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Internal and Emergency Medicine

, Volume 13, Issue 6, pp 873–880 | Cite as

Epigallocatechin-3-gallate tolerability and impact on survival in a cohort of patients with transthyretin-related cardiac amyloidosis. A single-center retrospective study

  • Francesco CappelliEmail author
  • Raffaele Martone
  • Giulia Taborchi
  • Sofia Morini
  • Simone Bartolini
  • Paola Angelotti
  • Silvia Farsetti
  • Carlo Di Mario
  • Federico Perfetto
IM - ORIGINAL

Abstract

Transthyretin-related (ATTR) cardiac amyloidosis is currently lacking a disease-modifying therapy. Despite demonstration of effectiveness in halting amyloid deposition, no study focused on epigallocatechin-3-gallate (EGCG) impact on patient survival. We sought to explore prognostic impact of EGCG in a cohort of lone cardiac ATTR patients. From the Florence Tuscan Regional Amyloid Centre database, we retrospectively selected ATTR patients treated with EGCG (675mg daily dose) for a minimum of 9 months, between March 2013 and December 2016. As a control group, we selected ATTR patients who received guideline-directed medical therapy alone. End point of the study was time to all cause death or cardiac transplantation. Sixty-five patients (30 treatment groups vs. 35 control groups) had a median follow-up of 691 days. There were no differences in baseline characteristics between groups. Five deaths occurred in EGCG group versus eight in control group; one patient underwent effective cardiac transplantation in EGCG group. There was no difference in survival estimates between EGCG and control group (60 ± 15% vs. 61 ± 12%, p = 0.276). EGCG was well tolerated, without major safety concerns. In a real-world cohort of ATTR patients with lone cardiac involvement, EGCG was a safe therapeutic option, but was not associated with survival improvement.

Keywords

Epigallocatechin-3-gallate Transthyretin amyloid Cardiac amyloid Survival 

Notes

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Statement of human and animal rights

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© SIMI 2018

Authors and Affiliations

  • Francesco Cappelli
    • 1
    • 2
    Email author
  • Raffaele Martone
    • 2
  • Giulia Taborchi
    • 2
  • Sofia Morini
    • 2
  • Simone Bartolini
    • 2
  • Paola Angelotti
    • 1
  • Silvia Farsetti
    • 1
  • Carlo Di Mario
    • 2
  • Federico Perfetto
    • 1
  1. 1.Tuscan Regional Amyloid CenterCareggi University HospitalFlorenceItaly
  2. 2.Interventional Structural Cardiology DivisionCareggi University HospitalFlorenceItaly

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