Clinical Characteristics and Predictors of Adverse Outcomes in HFpEF

November 28, 2024 updated by: Ya-Wei Xu

Exploring Clinical Characteristics and Predictors of Adverse Outcomes in Patients Diagnosed With Heart Failure With Preserve Ejection Fraction (HFpEF)

Heart failure with preserved ejection fraction (HFpEF) is a prevalent form of heart failure characterized by impaired left ventricle pressures and diastolic dysfunction. Despite its increasing prevalence, effective treatment options for HFpEF remain limited, probably due to its heterogenous underlying pathological etiology involving chronic systemic inflammation and metabolic dysregulation. Identifying new predictors of poor prognosis is crucial for risk stratification and tailored management.

Study Overview

Detailed Description

The prognosis for HFpEF is concerning, marked by significant mortality and frequent hospital readmissions. The exact mechanisms underlying HFpEF remain unresolved. The clinical syndrome arises from intricate interactions among various risk factors, leading to organ dysfunction and clinical symptoms. Common co-morbidities, including atrial fibrillation, diabetes, chronic kidney disease, and obesity, may influence HFpEF pathophysiology. Recent discussions suggest an inflammatory-metabolic phenotype in HFpEF, characterized by heightened inflammatory biomarkers, insulin resistance, hyperglycemia, hyperlipidemia, microvascular endothelial and vascular dysfunction, atherosclerosis, consequently leading to significant myocardial damage. However, there is still a lack of clinical risk predictors associated with metabolic phenotype within HFpEF.

The aim of this study is to investigate the impact of parameters reflecting the metabolic phenotype, coronary microvascular dysfunction in HFpEF and establish their correlation with clinical outcomes. The objective is to identify novel predictors for adverse prognosis in HFpEF, potentially serving as targets for drug therapy. This research aims to pave the way for targeted drug interventions in cardiometabolic diseases, offering new avenues for therapeutic approaches.

Study Type

Observational

Enrollment (Actual)

584

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with Heart failure with preserved ejection fraction(HFpEF)

Description

Inclusion Criteria:

  • Patients diagnosed with HFpEF; Diagnostic criteria for HFpEF

    • Presence of heart failure signs/symptoms symptoms
    • Preserved left ventricular ejection fraction (EF) ≥50%
    • BNP≥35 pg/mL and/or NTproBNP≥125 pg/mL;
    • At least one additional criteria: presence of cardiac functional and structural abnormalities or diastolic dysfunction.

Exclusion Criteria:

  • LVEF lower than 50%
  • Patients with serious hepatic and renal failure,
  • Non-cardiac causes of dyspnea, such as, asthma
  • Primary pulmonary hypertension.
  • Severe valvular heart disease.
  • Pericardial disease.
  • Recent history of myocardial infarction.
  • Coronary artery disease (stenosis>50).
  • Reduced contrast opacification (for caIMR assessment).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
HFpEF patients with metabolic abnormalities
Differences in clinical characteristics, history, laboratory biomarkers, echocardiographic measurements, angiographic findings, coronary microvascular function using caIMR and clinical outcomes were assessed between the two groups to identify potential risk factors. Subsequently, the incidence of clinical outcomes and mortality was compared. Univariate logistic regression and multivariate logistic regression analyses, adjusted for significant risk factors, were conducted to identify independent predictive factors. Finally, a Receiver Operating Characteristic (ROC) curve was generated, and the area under the curve was evaluated to assess the predictive accuracy of the regression model.
HFpEF patients without metabolic abnormalities
Differences in clinical characteristics, history, laboratory biomarkers, echocardiographic measurements, angiographic findings, coronary microvascular function using caIMR and clinical outcomes were assessed between the two groups to identify potential risk factors. Subsequently, the incidence of clinical outcomes and mortality was compared. Univariate logistic regression and multivariate logistic regression analyses, adjusted for significant risk factors, were conducted to identify independent predictive factors. Finally, a Receiver Operating Characteristic (ROC) curve was generated, and the area under the curve was evaluated to assess the predictive accuracy of the regression model.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Composite Events
Time Frame: From the time of hospital discharge until the event of specific outcome, death, or loss to follow up, maximum 10 years.
The composite events include a composite of all-cause mortality (death due to any cause), cardiovascular mortality (death due to cardiac cause), and heart failure rehospitalization.
From the time of hospital discharge until the event of specific outcome, death, or loss to follow up, maximum 10 years.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 9, 2015

Primary Completion (Actual)

September 30, 2023

Study Completion (Actual)

September 30, 2023

Study Registration Dates

First Submitted

January 18, 2024

First Submitted That Met QC Criteria

January 18, 2024

First Posted (Actual)

January 29, 2024

Study Record Updates

Last Update Posted (Estimated)

December 2, 2024

Last Update Submitted That Met QC Criteria

November 28, 2024

Last Verified

November 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • HFpEF-CCPO

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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