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Heart Drug Beta Blockers May Not Help Everyone

Published on June 21, 2026, 12:41 p.m.
Heart Drug Beta Blockers May Not Help Everyone

Topic: Health

A large clinical trial found that beta blockers, a common heart drug, may not benefit everyone who takes them after a heart attack. The study followed over 8,500 patients and showed that the drug did not reduce death or repeat heart attacks in people with good heart function.

For decades, doctors have prescribed beta blockers to many patients after a heart attack. These drugs are widely used for cardiac conditions and were considered a standard part of recovery after myocardial infarction. However, a recent clinical trial has challenged this practice.

The REBOOT Trial, led by Dr. Valentin Fuster, followed over 8,500 patients from Spain and Italy who had an uncomplicated heart attack and good heart function. The patients were randomly assigned to take beta blockers or not. Everyone received standard care, and the researchers tracked their progress for almost four years.

The results showed that beta blockers did not significantly reduce death, repeat heart attacks, or hospitalization for heart failure in these patients. This finding could have major implications for how doctors treat heart attack patients.

Dr. Fuster said, 'This trial will reshape all international clinical guidelines.' It joins other landmark trials that have already transformed global approaches to cardiovascular disease.

Why It Matters

These findings are important because they suggest that doctors may not need to prescribe beta blockers to everyone who has a heart attack. This could help reduce unnecessary medication use, limit side effects, and make recovery regimens easier to follow.

Key Facts

  • The REBOOT Trial followed over 8,500 patients from Spain and Italy who had an uncomplicated heart attack and good heart function.
  • Patients were randomly assigned to take beta blockers or not. Everyone received standard care, and the researchers tracked their progress for almost four years.
  • The results showed that beta blockers did not significantly reduce death, repeat heart attacks, or hospitalization for heart failure in these patients.
  • Over 80 percent of patients with uncomplicated myocardial infarction are currently sent home on beta blockers.

Key Terms

Myocardial Infarction
A heart attack that occurs when the blood flow to the heart is blocked

Implications

These findings are important because they suggest that doctors may not need to prescribe beta blockers to everyone who has a heart attack. This could help reduce unnecessary medication use, limit side effects, and make recovery regimens easier to follow.


Source: https://www.sciencedaily.com/releases/2026/05/260524021151.htm

Journal Reference:

  1. Borja Ibanez, Roberto Latini, Xavier Rossello, Alberto Dominguez-Rodriguez, Felipe Fernández-Vazquez, Valentina Pelizzoni, Pedro L. Sánchez, Manuel Anguita, José A. Barrabés, Sergio Raposeiras-Roubín, Stuart Pocock, Noemí Escalera, Lidia Staszewsky, Carlos Nicolás Pérez-García, Pablo Díez-Villanueva, Jose-Angel Pérez-Rivera, Oscar Prada-Delgado, Ruth Owen, Gonzalo Pizarro, Onofre Caldes, Sandra Gómez-Talavera, José Tuñón, Matteo Bianco, Jesus Zarauza, Alfredo Vetrano, Ana Campos, Susana Martínez-Huertas, Héctor Bueno, Miguel Puentes, Giulietta Grigis, Juan L. Bonilla-Palomas, Elvira Marco, José R. González-Juanatey, Roi Bangueses, Carlos González-Juanatey, Ana García-Álvarez, Juan Ruiz-García, Anna Carrasquer, Juan C. García-Rubira, Domingo Pascual-Figal, Carlos Tomás-Querol, J. Alberto San Román, Pasquale Baratta, Jaume Agüero, Roberto Martín-Reyes, Furio Colivicchi, Rosario Ortas-Nadal, Pablo Bazal, Alberto Cordero, Antonio Fernández-Ortiz, Pierangelo Basso, Eva González, Fabrizio Poletti, Giulia Bugani, Marzia Debiasio, Deborah Cosmi, Alessandro Navazio, Javier Bermejo, Giovanni Tortorella, Marco Marini, Javier Botas, José M. de la Torre-Hernández, Filippo Ottani, Valentín Fuster. Beta-Blockers after Myocardial Infarction without Reduced Ejection Fraction. New England Journal of Medicine, 2025; 393 (19): 1889 DOI: 10.1056/NEJMoa2504735
  2. Xavier Rossello, Alberto Dominguez-Rodriguez, Roberto Latini, Pedro L Sánchez, Sergio Raposeiras-Roubín, Manuel Anguita, José A Barrabés, Giulietta Grigis, Ruth Owen, Stuart Pocock, Sandra Gómez-Talavera, Ines García-Lunar, Noemí Escalera, Carlos Nicolás Pérez-García, Stefania Angela Di Fusco, Gonzalo Pizarro, María López Benito, Giulia Pongetti, Luis M Rincón-Díaz, Irene Buera, José Rozado, María Jesús García, Oscar Prada-Delgado, Deborah Cosmi, Valentín Fuster, Borja Ibanez. Beta-blockers after myocardial infarction: effects according to sex in the REBOOT trial. European Heart Journal, 2025; DOI: 10.1093/eurheartj/ehaf673

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