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The ANTHEM-HFpEF Study is designed to demonstrate the safety and efficacy of vagus nerve stimulation (VNS) with the Cyberonics VNS Therapy System for the treatment of subjects with symptomatic heart failure with preserved and mid-range ejection fraction.
Heart failure patients will be enrolled and implanted with a cervical VNS system on the right side. After a 2-week post-implantation recovery period and a 10-week stimulation titration period, continuous periodic stimulation will be performed for 12 months, with data collection at 3, 6, 9, and 12 months.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Therapy | Experimental | Right Cervical Vagus Nerve Stimulation (VNS) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Vagus Nerve Stimulation (VNS) | Device | Electrical Stimulation of the Vagus Nerve |
|
| Measure | Description | Time Frame |
|---|---|---|
| Adverse Events | Incidence of procedure and device-related complications | 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Cardiac Size (LAVI) | Left atrial volume index | 12 months |
| Functional Status (6MWD) | 6-minute walk distance | 12 months |
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Inclusion Criteria:
Patients with symptomatic heart failure, New York Heart Association (NYHA) class II/III with preserved and mid-range EF (≥40%).
Exclusion Criteria:
-
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| Name | Affiliation | Role |
|---|---|---|
| Imad Libbus, Ph.D | Cyberonics, Inc. | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Krishna Institute of Medical Science | Secunderabad | India |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 36934987 | Result | Kumar HU, Nearing BD, Mittal S, Premchand RK, Libbus I, DiCarlo LA, Amurthur B, KenKnight BH, Anand IS, Verrier RL. Autonomic regulation therapy in chronic heart failure with preserved/mildly reduced ejection fraction: ANTHEM-HFpEF study results. Int J Cardiol. 2023 Jun 15;381:37-44. doi: 10.1016/j.ijcard.2023.03.030. Epub 2023 Mar 17. |
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| ID | Term |
|---|---|
| D006333 | Heart Failure |
| ID | Term |
|---|---|
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| ID | Term |
|---|---|
| D055536 | Vagus Nerve Stimulation |
| ID | Term |
|---|---|
| D004599 | Electric Stimulation Therapy |
| D013812 | Therapeutics |
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| Quality of Life Score | Minnesota Living with Heart Failure Questionnaire score | 12 months |
| Functional Status (NYHA Class) | New York Heart Association classification | 12 months |
| Cardiac Function (E/E') | Ratio of mitral velocity to early diastolic velocity of the mitral annulus | 12 months |
| Cardiac Size (LV mass index) | Left ventricular mass index | 12 months |
| Autonomic Function (HRV) | Heart rate variability | 12 months |
| Blood Biomarkers | Blood Levels of Heart Failure Biomarkers (NT-proBNP, creatinine, C-reactive protein) | 12 months |