Federal government agency

National Heart Lung and Blood Institute Grants

20 open National Heart Lung and Blood Institute grants accepting applications right now. Historical giving: 2,514 grants totaling $1.4B.

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All-time tracked giving
$1.4B
2,514 grants
Median grant size
$547K
Max: $10M

Open National Heart Lung and Blood Institute grants

  • Impact of Asymptomatic CMV on Cardiovascular Event Risk in Treated HIV

    Up to $3.0MDeadline: Jul 31, 2029open

    People with HIV (PWH) remain at higher risk for Type 1 myocardial infarction (T1MI), ischemic stroke, and venous thromboembolism (VTE) than the genera...

  • Optimizing HCT Outcomes: A Multi-omic Investigation

    Up to $2.0MDeadline: May 31, 2030open

    Hematopoietic stem cell transplantation (HCT) is an essential treatment for high-risk non-malignant and malignant hematologic diseases. However, outco...

  • A Novel ENaC Blocker/Osmolyte Inhalation Solution for the Treatment of Muco-Obstructive Lung Diseases

    Up to $2.0MDeadline: Jul 31, 2027open

    Muco-obstructive lung diseases, e.g., COPD, asthma, CF, and PCD, cause major health problems to many citizens of the US. Recent CT data have identifie...

  • Optimized development of novel leaflet biomaterials for replacement heart valves

    Up to $1.4MDeadline: May 31, 2029open

    The ideal replacement heart valve (RHV) should have sufficient durability, resistance to thrombosis, and excellent hemodynamics that lasts the remaini...

  • iPRISM (Imaging-enhanced Prediction of RIsk for Sudden cardiac death in hcM)

    Up to $1.3MDeadline: May 31, 2029open

    Hypertrophic cardiomyopathy (HCM) is an inherited heart condition where the heart is thicker than normal. It is an inheritable genetic condition and t...

  • Molecular and Translational Studies in Hematologic Disorders

    Up to $1.3MDeadline: Feb 28, 2032open

    This application for an NHLBI R35 Outstanding Investigator Award is to continue R35-funded studies on mech- anism of disease in von Willebrand Disease...

  • Precision Circadian Medicine for Shift Workers in the Digital Era

    Up to $1.1MDeadline: Mar 31, 2033open

    /Abstract All essential 24-hr operations (e.g., first responders, hospital services) rely on nightshift workers who forgo nocturnal sleep for work. Th...

  • Estrogen signaling in chronic asthma

    Up to $1.0MDeadline: Jul 31, 2027open

    Epidemiological data show increased incidence and severity of asthma in women, which likely reflects both inherent sex differences and importantly the...

  • Development of a Totally Implanted Left Ventricular Assist Device

    Up to $1.0MDeadline: Feb 29, 2028open

    /Abstract In the United States (US) ~6.5 million people have heart failure (HF), there are ~1 million new cases each year, and ~250,000 patients die o...

  • 2/2 A Phase 2 Study of Elafin (Tiprelestat) for the Treatment of Pulmonary Arterial Hypertension (PAH)

    Up to $937KDeadline: Jul 31, 2030open

    The ATHENA trial represents a new paradigm to slowing the progression of disease in people with pulmonary arterial hypertension (PAH). With our clinic...

  • Aerosolized Chemically Modified Tetracycline Nanoformulation for the Treatment of Acute Respiratory Distress Syndrome

    Up to $887KDeadline: Feb 28, 2028open

    /ABSTRACT CMTx Biotech is a drug development company working to rescue, develop and commercialize a proprietary clinical-stage drug candidate, incycli...

  • Application of Modern Methods to Predict Risk and Estimate Treatment Effectiveness in Cardiogenic Shock

    Up to $817KDeadline: May 31, 2029open

    /ABSTRACT Acute myocardial infarction complicated by cardiogenic shock (AMI-CS) is a major driver of global morbidity and mortality. Due to the chall...

  • Optimizing Medications and Lung Health in People with HIV through Pharmacist-led Proactive E-Consults (OPTIMIZE Lung-HIV)

    Up to $804KDeadline: May 31, 2030open

    /ABSTRACT Despite effective antiretroviral therapy (ART) for people with HIV (PWH), community acquired pneumonia remains a common cause of hospitaliza...

  • RBC-bound cell-free DNA as a predictor of acute anemia in sickle cell disease

    Up to $798KDeadline: Feb 28, 2031open

    /Abstract Sickle cell disease (SCD) is characterized by a chronic, relatively stable anemia that is punctuated by acute drops in hemoglobin. These acu...

  • Incorporating Donor Lung CT Images into Machine Learning Models to Predict Severe Primary Graft Dysfunction after Lung Transplantation

    Up to $782KDeadline: May 31, 2029open

    /ABSTRACT Primary graft dysfunction (PGD) is a form of acute lung injury that occurs in the first 72 hours after lung transplantation. PGD is the lead...

  • Unraveling The Mechanism of Heart Failure in Hypertrophic Cardiomyopathy with Exercise CMR

    Up to $777KDeadline: Jan 31, 2030open

    Hypertrophic cardiomyopathy (HCM) is the most common genetic heart disease, with heart failure (HF) being the most common adverse complication and cau...

  • Endothelial protocadherins in vascular development and disease

    Up to $776KDeadline: May 31, 2029open

    Transcription factors Klf2 and 4 are strongly induced in vascular endothelial cells (ECs) by fluid shear stress from blood flow, where they confer vas...

  • Continuous Positive Airway Pressure, Arousability and Links to Mechanisms in Obstructive Sleep Apnea (CALM-OSA).

    Up to $765KDeadline: May 31, 2030open

    New approaches to understanding the mechanisms of treatments for obstructive sleep apnea (OSA) are desperately needed. OSA affects fifty-four million ...

  • Medial Arterial Calcification in Peripheral Artery Disease

    Up to $761KDeadline: Dec 31, 2028open

    Peripheral artery disease (PAD) is highly prevalent in older adults and is a comorbidity to diseases such as diabetes, chronic kidney disease, and hyp...

  • Hydrogen Sulfide and GLP-1 Combination Therapy to Treat HFpEF

    Up to $759KDeadline: May 31, 2029open

    Heart failure (HF) is a leading cause of cardiovascular morbidity and mortality, imposing a significant healthcare burden on 6.7 million Americans tha...

Where National Heart Lung and Blood Institute grants go

Recent grant recipients are concentrated in these states. Funders sometimes fund outside their primary states for high-fit projects, so don't self-eliminate solely on geography — check each opportunity's stated eligibility.

CAMAPANYTXOHNCMDILMI

How to apply for National Heart Lung and Blood Institute grants

Most National Heart Lung and Blood Institute applications require: an organizational profile with mission and programs, a project proposal aligned with the funder's stated priorities, a project budget, and supporting attachments (IRS determination letter, board list, recent financials). Federal applicants additionally need a SAM.gov UEI and an active Grants.gov account.

Read: How to write a Letter of Inquiry that gets you invited to apply

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