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Clinical trial

TRAMmoniTTR Study Genetic Screening of an At-risk Population for hATTR and Monitoring of TTR Positive Subjects (TRAMmoniTTR)

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Last updated:10th Oct 2023
Status: RECRUITING
Identifier: NCT03237494
TRAMmoniTTR Study Genetic Screening of an At-risk Population for hATTR and Monitoring of TTR Positive Subjects (TRAMmoniTTR)


ClinicalTrials.gov ID: NCT03237494

Sponsor: CENTOGENE GmbH Rostock
Information provided by: CENTOGENE GmbH Rostock (Responsible Party)
Last Update Posted: 2023-10-11

Brief Summary:
National, multicenter, epidemiological, longitudinal protocol to investigate the hATTR prevalence in an at-risk population for Hereditary Transthyretin Amyloidosis (hATTR) and subjects diagnosed with hATTR, to monitor the clinical status in TTR positive subjects and to establish hATTR biomarker/s

Detailed Description:
Hereditary TransThyRetin Amyloidosis (hATTR) is a slowly progressive condition, that is transmitted as an autosomal dominant trait and is characterized by abnormal extracellular deposits of fibrillar, misfolded proteins (amyloid fibrils) in the body. Amyloid fibrils can be deposited in different body compartments, such as the nerves, heart, gastrointestinal tract, kidneys and brain, causing severe structural changes. More than 30 proteins can trigger the formation of amyloid fibrils, 5 of which can infiltrate the heart and cause cardiac amyloidosis.

One of these amyloidogenic protein is transthyretin, formerly known as prealbumin. Transthyretin (TTR) is found primarily in the serum (secreted by the liver) and cerebrospinal fluid (secreted by the choroid plexus) and functions as a carrier for the hormone thyroxine (T4) and retinol-binding protein (bound to retinol or vitamin A). The destabilization of the TTR protein and the formation of misfolded TTR.

It is the goal of this study to investigate the prevalence of Hereditary Transthyretin-related Amyloidosis (hATTR) in a cohort of 5.000 subjects are at risk for Hereditary Transthyretin Amyloidosis (hATTR) and subjects diagnosed with hATTR, to monitor the clinical status in TTR positive subjects and to establish hATTR biomarker/s.

Official Title:
Genetic Screening of an At-risk Population for Hereditary TransthyRetin-related AMyloidosis and Longitudinal Monitoring of TTR Positive Subjects- A Multicenter Epidemiological Longitudinal Protocol

Category Value
Study Start (Actual) 2017-07-20
Primary Completion (Estimated)
2025-04-30
Study Completion (Estimated) 2025-04-30
Enrollment (Estimated) 5000
Study Type Observational
Other Study ID Numbers

TRAM2 analysis


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