Related Experiment Video
Updated: Jul 4, 2025

Author Spotlight: Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System
Published on: May 12, 2023
Clinical Translation of Cardiovascular Biomarkers - A Long and Uncertain Road
Jonathan W Cunningham1, Marc A Pfeffer1
1Cardiovascular Division, Brigham and Women's Hospital, Boston.
Insights
Novel cardiovascular biomarkers are crucial for research, risk assessment, and targeted therapies. Evaluating their clinical utility requires assessing reproducibility, added information value, and impact on patient care.
Area of Science:
- Cardiovascular Medicine
- Biomarker Discovery
- Clinical Diagnostics
Background:
- Cardiovascular biomarkers are vital for understanding disease mechanisms and guiding patient treatment.
- A 2007 framework proposed by Morrow and de Lemos outlines criteria for evaluating new cardiovascular biomarkers.
- These criteria focus on reproducibility, incremental information, and clinical utility in patient care.
Discussion:
- The clinical utility of a biomarker is paramount in distinguishing research tools from clinical instruments.
- Reproducibility in clinical laboratory settings is a fundamental requirement for biomarker adoption.
- Assessing whether a biomarker provides new information beyond existing diagnostic tests is critical.
Key Insights:
- Novel biomarkers must demonstrate consistent and reliable measurement.
- The added value of a biomarker over current tests determines its clinical significance.
- The ultimate test for a biomarker is its ability to improve patient management and outcomes.
Outlook:
- Future research should focus on biomarkers that directly enhance clinical decision-making.
- Development of robust assays is essential for the widespread clinical application of cardiovascular biomarkers.
- Translating research biomarkers into clinically actionable tools remains a key challenge in cardiovascular medicine.
Abstract:
Biomarkers in cardiovascular medicine serve to probe disease mechanisms for research, assist in risk stratification, and - in the best cases - guide precise therapies to appropriate patients. In a classic 2007 article, Morrow and de Lemos1 proposed three criteria by which to evaluate novel cardiovascular biomarkers for clinical use. First, can the biomarker be measured reproducibly in clinical laboratories? Second, does the biomarker add incremental new information to existing tests? And third, will the measurement of the biomarker assist in the care of patients? The answer to the third question often distinguishes a research tool from a clinical instrument.
Related Concept Videos
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...

