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Gary Michael Felker

Professor of Medicine
Medicine, Cardiology
Duke Box 3850, Durham, NC 27710
7th FL 2400 Pratt St, Durham, NC 27705

Current Appointments & Affiliations


Professor of Medicine · 2014 - Present Medicine, Cardiology, Medicine
Member in the Duke Clinical Research Institute · 2002 - Present Duke Clinical Research Institute, Institutes and Centers

Recent Publications


Developing therapeutics for rare cardiovascular diseases.

Journal Article Am Heart J · February 2026 Rare cardiovascular diseases, while individually uncommon, collectively affect millions of people worldwide and are associated with significant morbidity, mortality, and economic burden. Despite this considerable impact, most rare cardiovascular diseases l ... Full text Link to item Cite

Serum magnesium and outcomes in heart failure with reduced ejection fraction: the GALACTIC-HF trial.

Journal Article Eur Heart J · January 5, 2026 BACKGROUND AND AIMS: The frequency and prognostic significance of abnormalities in serum magnesium concentrations have not been described in a contemporary heart failure (HF) population. The authors evaluated the prognostic significance of magnesium concen ... Full text Link to item Cite

Biomarker-Guided Cardioprotection for Patients Treated With Anthracyclines: A Randomized Clinical Trial.

Journal Article JAMA Netw Open · December 1, 2025 IMPORTANCE: There are gaps in the understanding of the clinical actionability of cardiovascular biomarkers for risk stratification during cardiotoxic chemotherapy. OBJECTIVES: To gain insights into an N-terminal pro-B-type natriuretic peptide (NT-proBNP)-g ... Full text Link to item Cite
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Recent Grants


Omecamtiv Mecarbil CV Outcomes Trial

Clinical TrialPrincipal Investigator · Awarded by Cytokinetics, Inc. · 2024 - 2028

Mid-Atlantic praGmatic NETwork for Inclusive Clinical trials in emergency care (MAGNETIC)

ResearchCo Investigator · Awarded by National Institute of Neurological Disorders and Stroke · 2023 - 2028

Integrated Biostatistical Training for CVD Research

Inst. Training Prgm or CMEMentor · Awarded by North Carolina State University · 2022 - 2027

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Education, Training & Certifications


Duke University · 1993 M.D.