Screening, Characterization, and Longitudinal Follow-up of Patients With Cardiac Amyloidosis
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- This is an observational study: the protocol does not assign a study treatment.
- Who it may be relevant to
- Registry conditions: Amyloidosis Cardiac, Heart Failure, Cardiac MRI, Spectroscopic Analysis. Basic parameters: from 18 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- Germany
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Overview
Cardiac amyloidosis is a progressive disorder caused by extracellular deposition of amyloid fibrils in the heart, leading to heart failure and impaired cardiac function. Early diagnosis and targeted therapies are essential to improve patient outcomes. This prospective, single-center study aims to longitudinally follow patients with suspected cardiac amyloidosis to characterize disease progression and assess treatment effects. Participants will undergo cardiac magnetic resonance imaging (resting and exercise stress MRI), magnetic resonance spectroscopy, cardiopulmonary exercise testing (spiroergometry) and blood testing at baseline and at 6, 12, and 24 months
Detailed description
This study is designed to longitudinally evaluate patients with cardiac amyloidosis. Patients undergoing clinically indicated diagnostic work-up for amyloidosis prior to initiation of specific therapy.
Participants will undergo comprehensive baseline assessments including resting cardiac MRI, exercise stress MRI, magnetic resonance spectroscopy, pulmonary function testing, cardiopulmonary exercise testing (spiroergometry) as well as blood testing including biomarkers relevant to cardiac amyloidosis (e.g., NT-proBNP, troponin, serum free light chains, immunofixation, and other routine laboratory parameters). Patients will be seen at 3 and 9 months as part of routine clinical care. Study-specific assessments, including imaging and functional testing, will be performed at 6, 12, and 24 months. Imaging, functional and laboratory findings will be correlated with clinical characteristics, laboratory parameters, and treatment over time to improve disease characterization, monitoring, and understanding of disease progression in cardiac amyloidosis.
The study aims to systematically characterize cardiac structure and function, disease phenotype, and clinical status, and to assess their evolution over time. Additional data collected within the study will not influence clinical management and are intended solely for scientific analysis.
The overall objective is to improve understanding of disease progression and treatment effects through comprehensive phenotyping and follow-up in a real-world clinical setting
Primary outcome measures
- Changes in myocardial structural parameters [Time frame: after 6 and 12 months]
- Changes in myocardial function [Time frame: after 6 and 12 months]
- Changes in myocardial metabolism under therapy [Time frame: after 6 and 12 months]
Secondary outcome measures (1)
- Changes in heart rate reserve [Time frame: after 6 and 12 months]
Eligibility criteria
Inclusion criteria
- Age > 18 years
- Male and female patients undergoing clinically indicated diagnostic work-up for amyloidosis or with a previously confirmed diagnosis of cardiac amyloidosis prior to initiation of therapy
- Presence of left ventricular wall thickness > 12 mm on transthoracic echocardiography and at least one "red flag" suggestive of cardiac amyloidosis (according to ESC 2021 criteria) or an otherwise clinically established suspicion of amyloidosis
- Written informed consent
Exclusion criteria
- Age < 18 years
- Contraindications to cardiac MRI (e.g., metallic foreign bodies, older-generation pacemakers, severe obesity, claustrophobia)
- Lack of written informed consent for study participation
- Inability to comply with the study procedures
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Observational model
- Cohort
Study locations
Germany · 1 center
- University Hospital Duesseldorf — Düsseldorf
Identifiers
NCT: NCT07577466 · Cardiac Amyloidosis