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Phenotyping and Characterization of wtATTR-CM (TRACE 1)

Quality of Life Clinical Trial

Official title:
Phenotyping and Characterization of Danish Wild-type Transthyretin Amyloidosis Cardiomyopathy Patients: A Cross-sectional Study

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

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
View Details
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