Quality of life assessment in amyloid transthyretin (ATTR) amyloidosis

Alberto Aimo, Claudio Rapezzi, Federico Perfetto, Francesco Cappelli, Giovanni Palladini, Laura Obici, Giampaolo Merlini, Gianluca Di Bella, Matteo Serenelli, Mattia Zampieri, Paolo Milani, Roberto Licordari, Lucio Teresi, Nicolò Ribarich, Vincenzo Castiglione, Filippo Quattrone, Sabina De Rosis, Giuseppe Vergaro, Giorgia Panichella, Michele EmdinClaudio Passino

Research output: Contribution to journalReview articlepeer-review

Abstract

Background: Amyloid transthyretin (ATTR) amyloidosis is caused by the systemic deposition of transthyretin molecules, either normal (wild-type ATTR, ATTRwt) or mutated (variant ATTR, ATTRv). ATTR amyloidosis is a disease with a severe impact on patients’ quality of life (QoL). Nonetheless, limited attention has been paid to QoL so far, and no specific tools for QoL assessment in ATTR amyloidosis currently exist. QoL can be evaluated through patient-reported outcome measures (PROMs), which are completed by patients, or through scales, which are compiled by clinicians. The scales investigate QoL either directly or indirectly, i.e., by assessing the degree of functional impairment and limitations imposed by the disease. Design: Search for the measures of QoL evaluated in phase 2 and phase 3 clinical trials on ATTR amyloidosis. Results: Clinical trials on ATTR amyloidosis have used measures of general health status, such as the Short Form 36 Health Survey (SF-36), or tools developed in other disease settings such as the Kansas City Cardiomyopathy Questionnaire (KCCQ) or adaptations of other scales such as the modified Neuropathy Impairment Score +7 (mNIS+7). Conclusions: Scales or PROMs for ATTR amyloidosis would be useful to better characterize newly diagnosed patients and to assess disease progression and response to treatment. The ongoing ITALY (Impact of Transthyretin Amyloidosis on Life qualitY) study aims to develop and validate 2 PROMs encompassing the whole phenotypic spectrum of ATTRwt and ATTRv amyloidosis, that might be helpful for patient management and may serve as surrogate endpoints for clinical trials.

Original languageEnglish
JournalEuropean Journal of Clinical Investigation
DOIs
Publication statusAccepted/In press - 2021

Keywords

  • ATTR amyloidosis
  • PROMs
  • quality of life
  • scales
  • transthyretin

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry

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