Heart failure & cardiomyopathies

A Multicenter Study of Contemporary Long-Term Tafamidis Outcomes in Transthyretin Amyloid Cardiomyopathy

JACC CardioOncolPublished Retrospective cohort study

Authors' conclusion

In a contemporary cohort of tafamidis-treated patients with ATTR-CM, 39% of patients died over a median of 43 months.

Study context

Population
Patients with ATTR-CM treated with tafamidis at 5 US amyloidosis centres, 2018–2021
Participants
624 patients
Outcome
All-cause mortality
Methodological detailsmulticentre, 5 US amyloidosis centres
  • Multicentre
  • 5 US amyloidosis centres

Main finding

As reported in the abstract

Died over median follow-up 43.2 months (Q1-Q3: 25.2-52.8 months)

241 patients

38.6%

Probability of freedom from death at 65 months

54.1%

95% CI 47.4%–60.4%

Observational data: associations, not effects.

Further findings

OutcomeValues
Survival, tafamidis started within 6 months of ATTR-CM diagnosis (subgroup) · 65 monthsTafamidis within 6 months 49.6% (95% CI 37.6%–60.5%)
  • Survival, tafamidis started within 6 months of ATTR-CM diagnosis (subgroup): n = 397, 63.6%

Original publication

A Multicenter Study of Contemporary Long-Term Tafamidis Outcomes in Transthyretin Amyloid Cardiomyopathy. JACC CardioOncol. Published 11 February 2025. doi:10.1016/j.jaccao.2024.12.005

Summarised from the published abstract; every number is checked against it

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