Phenotyping & Characterization of wtATTR-CM (TRACE 1)

Status Recruiting

Clinical Trial Summary

Descriptive cross-sectional study on 100 consecutive ATTRwt-CM patients reflecting all NAC stages aiming primarily to investigate ATTRwt-CM patient's quality of life (QoL) measures and their relation to ATTRwt-CM severity. Secondarily aiming to investigate the possibility to measure misTTR and fragTTR in plasma and urine and to detect fragTTR in endomyocardial biopsies from ATTRwt-CM patients. To investigate whether misTTR and fragTTR levels are correlated with ATTRwt-CM severity.

Clinical Trial Description

Hypothesis: 1. We hypothesize that more severe wild-type amyloidosis cardiomyopathy (ATTRwt-CM) according to clinical, biochemical, and diagnostic imaging parameters are correlated with worse quality of life (QoL) for patients. 2. We expect misfolded (misTTR) and/or fragmented transthyretin (fragTTR) to be measurable in plasma and/or urine and fragTTR to be detectable in endomyocardial biopsies from patients with ATTRwt-CM. We expect the values of misTTR and fragTTR to be correlated with the severity of ATTRwt-CM according to clinical, biochemical, and diagnostic imaging parameters. We expect the level of fragTTR from endomyocardial biopsies to be correlated with plasma levels of fragTTR. Method: ATTRwt-CM patients: Prospective inclusion of 100 consecutive ATTRwt-CM patients reflecting all NAC stages (40 patients from NAC disease stage 1, 40 patients from NAC disease stage II and 20 patients from NAC disease stage III). Patients will be recruited from the out-patient amyloidosis clinic at Aarhus University hospital. Patients will be thoroughly clinically assessed. Control patients: A control cohort of 20 age- and gender-matched heart-healthy patients will be included for comparison of total/mis-/fragTTR values. The investigating into QoL, bio markers and the analyses on cardiac MR imaging markers will hopefully provide us with tools to evaluate and monitor disease progression and response to treatment. ;

Study Design

Related Conditions & MeSH terms

Amyloid Neuropathies, Familial
Amyloidosis
Cardiomyopathies
Quality of Life
Transthyretin Amyloid Cardiomyopathy
Transthyretin Amyloidosis
Wild-Type Transthyretin-Related (ATTR)Amyloidosis

Clinical Trial Details

NCT number	NCT06291805
Study type	Observational
Source	Aarhus University Hospital Skejby
Contact	Sie Kronborg Fensman, MD
Phone	+45 30 48 88 85
Email	siefensman@gmail.com
Status	Recruiting
Phase
Start date	February 20, 2024
Completion date	December 2025

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Phenotyping and Characterization of wtATTR-CM (TRACE 1)

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms