Clinical endpoints in pragmatic heart failure trials: From data collection to clinical endpoint classification

Veraprapas Kittipibul1,2, Harriette G C Van Spall3,4, William Schuyler Jones1,2

  • 1Division of Cardiology, Duke University Medical Center, Durham, North Carolina, USA.

ESC Heart Failure
|July 9, 2025
PubMed

Insights

Clinical endpoint classification (CEC) ensures consistent trial data. This review explores CEC strategies for heart failure (HF) trials, including traditional methods, real-world data, and large language models, to improve pragmatic trial design.

Area of Science:

  • Clinical trials methodology
  • Cardiovascular research
  • Health informatics

Background:

  • Clinical endpoint classification (CEC) is crucial for consistent assessment of safety and efficacy in clinical trials.
  • Heart failure (HF) trials face challenges due to subjective event evaluation and variable management of worsening HF.
  • Pragmatic clinical trials require efficient CEC strategies to enhance generalizability and reduce participant burden.

Purpose of the Study:

  • To review and summarize common clinical endpoint classification (CEC) strategies.
  • To examine CEC approaches utilized in recent heart failure (HF) pragmatic trials.
  • To identify challenges and considerations for implementing CEC in HF pragmatic trials.

Main Methods:

  • Literature review of common CEC strategies.
  • Analysis of CEC approaches in recent heart failure pragmatic trials.
  • Discussion of challenges from endpoint selection to data collection and classification.

Main Results:

  • Common CEC strategies include traditional methods, investigator-reported endpoints, real-world data (RWD), and large language models (LLMs).
  • Recent HF pragmatic trials have adopted various CEC strategies to meet trial objectives.
  • Key considerations involve endpoint selection, data collection methods, and the application of advanced technologies like LLMs.

Conclusions:

  • Diverse CEC strategies exist, offering flexibility for pragmatic trials.
  • The choice of CEC strategy impacts trial generalizability and efficiency.
  • Addressing challenges in endpoint definition, data acquisition, and classification is vital for successful HF pragmatic trials.

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