Valvular & structural heart disease

Transcatheter valve repair of tricuspid regurgitation: 1-year outcomes from the TriCLASP study

EuroInterventionPublished prospective, single-arm, European post-market study

Authors' conclusion

The 1-year results of the TriCLASP study confirm the safety and effectiveness of T-TEER with the PASCAL system in patients with ≥severe TR. Patients experienced significant TR reduction, low mortality, high freedom from HFH, and significant improvements in symptoms, functional capacity, and quality of life.

Study context

Population
Patients with ≥severe tricuspid regurgitation (TR)
Participants
300 enrolled patients
Outcome
Baseline characteristics

Main finding

As reported in the abstract

Mean age

80.1 years

Female

52.0%

≥severe TR

75.8%

Observational data: associations, not effects.

Further findings

TR reduced to ≤moderate · 1 year

Patients with TR reduced to ≤moderate
87.7%
  • p<0.001

Survival and freedom from heart failure hospitalisation (HFH), Kaplan-Meier estimates · 1 year

Survival
88.3±1.9%
Freedom from HFH
83.2±2.3%

Annualised HFH rates, 12 months pre- versus post-procedure

Decrease in annualised HFH rates
72.2%
  • p<0.001

Functional and quality-of-life outcomes, baseline to 1 year

Patients in New York Heart Association Class I/II
74.5%
Increase in 6-minute walk distance
29.4-metre
Increase in Kansas City Cardiomyopathy Questionnaire score
8.3-point
  • p<0.001

Safety

Composite major adverse events (MAE) · 30 days and 1 year

MAE rate at 30 days
1.7%
MAE rate at 1 year
12.7%

Original publication

Transcatheter valve repair of tricuspid regurgitation: 1-year outcomes from the TriCLASP study. EuroIntervention. Published 4 August 2025. doi:10.4244/eij-d-24-01174

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