Reperfusion After Fibrinolytic Therapy (RAFT): An open-label, multi-centre, randomised controlled trial of bivalirudin versus heparin in rescue percutaneous coronary intervention
Randomized controlled trial published in PloS one (2021)
Abstract
BACKGROUND: The safety and efficacy profile of bivalirudin has not been examined in a randomised controlled trial of patients undergoing rescue PCI. OBJECTIVES: We conducted an open-label, multi-centre, randomised controlled trial to compare bivalirudin with heparin ± glycoprotein IIb/IIIa inhibitors (GPIs) in patients undergoing rescue PCI. METHODS: Between 2010-2015, we randomly assigned 83 patients undergoing rescue PCI to bivalirudin (n = 42) or heparin ± GPIs (n = 41). The primary safety endpoint was any ACUITY (Acute Catheterization and Urgent Intervention Triage Strategy) bleeding at 90 days. The primary efficacy endpoint was infarct size measured by peak troponin levels as a multiple of the local upper reference limit (Tn/URL). Secondary endpoints included periprocedural change in haemoglobin adjusted for red cells transfused, TIMI (Thrombolysis in Myocardial Infarction) bleeding, ST-segment recovery and infarct size determined by the Selvester QRS score. RESULTS: The trial was terminated due to slow recruitment and futility after an interim analysis of 83 patients. The primary safety endpoint occurred in 6 (14%) patients in the bivalirudin group (4.8% GPIs) and 3 (7.3%) in the heparin ± GPIs group (54% GPIs) (risk ratio, 1.95, 95% confidence interval [CI], 0.52-7.3, P = 0.48). Infarct size was similar between the two groups (mean Tn/URL, 730 [±675] for bivalirudin, versus 984 [±1585] for heparin ± GPIs, difference, 254, 95% CI, -283-794, P = 0.86). There was a smaller decrease in the periprocedural haemoglobin level with bivalirudin than heparin ± GPIs (-7.5% [±15] versus -14% [±17], difference, -6.5%, 95% CI, -0.83-14, P = 0.0067). The rate of complete (≥70%) ST-segment recovery post-PCI was higher in patients randomised to heparin ± GPIs compared with bivalirudin. CONCLUSIONS: Whether bivalirudin compared with heparin ± GPI reduces bleeding in rescue PCI could not be determined. Slow recruitment and futility in the context of lower-than-expected bleeding event rates led to the termination of this trial (ANZCTR.org.au, ACTRN12610000152022).
Abstract sourced from PubMed (NCBI) for the cited record. See the original publication for the authoritative version.
Resumen
The safety and efficacy profile of bivalirudin has not been examined in a randomised controlled trial of patients undergoing rescue PCI.
Por qué esto importa para la hirudoterapia
Este ensayo controlado aleatorizado, abierto y multicéntrico comparó la bivalirudina con heparina ± inhibidores de la glucoproteína IIb/IIIa en 83 pacientes sometidos a intervención coronaria percutánea de rescate, con criterios de valoración primarios de sangrado ACUITY a los 90 días y tamaño del infarto medido mediante el pico de troponina. El ensayo se interrumpió de forma anticipada debido al reclutamiento lento y a la futilidad tras un análisis intermedio; no se observó una diferencia estadísticamente significativa en el criterio principal de sangrado, aunque la bivalirudina mostró una menor disminución periprocedimiento de la hemoglobina. El resumen nombra la bivalirudina y la heparina como anticoagulantes, pero no menciona la hirudina, las sanguijuelas, la terapia con sanguijuelas ni el secretoma de la sanguijuela. Por lo tanto, no existe una relevancia defendible para el dominio de hirudoterapia/secretoma de la sanguijuela de ASH a partir únicamente del resumen, y la muestra, pequeña y con el ensayo interrumpido, limita las conclusiones.
Citación
Reperfusion After Fibrinolytic Therapy (RAFT): An open-label, multi-centre, randomised controlled trial of bivalirudin versus heparin in rescue percutaneous coronary intervention
Faour A et al. · PloS one, 2021
Contexto clínico relacionado
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Añadido a la biblioteca ASH: May 27, 2026 · Última actualización del sitio: 18 de junio de 2026