still unknown.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2024
- Expected to finish
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Aug 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Completed study intervention in NN6019-4940 and attended the last study visit (week 64; visit 16), and no later than 12 weeks after visit 16. * Expected to be on stable doses of cardiovascular medical therapy 6 weeks prior to the enrolment visit. Exclusion Criteria: * A prior solid organ transplant. * Presence or history of malignant neoplasm (other than basal or squamous cell skin cancer, in-situ carcinomas of the cervix, or in-situ/high grade prostatic intraepithelial neoplasia (PIN) or low-grade prostate cancer) within 5 years before screening. * Current treatment with calcium channel blockers with conduction system effects (e.g., verapamil, diltiazem). The use of dihydropyridine calcium channel blockers is allowed. The use of digoxin will only be allowed if required for management of atrial fibrillation with rapid ventricular response. * Body weight greater than (\>) 120 kilograms (kg) (264.6 pounds \[lb\]) at screening.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Ap-Hp-Hopital Henri Mondor
Créteil, 94000, France
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Cedars-Sinai Medical Center_Los Angeles
Los Angeles, California, 90048, United States
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Centre Hospitalier Universitaire de Toulouse-Hopital Rangueil-1
Toulouse, 31059, France
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Centro per lo Studio e la Cura delle Amiloidosi Sistemiche Fondazione IRCCS Policlinico San Matteo
Pavia, PV, 27100, Italy
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Ctr for Cardiovascular Innovation
Vancouver, British Columbia, V5Z 1M9, Canada
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Fondazione CNR-Regione Toscana Gabriele Monasterio
Pisa, Pi, 56124, Italy
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Fondazione Toscana Gabriele Monasterio - Dipartimento Cardiotoracico - UOC Cardiologia e Medicina Cardiovascolare
Pisa, Pi, 56124, Italy
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Hiroshima University hospital, Cardiovascular Medicine
Hiroshima, 734-8551, Japan
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Hospital Universitario Puerta de Hierro Majadahonda
Majadahonda, Madrid, 28222, Spain
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Hospital da Senhora da Oliveira - Guimarães
Guimarães, 4835-044, Portugal
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Hospital of the University of Occupational and Environmental Health, Cardiology, Nephrology
Fukuoka, 807-8556, Japan
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II. interni klinika VFN - Kardiologie a angiologie
Prague, 12808, Czechia
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Kumamoto University Hospital, Cardiovascular Medicine
Kumamoto-shi, Kumamoto, 860-8556, Japan
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LMU Klinikum München Klinik und Poliklinik 1
München, 81377, Germany
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Mayo Clinic Arizona
Phoenix, Arizona, 85054, United States
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Mayo Clinic Jacksonville
Jacksonville, Florida, 32224, United States
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Mayo Clinic Rochester
Rochester, Minnesota, 55905, United States
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NW Univ-Bluhm Cardiovasc Inst
Chicago, Illinois, 60611, United States
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NW Univ-Bluhm Cardiovasc Inst
Evanston, Illinois, 60208, United States
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Nagasaki University Hospital, Cardiovascular Medicine
Nagasaki, 852-8501, Japan
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Okayama University Hospital_Cardiovascular Medicine
Okayama-shi, Okayama, 700-8558, Japan
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Shinshu University Hospital, Department of Neurology
Nagano, 390-8621, Japan
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Stanford Hlth Cre-Boswell Clin
Stanford, California, 94305, United States
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UMC Groningen
Groningen, 9713 GZ, Netherlands
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Unidade Local De Saude De Tras-Os-Montes E Alto Douro E.P.E.
Vila Real, 5000-508, Portugal
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Unidade Local de Saude do Alto Ave, E.P.E.
Guimarães, 4835-044, Portugal
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Uniklinik Münster, Klinik für Kardiologie I
Münster, 48149, Germany
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UniklinikHeidelberg - Innere Med. III - Kardiologie, Angiologie, Pneumologie
Heidelberg, 69120, Germany
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Univ of MD Schl of Med
Baltimore, Maryland, 21201, United States
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Universitair Medisch Centrum Utrecht
Utrecht, 3584 CX, Netherlands
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Universitatsklinikum Wurzburg AöR
Würzburg, 97078, Germany
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Universitatsklinikum Würzburg - Zentrum für Herzinsuffizienz
Würzburg, 97078, Germany
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University of Calgary_Cardiology
Calgary, Alberta, T2N 4Z6, Canada
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Universitätsklinik Heidelberg Innere Medizin III Kardiologie, Angiologie, Pneumologie
Heidelberg, 69120, Germany
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Universitätsklinikum Münster - Klinik für Kardiologie I
Münster, 48149, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a new infusion slow a heart disease caused by protein clumps?
- Can acoramidis improve daily life for heart amyloidosis patients?
- New drug duo aims to stop rare heart disease in its tracks
- Can a smartphone app keep heart patients out of the hospital? new study aims to find out.
- Experimental drug shows promise for stiff heart disease
- New heart drug acoramidis tested in Real-World setting