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Neuromodulation to Treat Patients With Heart Failure With Preserved Ejection Fraction
NCT03327649 · View on ClinicalTrials.gov ↗
Study Summary
Heart failure with preserved ejection fraction (HFpEF) is a leading cause of mortality in the elderly. Outcomes of patients with HFpEF are poor and so far, no treatment has been shown to decrease morbidity or mortality. Recent animal and human studies suggest that a systemic proinflammatory state, produced by comorbidities, including aging, plays a central role in the development of HFpEF, supporting the notion that attenuating the proinflammatory state is an attractive therapeutic target for HFpEF. We have previously shown that low-level transcutaneous electrical stimulation of the vagus nerve (tVNS) suppresses inflammation in patients with atrial fibrillation. The overall objective of this proposal is to examine the effects of tVNS on diastolic dysfunction, exercise capacity and inflammation in patients with HFpEF. Our specific aims include: 1. To examine the effect of intermittent (1 hour daily for 3 months) tVNS on diastolic dysfunction and exercise capacity, relative to sham stimulation, in patients with HFpEF and 2. To examine the effect of intermittent (1 hour daily for 3 months) LLTS on inflammatory cytokines relative to sham stimulation, in patients with HFpEF. The proposed proof-of-concept studies will provide the basis for the design of further human studies using LLTS among populations with HFpEF. In light of the increasing number of elderly patients with HFpEF and the poor success of the currently available treatment options, an alternative and novel approach such as tVNS has the potential to impact clinical practice and improve health outcomes among a large number of patients. It is anticipated that these investigations will contribute to the broader understanding of the role of inflammation in the pathogenesis of HFpEF and how its inhibition can be used to provide therapeutic effects. Moreover, it is anticipated that a better understanding of how modulation of inflammation affects one of the hallmarks of HFpEF, diastolic dysfunction, will lead to the
Conditions Studied
Interventions
- DEVICE low level transcutaneous vagus nerve stimulation
Study Locations (1)
Oklahoma
- University of Oklahoma Health Sciences Center — Oklahoma City
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 52 participants |
| Start Date | 2017-12-12 |
| Est. Completion | 2021-09-30 |
| Phase | NA |
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Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT03327649
The ClinicalTrials.gov registry entry for NCT03327649 describes a study currently listed as completed. It is categorized as NA, which is the standard way researchers label where a study sits along the investigational pathway from early safety work through later efficacy and post-marketing evaluation. The registered enrollment target is 52 participants, a figure that helps gauge the scale of data the investigators plan to collect. The listed sponsor is University of Oklahoma, which has 306 total studies on file at ClinicalTrials.gov, and sponsors are the parties responsible for study design, oversight, and regulatory filings.
The record links to 1 condition, with Heart Failure With Normal Ejection Fraction appearing as the primary indexed condition, and to 1 intervention — of which low level transcutaneous vagus nerve stimulation is the first listed. Interventions can include drugs, devices, procedures, behavioral programs, or observational arms, and each is tracked as a separate registry field so that downstream queries can filter accurately. When a trial lists multiple interventions, it usually reflects a multi-arm design or a comparison protocol rather than a single treatment being tested in isolation. The brief summary published in the registry is the clearest source of protocol intent and should be read before drawing conclusions from any sidebar tags.
Geographic footprint matters for practical reasons: NCT03327649 reports 1 study location spanning 1 distinct geographic area — top geographies include Oklahoma. A larger site network tends to correlate with broader recruitment capacity, but it does not imply anything about study quality, and site-level enrollment status can diverge from the overall registry status shown above. Every data point on this page comes from the public ClinicalTrials.gov dataset and is reproduced here for reference only; it is not a medical recommendation, an endorsement of the sponsor, or an invitation to enroll. Verify current status, eligibility criteria, and contact details directly at ClinicalTrials.gov, and discuss any participation decision with your own healthcare provider.
Frequently Asked Questions
What is clinical trial NCT03327649 about?
NCT03327649 is a clinical study titled "Neuromodulation to Treat Patients With Heart Failure With Preserved Ejection Fraction". Heart failure with preserved ejection fraction (HFpEF) is a leading cause of mortality in the elderly. Outcomes of patients with HFpEF are poor and so far, no treatment has been shown to decrease morbidity or mortality. Recent animal and human studies suggest that a systemic proinflammatory state, p...
What is the current status of trial NCT03327649?
This trial is currently completed. It is a NA study. The enrollment target is 52 participants. The study started on 2017-12-12. Estimated completion is 2021-09-30.
What conditions does trial NCT03327649 study?
This clinical trial studies the following conditions: Heart Failure With Normal Ejection Fraction. These conditions were identified from the trial registry and reflect the primary focus areas of the research.
What interventions are being tested in trial NCT03327649?
The interventions under investigation include: low level transcutaneous vagus nerve stimulation (DEVICE). Each intervention is being evaluated for safety and efficacy as part of this clinical study.
Who is sponsoring clinical trial NCT03327649?
This trial is sponsored by University of Oklahoma, which has 306 total clinical trials registered on ClinicalTrials.gov. The sponsor is responsible for the study's design, funding, and regulatory compliance.
Where is trial NCT03327649 being conducted?
This trial has 1 study location across Oklahoma. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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