Related Experiment Video
Updated: Sep 16, 2025

Author Spotlight: Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System
Published on: May 12, 2023
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.
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.
Abstract:
Clinical endpoint classification (CEC)-that is, evaluation of clinical events using pre-defined criteria-is commonly conducted in clinical trial operations to ensure systematic and consistent assessment of endpoints needed to assess the intervention's safety and efficacy. This is particularly relevant for heart failure (HF) trials given the subjective decision-making around hospitalizations and variation in how worsening HF events are managed (both in hospital and in ambulatory settings). Several CEC strategies have been adopted to address the growing need for pragmatic clinical trials that enhance generalizability and minimize research burden on trial sites and patients. This review summarizes common CEC strategies including the traditional approach, investigator-reported endpoints, CEC using real-world data and CEC utilizing large language models. We summarize CEC strategies used in recent HF pragmatic trials and present challenges and considerations for CEC in HF pragmatic trials from the selection of clinical endpoints and data collection to CEC.
More Related Videos
Related Concept Videos
Heart Failure IV: Classification and Diagnostic Evaluation
Pathophysiology of Heart Failure
Heart Failure V: Medical Management
Heart Failure III: Clinical Manifestations
Heart Failure VI: Adjunct Therapies
Heart Failure VII: Nursing Interventions

